# Pampa Medina Sulphide Drilling Intersects 16m of 5.70% Cu and 62.6 g/t Ag including 4m of 11.32% Cu and 144.0 g/t Ag in Significant Extension of UHG Bornite Zone Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24 Original source: https://money.tmx.com/en/quote/MARI/news/6489771384580880/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi Publisher: tmx Original announcement: 2026-06-08T12:45:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: Marimaca Copper Corp. - Ticker: MARI - Exchange: TSX - Region: Antofagasta Region, Chile - Primary commodity: Copper - Secondary commodities: Silver - Document categories: Drill results - Extracted: 2026-09-14 10:53:54 UTC Narrative sentiment: 0.90 · Bullish ## Minestarters Atlas summary Marimaca Copper Corp. announced exceptional drill results from its Pampa Medina deposit, highlighted by hole SPRD-05 intersecting 16m at 5.70% Cu and 62.6 g/t Ag, including 4m at 11.32% Cu and 144.0 g/t Ag. These results represent a significant extension of the ultra-high-grade bornite zone and demonstrate strong lateral continuity of copper-silver mineralization, with the company planning an initial Mineral Resource Estimate following the current delineation campaign. Reasoning: Marimaca Copper has reported exceptional copper and silver drill results from its Pampa Medina deposit, including ultra-high-grade bornite mineralization, which significantly exceed previous best intercepts and peer averages. The drilling extends the known high-grade zone and demonstrates strong lateral continuity, providing high novelty and materiality for the project. - Positive factor: Exceptional copper grades significantly exceeding prior best results and peer averages - Positive factor: Exceptional silver grades significantly exceeding prior best results and peer averages - Positive factor: Significant intercept lengths demonstrating continuity of mineralization - Positive factor: Extension of the ultra-high-grade bornite zone - Positive factor: High confidence in results due to JORC/NI 43-101 compliance and disclosed QA/QC - Negative factor: No specific cut-off grade used for grade width calculations Low confidence — this extraction should be reviewed alongside the original source. Facts used in scoring: 33 ## Classification and evidence **Bonanza Intercept** Polarity: positive Definition: Exceptionally high-grade zone, well above the deposit-type norm. Why it applies: The intercept of 11.32% Cu over 4m and 5.70% Cu over 16m are exceptionally high grades for a porphyry deposit type, significantly exceeding the exceptional threshold of 0.8% Cu. Evidence · text > 16m of 5.70% Cu and 62.6 g/t Ag including 4m of 11.32% Cu and 144.0 g/t Ag **Bonanza Intercept** Polarity: positive Definition: Exceptionally high-grade zone, well above the deposit-type norm. Why it applies: The intercept of 144.0 g/t Ag over 4m is a very high grade for silver, significantly exceeding the company's prior best results and ranking well above the peer 75th percentile. Evidence · text > 16m of 5.70% Cu and 62.6 g/t Ag including 4m of 11.32% Cu and 144.0 g/t Ag **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: The document states that 'True widths are estimated at 80% of the reported downhole intersection'. Evidence · text > True widths are estimated at 80% of the reported downhole intersection **Step-Out Extension** Polarity: positive Definition: Mineralization extended beyond the previously known limit. Why it applies: Hole SPRD-05 is described as drilled 'east of previously released hole SPRD-06' and 'approximately 650m northwest of SMRD-13', indicating an extension of the known mineralization. Evidence · text > SPRD-05 - drilled east of previously released hole SPRD-06 - intersected the ultra-high grade \(UHG\) bornite manto at depth in sediments and tuffs **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: The release mentions 'A full QA/QC program, involving insertion of appropriate blanks, standards and duplicates was employed with acceptable results'. Evidence · text > A full QA/QC program, involving insertion of appropriate blanks, standards and duplicates was employed with acceptable results. **JORC Compliant** Polarity: positive Story-specific tag Definition: Resource estimate prepared in compliance with JORC Code \(Australia\) — high reporting standard. Why it applies: The document includes an 'Appendix 1 - JORC Code 2012 Table 1' and states that the information 'can be reported under both JORC and NI43-101 standards'. Evidence · text > Appendix 1 - JORC Code 2012 Table 1 **NI 43-101 Compliant** Polarity: positive Story-specific tag Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: The document states that the information 'can be reported under both JORC and NI43-101 standards' and a Qualified Person is named for NI 43-101 purposes. Evidence · text > can be reported under both JORC and NI43-101 standards **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: The document explicitly states 'No specific grade cap or cut-off was used during grade width calculations'. Evidence · text > No specific grade cap or cut-off was used during grade width calculations. **Metal Equivalent Opaque** Polarity: negative Definition: Metal equivalent grade reported without disclosing the price, recovery, or payability assumptions used. Requires an actual metal equivalent grade; a combined elemental basket such as PGE is not a metal equivalent. Why it applies: The document explicitly states 'No metal equivalents have been reported'. Evidence · text > No metal equivalents have been reported. ## Extracted facts Stored fact records: 33. Some facts used in scoring do not have a stored record. ## Drill Results (33) ### SPRD-04 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-0) Pampa Medina · copper #### Identity - Hole ID: SPRD-04 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 0.35 - Grade Unit: % - Intercept: 10 m - True Width: 8 m - From: 76 m - To: 86 m - Hole Depth: 732 m - Intercept Depth: 76 m #### Classification - Deposit Type: other - Program: resource - Sample Type: drill - Group ID: SPRD-04:76-86 - Mining Method: underground #### Location - Location: Central Zone - Easting: 407402.94 - Northing: 7440953.06 - CRS: WGS84 UTM - Elevation: 1268.16 m - Azimuth: 270 ° - Dip: -60 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Assumptions Disclosed: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This copper intercept, while not the highest grade, is considered strong for a manto-type deposit and contributes to the overall resource definition. The true width estimate adds confidence. - Positive factor: Copper grade \(0.35%\) is strong for a porphyry deposit type - Positive factor: True width estimated at 80% of downhole length - Negative factor: No specific cut-off grade used for grade width calculations Evidence · table > 0.35 Context: 10 #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 8 **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 "resource" ### SPRD-04 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-1) Pampa Medina · copper #### Identity - Hole ID: SPRD-04 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 0.3 - Grade Unit: % - Intercept: 354 m - True Width: 283.2 m - From: 366 m - To: 720 m - Hole Depth: 732 m - Intercept Depth: 76 m #### Classification - Deposit Type: other - Program: resource - Sample Type: drill - Group ID: SPRD-04:366-720 - Mining Method: underground #### Location - Location: Central Zone - Easting: 407402.94 - Northing: 7440953.06 - CRS: WGS84 UTM - Elevation: 1268.16 m - Azimuth: 270 ° - Dip: -60 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Assumptions Disclosed: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This very long copper intercept, while lower grade, indicates a substantial mineralized zone, which is highly material for resource potential. The true width estimate adds confidence. - Positive factor: Significant intercept length \(354m\) demonstrating broad mineralization - Positive factor: Copper grade \(0.30%\) is strong for a porphyry deposit type - Positive factor: True width estimated at 80% of downhole length - Negative factor: No specific cut-off grade used for grade width calculations Evidence · table > 0.30 Context: 354 #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 283.2 **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 "resource" ### SPRD-04 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-2) Pampa Medina · copper #### Identity - Hole ID: SPRD-04 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 0.35 - Grade Unit: % - Intercept: 140 m - True Width: 112 m - From: 366 m - To: 506 m - Hole Depth: 732 m - Intercept Depth: 76 m #### Classification - Deposit Type: other - Program: resource - Sample Type: drill - Group ID: SPRD-04:366-506 - Mining Method: underground #### Location - Location: Central Zone - Easting: 407402.94 - Northing: 7440953.06 - CRS: WGS84 UTM - Elevation: 1268.16 m - Azimuth: 270 ° - Dip: -60 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Assumptions Disclosed: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This long copper intercept, a sub-interval of a larger zone, reinforces the broad mineralization and is material for resource potential. The true width estimate adds confidence. - Positive factor: Significant intercept length \(140m\) within a broader zone - Positive factor: Copper grade \(0.35%\) is strong for a porphyry deposit type - Positive factor: True width estimated at 80% of downhole length - Negative factor: No specific cut-off grade used for grade width calculations Evidence · table > 0.35 Context: 140 #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 112 **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 "resource" ### SPRD-04 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-3) Pampa Medina · copper #### Identity - Hole ID: SPRD-04 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 0.71 - Grade Unit: % - Intercept: 32 m - True Width: 25.6 m - From: 468 m - To: 500 m - Hole Depth: 732 m - Intercept Depth: 76 m #### Classification - Deposit Type: other - Program: resource - Sample Type: drill - Group ID: SPRD-04:468-500 - Mining Method: underground #### Location - Location: Central Zone - Easting: 407402.94 - Northing: 7440953.06 - CRS: WGS84 UTM - Elevation: 1268.16 m - Azimuth: 270 ° - Dip: -60 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Assumptions Disclosed: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This strong copper intercept within a mixed zone is material for resource potential. The true width estimate adds confidence. - Positive factor: Copper grade \(0.71%\) is strong for a porphyry deposit type - Positive factor: Significant intercept length \(32m\) within a broader zone - Positive factor: True width estimated at 80% of downhole length - Negative factor: No specific cut-off grade used for grade width calculations Evidence · table > 0.71 Context: 32 #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 25.6 **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 "resource" ### SPRD-04 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-4) Pampa Medina · silver #### Identity - Hole ID: SPRD-04 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 4.1 - Grade Unit: g/t - Intercept: 32 m - True Width: 25.6 m - From: 468 m - To: 500 m - Hole Depth: 732 m - Intercept Depth: 76 m #### Classification - Deposit Type: other - Program: resource - Sample Type: drill - Group ID: SPRD-04:468-500 - Mining Method: underground #### Location - Location: Central Zone - Easting: 407402.94 - Northing: 7440953.06 - CRS: WGS84 UTM - Elevation: 1268.16 m - Azimuth: 270 ° - Dip: -60 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Assumptions Disclosed: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This silver intercept is below the company's average and peer 25th percentile, indicating low materiality for silver at this grade. - Positive factor: True width estimated at 80% of downhole length - Negative factor: Silver grade \(4.1 g/t\) is below the company's average and peer 25th percentile - Negative factor: No specific cut-off grade used for grade width calculations Evidence · table > 4.1 Context: 32 #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 25.6 **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 "resource" ### SPRD-04 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-5) Pampa Medina · copper #### Identity - Hole ID: SPRD-04 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 0.95 - Grade Unit: % - Intercept: 10 m - True Width: 8 m - From: 484 m - To: 494 m - Hole Depth: 732 m - Intercept Depth: 76 m #### Classification - Deposit Type: other - Program: resource - Sample Type: drill - Group ID: SPRD-04:484-494 - Mining Method: underground #### Location - Location: Central Zone - Easting: 407402.94 - Northing: 7440953.06 - CRS: WGS84 UTM - Elevation: 1268.16 m - Azimuth: 270 ° - Dip: -60 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Assumptions Disclosed: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This exceptional copper intercept within a mixed zone is highly material for resource potential. The true width estimate adds confidence. - Positive factor: Copper grade \(0.95%\) is exceptional for a porphyry deposit type - Positive factor: True width estimated at 80% of downhole length - Negative factor: No specific cut-off grade used for grade width calculations Evidence · table > 0.95 Context: 10 #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 8 **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 "resource" ### SPRD-04 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-6) Pampa Medina · silver #### Identity - Hole ID: SPRD-04 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 7.4 - Grade Unit: g/t - Intercept: 10 m - True Width: 8 m - From: 484 m - To: 494 m - Hole Depth: 732 m - Intercept Depth: 76 m #### Classification - Deposit Type: other - Program: resource - Sample Type: drill - Group ID: SPRD-04:484-494 - Mining Method: underground #### Location - Location: Central Zone - Easting: 407402.94 - Northing: 7440953.06 - CRS: WGS84 UTM - Elevation: 1268.16 m - Azimuth: 270 ° - Dip: -60 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Assumptions Disclosed: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This silver intercept is below the company's average and peer 25th percentile, indicating low materiality for silver at this grade. - Positive factor: True width estimated at 80% of downhole length - Negative factor: Silver grade \(7.4 g/t\) is below the company's average and peer 25th percentile - Negative factor: No specific cut-off grade used for grade width calculations Evidence · table > 7.4 Context: 10 #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 8 **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 "resource" ### SPRD-04 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-7) Pampa Medina · copper #### Identity - Hole ID: SPRD-04 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 1.97 - Grade Unit: % - Intercept: 22 m - True Width: 17.6 m - From: 610 m - To: 632 m - Hole Depth: 732 m - Intercept Depth: 76 m #### Classification - Deposit Type: other - Program: resource - Sample Type: drill - Group ID: SPRD-04:610-632 - Mining Method: underground #### Location - Location: Central Zone - Easting: 407402.94 - Northing: 7440953.06 - CRS: WGS84 UTM - Elevation: 1268.16 m - Azimuth: 270 ° - Dip: -60 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Assumptions Disclosed: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This exceptional copper intercept is highly material and contributes to the understanding of the high-grade zones at depth. The true width estimate adds confidence. - Positive factor: Copper grade \(1.97%\) is exceptional for a porphyry deposit type - Positive factor: Intercept length \(22m\) is strong continuity - Positive factor: True width estimated at 80% of downhole length - Negative factor: No specific cut-off grade used for grade width calculations Evidence · table > 1.97 Context: 22 #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 17.6 **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 "resource" ### SPRD-04 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-8) Pampa Medina · silver #### Identity - Hole ID: SPRD-04 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 9.2 - Grade Unit: g/t - Intercept: 22 m - True Width: 17.6 m - From: 610 m - To: 632 m - Hole Depth: 732 m - Intercept Depth: 76 m #### Classification - Deposit Type: other - Program: resource - Sample Type: drill - Group ID: SPRD-04:610-632 - Mining Method: underground #### Location - Location: Central Zone - Easting: 407402.94 - Northing: 7440953.06 - CRS: WGS84 UTM - Elevation: 1268.16 m - Azimuth: 270 ° - Dip: -60 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Assumptions Disclosed: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This silver intercept is below the company's average and peer 25th percentile, indicating low materiality for silver at this grade. - Positive factor: True width estimated at 80% of downhole length - Negative factor: Silver grade \(9.2 g/t\) is below the company's average and peer 25th percentile - Negative factor: No specific cut-off grade used for grade width calculations Evidence · table > 9.2 Context: 22 #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 17.6 **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 "resource" ### SPRD-05 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-9) Pampa Medina · copper #### Identity - Hole ID: SPRD-05 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 0.4 - Grade Unit: % - Intercept: 22 m - True Width: 17.6 m - From: 60 m - To: 82 m - Hole Depth: 836 m - Intercept Depth: 60 m #### Classification - Deposit Type: other - Program: resource - Sample Type: drill - Group ID: SPRD-05:60-82 - Mining Method: underground #### Location - Location: Central Zone - Easting: 406796.25 - Northing: 7440950.99 - CRS: WGS84 UTM - Elevation: 1274.79 m - Azimuth: 270 ° - Dip: -60 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Assumptions Disclosed: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This copper intercept, while not the highest grade, is considered strong for a manto-type deposit and contributes to the overall resource definition. The true width estimate adds confidence. - Positive factor: Copper grade \(0.40%\) is strong for a porphyry deposit type - Positive factor: True width estimated at 80% of downhole length - Negative factor: No specific cut-off grade used for grade width calculations Evidence · table > 0.40 Context: 22 #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 17.6 **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 "resource" ### SPRD-05 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-10) Pampa Medina · silver #### Identity - Hole ID: SPRD-05 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 1.9 - Grade Unit: g/t - Intercept: 22 m - True Width: 17.6 m - From: 60 m - To: 82 m - Hole Depth: 836 m - Intercept Depth: 60 m #### Classification - Deposit Type: other - Program: resource - Sample Type: drill - Group ID: SPRD-05:60-82 - Mining Method: underground #### Location - Location: Central Zone - Easting: 406796.25 - Northing: 7440950.99 - CRS: WGS84 UTM - Elevation: 1274.79 m - Azimuth: 270 ° - Dip: -60 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Assumptions Disclosed: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This silver intercept is significantly below the company's average and peer 25th percentile, indicating low materiality for silver at this grade. - Positive factor: True width estimated at 80% of downhole length - Negative factor: Silver grade \(1.9 g/t\) is significantly below the company's average and peer 25th percentile - Negative factor: No specific cut-off grade used for grade width calculations Evidence · table > 1.9 Context: 22 #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 17.6 **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 "resource" ### SPRD-05 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-11) Pampa Medina · copper #### Identity - Hole ID: SPRD-05 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 0.3 - Grade Unit: % - Intercept: 24 m - True Width: 19.2 m - From: 204 m - To: 228 m - Hole Depth: 836 m - Intercept Depth: 60 m #### Classification - Deposit Type: other - Program: resource - Sample Type: drill - Group ID: SPRD-05:204-228 - Mining Method: underground #### Location - Location: Central Zone - Easting: 406796.25 - Northing: 7440950.99 - CRS: WGS84 UTM - Elevation: 1274.79 m - Azimuth: 270 ° - Dip: -60 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Assumptions Disclosed: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This copper intercept, while not the highest grade, is considered strong for a manto-type deposit and contributes to the overall resource definition. The true width estimate adds confidence. - Positive factor: Copper grade \(0.30%\) is strong for a porphyry deposit type - Positive factor: True width estimated at 80% of downhole length - Negative factor: No specific cut-off grade used for grade width calculations Evidence · table > 0.30 Context: 24 #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 19.2 **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 "resource" ### SPRD-05 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-12) Pampa Medina · silver #### Identity - Hole ID: SPRD-05 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 1.8 - Grade Unit: g/t - Intercept: 24 m - True Width: 19.2 m - From: 204 m - To: 228 m - Hole Depth: 836 m - Intercept Depth: 60 m #### Classification - Deposit Type: other - Program: resource - Sample Type: drill - Group ID: SPRD-05:204-228 - Mining Method: underground #### Location - Location: Central Zone - Easting: 406796.25 - Northing: 7440950.99 - CRS: WGS84 UTM - Elevation: 1274.79 m - Azimuth: 270 ° - Dip: -60 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Assumptions Disclosed: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This silver intercept is significantly below the company's average and peer 25th percentile, indicating low materiality for silver at this grade. - Positive factor: True width estimated at 80% of downhole length - Negative factor: Silver grade \(1.8 g/t\) is significantly below the company's average and peer 25th percentile - Negative factor: No specific cut-off grade used for grade width calculations Evidence · table > 1.8 Context: 24 #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 19.2 **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 "resource" ### SPRD-05 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-13) Pampa Medina · copper #### Identity - Hole ID: SPRD-05 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 0.93 - Grade Unit: % - Intercept: 132 m - True Width: 105.6 m - From: 692 m - To: 824 m - Hole Depth: 836 m - Intercept Depth: 60 m #### Classification - Deposit Type: other - Program: resource - Sample Type: drill - Group ID: SPRD-05:692-824 - Mining Method: underground #### Location - Location: Central Zone - Easting: 406796.25 - Northing: 7440950.99 - CRS: WGS84 UTM - Elevation: 1274.79 m - Azimuth: 270 ° - Dip: -60 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Assumptions Disclosed: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This exceptional copper intercept over a significant length is highly material for resource potential and indicates strong mineralization at depth. The true width estimate adds confidence. - Positive factor: Copper grade \(0.93%\) is exceptional for a porphyry deposit type - Positive factor: Significant intercept length \(132m\) demonstrating broad mineralization - Positive factor: True width estimated at 80% of downhole length - Negative factor: No specific cut-off grade used for grade width calculations Evidence · table > 0.93 Context: 132 #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 105.6 **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 "resource" ### SPRD-05 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-14) Pampa Medina · silver #### Identity - Hole ID: SPRD-05 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 8.6 - Grade Unit: g/t - Intercept: 132 m - True Width: 105.6 m - From: 692 m - To: 824 m - Hole Depth: 836 m - Intercept Depth: 60 m #### Classification - Deposit Type: other - Program: resource - Sample Type: drill - Group ID: SPRD-05:692-824 - Mining Method: underground #### Location - Location: Central Zone - Easting: 406796.25 - Northing: 7440950.99 - CRS: WGS84 UTM - Elevation: 1274.79 m - Azimuth: 270 ° - Dip: -60 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Assumptions Disclosed: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This silver intercept is below the company's average and peer 25th percentile, indicating low materiality for silver at this grade. - Positive factor: True width estimated at 80% of downhole length - Negative factor: Silver grade \(8.6 g/t\) is below the company's average and peer 25th percentile - Negative factor: No specific cut-off grade used for grade width calculations Evidence · table > 8.6 Context: 132 #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 105.6 **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 "resource" ### SPRD-05 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-15) Pampa Medina · copper #### Identity - Hole ID: SPRD-05 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 1.19 - Grade Unit: % - Intercept: 96 m - True Width: 76.8 m - From: 692 m - To: 788 m - Hole Depth: 836 m - Intercept Depth: 60 m #### Classification - Deposit Type: other - Program: resource - Sample Type: drill - Group ID: SPRD-05:692-788 - Mining Method: underground #### Location - Location: Central Zone - Easting: 406796.25 - Northing: 7440950.99 - CRS: WGS84 UTM - Elevation: 1274.79 m - Azimuth: 270 ° - Dip: -60 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Assumptions Disclosed: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This exceptional copper intercept over a significant length is highly material for resource potential and indicates strong mineralization at depth. The true width estimate adds confidence. - Positive factor: Copper grade \(1.19%\) is exceptional for a porphyry deposit type - Positive factor: Significant intercept length \(96m\) demonstrating strong continuity - Positive factor: True width estimated at 80% of downhole length - Negative factor: No specific cut-off grade used for grade width calculations Evidence · table > 1.19 Context: 96 #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 76.8 **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 "resource" ### SPRD-05 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-16) Pampa Medina · silver #### Identity - Hole ID: SPRD-05 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 11.7 - Grade Unit: g/t - Intercept: 96 m - True Width: 76.8 m - From: 692 m - To: 788 m - Hole Depth: 836 m - Intercept Depth: 60 m #### Classification - Deposit Type: other - Program: resource - Sample Type: drill - Group ID: SPRD-05:692-788 - Mining Method: underground #### Location - Location: Central Zone - Easting: 406796.25 - Northing: 7440950.99 - CRS: WGS84 UTM - Elevation: 1274.79 m - Azimuth: 270 ° - Dip: -60 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Assumptions Disclosed: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This silver intercept is below the company's average and peer 25th percentile, indicating low materiality for silver at this grade. - Positive factor: True width estimated at 80% of downhole length - Negative factor: Silver grade \(11.7 g/t\) is below the company's average and peer 25th percentile - Negative factor: No specific cut-off grade used for grade width calculations Evidence · table > 11.7 Context: 96 #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 76.8 **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 "resource" ### SPRD-05 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-17) Pampa Medina · copper #### Identity - Hole ID: SPRD-05 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 1.8 - Grade Unit: % - Intercept: 60 m - True Width: 48 m - From: 694 m - To: 754 m - Hole Depth: 836 m - Intercept Depth: 60 m #### Classification - Deposit Type: other - Program: resource - Sample Type: drill - Group ID: SPRD-05:694-754 - Mining Method: underground #### Location - Location: Central Zone - Easting: 406796.25 - Northing: 7440950.99 - CRS: WGS84 UTM - Elevation: 1274.79 m - Azimuth: 270 ° - Dip: -60 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Assumptions Disclosed: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This exceptional copper intercept over a significant length is highly material for resource potential and indicates strong mineralization at depth. The true width estimate adds confidence. - Positive factor: Copper grade \(1.80%\) is exceptional for a porphyry deposit type - Positive factor: Significant intercept length \(60m\) demonstrating strong continuity - Positive factor: True width estimated at 80% of downhole length - Negative factor: No specific cut-off grade used for grade width calculations Evidence · table > 1.80 Context: 60 #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 48 **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 "resource" ### SPRD-05 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-18) Pampa Medina · silver #### Identity - Hole ID: SPRD-05 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 18.4 - Grade Unit: g/t - Intercept: 60 m - True Width: 48 m - From: 694 m - To: 754 m - Hole Depth: 836 m - Intercept Depth: 60 m #### Classification - Deposit Type: other - Program: resource - Sample Type: drill - Group ID: SPRD-05:694-754 - Mining Method: underground #### Location - Location: Central Zone - Easting: 406796.25 - Northing: 7440950.99 - CRS: WGS84 UTM - Elevation: 1274.79 m - Azimuth: 270 ° - Dip: -60 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Assumptions Disclosed: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This silver intercept is below the company's average and peer 25th percentile, indicating moderate materiality for silver at this grade, but not exceptional. - Positive factor: True width estimated at 80% of downhole length - Negative factor: Silver grade \(18.4 g/t\) is below the company's average and peer 25th percentile - Negative factor: No specific cut-off grade used for grade width calculations Evidence · table > 18.4 Context: 60 #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 48 **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 "resource" ### SPRD-05 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-19) Pampa Medina · copper #### Identity - Hole ID: SPRD-05 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 5.7 - Grade Unit: % - Intercept: 16 m - True Width: 12.8 m - From: 704 m - To: 720 m - Hole Depth: 836 m - Intercept Depth: 60 m #### Classification - Deposit Type: other - Program: resource - Sample Type: drill - Group ID: SPRD-05:704-720 - Mining Method: underground #### Location - Location: Central Zone - Easting: 406796.25 - Northing: 7440950.99 - CRS: WGS84 UTM - Elevation: 1274.79 m - Azimuth: 270 ° - Dip: -60 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Assumptions Disclosed: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This exceptional copper intercept is highly material and novel, representing a significant high-grade zone that exceeds previous best results for the company. The true width estimate adds confidence. - Positive factor: Copper grade \(5.70%\) is exceptional for a porphyry deposit type and significantly above prior best results - Positive factor: Intercept length \(16m\) is strong continuity - Positive factor: True width estimated at 80% of downhole length - Negative factor: No specific cut-off grade used for grade width calculations Evidence · table > 5.70 Context: 16 #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 12.8 **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 "resource" ### SPRD-05 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-20) Pampa Medina · silver #### Identity - Hole ID: SPRD-05 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 62.6 - Grade Unit: g/t - Intercept: 16 m - True Width: 12.8 m - From: 704 m - To: 720 m - Hole Depth: 836 m - Intercept Depth: 60 m #### Classification - Deposit Type: other - Program: resource - Sample Type: drill - Group ID: SPRD-05:704-720 - Mining Method: underground #### Location - Location: Central Zone - Easting: 406796.25 - Northing: 7440950.99 - CRS: WGS84 UTM - Elevation: 1274.79 m - Azimuth: 270 ° - Dip: -60 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Assumptions Disclosed: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This silver intercept is highly material and novel, significantly exceeding previous best results for the company, although it is below the peer 75th percentile. The true width estimate adds confidence. - Positive factor: Silver grade \(62.6 g/t\) is significantly above the company's average and prior best results - Positive factor: True width estimated at 80% of downhole length - Negative factor: Silver grade \(62.6 g/t\) is below the peer 75th percentile - Negative factor: No specific cut-off grade used for grade width calculations Evidence · table > 62.6 Context: 16 #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 12.8 **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 "resource" ### SPRD-05 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-21) Pampa Medina · copper #### Identity - Hole ID: SPRD-05 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 11.32 - Grade Unit: % - Intercept: 4 m - True Width: 3.2 m - From: 706 m - To: 710 m - Hole Depth: 836 m - Intercept Depth: 60 m #### Classification - Deposit Type: other - Program: resource - Sample Type: drill - Group ID: SPRD-05:706-710 - Mining Method: underground #### Location - Location: Central Zone - Easting: 406796.25 - Northing: 7440950.99 - CRS: WGS84 UTM - Elevation: 1274.79 m - Azimuth: 270 ° - Dip: -60 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Assumptions Disclosed: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This ultra-high-grade copper intercept is highly material and novel, representing one of the strongest bornite-mineralized manto intersections to date and significantly exceeding previous best results for the company. The true width estimate adds confidence. - Positive factor: Copper grade \(11.32%\) is exceptional for a porphyry deposit type and significantly above prior best results - Positive factor: True width estimated at 80% of downhole length - Negative factor: No specific cut-off grade used for grade width calculations Evidence · table > 11.32 Context: 4 #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 3.2 **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 "resource" ### SPRD-05 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-22) Pampa Medina · silver #### Identity - Hole ID: SPRD-05 - Project: Pampa Medina - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 144 - Grade Unit: g/t - Intercept: 4 m - True Width: 3.2 m - From: 706 m - To: 710 m - Hole Depth: 836 m - Intercept Depth: 60 m #### Classification - Deposit Type: other - Program: resource - Sample Type: drill - Group ID: SPRD-05:706-710 - Mining Method: underground #### Location - Location: Central Zone - Easting: 406796.25 - Northing: 7440950.99 - CRS: WGS84 UTM - Elevation: 1274.79 m - Azimuth: 270 ° - Dip: -60 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Metal Equivalent - Assumptions Disclosed: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This high-grade silver intercept is highly material and novel, significantly exceeding previous best results for the company and ranking well against peer deposits. The true width estimate adds confidence. - Positive factor: Silver grade \(144.0 g/t\) is strong compared to peer 75th percentile and significantly above company's prior best results - Positive factor: True width estimated at 80% of downhole length - Negative factor: No specific cut-off grade used for grade width calculations Evidence · table > 144.0 Context: 4 #### Tags used in scoring **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: true\_width\_m is 3.2 **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 "resource" ### SPRD-06 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-23) Pampa Medina · copper #### Identity - Hole ID: SPRD-06 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 1.19 - Grade Unit: % - Intercept: 96 m - From: 692 m - To: 788 m #### Classification - Deposit Type: other - Sample Type: drill #### Location - Location: Central Zone - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This copper intercept, while not the highest grade, is considered strong for a manto-type deposit and contributes to the overall resource definition. The true width estimate adds confidence. - Positive factor: Copper grade \(0.35%\) is strong for a porphyry deposit type - Positive factor: True width estimated at 80% of downhole length - Negative factor: No specific cut-off grade used for grade width calculations Evidence · text > 96m of 1.19% Cu and 11.7g/t Ag from 692m #### 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 ### SPRD-06 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-24) Pampa Medina · copper #### Identity - Hole ID: SPRD-06 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 1.8 - Grade Unit: % - Intercept: 60 m - From: 694 m - To: 754 m #### Classification - Deposit Type: other - Sample Type: drill #### Location - Location: Central Zone - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This copper intercept, while not the highest grade, is considered strong for a manto-type deposit and contributes to the overall resource definition. The true width estimate adds confidence. - Positive factor: Copper grade \(0.35%\) is strong for a porphyry deposit type - Positive factor: True width estimated at 80% of downhole length - Negative factor: No specific cut-off grade used for grade width calculations Evidence · text > 60m of 1.80% Cu and 18.4g/t Ag from 694m #### 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 ### SPRD-06 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-25) Pampa Medina · copper #### Identity - Hole ID: SPRD-06 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 5.7 - Grade Unit: % - Intercept: 16 m - From: 704 m - To: 720 m #### Classification - Deposit Type: other - Sample Type: drill #### Location - Location: Central Zone - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This copper intercept, while not the highest grade, is considered strong for a manto-type deposit and contributes to the overall resource definition. The true width estimate adds confidence. - Positive factor: Copper grade \(0.35%\) is strong for a porphyry deposit type - Positive factor: True width estimated at 80% of downhole length - Negative factor: No specific cut-off grade used for grade width calculations Evidence · text > 16m of 5.70% Cu and 62.6g/t Ag from 704m #### 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 ### SPRD-06 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-26) Pampa Medina · copper #### Identity - Hole ID: SPRD-06 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 11.32 - Grade Unit: % - Intercept: 4 m - From: 706 m - To: 710 m #### Classification - Deposit Type: other - Sample Type: drill #### Location - Location: Central Zone - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This copper intercept, while not the highest grade, is considered strong for a manto-type deposit and contributes to the overall resource definition. The true width estimate adds confidence. - Positive factor: Copper grade \(0.35%\) is strong for a porphyry deposit type - Positive factor: True width estimated at 80% of downhole length - Negative factor: No specific cut-off grade used for grade width calculations Evidence · text > 4m of 11.32% Cu and 144.0g/t Ag from 706m #### 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 ### SPRD-06 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-27) Pampa Medina · copper #### Identity - Hole ID: SPRD-06 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 0.4 - Grade Unit: % - Intercept: 22 m - From: 60 m - To: 82 m #### Classification - Deposit Type: other - Sample Type: drill #### Location - Location: Central Zone - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This copper intercept, while not the highest grade, is considered strong for a manto-type deposit and contributes to the overall resource definition. The true width estimate adds confidence. - Positive factor: Copper grade \(0.35%\) is strong for a porphyry deposit type - Positive factor: True width estimated at 80% of downhole length - Negative factor: No specific cut-off grade used for grade width calculations Evidence · text > 22m of 0.40% Cu and 1.9g/t Ag from 60m #### 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 ### SPRD-06 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-28) Pampa Medina · copper #### Identity - Hole ID: SPRD-06 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 0.3 - Grade Unit: % - Intercept: 24 m - From: 204 m - To: 228 m #### Classification - Deposit Type: other - Sample Type: drill #### Location - Location: Central Zone - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This copper intercept, while not the highest grade, is considered strong for a manto-type deposit and contributes to the overall resource definition. The true width estimate adds confidence. - Positive factor: Copper grade \(0.35%\) is strong for a porphyry deposit type - Positive factor: True width estimated at 80% of downhole length - Negative factor: No specific cut-off grade used for grade width calculations Evidence · text > 24m of 0.30% Cu and 1.8g/t Ag from 204m #### 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 ### SPRD-06 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-29) Pampa Medina · copper #### Identity - Hole ID: SPRD-06 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 1.97 - Grade Unit: % - Intercept: 22 m - From: 610 m - To: 632 m #### Classification - Deposit Type: other - Sample Type: drill #### Location - Location: Central Zone - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This copper intercept, while not the highest grade, is considered strong for a manto-type deposit and contributes to the overall resource definition. The true width estimate adds confidence. - Positive factor: Copper grade \(0.35%\) is strong for a porphyry deposit type - Positive factor: True width estimated at 80% of downhole length - Negative factor: No specific cut-off grade used for grade width calculations Evidence · text > 22m of 1.97% Cu and 9.2g/t Ag from 610m #### 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 ### SPRD-06 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-30) Pampa Medina · copper #### Identity - Hole ID: SPRD-06 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 0.35 - Grade Unit: % - Intercept: 140 m - From: 366 m - To: 506 m #### Classification - Deposit Type: other - Sample Type: drill #### Location - Location: Central Zone - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This copper intercept, while not the highest grade, is considered strong for a manto-type deposit and contributes to the overall resource definition. The true width estimate adds confidence. - Positive factor: Copper grade \(0.35%\) is strong for a porphyry deposit type - Positive factor: True width estimated at 80% of downhole length - Negative factor: No specific cut-off grade used for grade width calculations Evidence · text > 140m of 0.35% Cu from 366m #### 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 ### SPRD-06 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-31) Pampa Medina · copper #### Identity - Hole ID: SPRD-06 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 0.71 - Grade Unit: % - Intercept: 32 m - From: 468 m - To: 500 m #### Classification - Deposit Type: other - Sample Type: drill #### Location - Location: Central Zone - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This copper intercept, while not the highest grade, is considered strong for a manto-type deposit and contributes to the overall resource definition. The true width estimate adds confidence. - Positive factor: Copper grade \(0.35%\) is strong for a porphyry deposit type - Positive factor: True width estimated at 80% of downhole length - Negative factor: No specific cut-off grade used for grade width calculations Evidence · text > 32m of 0.71% Cu and 4.1 g/t Ag from 468m #### 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 ### SPRD-06 [Link to this fact](https://atlas-extractions.minestarters.com/news/pampa-medina-sulphide-drilling-intersects-16m-of-5-70-cu-and-62-6-g-t-ag-includi--3c28dc7e-2fac-4a29-97b2-061bcca04c24#fact-drill-facts-32) Pampa Medina · copper #### Identity - Hole ID: SPRD-06 - Project: Pampa Medina - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 0.95 - Grade Unit: % - Intercept: 10 m - From: 484 m - To: 494 m #### Classification - Deposit Type: other - Sample Type: drill #### Location - Location: Central Zone - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay Ltd. \(AAA\) - QA/QC Disclosed: Yes - QP Signed: Yes - QA/QC Methods: standards, blanks, duplicates #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-06-08T00:00:00.000Z Reasoning: This copper intercept, while not the highest grade, is considered strong for a manto-type deposit and contributes to the overall resource definition. The true width estimate adds confidence. - Positive factor: Copper grade \(0.35%\) is strong for a porphyry deposit type - Positive factor: True width estimated at 80% of downhole length - Negative factor: No specific cut-off grade used for grade width calculations Evidence · text > 10m of 0.95% Cu and 7.4g/t Ag from 484m #### 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.