# Ero Copper Intercepts 115 Meters at 0.98% CuEq&\#xB9; in Deepest Hole Drilled to Date at Furnas Copper-Gold Project - Phase 2 Drill Program to be Completed in Early Q4 2025 Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5 Original source: https://money.tmx.com/en/quote/ERO/news/7336831072685594/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat Publisher: tmx Original announcement: 2025-09-18T11:00:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: Ero Copper Corp. - Ticker: ERO - Exchange: TSX - Region: Pará State, Brazil - Primary commodity: Copper - Secondary commodities: Gold - Document categories: Drill results, Resource update - Extracted: 2026-09-13 23:11:24 UTC Narrative sentiment: 0.80 · Bullish ## Minestarters Atlas summary Ero Copper announced strong assay results from its Phase 1 drill program at the Furnas Copper-Gold Project in Brazil, highlighted by the deepest hole to date intersecting 115 meters at 0.98% CuEq, significantly extending mineralization. The results confirm high-grade continuity and support an upcoming updated NI 43-101 compliant mineral resource estimate and preliminary economic assessment. The Phase 2 drill program is also ahead of schedule, with completion expected in early Q4 2025. Reasoning: The drill results show significant high-grade copper-gold intercepts, extending mineralization to record depths and confirming continuity, which is highly material for an exploration project. The program is ahead of schedule, and an updated resource estimate and PEA are planned, indicating strong project advancement. The QA/QC and metal equivalent assumptions are well-disclosed, increasing confidence. - Positive factor: Deepest hole to date extends mineralization significantly down-dip - Positive factor: High-grade intercepts demonstrate continuity within known zones - Positive factor: Drill program ahead of schedule, indicating operational efficiency - Positive factor: Updated NI 43-101 MRE and PEA planned, signaling project advancement - Positive factor: Comprehensive QA/QC program disclosed with certified labs and QP sign-off - Positive factor: Metal equivalent assumptions fully disclosed - Negative factor: No true width disclosed for drill intercepts Low confidence — this extraction should be reviewed alongside the original source. Facts used in scoring: 217 ## Classification and evidence No classification tags are available. ## Extracted facts Stored fact records: 217. Some facts used in scoring do not have a stored record. ## Drill Results (217) ### FURN-DD-00280 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-0) Furnas · copper #### Identity - Hole ID: FURN-DD-00280 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.79 - Grade Unit: % - Intercept: 65 m - From: 458 m - To: 523 m - Hole Depth: 589.8 m - Intercept Depth: 458 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00280:458-523 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Easting: 611953 - Northing: 9346660 - Elevation: 349 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.98 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows a strong copper grade over a good width for an IOCG deposit, contributing positively to the overall resource potential. - Positive factor: Strong copper grade for IOCG deposit - Positive factor: Significant intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.79 Context: 65 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00280 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-1) Furnas · gold #### Identity - Hole ID: FURN-DD-00280 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.4 - Grade Unit: g/t - Intercept: 65 m - From: 458 m - To: 523 m - Hole Depth: 589.8 m - Intercept Depth: 458 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00280:458-523 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Easting: 611953 - Northing: 9346660 - Elevation: 349 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.98 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows a good gold grade over a significant width, adding value to the polymetallic nature of the deposit. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Significant intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.40 Context: 65 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00280 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-2) Furnas · copper #### Identity - Hole ID: FURN-DD-00280 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.85 - Grade Unit: % - Intercept: 32 m - From: 491 m - To: 523 m - Hole Depth: 589.8 m - Intercept Depth: 458 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00280:491-523 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Easting: 611953 - Northing: 9346660 - Elevation: 349 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.11 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a higher-grade copper zone, indicating good internal continuity and potential for higher-grade mining. - Positive factor: Higher copper grade within sub-interval - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.85 Context: 32 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00280 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-3) Furnas · gold #### Identity - Hole ID: FURN-DD-00280 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.54 - Grade Unit: g/t - Intercept: 32 m - From: 491 m - To: 523 m - Hole Depth: 589.8 m - Intercept Depth: 458 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00280:491-523 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Easting: 611953 - Northing: 9346660 - Elevation: 349 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.11 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a higher-grade gold zone, contributing to the overall value of the intercept. - Positive factor: Higher gold grade within sub-interval - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.54 Context: 32 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00281 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-4) Furnas · copper #### Identity - Hole ID: FURN-DD-00281 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.63 - Grade Unit: % - Intercept: 111 m - From: 488 m - To: 599 m - Hole Depth: 704.6 m - Intercept Depth: 488 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00281:488-599 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Easting: 612087 - Northing: 9346657 - Elevation: 348 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.82 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept demonstrates good copper mineralization over a substantial width, contributing to the overall resource potential. - Positive factor: Good copper grade for IOCG deposit - Positive factor: Very significant intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.63 Context: 111 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00281 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-5) Furnas · gold #### Identity - Hole ID: FURN-DD-00281 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.4 - Grade Unit: g/t - Intercept: 111 m - From: 488 m - To: 599 m - Hole Depth: 704.6 m - Intercept Depth: 488 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00281:488-599 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Easting: 612087 - Northing: 9346657 - Elevation: 348 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.82 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows good gold mineralization over a substantial width, adding to the polymetallic nature of the deposit. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Very significant intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.40 Context: 111 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00281 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-6) Furnas · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: FURN-DD-00281 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.81 - Grade Unit: % - Intercept: 20 m - From: 519 m - To: 539 m - Hole Depth: 704.6 m - Intercept Depth: 488 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00281:519-539 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Easting: 612087 - Northing: 9346657 - Elevation: 348 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.11 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a higher-grade copper zone, indicating good internal continuity. - Positive factor: Higher copper grade within sub-interval - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.81 Context: 20 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00281 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-7) Furnas · gold #### Identity - Hole ID: FURN-DD-00281 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.62 - Grade Unit: g/t - Intercept: 20 m - From: 519 m - To: 539 m - Hole Depth: 704.6 m - Intercept Depth: 488 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00281:519-539 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Easting: 612087 - Northing: 9346657 - Elevation: 348 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.11 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a higher-grade gold zone, contributing to the overall value of the intercept. - Positive factor: Higher gold grade within sub-interval - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.62 Context: 20 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00283 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-8) Furnas · copper #### Identity - Hole ID: FURN-DD-00283 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.8 - Grade Unit: % - Intercept: 93 m - From: 429 m - To: 523 m - Hole Depth: 570.3 m - Intercept Depth: 429 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00283:429-523 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612253 - Northing: 9346433 - Elevation: 320 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.95 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows a strong copper grade over a good width, contributing positively to the overall resource potential. - Positive factor: Strong copper grade for IOCG deposit - Positive factor: Significant intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.80 Context: 93 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00283 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-9) Furnas · gold #### Identity - Hole ID: FURN-DD-00283 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.32 - Grade Unit: g/t - Intercept: 93 m - From: 429 m - To: 523 m - Hole Depth: 570.3 m - Intercept Depth: 429 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00283:429-523 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612253 - Northing: 9346433 - Elevation: 320 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.95 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows a good gold grade over a significant width, adding to the polymetallic nature of the deposit. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Significant intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.32 Context: 93 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00283 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-10) Furnas · copper #### Identity - Hole ID: FURN-DD-00283 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.51 - Grade Unit: % - Intercept: 18 m - From: 429 m - To: 447 m - Hole Depth: 570.3 m - Intercept Depth: 429 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00283:429-447 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612253 - Northing: 9346433 - Elevation: 320 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.73 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows an exceptional copper grade, indicating a very high-grade zone within the broader intercept. - Positive factor: Exceptional copper grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 1.51 Context: 18 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00283 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-11) Furnas · gold #### Identity - Hole ID: FURN-DD-00283 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.46 - Grade Unit: g/t - Intercept: 18 m - From: 429 m - To: 447 m - Hole Depth: 570.3 m - Intercept Depth: 429 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00283:429-447 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612253 - Northing: 9346433 - Elevation: 320 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.73 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a good gold grade, contributing to the overall value of the intercept. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.46 Context: 18 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00283 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-12) Furnas · copper #### Identity - Hole ID: FURN-DD-00283 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.33 - Grade Unit: % - Intercept: 23 m - From: 489 m - To: 512 m - Hole Depth: 570.3 m - Intercept Depth: 429 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00283:489-512 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612253 - Northing: 9346433 - Elevation: 320 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.67 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows an exceptional copper grade, indicating a very high-grade zone within the broader intercept. - Positive factor: Exceptional copper grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 1.33 Context: 23 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00283 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-13) Furnas · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: FURN-DD-00283 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.71 - Grade Unit: g/t - Intercept: 23 m - From: 489 m - To: 512 m - Hole Depth: 570.3 m - Intercept Depth: 429 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00283:489-512 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612253 - Northing: 9346433 - Elevation: 320 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.67 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a good gold grade, contributing to the overall value of the intercept. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.71 Context: 23 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00291 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-14) Furnas · copper #### Identity - Hole ID: FURN-DD-00291 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.5 - Grade Unit: % - Intercept: 97 m - From: 174 m - To: 271 m - Hole Depth: 338.2 m - Intercept Depth: 174 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00291:174-271 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611445 - Northing: 9346438 - Elevation: 458 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.62 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows moderate copper mineralization over a substantial width, contributing to the overall resource potential. - Positive factor: Moderate copper grade for IOCG deposit - Positive factor: Significant intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.50 Context: 97 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00291 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-15) Furnas · gold #### Identity - Hole ID: FURN-DD-00291 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.25 - Grade Unit: g/t - Intercept: 97 m - From: 174 m - To: 271 m - Hole Depth: 338.2 m - Intercept Depth: 174 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00291:174-271 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611445 - Northing: 9346438 - Elevation: 458 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.62 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows moderate gold mineralization over a substantial width, adding to the polymetallic nature of the deposit. - Positive factor: Moderate gold grade for IOCG deposit - Positive factor: Significant intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.25 Context: 97 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00291 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-16) Furnas · copper #### Identity - Hole ID: FURN-DD-00291 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.93 - Grade Unit: % - Intercept: 17 m - From: 174 m - To: 190 m - Hole Depth: 338.2 m - Intercept Depth: 174 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00291:174-190 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611445 - Northing: 9346438 - Elevation: 458 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.1 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a strong copper grade, indicating a higher-grade zone within the broader intercept. - Positive factor: Strong copper grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.93 Context: 17 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00291 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-17) Furnas · gold #### Identity - Hole ID: FURN-DD-00291 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.35 - Grade Unit: g/t - Intercept: 17 m - From: 174 m - To: 190 m - Hole Depth: 338.2 m - Intercept Depth: 174 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00291:174-190 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611445 - Northing: 9346438 - Elevation: 458 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.1 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a good gold grade, contributing to the overall value of the intercept. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.35 Context: 17 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00291 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-18) Furnas · copper #### Identity - Hole ID: FURN-DD-00291 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.75 - Grade Unit: % - Intercept: 19 m - From: 252 m - To: 271 m - Hole Depth: 338.2 m - Intercept Depth: 174 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00291:252-271 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611445 - Northing: 9346438 - Elevation: 458 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.94 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a strong copper grade, indicating a higher-grade zone within the broader intercept. - Positive factor: Strong copper grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.75 Context: 19 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00291 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-19) Furnas · gold #### Identity - Hole ID: FURN-DD-00291 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.39 - Grade Unit: g/t - Intercept: 19 m - From: 252 m - To: 271 m - Hole Depth: 338.2 m - Intercept Depth: 174 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00291:252-271 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611445 - Northing: 9346438 - Elevation: 458 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.94 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a good gold grade, contributing to the overall value of the intercept. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.39 Context: 19 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00292 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-20) Furnas · copper #### Identity - Hole ID: FURN-DD-00292 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.57 - Grade Unit: % - Intercept: 52 m - From: 196 m - To: 248 m - Hole Depth: 374.8 m - Intercept Depth: 196 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00292:196-248 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611303 - Northing: 9346600 - Elevation: 413 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.84 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows moderate copper mineralization over a good width, contributing to the overall resource potential. - Positive factor: Moderate copper grade for IOCG deposit - Positive factor: Good intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.57 Context: 52 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00292 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-21) Furnas · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: FURN-DD-00292 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.56 - Grade Unit: g/t - Intercept: 52 m - From: 196 m - To: 248 m - Hole Depth: 374.8 m - Intercept Depth: 196 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00292:196-248 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611303 - Northing: 9346600 - Elevation: 413 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.84 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows a good gold grade over a good width, adding to the polymetallic nature of the deposit. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Good intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.56 Context: 52 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00292 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-22) Furnas · copper #### Identity - Hole ID: FURN-DD-00292 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.59 - Grade Unit: % - Intercept: 36 m - From: 212 m - To: 248 m - Hole Depth: 374.8 m - Intercept Depth: 196 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00292:212-248 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611303 - Northing: 9346600 - Elevation: 413 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.91 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows moderate copper mineralization over a good width, contributing to the overall resource potential. - Positive factor: Moderate copper grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.59 Context: 36 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00292 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-23) Furnas · gold #### Identity - Hole ID: FURN-DD-00292 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.68 - Grade Unit: g/t - Intercept: 36 m - From: 212 m - To: 248 m - Hole Depth: 374.8 m - Intercept Depth: 196 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00292:212-248 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611303 - Northing: 9346600 - Elevation: 413 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.91 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a good gold grade over a good width, adding to the polymetallic nature of the deposit. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.68 Context: 36 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00292 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-24) Furnas · copper #### Identity - Hole ID: FURN-DD-00292 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.63 - Grade Unit: % - Intercept: 13 m - From: 235 m - To: 248 m - Hole Depth: 374.8 m - Intercept Depth: 196 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00292:235-248 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611303 - Northing: 9346600 - Elevation: 413 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.08 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a good copper grade, contributing to the overall resource potential. - Positive factor: Good copper grade for IOCG deposit - Positive factor: Moderate intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.63 Context: 13 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00292 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-25) Furnas · gold #### Identity - Hole ID: FURN-DD-00292 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.95 - Grade Unit: g/t - Intercept: 13 m - From: 235 m - To: 248 m - Hole Depth: 374.8 m - Intercept Depth: 196 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00292:235-248 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611303 - Northing: 9346600 - Elevation: 413 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.08 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a strong gold grade, contributing significantly to the overall value of the intercept. - Positive factor: Strong gold grade for IOCG deposit - Positive factor: Moderate intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.95 Context: 13 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00294 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-26) Furnas · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: FURN-DD-00294 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.56 - Grade Unit: % - Intercept: 83 m - From: 556 m - To: 639 m - Hole Depth: 682.5 m - Intercept Depth: 556 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00294:556-639 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612029 - Northing: 9346785 - Elevation: 312 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.75 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows moderate copper mineralization over a substantial width, contributing to the overall resource potential. - Positive factor: Moderate copper grade for IOCG deposit - Positive factor: Significant intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.56 Context: 83 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00294 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-27) Furnas · gold #### Identity - Hole ID: FURN-DD-00294 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.39 - Grade Unit: g/t - Intercept: 83 m - From: 556 m - To: 639 m - Hole Depth: 682.5 m - Intercept Depth: 556 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00294:556-639 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612029 - Northing: 9346785 - Elevation: 312 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.75 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows good gold mineralization over a substantial width, adding to the polymetallic nature of the deposit. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Significant intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.39 Context: 83 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00294 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-28) Furnas · copper #### Identity - Hole ID: FURN-DD-00294 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.63 - Grade Unit: % - Intercept: 47 m - From: 570 m - To: 617 m - Hole Depth: 682.5 m - Intercept Depth: 556 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00294:570-617 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612029 - Northing: 9346785 - Elevation: 312 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.85 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a good copper grade, indicating internal continuity and potential for higher-grade mining. - Positive factor: Good copper grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.63 Context: 47 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00294 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-29) Furnas · gold #### Identity - Hole ID: FURN-DD-00294 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.46 - Grade Unit: g/t - Intercept: 47 m - From: 570 m - To: 617 m - Hole Depth: 682.5 m - Intercept Depth: 556 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00294:570-617 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612029 - Northing: 9346785 - Elevation: 312 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.85 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a good gold grade, contributing to the overall value of the intercept. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.46 Context: 47 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00296 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-30) Furnas · copper #### Identity - Hole ID: FURN-DD-00296 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.42 - Grade Unit: % - Intercept: 81 m - From: 119 m - To: 200 m - Hole Depth: 315.1 m - Intercept Depth: 119 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00296:119-200 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611983 - Northing: 9346211 - Elevation: 427 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.48 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows moderate copper mineralization over a substantial width, contributing to the overall resource potential. - Positive factor: Moderate copper grade for IOCG deposit - Positive factor: Significant intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.42 Context: 81 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00296 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-31) Furnas · gold #### Identity - Hole ID: FURN-DD-00296 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.13 - Grade Unit: g/t - Intercept: 81 m - From: 119 m - To: 200 m - Hole Depth: 315.1 m - Intercept Depth: 119 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00296:119-200 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611983 - Northing: 9346211 - Elevation: 427 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.48 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows moderate gold mineralization over a substantial width, adding to the polymetallic nature of the deposit. - Positive factor: Moderate gold grade for IOCG deposit - Positive factor: Significant intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.13 Context: 81 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00296 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-32) Furnas · copper #### Identity - Hole ID: FURN-DD-00296 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.89 - Grade Unit: % - Intercept: 18 m - From: 182 m - To: 200 m - Hole Depth: 315.1 m - Intercept Depth: 119 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00296:182-200 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611983 - Northing: 9346211 - Elevation: 427 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a strong copper grade, indicating a higher-grade zone within the broader intercept. - Positive factor: Strong copper grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.89 Context: 18 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00296 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-33) Furnas · gold #### Identity - Hole ID: FURN-DD-00296 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.23 - Grade Unit: g/t - Intercept: 18 m - From: 182 m - To: 200 m - Hole Depth: 315.1 m - Intercept Depth: 119 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00296:182-200 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611983 - Northing: 9346211 - Elevation: 427 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a moderate gold grade, contributing to the overall value of the intercept. - Positive factor: Moderate gold grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.23 Context: 18 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00297 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-34) Furnas · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: FURN-DD-00297 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.91 - Grade Unit: % - Intercept: 92 m - From: 297 m - To: 389 m - Hole Depth: 481.8 m - Intercept Depth: 297 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00297:297-389 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611992 - Northing: 9346337 - Elevation: 421 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.22 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows a strong copper grade over a significant width, contributing positively to the overall resource potential. - Positive factor: Strong copper grade for IOCG deposit - Positive factor: Significant intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.91 Context: 92 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00297 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-35) Furnas · gold #### Identity - Hole ID: FURN-DD-00297 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.65 - Grade Unit: g/t - Intercept: 92 m - From: 297 m - To: 389 m - Hole Depth: 481.8 m - Intercept Depth: 297 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00297:297-389 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611992 - Northing: 9346337 - Elevation: 421 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.22 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows a good gold grade over a significant width, adding to the polymetallic nature of the deposit. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Significant intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.65 Context: 92 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00297 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-36) Furnas · copper #### Identity - Hole ID: FURN-DD-00297 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.04 - Grade Unit: % - Intercept: 47 m - From: 297 m - To: 344 m - Hole Depth: 481.8 m - Intercept Depth: 297 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00297:297-344 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611992 - Northing: 9346337 - Elevation: 421 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.18 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows an exceptional copper grade, indicating a very high-grade zone within the broader intercept. - Positive factor: Exceptional copper grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 1.04 Context: 47 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00297 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-37) Furnas · gold #### Identity - Hole ID: FURN-DD-00297 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.3 - Grade Unit: g/t - Intercept: 47 m - From: 297 m - To: 344 m - Hole Depth: 481.8 m - Intercept Depth: 297 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00297:297-344 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611992 - Northing: 9346337 - Elevation: 421 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.18 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a good gold grade, contributing to the overall value of the intercept. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.30 Context: 47 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00297 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-38) Furnas · copper #### Identity - Hole ID: FURN-DD-00297 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.1 - Grade Unit: % - Intercept: 30 m - From: 359 m - To: 389 m - Hole Depth: 481.8 m - Intercept Depth: 297 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00297:359-389 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611992 - Northing: 9346337 - Elevation: 421 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.81 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows an exceptional copper grade, indicating a very high-grade zone within the broader intercept. - Positive factor: Exceptional copper grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 1.10 Context: 30 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00297 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-39) Furnas · gold #### Identity - Hole ID: FURN-DD-00297 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.48 - Grade Unit: g/t - Intercept: 30 m - From: 359 m - To: 389 m - Hole Depth: 481.8 m - Intercept Depth: 297 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00297:359-389 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611992 - Northing: 9346337 - Elevation: 421 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.81 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a strong gold grade, contributing significantly to the overall value of the intercept. - Positive factor: Strong gold grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 1.48 Context: 30 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00298 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-40) Furnas · copper #### Identity - Hole ID: FURN-DD-00298 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.9 - Grade Unit: % - Intercept: 94 m - From: 329 m - To: 423 m - Hole Depth: 481.6 m - Intercept Depth: 329 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00298:329-423 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611961 - Northing: 9346397 - Elevation: 415 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.17 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows a strong copper grade over a significant width, contributing positively to the overall resource potential. - Positive factor: Strong copper grade for IOCG deposit - Positive factor: Significant intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.90 Context: 94 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00298 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-41) Furnas · gold #### Identity - Hole ID: FURN-DD-00298 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.57 - Grade Unit: g/t - Intercept: 94 m - From: 329 m - To: 423 m - Hole Depth: 481.6 m - Intercept Depth: 329 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00298:329-423 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611961 - Northing: 9346397 - Elevation: 415 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.17 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows a good gold grade over a significant width, adding to the polymetallic nature of the deposit. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Significant intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.57 Context: 94 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00298 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-42) Furnas · copper #### Identity - Hole ID: FURN-DD-00298 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.34 - Grade Unit: % - Intercept: 26 m - From: 353 m - To: 379 m - Hole Depth: 481.6 m - Intercept Depth: 329 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00298:353-379 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611961 - Northing: 9346397 - Elevation: 415 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.64 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows an exceptional copper grade, indicating a very high-grade zone within the broader intercept. - Positive factor: Exceptional copper grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 1.34 Context: 26 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00298 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-43) Furnas · gold #### Identity - Hole ID: FURN-DD-00298 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.63 - Grade Unit: g/t - Intercept: 26 m - From: 353 m - To: 379 m - Hole Depth: 481.6 m - Intercept Depth: 329 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00298:353-379 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611961 - Northing: 9346397 - Elevation: 415 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.64 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a good gold grade, contributing to the overall value of the intercept. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.63 Context: 26 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00298 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-44) Furnas · copper #### Identity - Hole ID: FURN-DD-00298 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.99 - Grade Unit: % - Intercept: 22 m - From: 399 m - To: 421 m - Hole Depth: 481.6 m - Intercept Depth: 329 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00298:399-421 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611961 - Northing: 9346397 - Elevation: 415 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.46 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a strong copper grade, indicating a higher-grade zone within the broader intercept. - Positive factor: Strong copper grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.99 Context: 22 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00298 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-45) Furnas · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: FURN-DD-00298 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.98 - Grade Unit: g/t - Intercept: 22 m - From: 399 m - To: 421 m - Hole Depth: 481.6 m - Intercept Depth: 329 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00298:399-421 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611961 - Northing: 9346397 - Elevation: 415 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.46 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a strong gold grade, contributing significantly to the overall value of the intercept. - Positive factor: Strong gold grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.98 Context: 22 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00299 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-46) Furnas · copper #### Identity - Hole ID: FURN-DD-00299 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.76 - Grade Unit: % - Intercept: 62 m - From: 422 m - To: 483 m - Hole Depth: 568.5 m - Intercept Depth: 422 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00299:422-483 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612465 - Northing: 9346176 - Elevation: 321 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.03 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows a strong copper grade over a good width, contributing positively to the overall resource potential. - Positive factor: Strong copper grade for IOCG deposit - Positive factor: Good intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.76 Context: 62 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00299 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-47) Furnas · gold #### Identity - Hole ID: FURN-DD-00299 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.57 - Grade Unit: g/t - Intercept: 62 m - From: 422 m - To: 483 m - Hole Depth: 568.5 m - Intercept Depth: 422 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00299:422-483 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612465 - Northing: 9346176 - Elevation: 321 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.03 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows a good gold grade over a good width, adding to the polymetallic nature of the deposit. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Good intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.57 Context: 62 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00299 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-48) Furnas · copper #### Identity - Hole ID: FURN-DD-00299 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.92 - Grade Unit: % - Intercept: 16 m - From: 444 m - To: 460 m - Hole Depth: 568.5 m - Intercept Depth: 422 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00299:444-460 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612465 - Northing: 9346176 - Elevation: 321 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.42 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a strong copper grade, indicating a higher-grade zone within the broader intercept. - Positive factor: Strong copper grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.92 Context: 16 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00299 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-49) Furnas · gold #### Identity - Hole ID: FURN-DD-00299 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.05 - Grade Unit: g/t - Intercept: 16 m - From: 444 m - To: 460 m - Hole Depth: 568.5 m - Intercept Depth: 422 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00299:444-460 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612465 - Northing: 9346176 - Elevation: 321 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.42 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a strong gold grade, contributing significantly to the overall value of the intercept. - Positive factor: Strong gold grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 1.05 Context: 16 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00302 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-50) Furnas · copper #### Identity - Hole ID: FURN-DD-00302 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.74 - Grade Unit: % - Intercept: 51 m - From: 315 m - To: 366 m - Hole Depth: 426.2 m - Intercept Depth: 315 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00302:315-366 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612290 - Northing: 9346132 - Elevation: 367 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.92 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows a strong copper grade over a good width, contributing positively to the overall resource potential. - Positive factor: Strong copper grade for IOCG deposit - Positive factor: Good intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.74 Context: 51 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00302 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-51) Furnas · gold #### Identity - Hole ID: FURN-DD-00302 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.38 - Grade Unit: g/t - Intercept: 51 m - From: 315 m - To: 366 m - Hole Depth: 426.2 m - Intercept Depth: 315 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00302:315-366 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612290 - Northing: 9346132 - Elevation: 367 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.92 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows a good gold grade over a good width, adding to the polymetallic nature of the deposit. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Good intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.38 Context: 51 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00302 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-52) Furnas · copper #### Identity - Hole ID: FURN-DD-00302 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.97 - Grade Unit: % - Intercept: 27 m - From: 334 m - To: 361 m - Hole Depth: 426.2 m - Intercept Depth: 315 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00302:334-361 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612290 - Northing: 9346132 - Elevation: 367 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.17 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a strong copper grade, indicating a higher-grade zone within the broader intercept. - Positive factor: Strong copper grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.97 Context: 27 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00302 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-53) Furnas · gold #### Identity - Hole ID: FURN-DD-00302 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.42 - Grade Unit: g/t - Intercept: 27 m - From: 334 m - To: 361 m - Hole Depth: 426.2 m - Intercept Depth: 315 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00302:334-361 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612290 - Northing: 9346132 - Elevation: 367 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.17 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a good gold grade, contributing to the overall value of the intercept. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.42 Context: 27 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00303 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-54) Furnas · copper #### Identity - Hole ID: FURN-DD-00303 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.31 - Grade Unit: % - Intercept: 46 m - From: 243 m - To: 289 m - Hole Depth: 400.4 m - Intercept Depth: 243 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00303:243-289 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612017 - Northing: 9346258 - Elevation: 414 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.52 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows an exceptional copper grade over a good width, contributing positively to the overall resource potential. - Positive factor: Exceptional copper grade for IOCG deposit - Positive factor: Good intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 1.31 Context: 46 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00303 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-55) Furnas · gold #### Identity - Hole ID: FURN-DD-00303 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.44 - Grade Unit: g/t - Intercept: 46 m - From: 243 m - To: 289 m - Hole Depth: 400.4 m - Intercept Depth: 243 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00303:243-289 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612017 - Northing: 9346258 - Elevation: 414 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.52 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows a good gold grade over a good width, adding to the polymetallic nature of the deposit. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Good intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.44 Context: 46 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00303 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-56) Furnas · copper #### Identity - Hole ID: FURN-DD-00303 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.67 - Grade Unit: % - Intercept: 29 m - From: 260 m - To: 289 m - Hole Depth: 400.4 m - Intercept Depth: 243 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00303:260-289 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612017 - Northing: 9346258 - Elevation: 414 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.91 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows an exceptional copper grade, indicating a very high-grade zone within the broader intercept. - Positive factor: Exceptional copper grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 1.67 Context: 29 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00303 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-57) Furnas · gold #### Identity - Hole ID: FURN-DD-00303 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.5 - Grade Unit: g/t - Intercept: 29 m - From: 260 m - To: 289 m - Hole Depth: 400.4 m - Intercept Depth: 243 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00303:260-289 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612017 - Northing: 9346258 - Elevation: 414 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.91 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a good gold grade, contributing to the overall value of the intercept. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.50 Context: 29 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00304 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-58) Furnas · copper #### Identity - Hole ID: FURN-DD-00304 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.95 - Grade Unit: % - Intercept: 74 m - From: 370 m - To: 444 m - Hole Depth: 501 m - Intercept Depth: 370 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00304:370-444 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612139 - Northing: 9346428 - Elevation: 345 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.45 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows a strong copper grade over a significant width, contributing positively to the overall resource potential. - Positive factor: Strong copper grade for IOCG deposit - Positive factor: Significant intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.95 Context: 74 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00304 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-59) Furnas · gold #### Identity - Hole ID: FURN-DD-00304 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.04 - Grade Unit: g/t - Intercept: 74 m - From: 370 m - To: 444 m - Hole Depth: 501 m - Intercept Depth: 370 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00304:370-444 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612139 - Northing: 9346428 - Elevation: 345 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.45 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows a strong gold grade over a significant width, adding to the polymetallic nature of the deposit. - Positive factor: Strong gold grade for IOCG deposit - Positive factor: Significant intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 1.04 Context: 74 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00304 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-60) Furnas · copper #### Identity - Hole ID: FURN-DD-00304 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1 - Grade Unit: % - Intercept: 50 m - From: 391 m - To: 441 m - Hole Depth: 501 m - Intercept Depth: 370 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00304:391-441 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612139 - Northing: 9346428 - Elevation: 345 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.67 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows an exceptional copper grade, indicating a very high-grade zone within the broader intercept. - Positive factor: Exceptional copper grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 1.00 Context: 50 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00304 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-61) Furnas · gold #### Identity - Hole ID: FURN-DD-00304 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.4 - Grade Unit: g/t - Intercept: 50 m - From: 391 m - To: 441 m - Hole Depth: 501 m - Intercept Depth: 370 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00304:391-441 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612139 - Northing: 9346428 - Elevation: 345 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.67 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a strong gold grade, contributing significantly to the overall value of the intercept. - Positive factor: Strong gold grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 1.40 Context: 50 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00305 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-62) Furnas · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: FURN-DD-00305 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.88 - Grade Unit: % - Intercept: 103 m - From: 352 m - To: 455 m - Hole Depth: 651.8 m - Intercept Depth: 352 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00305:352-455 - Mining Method: open\_pit #### Location - Location: Southeast Zone - Easting: 612193 - Northing: 9346401 - Elevation: 337 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.26 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows strong copper mineralization over a significant width, demonstrating continuity and supporting resource conversion, which is highly positive. - Positive factor: Strong copper grade for IOCG deposit - Positive factor: Significant intercept length - Positive factor: Demonstrates continuity of known mineralization - Positive factor: Supports resource conversion - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.88 Context: 103 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00305 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-63) Furnas · gold #### Identity - Hole ID: FURN-DD-00305 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.8 - Grade Unit: g/t - Intercept: 103 m - From: 352 m - To: 455 m - Hole Depth: 651.8 m - Intercept Depth: 352 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00305:352-455 - Mining Method: open\_pit #### Location - Location: Southeast Zone - Easting: 612193 - Northing: 9346401 - Elevation: 337 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.26 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows strong gold mineralization over a significant width, demonstrating continuity and supporting resource conversion, which is highly positive. - Positive factor: Strong gold grade for IOCG deposit - Positive factor: Significant intercept length - Positive factor: Demonstrates continuity of known mineralization - Positive factor: Supports resource conversion - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.80 Context: 103 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00305 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-64) Furnas · copper #### Identity - Hole ID: FURN-DD-00305 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.04 - Grade Unit: % - Intercept: 27 m - From: 408 m - To: 435 m - Hole Depth: 651.8 m - Intercept Depth: 352 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00305:408-435 - Mining Method: open\_pit #### Location - Location: Southeast Zone - Easting: 612193 - Northing: 9346401 - Elevation: 337 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.6 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows an exceptional copper grade, indicating a very high-grade zone within the broader intercept, further supporting resource conversion. - Positive factor: Exceptional copper grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Demonstrates continuity of known mineralization - Positive factor: Supports resource conversion - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 1.04 Context: 27 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00305 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-65) Furnas · gold #### Identity - Hole ID: FURN-DD-00305 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.18 - Grade Unit: g/t - Intercept: 27 m - From: 408 m - To: 435 m - Hole Depth: 651.8 m - Intercept Depth: 352 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00305:408-435 - Mining Method: open\_pit #### Location - Location: Southeast Zone - Easting: 612193 - Northing: 9346401 - Elevation: 337 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.6 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a strong gold grade, contributing significantly to the overall value of the intercept and supporting resource conversion. - Positive factor: Strong gold grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Demonstrates continuity of known mineralization - Positive factor: Supports resource conversion - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 1.18 Context: 27 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00307 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-66) Furnas · copper #### Identity - Hole ID: FURN-DD-00307 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.69 - Grade Unit: % - Intercept: 20 m - From: 290 m - To: 310 m - Hole Depth: 497.7 m - Intercept Depth: 290 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00307:290-310 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612226 - Northing: 9346267 - Elevation: 333 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.79 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows good copper mineralization over a good width, contributing to the overall resource potential. - Positive factor: Good copper grade for IOCG deposit - Positive factor: Good intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.69 Context: 20 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00307 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-67) Furnas · gold #### Identity - Hole ID: FURN-DD-00307 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.2 - Grade Unit: g/t - Intercept: 20 m - From: 290 m - To: 310 m - Hole Depth: 497.7 m - Intercept Depth: 290 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00307:290-310 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612226 - Northing: 9346267 - Elevation: 333 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.79 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows moderate gold mineralization over a good width, adding to the polymetallic nature of the deposit. - Positive factor: Moderate gold grade for IOCG deposit - Positive factor: Good intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.20 Context: 20 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00307 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-68) Furnas · copper #### Identity - Hole ID: FURN-DD-00307 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.63 - Grade Unit: % - Intercept: 52 m - From: 355 m - To: 407 m - Hole Depth: 497.7 m - Intercept Depth: 290 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00307:355-407 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612226 - Northing: 9346267 - Elevation: 333 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.8 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows good copper mineralization over a good width, contributing to the overall resource potential. - Positive factor: Good copper grade for IOCG deposit - Positive factor: Good intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.63 Context: 52 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00307 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-69) Furnas · gold #### Identity - Hole ID: FURN-DD-00307 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.35 - Grade Unit: g/t - Intercept: 52 m - From: 355 m - To: 407 m - Hole Depth: 497.7 m - Intercept Depth: 290 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00307:355-407 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612226 - Northing: 9346267 - Elevation: 333 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.8 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows good gold mineralization over a good width, adding to the polymetallic nature of the deposit. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Good intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.35 Context: 52 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00309 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-70) Furnas · copper #### Identity - Hole ID: FURN-DD-00309 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.28 - Grade Unit: % - Intercept: 56 m - From: 91 m - To: 147 m - Hole Depth: 305.2 m - Intercept Depth: 91 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00309:91-147 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612029 - Northing: 9346106 - Elevation: 417 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.39 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows an exceptional copper grade over a good width, contributing positively to the overall resource potential. - Positive factor: Exceptional copper grade for IOCG deposit - Positive factor: Good intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 1.28 Context: 56 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00309 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-71) Furnas · gold #### Identity - Hole ID: FURN-DD-00309 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.24 - Grade Unit: g/t - Intercept: 56 m - From: 91 m - To: 147 m - Hole Depth: 305.2 m - Intercept Depth: 91 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00309:91-147 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612029 - Northing: 9346106 - Elevation: 417 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.39 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows moderate gold mineralization over a good width, adding to the polymetallic nature of the deposit. - Positive factor: Moderate gold grade for IOCG deposit - Positive factor: Good intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.24 Context: 56 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00309 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-72) Furnas · copper #### Identity - Hole ID: FURN-DD-00309 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.86 - Grade Unit: % - Intercept: 23 m - From: 116 m - To: 139 m - Hole Depth: 305.2 m - Intercept Depth: 91 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00309:116-139 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612029 - Northing: 9346106 - Elevation: 417 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 2.01 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows an exceptional copper grade, indicating a very high-grade zone within the broader intercept. - Positive factor: Exceptional copper grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 1.86 Context: 23 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00309 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-73) Furnas · gold #### Identity - Hole ID: FURN-DD-00309 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.31 - Grade Unit: g/t - Intercept: 23 m - From: 116 m - To: 139 m - Hole Depth: 305.2 m - Intercept Depth: 91 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00309:116-139 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612029 - Northing: 9346106 - Elevation: 417 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 2.01 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a good gold grade, contributing to the overall value of the intercept. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.31 Context: 23 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00310 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-74) Furnas · copper #### Identity - Hole ID: FURN-DD-00310 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.8 - Grade Unit: % - Intercept: 29 m - From: 121 m - To: 150 m - Hole Depth: 214.7 m - Intercept Depth: 121 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00310:121-150 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612213 - Northing: 9345972 - Elevation: 407 m - Azimuth: 200 ° - Dip: 55 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.97 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows a strong copper grade over a good width, contributing positively to the overall resource potential. - Positive factor: Strong copper grade for IOCG deposit - Positive factor: Good intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.80 Context: 29 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00310 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-75) Furnas · gold #### Identity - Hole ID: FURN-DD-00310 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.36 - Grade Unit: g/t - Intercept: 29 m - From: 121 m - To: 150 m - Hole Depth: 214.7 m - Intercept Depth: 121 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00310:121-150 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612213 - Northing: 9345972 - Elevation: 407 m - Azimuth: 200 ° - Dip: 55 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.97 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows a good gold grade over a good width, adding to the polymetallic nature of the deposit. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Good intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.36 Context: 29 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00311 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-76) Furnas · copper #### Identity - Hole ID: FURN-DD-00311 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.74 - Grade Unit: % - Intercept: 63 m - From: 356 m - To: 419 m - Hole Depth: 464 m - Intercept Depth: 356 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00311:356-419 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612324 - Northing: 9346226 - Elevation: 333 m - Azimuth: 200 ° - Dip: 55 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.95 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows a strong copper grade over a good width, contributing positively to the overall resource potential. - Positive factor: Strong copper grade for IOCG deposit - Positive factor: Good intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.74 Context: 63 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00311 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-77) Furnas · gold #### Identity - Hole ID: FURN-DD-00311 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.45 - Grade Unit: g/t - Intercept: 63 m - From: 356 m - To: 419 m - Hole Depth: 464 m - Intercept Depth: 356 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00311:356-419 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612324 - Northing: 9346226 - Elevation: 333 m - Azimuth: 200 ° - Dip: 55 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.95 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows a good gold grade over a good width, adding to the polymetallic nature of the deposit. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Good intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.45 Context: 63 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00311 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-78) Furnas · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: FURN-DD-00311 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.88 - Grade Unit: % - Intercept: 28 m - From: 361 m - To: 389 m - Hole Depth: 464 m - Intercept Depth: 356 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00311:361-389 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612324 - Northing: 9346226 - Elevation: 333 m - Azimuth: 200 ° - Dip: 55 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.13 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a strong copper grade, indicating a higher-grade zone within the broader intercept. - Positive factor: Strong copper grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.88 Context: 28 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00311 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-79) Furnas · gold #### Identity - Hole ID: FURN-DD-00311 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.53 - Grade Unit: g/t - Intercept: 28 m - From: 361 m - To: 389 m - Hole Depth: 464 m - Intercept Depth: 356 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00311:361-389 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612324 - Northing: 9346226 - Elevation: 333 m - Azimuth: 200 ° - Dip: 55 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.13 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a good gold grade, contributing to the overall value of the intercept. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.53 Context: 28 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00313 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-80) Furnas · copper #### Identity - Hole ID: FURN-DD-00313 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.61 - Grade Unit: % - Intercept: 85 m - From: 279 m - To: 364 m - Hole Depth: 415.5 m - Intercept Depth: 279 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00313:279-364 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612226 - Northing: 9346267 - Elevation: 333 m - Azimuth: 200 ° - Dip: 50 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.8 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows good copper mineralization over a substantial width, contributing to the overall resource potential. - Positive factor: Good copper grade for IOCG deposit - Positive factor: Significant intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.61 Context: 85 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00313 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-81) Furnas · gold #### Identity - Hole ID: FURN-DD-00313 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.4 - Grade Unit: g/t - Intercept: 85 m - From: 279 m - To: 364 m - Hole Depth: 415.5 m - Intercept Depth: 279 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00313:279-364 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612226 - Northing: 9346267 - Elevation: 333 m - Azimuth: 200 ° - Dip: 50 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.8 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows good gold mineralization over a substantial width, adding to the polymetallic nature of the deposit. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Significant intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.40 Context: 85 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00314 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-82) Furnas · copper #### Identity - Hole ID: FURN-DD-00314 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.72 - Grade Unit: % - Intercept: 54 m - From: 113 m - To: 167 m - Hole Depth: 254.5 m - Intercept Depth: 113 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00314:113-167 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611886 - Northing: 9346193 - Elevation: 461 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.92 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows a strong copper grade over a good width, contributing positively to the overall resource potential. - Positive factor: Strong copper grade for IOCG deposit - Positive factor: Good intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.72 Context: 54 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00314 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-83) Furnas · gold #### Identity - Hole ID: FURN-DD-00314 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.42 - Grade Unit: g/t - Intercept: 54 m - From: 113 m - To: 167 m - Hole Depth: 254.5 m - Intercept Depth: 113 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00314:113-167 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611886 - Northing: 9346193 - Elevation: 461 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.92 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows a good gold grade over a good width, adding to the polymetallic nature of the deposit. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Good intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.42 Context: 54 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00314 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-84) Furnas · copper #### Identity - Hole ID: FURN-DD-00314 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.22 - Grade Unit: % - Intercept: 18 m - From: 149 m - To: 167 m - Hole Depth: 254.5 m - Intercept Depth: 113 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00314:149-167 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611886 - Northing: 9346193 - Elevation: 461 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.6 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows an exceptional copper grade, indicating a very high-grade zone within the broader intercept. - Positive factor: Exceptional copper grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 1.22 Context: 18 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00314 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-85) Furnas · gold #### Identity - Hole ID: FURN-DD-00314 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.79 - Grade Unit: g/t - Intercept: 18 m - From: 149 m - To: 167 m - Hole Depth: 254.5 m - Intercept Depth: 113 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00314:149-167 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 611886 - Northing: 9346193 - Elevation: 461 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.6 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a strong gold grade, contributing significantly to the overall value of the intercept. - Positive factor: Strong gold grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.79 Context: 18 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00316 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-86) Furnas · copper #### Identity - Hole ID: FURN-DD-00316 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.67 - Grade Unit: % - Intercept: 100 m - From: 492 m - To: 592 m - Hole Depth: 646 m - Intercept Depth: 492 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00316:492-592 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612269 - Northing: 9346512 - Elevation: 322 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.84 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows good copper mineralization over a substantial width, contributing to the overall resource potential. - Positive factor: Good copper grade for IOCG deposit - Positive factor: Significant intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.67 Context: 100 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00316 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-87) Furnas · gold #### Identity - Hole ID: FURN-DD-00316 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.36 - Grade Unit: g/t - Intercept: 100 m - From: 492 m - To: 592 m - Hole Depth: 646 m - Intercept Depth: 492 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00316:492-592 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612269 - Northing: 9346512 - Elevation: 322 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.84 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows good gold mineralization over a substantial width, adding to the polymetallic nature of the deposit. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Significant intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.36 Context: 100 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00316 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-88) Furnas · copper #### Identity - Hole ID: FURN-DD-00316 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.74 - Grade Unit: % - Intercept: 38 m - From: 540 m - To: 578 m - Hole Depth: 646 m - Intercept Depth: 492 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00316:540-578 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612269 - Northing: 9346512 - Elevation: 322 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.06 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a strong copper grade, indicating a higher-grade zone within the broader intercept. - Positive factor: Strong copper grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.74 Context: 38 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00316 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-89) Furnas · gold #### Identity - Hole ID: FURN-DD-00316 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.67 - Grade Unit: g/t - Intercept: 38 m - From: 540 m - To: 578 m - Hole Depth: 646 m - Intercept Depth: 492 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00316:540-578 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612269 - Northing: 9346512 - Elevation: 322 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.06 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a good gold grade, contributing to the overall value of the intercept. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.67 Context: 38 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00318 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-90) Furnas · copper #### Identity - Hole ID: FURN-DD-00318 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.23 - Grade Unit: % - Intercept: 46 m - From: 150 m - To: 196 m - Hole Depth: 253.6 m - Intercept Depth: 150 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00318:150-196 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612251 - Northing: 9345973 - Elevation: 394 m - Azimuth: 200 ° - Dip: 55 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.48 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows an exceptional copper grade over a good width, contributing positively to the overall resource potential. - Positive factor: Exceptional copper grade for IOCG deposit - Positive factor: Good intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 1.23 Context: 46 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00318 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-91) Furnas · gold #### Identity - Hole ID: FURN-DD-00318 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.52 - Grade Unit: g/t - Intercept: 46 m - From: 150 m - To: 196 m - Hole Depth: 253.6 m - Intercept Depth: 150 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00318:150-196 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612251 - Northing: 9345973 - Elevation: 394 m - Azimuth: 200 ° - Dip: 55 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.48 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows a good gold grade over a good width, adding to the polymetallic nature of the deposit. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Good intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.52 Context: 46 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00319 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-92) Furnas · copper #### Identity - Hole ID: FURN-DD-00319 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.65 - Grade Unit: % - Intercept: 33 m - From: 125 m - To: 158 m - Hole Depth: 236.7 m - Intercept Depth: 125 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00319:125-158 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612058 - Northing: 9346067 - Elevation: 407 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.83 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows an exceptional copper grade over a good width, contributing positively to the overall resource potential. - Positive factor: Exceptional copper grade for IOCG deposit - Positive factor: Good intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 1.65 Context: 33 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00319 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-93) Furnas · gold #### Identity - Hole ID: FURN-DD-00319 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.38 - Grade Unit: g/t - Intercept: 33 m - From: 125 m - To: 158 m - Hole Depth: 236.7 m - Intercept Depth: 125 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00319:125-158 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612058 - Northing: 9346067 - Elevation: 407 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.83 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows a good gold grade over a good width, adding to the polymetallic nature of the deposit. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Good intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.38 Context: 33 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00322 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-94) Furnas · copper #### Identity - Hole ID: FURN-DD-00322 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.76 - Grade Unit: % - Intercept: 115 m - From: 647 m - To: 761 m - Hole Depth: 508.8 m - Intercept Depth: 647 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00322:647-761 - Mining Method: open\_pit #### Location - Location: Southeast Zone - Easting: 612182 - Northing: 9346923 - Elevation: 277 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.98 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept represents the deepest hole drilled to date, significantly extending mineralization down-dip with strong copper grades over an exceptional length, indicating high novelty and materiality. - Positive factor: Deepest hole to date - Positive factor: Extends mineralization significantly down-dip - Positive factor: Strong copper grade for IOCG deposit - Positive factor: Exceptional intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.76 Context: 115 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00322 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-95) Furnas · gold #### Identity - Hole ID: FURN-DD-00322 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.47 - Grade Unit: g/t - Intercept: 115 m - From: 647 m - To: 761 m - Hole Depth: 508.8 m - Intercept Depth: 647 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00322:647-761 - Mining Method: open\_pit #### Location - Location: Southeast Zone - Easting: 612182 - Northing: 9346923 - Elevation: 277 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.98 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept represents the deepest hole drilled to date, significantly extending mineralization down-dip with good gold grades over an exceptional length, indicating high novelty and materiality. - Positive factor: Deepest hole to date - Positive factor: Extends mineralization significantly down-dip - Positive factor: Good gold grade for IOCG deposit - Positive factor: Exceptional intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.47 Context: 115 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00322 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-96) Furnas · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: FURN-DD-00322 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.81 - Grade Unit: % - Intercept: 46 m - From: 661 m - To: 707 m - Hole Depth: 508.8 m - Intercept Depth: 647 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00322:661-707 - Mining Method: open\_pit #### Location - Location: Southeast Zone - Easting: 612182 - Northing: 9346923 - Elevation: 277 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.11 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a strong copper grade over a good width within the deepest hole, indicating high novelty and materiality. - Positive factor: Deepest hole to date - Positive factor: Extends mineralization significantly down-dip - Positive factor: Strong copper grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.81 Context: 46 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00322 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-97) Furnas · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: FURN-DD-00322 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.56 - Grade Unit: g/t - Intercept: 46 m - From: 661 m - To: 707 m - Hole Depth: 508.8 m - Intercept Depth: 647 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00322:661-707 - Mining Method: open\_pit #### Location - Location: Southeast Zone - Easting: 612182 - Northing: 9346923 - Elevation: 277 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.11 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a good gold grade over a good width within the deepest hole, indicating high novelty and materiality. - Positive factor: Deepest hole to date - Positive factor: Extends mineralization significantly down-dip - Positive factor: Good gold grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.56 Context: 46 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00322 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-98) Furnas · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: FURN-DD-00322 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.91 - Grade Unit: % - Intercept: 28 m - From: 733 m - To: 761 m - Hole Depth: 508.8 m - Intercept Depth: 647 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00322:733-761 - Mining Method: open\_pit #### Location - Location: Southeast Zone - Easting: 612182 - Northing: 9346923 - Elevation: 277 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.25 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a strong copper grade over a good width within the deepest hole, indicating high novelty and materiality. - Positive factor: Deepest hole to date - Positive factor: Extends mineralization significantly down-dip - Positive factor: Strong copper grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.91 Context: 28 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00322 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-99) Furnas · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: FURN-DD-00322 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.71 - Grade Unit: g/t - Intercept: 28 m - From: 733 m - To: 761 m - Hole Depth: 508.8 m - Intercept Depth: 647 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00322:733-761 - Mining Method: open\_pit #### Location - Location: Southeast Zone - Easting: 612182 - Northing: 9346923 - Elevation: 277 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.25 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a good gold grade over a good width within the deepest hole, indicating high novelty and materiality. - Positive factor: Deepest hole to date - Positive factor: Extends mineralization significantly down-dip - Positive factor: Good gold grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.71 Context: 28 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00323 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-100) Furnas · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: FURN-DD-00323 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.91 - Grade Unit: % - Intercept: 62 m - From: 167 m - To: 229 m - Hole Depth: 321.7 m - Intercept Depth: 167 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00323:167-229 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612164 - Northing: 9346052 - Elevation: 402 m - Azimuth: 200 ° - Dip: 65 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.16 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows a strong copper grade over a good width, contributing positively to the overall resource potential. - Positive factor: Strong copper grade for IOCG deposit - Positive factor: Good intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.91 Context: 62 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00323 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-101) Furnas · gold #### Identity - Hole ID: FURN-DD-00323 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.52 - Grade Unit: g/t - Intercept: 62 m - From: 167 m - To: 229 m - Hole Depth: 321.7 m - Intercept Depth: 167 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00323:167-229 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612164 - Northing: 9346052 - Elevation: 402 m - Azimuth: 200 ° - Dip: 65 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.16 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows a good gold grade over a good width, adding to the polymetallic nature of the deposit. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Good intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.52 Context: 62 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00324 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-102) Furnas · copper #### Identity - Hole ID: FURN-DD-00324 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.8 - Grade Unit: % - Intercept: 62 m - From: 323 m - To: 385 m - Hole Depth: 453.3 m - Intercept Depth: 323 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00324:323-385 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612596 - Northing: 9345958 - Elevation: 322 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.08 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows a strong copper grade over a good width, contributing positively to the overall resource potential. - Positive factor: Strong copper grade for IOCG deposit - Positive factor: Good intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.80 Context: 62 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00324 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-103) Furnas · gold #### Identity - Hole ID: FURN-DD-00324 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.59 - Grade Unit: g/t - Intercept: 62 m - From: 323 m - To: 385 m - Hole Depth: 453.3 m - Intercept Depth: 323 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00324:323-385 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612596 - Northing: 9345958 - Elevation: 322 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.08 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows a good gold grade over a good width, adding to the polymetallic nature of the deposit. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Good intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.59 Context: 62 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00324 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-104) Furnas · copper #### Identity - Hole ID: FURN-DD-00324 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.14 - Grade Unit: % - Intercept: 16 m - From: 323 m - To: 339 m - Hole Depth: 453.3 m - Intercept Depth: 323 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00324:323-339 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612596 - Northing: 9345958 - Elevation: 322 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.58 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows an exceptional copper grade, indicating a very high-grade zone within the broader intercept. - Positive factor: Exceptional copper grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 1.14 Context: 16 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00324 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-105) Furnas · gold #### Identity - Hole ID: FURN-DD-00324 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.92 - Grade Unit: g/t - Intercept: 16 m - From: 323 m - To: 339 m - Hole Depth: 453.3 m - Intercept Depth: 323 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00324:323-339 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612596 - Northing: 9345958 - Elevation: 322 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.58 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This sub-interval shows a strong gold grade, contributing significantly to the overall value of the intercept. - Positive factor: Strong gold grade for IOCG deposit - Positive factor: Good intercept length for sub-interval - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.92 Context: 16 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00325 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-106) Furnas · copper #### Identity - Hole ID: FURN-DD-00325 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.72 - Grade Unit: % - Intercept: 65 m - From: 457 m - To: 522 m - Hole Depth: 570.5 m - Intercept Depth: 457 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00325:457-522 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612406 - Northing: 9346274 - Elevation: 321 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.93 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows a strong copper grade over a good width, contributing positively to the overall resource potential. - Positive factor: Strong copper grade for IOCG deposit - Positive factor: Good intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.72 Context: 65 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00325 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-107) Furnas · gold #### Identity - Hole ID: FURN-DD-00325 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.43 - Grade Unit: g/t - Intercept: 65 m - From: 457 m - To: 522 m - Hole Depth: 570.5 m - Intercept Depth: 457 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00325:457-522 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612406 - Northing: 9346274 - Elevation: 321 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.93 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: This intercept shows a good gold grade over a good width, adding to the polymetallic nature of the deposit. - Positive factor: Good gold grade for IOCG deposit - Positive factor: Good intercept length - Positive factor: Metal equivalent assumptions disclosed - Negative factor: Apparent Width Only Evidence · table > 0.43 Context: 65 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### FURN-DD-00325 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-108) Furnas · copper #### Identity - Hole ID: FURN-DD-00325 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.13 - Grade Unit: % - Intercept: 10 m - From: 459 m - To: 469 m - Hole Depth: 570.5 m - Intercept Depth: 457 m #### Classification - Deposit Type: iocg - Program: mixed - Sample Type: drill - Group ID: FURN-DD-00325:459-469 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Easting: 612406 - Northing: 9346274 - Elevation: 321 m - Azimuth: 200 ° - Dip: 60 ° - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.48 - Metal Eq. Unit: % CuEq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z - Positive factor: Exceptional copper grade for IOCG deposit - Positive factor: Good intercept length for sub-interval #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated **Infill Drilling** Polarity: neutral Definition: Confirmatory drilling to raise resource confidence, not new discovery. Why it applies: drill\_program\_type is "mixed" ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-109) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.85 - Grade Unit: % - Intercept: 32 m - From: 491 m - To: 523 m - Intercept Depth: 491 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:491-523 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.11 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.85 % copper is strong against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 27.2 %·m is weak \(grade alone is strong; the better of the two is used\). - Positive factor: 0.85 % copper is strong on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.85 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-110) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.54 - Grade Unit: g/t - Intercept: 32 m - From: 491 m - To: 523 m - Intercept Depth: 491 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:491-523 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.11 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.54 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 17.3 g/t·m is weak. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.54 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-111) Furnas · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.81 - Grade Unit: % - Intercept: 20 m - From: 519 m - To: 539 m - Intercept Depth: 519 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:519-539 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.11 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.81 % copper is strong against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 16.2 %·m is below \(grade alone is strong; the better of the two is used\). - Positive factor: 0.81 % copper is strong on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.81 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-112) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.62 - Grade Unit: g/t - Intercept: 20 m - From: 519 m - To: 539 m - Intercept Depth: 519 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:519-539 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.11 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.62 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 12.4 g/t·m is weak. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.62 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-113) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.51 - Grade Unit: % - Intercept: 18 m - From: 429 m - To: 447 m - Intercept Depth: 429 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:429-447 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.73 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 1.51 % copper is exceptional against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 27.2 %·m is weak \(grade alone is exceptional; the better of the two is used\). - Positive factor: 1.51 % copper is exceptional on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 1.51 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-114) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.46 - Grade Unit: g/t - Intercept: 18 m - From: 429 m - To: 447 m - Intercept Depth: 429 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:429-447 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.73 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.46 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 8.3 g/t·m is below \(grade alone is weak; the better of the two is used\). - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.46 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-115) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.33 - Grade Unit: % - Intercept: 23 m - From: 489 m - To: 512 m - Intercept Depth: 489 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:489-512 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.67 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 1.33 % copper is exceptional against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 30.6 %·m is weak \(grade alone is exceptional; the better of the two is used\). - Positive factor: 1.33 % copper is exceptional on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 1.33 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-116) Furnas · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.71 - Grade Unit: g/t - Intercept: 23 m - From: 489 m - To: 512 m - Intercept Depth: 489 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:489-512 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.67 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.71 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 16.3 g/t·m is weak. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.71 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-117) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.93 - Grade Unit: % - Intercept: 17 m - From: 174 m - To: 190 m - Intercept Depth: 174 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:174-190 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.1 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.93 % copper is exceptional against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 15.8 %·m is below \(grade alone is exceptional; the better of the two is used\). - Positive factor: 0.93 % copper is exceptional on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.93 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-118) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.35 - Grade Unit: g/t - Intercept: 17 m - From: 174 m - To: 190 m - Intercept Depth: 174 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:174-190 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.1 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.35 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 5.9 g/t·m is below \(grade alone is weak; the better of the two is used\). - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.35 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-119) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.75 - Grade Unit: % - Intercept: 19 m - From: 252 m - To: 271 m - Intercept Depth: 252 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:252-271 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.94 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.75 % copper is strong against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 14.3 %·m is below \(grade alone is strong; the better of the two is used\). - Positive factor: 0.75 % copper is strong on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.75 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-120) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.39 - Grade Unit: g/t - Intercept: 19 m - From: 252 m - To: 271 m - Intercept Depth: 252 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:252-271 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.94 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.39 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 7.4 g/t·m is below \(grade alone is weak; the better of the two is used\). - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.39 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-121) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.59 - Grade Unit: % - Intercept: 36 m - From: 212 m - To: 248 m - Intercept Depth: 212 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:212-248 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.91 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.59 % copper is strong against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 21.2 %·m is weak \(grade alone is strong; the better of the two is used\). - Positive factor: 0.59 % copper is strong on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.59 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-122) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.68 - Grade Unit: g/t - Intercept: 36 m - From: 212 m - To: 248 m - Intercept Depth: 212 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:212-248 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.91 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.68 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 24.5 g/t·m is weak. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.68 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-123) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.63 - Grade Unit: % - Intercept: 13 m - From: 235 m - To: 248 m - Intercept Depth: 235 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:235-248 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.08 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.63 % copper is strong against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 8.2 %·m is below \(grade alone is strong; the better of the two is used\). - Positive factor: 0.63 % copper is strong on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.63 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-124) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.95 - Grade Unit: g/t - Intercept: 13 m - From: 235 m - To: 248 m - Intercept Depth: 235 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:235-248 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.08 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.95 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 12.3 g/t·m is weak. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.95 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-125) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.63 - Grade Unit: % - Intercept: 47 m - From: 570 m - To: 617 m - Intercept Depth: 570 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:570-617 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.85 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.63 % copper is strong against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 29.6 %·m is weak \(grade alone is strong; the better of the two is used\). - Positive factor: 0.63 % copper is strong on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.63 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-126) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.46 - Grade Unit: g/t - Intercept: 47 m - From: 570 m - To: 617 m - Intercept Depth: 570 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:570-617 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.85 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.46 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 21.6 g/t·m is weak. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.46 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-127) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.89 - Grade Unit: % - Intercept: 18 m - From: 182 m - To: 200 m - Intercept Depth: 182 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:182-200 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.89 % copper is strong against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 16.0 %·m is below \(grade alone is strong; the better of the two is used\). - Positive factor: 0.89 % copper is strong on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.89 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-128) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.23 - Grade Unit: g/t - Intercept: 18 m - From: 182 m - To: 200 m - Intercept Depth: 182 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:182-200 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.23 g/t gold is below against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 4.1 g/t·m is below. - Negative factor: 0.23 g/t gold is below the weak threshold \(0.3 g/t\) on the open\_pit mining band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.23 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-129) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.04 - Grade Unit: % - Intercept: 47 m - From: 297 m - To: 344 m - Intercept Depth: 297 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:297-344 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.18 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 1.04 % copper is exceptional against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 48.9 %·m is weak \(grade alone is exceptional; the better of the two is used\). - Positive factor: 1.04 % copper is exceptional on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 1.04 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-130) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.3 - Grade Unit: g/t - Intercept: 47 m - From: 297 m - To: 344 m - Intercept Depth: 297 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:297-344 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.18 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.3 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 14.1 g/t·m is weak. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.30 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-131) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.1 - Grade Unit: % - Intercept: 30 m - From: 359 m - To: 389 m - Intercept Depth: 359 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:359-389 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.81 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 1.1 % copper is exceptional against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 33.0 %·m is weak \(grade alone is exceptional; the better of the two is used\). - Positive factor: 1.1 % copper is exceptional on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 1.10 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-132) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.48 - Grade Unit: g/t - Intercept: 30 m - From: 359 m - To: 389 m - Intercept Depth: 359 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:359-389 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.81 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 1.48 g/t gold is moderate against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 44.4 g/t·m is moderate. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 1.48 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-133) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.34 - Grade Unit: % - Intercept: 26 m - From: 353 m - To: 379 m - Intercept Depth: 353 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:353-379 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.64 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 1.34 % copper is exceptional against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 34.8 %·m is weak \(grade alone is exceptional; the better of the two is used\). - Positive factor: 1.34 % copper is exceptional on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 1.34 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-134) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.63 - Grade Unit: g/t - Intercept: 26 m - From: 353 m - To: 379 m - Intercept Depth: 353 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:353-379 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.64 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.63 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 16.4 g/t·m is weak. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.63 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-135) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.99 - Grade Unit: % - Intercept: 22 m - From: 399 m - To: 421 m - Intercept Depth: 399 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:399-421 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.46 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.99 % copper is exceptional against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 21.8 %·m is weak \(grade alone is exceptional; the better of the two is used\). - Positive factor: 0.99 % copper is exceptional on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.99 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-136) Furnas · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.98 - Grade Unit: g/t - Intercept: 22 m - From: 399 m - To: 421 m - Intercept Depth: 399 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:399-421 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.46 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.98 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 21.6 g/t·m is weak. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.98 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-137) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.92 - Grade Unit: % - Intercept: 16 m - From: 444 m - To: 460 m - Intercept Depth: 444 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:444-460 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.42 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.92 % copper is exceptional against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 14.7 %·m is below \(grade alone is exceptional; the better of the two is used\). - Positive factor: 0.92 % copper is exceptional on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.92 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-138) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.05 - Grade Unit: g/t - Intercept: 16 m - From: 444 m - To: 460 m - Intercept Depth: 444 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:444-460 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.42 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 1.05 g/t gold is moderate against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 16.8 g/t·m is weak \(grade alone is moderate; the better of the two is used\). - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 1.05 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-139) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.97 - Grade Unit: % - Intercept: 27 m - From: 334 m - To: 361 m - Intercept Depth: 334 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:334-361 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.17 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.97 % copper is exceptional against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 26.2 %·m is weak \(grade alone is exceptional; the better of the two is used\). - Positive factor: 0.97 % copper is exceptional on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.97 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-140) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.42 - Grade Unit: g/t - Intercept: 27 m - From: 334 m - To: 361 m - Intercept Depth: 334 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:334-361 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.17 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.42 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 11.3 g/t·m is weak. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.42 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-141) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.67 - Grade Unit: % - Intercept: 29 m - From: 260 m - To: 289 m - Intercept Depth: 260 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:260-289 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.91 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 1.67 % copper is exceptional against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 48.4 %·m is weak \(grade alone is exceptional; the better of the two is used\). - Positive factor: 1.67 % copper is exceptional on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 1.67 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-142) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.5 - Grade Unit: g/t - Intercept: 29 m - From: 260 m - To: 289 m - Intercept Depth: 260 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:260-289 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.91 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.5 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 14.5 g/t·m is weak. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.50 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-143) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1 - Grade Unit: % - Intercept: 50 m - From: 391 m - To: 441 m - Intercept Depth: 391 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:391-441 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.67 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 1 % copper is exceptional against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 50.0 %·m is weak \(grade alone is exceptional; the better of the two is used\). - Positive factor: 1 % copper is exceptional on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 1.00 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-144) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.4 - Grade Unit: g/t - Intercept: 50 m - From: 391 m - To: 441 m - Intercept Depth: 391 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:391-441 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.67 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 1.4 g/t gold is moderate against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 70.0 g/t·m is moderate. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 1.40 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-145) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.04 - Grade Unit: % - Intercept: 27 m - From: 408 m - To: 435 m - Intercept Depth: 408 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:408-435 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.6 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 1.04 % copper is exceptional against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 28.1 %·m is weak \(grade alone is exceptional; the better of the two is used\). - Positive factor: 1.04 % copper is exceptional on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 1.04 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-146) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.18 - Grade Unit: g/t - Intercept: 27 m - From: 408 m - To: 435 m - Intercept Depth: 408 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:408-435 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.6 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 1.18 g/t gold is moderate against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 31.9 g/t·m is moderate. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 1.18 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-147) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.86 - Grade Unit: % - Intercept: 23 m - From: 116 m - To: 139 m - Intercept Depth: 116 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:116-139 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 2.01 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 1.86 % copper is exceptional against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 42.8 %·m is weak \(grade alone is exceptional; the better of the two is used\). - Positive factor: 1.86 % copper is exceptional on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 1.86 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-148) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.31 - Grade Unit: g/t - Intercept: 23 m - From: 116 m - To: 139 m - Intercept Depth: 116 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:116-139 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 2.01 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.31 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 7.1 g/t·m is below \(grade alone is weak; the better of the two is used\). - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.31 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-149) Furnas · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.88 - Grade Unit: % - Intercept: 28 m - From: 361 m - To: 389 m - Intercept Depth: 361 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:361-389 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.13 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.88 % copper is strong against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 24.6 %·m is weak \(grade alone is strong; the better of the two is used\). - Positive factor: 0.88 % copper is strong on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.88 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-150) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.53 - Grade Unit: g/t - Intercept: 28 m - From: 361 m - To: 389 m - Intercept Depth: 361 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:361-389 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.13 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.53 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 14.8 g/t·m is weak. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.53 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-151) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.22 - Grade Unit: % - Intercept: 18 m - From: 149 m - To: 167 m - Intercept Depth: 149 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:149-167 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.6 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 1.22 % copper is exceptional against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 22.0 %·m is weak \(grade alone is exceptional; the better of the two is used\). - Positive factor: 1.22 % copper is exceptional on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 1.22 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-152) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.79 - Grade Unit: g/t - Intercept: 18 m - From: 149 m - To: 167 m - Intercept Depth: 149 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:149-167 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.6 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.79 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 14.2 g/t·m is weak. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.79 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-153) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.74 - Grade Unit: % - Intercept: 38 m - From: 540 m - To: 578 m - Intercept Depth: 540 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:540-578 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.06 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.74 % copper is strong against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 28.1 %·m is weak \(grade alone is strong; the better of the two is used\). - Positive factor: 0.74 % copper is strong on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.74 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-154) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.67 - Grade Unit: g/t - Intercept: 38 m - From: 540 m - To: 578 m - Intercept Depth: 540 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:540-578 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.06 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.67 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 25.5 g/t·m is weak. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.67 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-155) Furnas · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.81 - Grade Unit: % - Intercept: 46 m - From: 661 m - To: 707 m - Intercept Depth: 661 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:661-707 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.11 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.81 % copper is strong against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 37.3 %·m is weak \(grade alone is strong; the better of the two is used\). - Positive factor: 0.81 % copper is strong on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.81 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-156) Furnas · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.56 - Grade Unit: g/t - Intercept: 46 m - From: 661 m - To: 707 m - Intercept Depth: 661 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:661-707 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.11 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.56 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 25.8 g/t·m is weak. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.56 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-157) Furnas · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.91 - Grade Unit: % - Intercept: 28 m - From: 733 m - To: 761 m - Intercept Depth: 733 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:733-761 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.25 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.91 % copper is exceptional against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 25.5 %·m is weak \(grade alone is exceptional; the better of the two is used\). - Positive factor: 0.91 % copper is exceptional on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.91 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-158) Furnas · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.71 - Grade Unit: g/t - Intercept: 28 m - From: 733 m - To: 761 m - Intercept Depth: 733 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:733-761 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.25 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.71 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 19.9 g/t·m is weak. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.71 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-159) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.14 - Grade Unit: % - Intercept: 16 m - From: 323 m - To: 339 m - Intercept Depth: 323 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:323-339 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.58 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 1.14 % copper is exceptional against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 18.2 %·m is below \(grade alone is exceptional; the better of the two is used\). - Positive factor: 1.14 % copper is exceptional on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 1.14 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-160) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.92 - Grade Unit: g/t - Intercept: 16 m - From: 323 m - To: 339 m - Intercept Depth: 323 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:323-339 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.58 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.92 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 14.7 g/t·m is weak. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.92 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-161) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.13 - Grade Unit: % - Intercept: 10 m - From: 459 m - To: 469 m - Intercept Depth: 459 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:459-469 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.48 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 1.13 % copper is exceptional against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 11.3 %·m is below \(grade alone is exceptional; the better of the two is used\). - Positive factor: 1.13 % copper is exceptional on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 1.13 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-162) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.73 - Grade Unit: g/t - Intercept: 10 m - From: 459 m - To: 469 m - Intercept Depth: 459 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:459-469 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.48 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.73 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 7.3 g/t·m is below \(grade alone is weak; the better of the two is used\). - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.73 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00327 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-163) Furnas · copper #### Identity - Hole ID: FURN-DD-00327 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.68 - Grade Unit: % - Intercept: 54 m - From: 138 m - To: 192 m - Intercept Depth: 138 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00327:138-192 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.88 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.68 % copper is strong against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 36.7 %·m is weak \(grade alone is strong; the better of the two is used\). - Positive factor: 0.68 % copper is strong on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.68 Context: FURN-DD-00327 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00327 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-164) Furnas · gold #### Identity - Hole ID: FURN-DD-00327 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.42 - Grade Unit: g/t - Intercept: 54 m - From: 138 m - To: 192 m - Intercept Depth: 138 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00327:138-192 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.88 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.42 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 22.7 g/t·m is weak. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.42 Context: FURN-DD-00327 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-165) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.02 - Grade Unit: % - Intercept: 25 m - From: 150 m - To: 175 m - Intercept Depth: 150 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:150-175 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.27 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 1.02 % copper is exceptional against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 25.5 %·m is weak \(grade alone is exceptional; the better of the two is used\). - Positive factor: 1.02 % copper is exceptional on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 1.02 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-166) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.53 - Grade Unit: g/t - Intercept: 25 m - From: 150 m - To: 175 m - Intercept Depth: 150 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:150-175 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.27 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.53 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 13.3 g/t·m is weak. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.53 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00328 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-167) Furnas · copper #### Identity - Hole ID: FURN-DD-00328 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.7 - Grade Unit: % - Intercept: 57 m - From: 473 m - To: 530 m - Intercept Depth: 473 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00328:473-530 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.92 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.7 % copper is strong against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 39.9 %·m is weak \(grade alone is strong; the better of the two is used\). - Positive factor: 0.7 % copper is strong on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.70 Context: FURN-DD-00328 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00328 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-168) Furnas · gold #### Identity - Hole ID: FURN-DD-00328 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.47 - Grade Unit: g/t - Intercept: 57 m - From: 473 m - To: 530 m - Intercept Depth: 473 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00328:473-530 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.92 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.47 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 26.8 g/t·m is weak. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.47 Context: FURN-DD-00328 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-169) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.06 - Grade Unit: % - Intercept: 8 m - From: 473 m - To: 481 m - Intercept Depth: 473 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:473-481 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.4 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 1.06 % copper is exceptional against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 8.5 %·m is below \(grade alone is exceptional; the better of the two is used\). - Positive factor: 1.06 % copper is exceptional on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 1.06 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-170) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.72 - Grade Unit: g/t - Intercept: 8 m - From: 473 m - To: 481 m - Intercept Depth: 473 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:473-481 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.4 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.72 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 5.8 g/t·m is below \(grade alone is weak; the better of the two is used\). - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.72 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00330 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-171) Furnas · copper #### Identity - Hole ID: FURN-DD-00330 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.82 - Grade Unit: % - Intercept: 44 m - From: 421 m - To: 466 m - Intercept Depth: 421 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00330:421-466 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.06 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.82 % copper is strong against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 36.1 %·m is weak \(grade alone is strong; the better of the two is used\). - Positive factor: 0.82 % copper is strong on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.82 Context: FURN-DD-00330 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00330 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-172) Furnas · gold #### Identity - Hole ID: FURN-DD-00330 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.5 - Grade Unit: g/t - Intercept: 44 m - From: 421 m - To: 466 m - Intercept Depth: 421 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00330:421-466 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.06 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.5 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 22.0 g/t·m is weak. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.50 Context: FURN-DD-00330 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-173) Furnas · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.98 - Grade Unit: % - Intercept: 30 m - From: 421 m - To: 451 m - Intercept Depth: 421 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:421-451 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.24 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.98 % copper is exceptional against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 29.4 %·m is weak \(grade alone is exceptional; the better of the two is used\). - Positive factor: 0.98 % copper is exceptional on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.98 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-174) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.54 - Grade Unit: g/t - Intercept: 30 m - From: 421 m - To: 451 m - Intercept Depth: 421 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:421-451 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.24 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.54 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 16.2 g/t·m is weak. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.54 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00331 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-175) Furnas · copper #### Identity - Hole ID: FURN-DD-00331 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.61 - Grade Unit: % - Intercept: 42 m - From: 74 m - To: 115 m - Intercept Depth: 74 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00331:74-115 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.05 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.61 % copper is strong against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 25.6 %·m is weak \(grade alone is strong; the better of the two is used\). - Positive factor: 0.61 % copper is strong on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.61 Context: FURN-DD-00331 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00331 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-176) Furnas · gold #### Identity - Hole ID: FURN-DD-00331 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.92 - Grade Unit: g/t - Intercept: 42 m - From: 74 m - To: 115 m - Intercept Depth: 74 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00331:74-115 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.05 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.92 g/t gold is moderate against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 38.6 g/t·m is moderate \(grade alone is weak; the better of the two is used\). - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.92 Context: FURN-DD-00331 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-177) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.27 - Grade Unit: % - Intercept: 8 m - From: 94 m - To: 102 m - Intercept Depth: 94 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:94-102 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 2.11 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 1.27 % copper is exceptional against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 10.2 %·m is below \(grade alone is exceptional; the better of the two is used\). - Positive factor: 1.27 % copper is exceptional on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 1.27 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-178) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.77 - Grade Unit: g/t - Intercept: 8 m - From: 94 m - To: 102 m - Intercept Depth: 94 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:94-102 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 2.11 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 1.77 g/t gold is moderate against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 14.2 g/t·m is weak \(grade alone is moderate; the better of the two is used\). - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 1.77 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00295 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-179) Furnas · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: FURN-DD-00295 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.88 - Grade Unit: % - Intercept: 27 m - From: 314 m - To: 341 m - Intercept Depth: 314 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00295:314-341 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.99 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.88 % copper is strong against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 23.8 %·m is weak \(grade alone is strong; the better of the two is used\). - Positive factor: 0.88 % copper is strong on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.88 Context: FURN-DD-00295 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00295 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-180) Furnas · gold #### Identity - Hole ID: FURN-DD-00295 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.23 - Grade Unit: g/t - Intercept: 27 m - From: 314 m - To: 341 m - Intercept Depth: 314 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00295:314-341 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.99 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.23 g/t gold is below against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 6.2 g/t·m is below. - Negative factor: 0.23 g/t gold is below the weak threshold \(0.3 g/t\) on the open\_pit mining band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.23 Context: FURN-DD-00295 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00295 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-181) Furnas · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: FURN-DD-00295 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.56 - Grade Unit: % - Intercept: 33 m - From: 389 m - To: 422 m - Intercept Depth: 389 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00295:389-422 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.99 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.56 % copper is strong against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 18.5 %·m is below \(grade alone is strong; the better of the two is used\). - Positive factor: 0.56 % copper is strong on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.56 Context: FURN-DD-00295 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00295 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-182) Furnas · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: FURN-DD-00295 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.91 - Grade Unit: g/t - Intercept: 33 m - From: 389 m - To: 422 m - Intercept Depth: 389 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00295:389-422 - Mining Method: open\_pit #### Location - Location: NORTHWEST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.99 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.91 g/t gold is moderate against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 30.0 g/t·m is moderate \(grade alone is weak; the better of the two is used\). - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.91 Context: FURN-DD-00295 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00300 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-183) Furnas · copper #### Identity - Hole ID: FURN-DD-00300 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.02 - Grade Unit: % - Intercept: 80 m - From: 290 m - To: 370 m - Intercept Depth: 290 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00300:290-370 - Mining Method: open\_pit #### Location - Location: Northwest Zone - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.19 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 1.02 % copper is exceptional against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 81.6 %·m is moderate \(grade alone is exceptional; the better of the two is used\). - Positive factor: 1.02 % copper is exceptional on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 1.02 Context: FURN-DD-00300 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00300 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-184) Furnas · gold #### Identity - Hole ID: FURN-DD-00300 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.36 - Grade Unit: g/t - Intercept: 80 m - From: 290 m - To: 370 m - Intercept Depth: 290 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00300:290-370 - Mining Method: open\_pit #### Location - Location: Northwest Zone - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.19 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.36 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 28.8 g/t·m is weak. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.36 Context: FURN-DD-00300 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-185) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.67 - Grade Unit: % - Intercept: 28 m - From: 322 m - To: 350 m - Intercept Depth: 322 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:322-350 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.9 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 1.67 % copper is exceptional against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 46.8 %·m is weak \(grade alone is exceptional; the better of the two is used\). - Positive factor: 1.67 % copper is exceptional on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 1.67 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-186) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.49 - Grade Unit: g/t - Intercept: 28 m - From: 322 m - To: 350 m - Intercept Depth: 322 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:322-350 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.9 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.49 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 13.7 g/t·m is weak. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.49 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00301 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-187) Furnas · copper #### Identity - Hole ID: FURN-DD-00301 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.72 - Grade Unit: % - Intercept: 65 m - From: 425 m - To: 490 m - Intercept Depth: 425 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00301:425-490 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.93 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.72 % copper is strong against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 46.8 %·m is weak \(grade alone is strong; the better of the two is used\). - Positive factor: 0.72 % copper is strong on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.72 Context: FURN-DD-00301 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00301 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-188) Furnas · gold #### Identity - Hole ID: FURN-DD-00301 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.45 - Grade Unit: g/t - Intercept: 65 m - From: 425 m - To: 490 m - Intercept Depth: 425 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00301:425-490 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.93 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.45 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 29.3 g/t·m is weak. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.45 Context: FURN-DD-00301 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-189) Furnas · copper Historical result Needs review: historical\_restatement #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.98 - Grade Unit: % - Intercept: 28 m - From: 425 m - To: 453 m - Intercept Depth: 425 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:425-453 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.27 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.98 % copper is exceptional against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 27.4 %·m is weak \(grade alone is exceptional; the better of the two is used\). - Positive factor: 0.98 % copper is exceptional on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.98 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-190) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.6 - Grade Unit: g/t - Intercept: 28 m - From: 425 m - To: 453 m - Intercept Depth: 425 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:425-453 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.27 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.6 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 16.8 g/t·m is weak. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.60 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00306 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-191) Furnas · copper #### Identity - Hole ID: FURN-DD-00306 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.58 - Grade Unit: % - Intercept: 75 m - From: 169 m - To: 244 m - Intercept Depth: 169 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00306:169-244 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.65 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.58 % copper is strong against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 43.5 %·m is weak \(grade alone is strong; the better of the two is used\). - Positive factor: 0.58 % copper is strong on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.58 Context: FURN-DD-00306 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00306 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-192) Furnas · gold #### Identity - Hole ID: FURN-DD-00306 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.15 - Grade Unit: g/t - Intercept: 75 m - From: 169 m - To: 244 m - Intercept Depth: 169 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00306:169-244 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.65 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.15 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 11.3 g/t·m is weak \(grade alone is below; the better of the two is used\). - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.15 Context: FURN-DD-00306 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00306 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-193) Furnas · copper #### Identity - Hole ID: FURN-DD-00306 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.63 - Grade Unit: % - Intercept: 28 m - From: 317 m - To: 345 m - Intercept Depth: 317 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00306:317-345 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.91 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.63 % copper is strong against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 17.6 %·m is below \(grade alone is strong; the better of the two is used\). - Positive factor: 0.63 % copper is strong on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.63 Context: FURN-DD-00306 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00306 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-194) Furnas · gold #### Identity - Hole ID: FURN-DD-00306 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.58 - Grade Unit: g/t - Intercept: 28 m - From: 317 m - To: 345 m - Intercept Depth: 317 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00306:317-345 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.91 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.58 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 16.2 g/t·m is weak. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.58 Context: FURN-DD-00306 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00308 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-195) Furnas · copper #### Identity - Hole ID: FURN-DD-00308 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.64 - Grade Unit: % - Intercept: 93 m - From: 130 m - To: 223 m - Intercept Depth: 130 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00308:130-223 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.02 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.64 % copper is strong against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 59.5 %·m is weak \(grade alone is strong; the better of the two is used\). - Positive factor: 0.64 % copper is strong on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.64 Context: FURN-DD-00308 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00308 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-196) Furnas · gold #### Identity - Hole ID: FURN-DD-00308 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.8 - Grade Unit: g/t - Intercept: 93 m - From: 130 m - To: 223 m - Intercept Depth: 130 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00308:130-223 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.02 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.8 g/t gold is moderate against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 74.4 g/t·m is moderate \(grade alone is weak; the better of the two is used\). - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.80 Context: FURN-DD-00308 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00312 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-197) Furnas · copper #### Identity - Hole ID: FURN-DD-00312 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.18 - Grade Unit: % - Intercept: 64 m - From: 207 m - To: 271 m - Intercept Depth: 207 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00312:207-271 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.56 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 1.18 % copper is exceptional against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 75.5 %·m is moderate \(grade alone is exceptional; the better of the two is used\). - Positive factor: 1.18 % copper is exceptional on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 1.18 Context: FURN-DD-00312 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00312 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-198) Furnas · gold #### Identity - Hole ID: FURN-DD-00312 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.79 - Grade Unit: g/t - Intercept: 64 m - From: 207 m - To: 271 m - Intercept Depth: 207 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00312:207-271 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.56 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.79 g/t gold is moderate against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 50.6 g/t·m is moderate \(grade alone is weak; the better of the two is used\). - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.79 Context: FURN-DD-00312 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-199) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.39 - Grade Unit: % - Intercept: 31 m - From: 239 m - To: 270 m - Intercept Depth: 239 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:239-270 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.78 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 1.39 % copper is exceptional against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 43.1 %·m is weak \(grade alone is exceptional; the better of the two is used\). - Positive factor: 1.39 % copper is exceptional on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 1.39 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-200) Furnas · gold Historical result Needs review: historical\_restatement #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.81 - Grade Unit: g/t - Intercept: 31 m - From: 239 m - To: 270 m - Intercept Depth: 239 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:239-270 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.78 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Interp. Status: scored - Historical: Yes #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.81 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 25.1 g/t·m is weak. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.81 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00315 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-201) Furnas · copper #### Identity - Hole ID: FURN-DD-00315 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.9 - Grade Unit: % - Intercept: 47 m - From: 150 m - To: 197 m - Intercept Depth: 150 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00315:150-197 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.21 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.9 % copper is exceptional against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 42.3 %·m is weak \(grade alone is exceptional; the better of the two is used\). - Positive factor: 0.9 % copper is exceptional on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.90 Context: FURN-DD-00315 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00315 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-202) Furnas · gold #### Identity - Hole ID: FURN-DD-00315 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.64 - Grade Unit: g/t - Intercept: 47 m - From: 150 m - To: 197 m - Intercept Depth: 150 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00315:150-197 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.21 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.64 g/t gold is moderate against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 30.1 g/t·m is moderate \(grade alone is weak; the better of the two is used\). - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.64 Context: FURN-DD-00315 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00320 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-203) Furnas · copper #### Identity - Hole ID: FURN-DD-00320 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.83 - Grade Unit: % - Intercept: 40 m - From: 194 m - To: 234 m - Intercept Depth: 194 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00320:194-234 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.19 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.83 % copper is strong against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 33.2 %·m is weak \(grade alone is strong; the better of the two is used\). - Positive factor: 0.83 % copper is strong on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.83 Context: FURN-DD-00320 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00320 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-204) Furnas · gold #### Identity - Hole ID: FURN-DD-00320 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.75 - Grade Unit: g/t - Intercept: 40 m - From: 194 m - To: 234 m - Intercept Depth: 194 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00320:194-234 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.19 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.75 g/t gold is moderate against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 30.0 g/t·m is moderate \(grade alone is weak; the better of the two is used\). - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.75 Context: FURN-DD-00320 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00321 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-205) Furnas · copper #### Identity - Hole ID: FURN-DD-00321 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.47 - Grade Unit: % - Intercept: 115 m - From: 490 m - To: 605 m - Intercept Depth: 490 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00321:490-605 - Mining Method: open\_pit #### Location - Location: Northwest Zone - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.6 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.47 % copper is moderate against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 54.0 %·m is weak \(grade alone is moderate; the better of the two is used\). - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.47 Context: FURN-DD-00321 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00321 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-206) Furnas · gold #### Identity - Hole ID: FURN-DD-00321 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.27 - Grade Unit: g/t - Intercept: 115 m - From: 490 m - To: 605 m - Intercept Depth: 490 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00321:490-605 - Mining Method: open\_pit #### Location - Location: Northwest Zone - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.6 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.27 g/t gold is moderate against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 31.1 g/t·m is moderate \(grade alone is below; the better of the two is used\). - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.27 Context: FURN-DD-00321 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-207) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.13 - Grade Unit: % - Intercept: 8 m - From: 564 m - To: 572 m - Intercept Depth: 564 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:564-572 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.36 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 1.13 % copper is exceptional against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 9.0 %·m is below \(grade alone is exceptional; the better of the two is used\). - Positive factor: 1.13 % copper is exceptional on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 1.13 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-208) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.49 - Grade Unit: g/t - Intercept: 8 m - From: 564 m - To: 572 m - Intercept Depth: 564 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:564-572 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.36 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.49 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 3.9 g/t·m is below \(grade alone is weak; the better of the two is used\). - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.49 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00326 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-209) Furnas · copper #### Identity - Hole ID: FURN-DD-00326 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.69 - Grade Unit: % - Intercept: 43 m - From: 150 m - To: 193 m - Intercept Depth: 150 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00326:150-193 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.01 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.69 % copper is strong against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 29.7 %·m is weak \(grade alone is strong; the better of the two is used\). - Positive factor: 0.69 % copper is strong on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.69 Context: FURN-DD-00326 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00326 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-210) Furnas · gold #### Identity - Hole ID: FURN-DD-00326 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.67 - Grade Unit: g/t - Intercept: 43 m - From: 150 m - To: 193 m - Intercept Depth: 150 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00326:150-193 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.01 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.67 g/t gold is weak against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 28.8 g/t·m is weak. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.67 Context: FURN-DD-00326 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-211) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.83 - Grade Unit: % - Intercept: 10 m - From: 164 m - To: 174 m - Intercept Depth: 164 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:164-174 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.32 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.83 % copper is strong against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 8.3 %·m is below \(grade alone is strong; the better of the two is used\). - Positive factor: 0.83 % copper is strong on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.83 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-212) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.02 - Grade Unit: g/t - Intercept: 10 m - From: 164 m - To: 174 m - Intercept Depth: 164 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:164-174 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.32 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 1.02 g/t gold is moderate against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 10.2 g/t·m is weak \(grade alone is moderate; the better of the two is used\). - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 1.02 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00329 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-213) Furnas · copper #### Identity - Hole ID: FURN-DD-00329 - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.48 - Grade Unit: % - Intercept: 24 m - From: 213 m - To: 237 m - Intercept Depth: 213 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00329:213-237 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.62 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.48 % copper is moderate against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 11.5 %·m is below \(grade alone is moderate; the better of the two is used\). - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.48 Context: FURN-DD-00329 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### FURN-DD-00329 [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-214) Furnas · gold #### Identity - Hole ID: FURN-DD-00329 - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.29 - Grade Unit: g/t - Intercept: 24 m - From: 213 m - To: 237 m - Intercept Depth: 213 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: FURN-DD-00329:213-237 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 0.62 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.29 g/t gold is below against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 7.0 g/t·m is below. - Negative factor: 0.29 g/t gold is below the weak threshold \(0.3 g/t\) on the open\_pit mining band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.29 Context: FURN-DD-00329 #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-215) Furnas · copper #### Identity - Hole ID: incl - Project: Furnas - Commodity: copper - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 0.59 - Grade Unit: % - Intercept: 8 m - From: 312 m - To: 320 m - Intercept Depth: 312 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:312-320 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.18 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 0.59 % copper is strong against the iocg deposit band \[0.9, 0.5, 0.3, 0.2\] %. Grade×width 4.7 %·m is below \(grade alone is strong; the better of the two is used\). - Positive factor: 0.59 % copper is strong on the iocg deposit band. - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 0.59 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ### incl [Link to this fact](https://atlas-extractions.minestarters.com/news/ero-copper-intercepts-115-meters-at-0-98-cueq-xb9-in-deepest-hole-drilled-to-dat--c27bed97-0f70-4a97-9a40-15da7ce886f5#fact-drill-facts-216) Furnas · gold #### Identity - Hole ID: incl - Project: Furnas - Commodity: gold - Region: brazil - Reported Region: brazil - Ticker: ERO #### Geometry - Grade: 1.24 - Grade Unit: g/t - Intercept: 8 m - From: 312 m - To: 320 m - Intercept Depth: 312 m #### Classification - Deposit Type: iocg - Sample Type: drill - Group ID: incl:312-320 - Mining Method: open\_pit #### Location - Location: SOUTHEAST ZONE - Loc. Source: document #### QA/QC - Laboratory: ALS Brasil Ltda. and ALS Peru S.A. - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Metal Eq. Grade: 1.18 - Metal Eq. Unit: % Cu-Eq - Assumptions Disclosed: Yes #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2025-09-18T00:00:00.000Z Reasoning: Expanded from assay table. 1.24 g/t gold is moderate against the open\_pit mining band \[5, 2, 1, 0.3\] g/t. Grade×width 9.9 g/t·m is below \(grade alone is moderate; the better of the two is used\). - Negative factor: Scored from rubric bands during table expansion, not from document context. Evidence · table > 1.24 Context: incl #### Tags used in scoring **QA/QC Disclosed** Polarity: positive Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\). Why it applies: qaqc\_disclosed is true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ## How Atlas produces this analysis Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.