# Marimaca Reports Further High-Grade Copper and Silver Intersections more than 600m from Pampa Medina West Step-Out Drilling Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e Original source: https://money.tmx.com/en/quote/MARI/news/7951836249733816/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60 Publisher: tmx Original announcement: 2026-03-11T11:00:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: Marimaca Copper Corp. - Ticker: MARI - Exchange: TSX - Region: Chile - Primary commodity: Copper - Secondary commodities: Silver - Document categories: Drill results - Extracted: 2026-09-14 11:00:28 UTC Narrative sentiment: 0.80 · Bullish ## Minestarters Atlas summary Marimaca Copper announced further high-grade copper and silver intersections from step-out drilling at its Pampa Medina deposit, extending mineralization over 600m to the west. Key intercepts include 74m at 1.21% Cu and 7.9 gpt Ag, and 36m at 1.08% Cu and 13.8 gpt Ag, demonstrating strong continuity and significant true thicknesses. The company plans to expand its 2026 drill program to 100,000m focusing on definition drilling and further step-outs. Reasoning: Marimaca Copper reported strong drill results from step-out drilling at Pampa Medina, extending high-grade copper-silver manto-type mineralization significantly to the west with notable widths, indicating a larger and potentially more robust deposit amenable to bulk tonnage mining. - Positive factor: High-grade copper intersections - Positive factor: Significant step-out extensions \(600m west\) - Positive factor: Demonstrates western continuity of mineralization - Positive factor: Unusually large true thicknesses \(20m-100m+\) - Positive factor: Comprehensive QA/QC disclosure and QP/CP sign-off - Positive factor: Potential for bulk tonnage mining methods - Negative factor: No copper equivalent grades reported due to lack of metallurgical programs - Negative factor: True widths are estimated \(80-90% of downhole length\) rather than precisely measured Low confidence — this extraction should be reviewed alongside the original source. Facts used in scoring: 49 ## Classification and evidence **Step-Out Extension** Polarity: positive Definition: Mineralization extended beyond the previously known limit. Why it applies: Drilling intersected high-grade manto-type copper-silver mineralization in significant step-outs west from previous step-out drilling and demonstrates the western continuity of the favourable, mineralized sediment horizons. Evidence · text > Drilling intersected high-grade manto-type copper-silver mineralization in significant step-outs west from previous step-out drilling and demonstrates the western continuity **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: 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. **QP/CP Signed** Polarity: positive Story-specific tag Definition: Qualified Person \(QP\) or Competent Person \(CP\) named and signed off — a member of a recognized professional association \(e.g., AusIMM, SME, AIG, P.Geo\) with relevant experience. Why it applies: The technical information in this news release... was prepared under the supervision of, or has been reviewed by Sergio Rivera, Vice President of Exploration, Marimaca Copper Corp... who is the Qualified Person for the purposes of NI 43-101... and a Competent Person as defined in the 2012 Edition of the Joint Ore Reserves Committee Australasian Code. Evidence · text > The technical information in this news release, including the information that relates to geology, drilling and mineralization was prepared under the supervision of, or has been reviewed by Sergio Rivera, Vice President of Exploration, Marimaca Copper Corp, a geologist with more than 40 years of experience and a member of the Colegio de Geólogos de Chile and of the Institute of Mining Engineers of Chile, and who is the Qualified Person for the purposes of NI 43-101 responsible for the design and execution of the drilling program. The information in this announcement which relates to exploration results for the Pampa Medina Project is based on, and fairly reflects, information and supporting documentation prepared by Sergio Rivera, VP Exploration of Marimaca, a Competent Person who is a member of the Comision Minera \(Chilean Mining Commission\), Colegio de Geólogos de Chile and of the Institute of Mining Engineers of Chile. Mr. Rivera has sufficient experience that is relevant to the style of mineralisation and types of deposit under consideration and to the activity being undertaken to qualify as a Competent Person as defined in the 2012 Edition of the Joint Ore Reserves Committee Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves. Mr. Rivera consents to the inclusion in this announcement of the matters based on his information in the form and context in which it appears. **Compositing Transparent** Polarity: positive Definition: Cut-off grade and internal dilution rules are clearly stated for reported intervals. Why it applies: Length weighted averages were used to calculate grade over width. No specific grade cap or cut-off was used during grade width calculations. Evidence · text > Length weighted averages were used to calculate grade over width. No specific grade cap or cut-off was used during grade width calculations. **Apparent Width Only** Polarity: negative Definition: Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness. Why it applies: True widths are estimated at 80-90% of the reported downhole intersection, however drilling generally targets subparallel intersections of the mineralized manto units... All intersections are reported on a downhole basis. Evidence · text > True widths are estimated at 80-90% of the reported downhole intersection, however drilling generally targets subparallel intersections of the mineralized manto units as understood/interpreted at the time of drilling All intersections are reported on a downhole basis. ## Extracted facts Stored fact records: 49. Some facts used in scoring do not have a stored record. ## Drill Results (49) ### SWRD-01 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-0) Pampa Medina West · copper #### Identity - Hole ID: SWRD-01 - Project: Pampa Medina West - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 1.43 - Grade Unit: % - Intercept: 38 m - From: 694 m - To: 732 m - Hole Depth: 955.6 m - Intercept Depth: 694 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-01:694-732 - Mining Method: open\_pit #### Location - Easting: 406194.26 - Northing: 7440803.69 - CRS: WGS84 UTM - Elevation: 1288.92 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: This intercept shows a strong copper grade over a good width, contributing to the overall positive step-out results at Pampa Medina. - Positive factor: Strong copper grade \(1.43%\) - Positive factor: Good intercept length \(38m\) - Positive factor: Part of significant step-out drilling Evidence · table > 1.43 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 ### SWRD-01 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-1) Pampa Medina West · silver #### Identity - Hole ID: SWRD-01 - Project: Pampa Medina West - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 11.8 - Grade Unit: g/t - Intercept: 38 m - From: 694 m - To: 732 m - Hole Depth: 955.6 m - Intercept Depth: 694 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-01:694-732 - Mining Method: open\_pit #### Location - Easting: 406194.26 - Northing: 7440803.69 - CRS: WGS84 UTM - Elevation: 1288.92 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: The silver grade is low but provides a by-product credit alongside the primary copper mineralization. - Positive factor: Silver by-product credit - Negative factor: Low silver grade \(11.8 gpt\) Evidence · table > 11.8 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 ### SWRD-01 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-2) Pampa Medina West · copper #### Identity - Hole ID: SWRD-01 - Project: Pampa Medina West - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 2.11 - Grade Unit: % - Intercept: 8 m - From: 694 m - To: 702 m - Hole Depth: 955.6 m - Intercept Depth: 694 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-01:694-702 - Mining Method: open\_pit #### Location - Easting: 406194.26 - Northing: 7440803.69 - CRS: WGS84 UTM - Elevation: 1288.92 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: This high-grade sub-interval significantly enhances the overall quality of the broader intercept, indicating a richer zone within the mineralization. - Positive factor: High-grade copper \(2.11%\) - Positive factor: Contributes to overall strong intercept Evidence · table > 2.11 Context: 8 #### 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 ### SWRD-01 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-3) Pampa Medina West · silver #### Identity - Hole ID: SWRD-01 - Project: Pampa Medina West - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 15.5 - Grade Unit: g/t - Intercept: 8 m - From: 694 m - To: 702 m - Hole Depth: 955.6 m - Intercept Depth: 694 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-01:694-702 - Mining Method: open\_pit #### Location - Easting: 406194.26 - Northing: 7440803.69 - CRS: WGS84 UTM - Elevation: 1288.92 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: The silver grade is low but provides a by-product credit alongside the primary copper mineralization. - Positive factor: Silver by-product credit - Negative factor: Low silver grade \(15.5 gpt\) Evidence · table > 15.5 Context: 8 #### 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 ### SWRD-01 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-4) Pampa Medina West · copper #### Identity - Hole ID: SWRD-01 - Project: Pampa Medina West - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 1.86 - Grade Unit: % - Intercept: 14 m - From: 718 m - To: 732 m - Hole Depth: 955.6 m - Intercept Depth: 694 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-01:718-732 - Mining Method: open\_pit #### Location - Easting: 406194.26 - Northing: 7440803.69 - CRS: WGS84 UTM - Elevation: 1288.92 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: This high-grade sub-interval further enhances the overall quality of the broader intercept, indicating another rich zone within the mineralization. - Positive factor: High-grade copper \(1.86%\) - Positive factor: Contributes to overall strong intercept Evidence · table > 1.86 Context: 14 #### 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 ### SWRD-01 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-5) Pampa Medina West · silver #### Identity - Hole ID: SWRD-01 - Project: Pampa Medina West - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 19.3 - Grade Unit: g/t - Intercept: 14 m - From: 718 m - To: 732 m - Hole Depth: 955.6 m - Intercept Depth: 694 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-01:718-732 - Mining Method: open\_pit #### Location - Easting: 406194.26 - Northing: 7440803.69 - CRS: WGS84 UTM - Elevation: 1288.92 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: The silver grade is low but provides a by-product credit alongside the primary copper mineralization. - Positive factor: Silver by-product credit - Negative factor: Low silver grade \(19.3 gpt\) Evidence · table > 19.3 Context: 14 #### 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 ### SWRD-01 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-6) Pampa Medina West · copper #### Identity - Hole ID: SWRD-01 - Project: Pampa Medina West - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 0.84 - Grade Unit: % - Intercept: 20 m - From: 848 m - To: 868 m - Hole Depth: 955.6 m - Intercept Depth: 694 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-01:848-868 - Mining Method: open\_pit #### Location - Easting: 406194.26 - Northing: 7440803.69 - CRS: WGS84 UTM - Elevation: 1288.92 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: This intercept shows moderate copper mineralization over a good width, indicating continued presence of mineralization at depth. - Positive factor: Moderate copper grade \(0.84%\) - Positive factor: Good intercept length \(20m\) Evidence · table > 0.84 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 ### SWRD-01 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-7) Pampa Medina West · silver #### Identity - Hole ID: SWRD-01 - Project: Pampa Medina West - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 3 - Grade Unit: g/t - Intercept: 20 m - From: 848 m - To: 868 m - Hole Depth: 955.6 m - Intercept Depth: 694 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-01:848-868 - Mining Method: open\_pit #### Location - Easting: 406194.26 - Northing: 7440803.69 - CRS: WGS84 UTM - Elevation: 1288.92 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: The silver grade is very low, providing minimal by-product credit. - Positive factor: Silver by-product credit - Negative factor: Very low silver grade \(3 gpt\) Evidence · table > 3.0 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 ### SWRD-02 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-8) Pampa Medina West · copper #### Identity - Hole ID: SWRD-02 - Project: Pampa Medina West - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 1.21 - Grade Unit: % - Intercept: 74 m - From: 520 m - To: 594 m - Hole Depth: 944 m - Intercept Depth: 520 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-02:520-594 - Mining Method: open\_pit #### Location - Easting: 406198.93 - Northing: 7440504.24 - CRS: WGS84 UTM - Elevation: 1287 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: This is a highly material intercept with strong copper grade over an exceptional width, confirming significant western extension of the mineralization. - Positive factor: Strong copper grade \(1.21%\) - Positive factor: Exceptional intercept length \(74m\) - Positive factor: Located 600m west of previous drilling, demonstrating significant extension Evidence · table > 1.21 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 ### SWRD-02 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-9) Pampa Medina West · silver #### Identity - Hole ID: SWRD-02 - Project: Pampa Medina West - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 7.9 - Grade Unit: g/t - Intercept: 74 m - From: 520 m - To: 594 m - Hole Depth: 944 m - Intercept Depth: 520 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-02:520-594 - Mining Method: open\_pit #### Location - Easting: 406198.93 - Northing: 7440504.24 - CRS: WGS84 UTM - Elevation: 1287 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: The silver grade is low but provides a by-product credit alongside the primary copper mineralization. - Positive factor: Silver by-product credit - Negative factor: Low silver grade \(7.9 gpt\) Evidence · table > 7.9 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 ### SWRD-02 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-10) Pampa Medina West · copper #### Identity - Hole ID: SWRD-02 - Project: Pampa Medina West - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 1.62 - Grade Unit: % - Intercept: 48 m - From: 520 m - To: 568 m - Hole Depth: 944 m - Intercept Depth: 520 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-02:520-568 - Mining Method: open\_pit #### Location - Easting: 406198.93 - Northing: 7440504.24 - CRS: WGS84 UTM - Elevation: 1287 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: This high-grade sub-interval significantly enhances the overall quality of the broader intercept, indicating a very rich zone within the mineralization. - Positive factor: Strong copper grade \(1.62%\) - Positive factor: Excellent intercept length \(48m\) - Positive factor: Enhances overall significant intercept Evidence · table > 1.62 Context: 48 #### 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 ### SWRD-02 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-11) Pampa Medina West · silver #### Identity - Hole ID: SWRD-02 - Project: Pampa Medina West - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 11.5 - Grade Unit: g/t - Intercept: 48 m - From: 520 m - To: 568 m - Hole Depth: 944 m - Intercept Depth: 520 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-02:520-568 - Mining Method: open\_pit #### Location - Easting: 406198.93 - Northing: 7440504.24 - CRS: WGS84 UTM - Elevation: 1287 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: The silver grade is low but provides a by-product credit alongside the primary copper mineralization. - Positive factor: Silver by-product credit - Negative factor: Low silver grade \(11.5 gpt\) Evidence · table > 11.5 Context: 48 #### 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 ### SWRD-02 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-12) Pampa Medina West · copper #### Identity - Hole ID: SWRD-02 - Project: Pampa Medina West - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 2.07 - Grade Unit: % - Intercept: 12 m - From: 532 m - To: 544 m - Hole Depth: 944 m - Intercept Depth: 520 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-02:532-544 - Mining Method: open\_pit #### Location - Easting: 406198.93 - Northing: 7440504.24 - CRS: WGS84 UTM - Elevation: 1287 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: This high-grade sub-interval further enhances the overall quality of the broader intercept, indicating a very rich zone within the mineralization. - Positive factor: High-grade copper \(2.07%\) - Positive factor: Good intercept length \(12m\) - Positive factor: Enhances overall significant intercept Evidence · table > 2.07 Context: 12 #### 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 ### SWRD-02 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-13) Pampa Medina West · silver #### Identity - Hole ID: SWRD-02 - Project: Pampa Medina West - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 17.2 - Grade Unit: g/t - Intercept: 12 m - From: 532 m - To: 544 m - Hole Depth: 944 m - Intercept Depth: 520 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-02:532-544 - Mining Method: open\_pit #### Location - Easting: 406198.93 - Northing: 7440504.24 - CRS: WGS84 UTM - Elevation: 1287 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: The silver grade is low but provides a by-product credit alongside the primary copper mineralization. - Positive factor: Silver by-product credit - Negative factor: Low silver grade \(17.2 gpt\) Evidence · table > 17.2 Context: 12 #### 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 ### SWRD-02 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-14) Pampa Medina West · copper #### Identity - Hole ID: SWRD-02 - Project: Pampa Medina West - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 0.52 - Grade Unit: % - Intercept: 28 m - From: 814 m - To: 842 m - Hole Depth: 944 m - Intercept Depth: 520 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-02:814-842 - Mining Method: open\_pit #### Location - Easting: 406198.93 - Northing: 7440504.24 - CRS: WGS84 UTM - Elevation: 1287 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: This intercept shows moderate copper mineralization over a good width, indicating continued presence of mineralization at depth. - Positive factor: Moderate copper grade \(0.52%\) - Positive factor: Good intercept length \(28m\) Evidence · table > 0.52 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 ### SWRD-03 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-15) Pampa Medina West · copper #### Identity - Hole ID: SWRD-03 - Project: Pampa Medina West - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 0.55 - Grade Unit: % - Intercept: 18 m - From: 736 m - To: 754 m - Hole Depth: 956 m - Intercept Depth: 736 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-03:736-754 - Mining Method: open\_pit #### Location - Easting: 405899.9 - Northing: 7440801.41 - CRS: WGS84 UTM - Elevation: 1296.05 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: This intercept shows moderate copper mineralization over a good width, indicating continued presence of mineralization. - Positive factor: Moderate copper grade \(0.55%\) - Positive factor: Good intercept length \(18m\) Evidence · table > 0.55 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 ### SWRD-03 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-16) Pampa Medina West · copper #### Identity - Hole ID: SWRD-03 - Project: Pampa Medina West - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 0.49 - Grade Unit: % - Intercept: 58 m - From: 822 m - To: 880 m - Hole Depth: 956 m - Intercept Depth: 736 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-03:822-880 - Mining Method: open\_pit #### Location - Easting: 405899.9 - Northing: 7440801.41 - CRS: WGS84 UTM - Elevation: 1296.05 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: This intercept shows moderate copper mineralization over an excellent width, indicating a substantial mineralized zone. - Positive factor: Moderate copper grade \(0.49%\) - Positive factor: Excellent intercept length \(58m\) Evidence · table > 0.49 Context: 58 #### 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 ### SWRD-03 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-17) Pampa Medina West · silver #### Identity - Hole ID: SWRD-03 - Project: Pampa Medina West - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 3.3 - Grade Unit: g/t - Intercept: 58 m - From: 822 m - To: 880 m - Hole Depth: 956 m - Intercept Depth: 736 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-03:822-880 - Mining Method: open\_pit #### Location - Easting: 405899.9 - Northing: 7440801.41 - CRS: WGS84 UTM - Elevation: 1296.05 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: The silver grade is very low, providing minimal by-product credit. - Positive factor: Silver by-product credit - Negative factor: Very low silver grade \(3.3 gpt\) Evidence · table > 3.3 Context: 58 #### 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 ### SWRD-03 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-18) Pampa Medina West · copper #### Identity - Hole ID: SWRD-03 - Project: Pampa Medina West - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 0.72 - Grade Unit: % - Intercept: 28 m - From: 840 m - To: 868 m - Hole Depth: 956 m - Intercept Depth: 736 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-03:840-868 - Mining Method: open\_pit #### Location - Easting: 405899.9 - Northing: 7440801.41 - CRS: WGS84 UTM - Elevation: 1296.05 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: This intercept shows moderate copper mineralization over a good width, contributing to the overall mineralized zone. - Positive factor: Moderate copper grade \(0.72%\) - Positive factor: Good intercept length \(28m\) Evidence · table > 0.72 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 ### SWRD-03 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-19) Pampa Medina West · silver #### Identity - Hole ID: SWRD-03 - Project: Pampa Medina West - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 5.9 - Grade Unit: g/t - Intercept: 28 m - From: 840 m - To: 868 m - Hole Depth: 956 m - Intercept Depth: 736 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-03:840-868 - Mining Method: open\_pit #### Location - Easting: 405899.9 - Northing: 7440801.41 - CRS: WGS84 UTM - Elevation: 1296.05 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: The silver grade is very low, providing minimal by-product credit. - Positive factor: Silver by-product credit - Negative factor: Very low silver grade \(5.9 gpt\) Evidence · table > 5.9 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 ### SWRD-04 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-20) Pampa Medina West · copper #### Identity - Hole ID: SWRD-04 - Project: Pampa Medina West - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 0.49 - Grade Unit: % - Intercept: 58 m - From: 322 m - To: 380 m - Hole Depth: 898 m - Intercept Depth: 322 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-04:322-380 - Mining Method: open\_pit #### Location - Easting: 405900.19 - Northing: 7440502.19 - CRS: WGS84 UTM - Elevation: 1293.18 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: This intercept shows moderate copper mineralization over an excellent width, despite being affected by dyking, indicating a substantial mineralized zone. - Positive factor: Moderate copper grade \(0.49%\) - Positive factor: Excellent intercept length \(58m\) - Negative factor: Mineralization affected by dyking Evidence · table > 0.49 Context: 58 #### 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 ### SWRD-04 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-21) Pampa Medina West · copper #### Identity - Hole ID: SWRD-04 - Project: Pampa Medina West - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 1 - Grade Unit: % - Intercept: 16 m - From: 332 m - To: 348 m - Hole Depth: 898 m - Intercept Depth: 322 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-04:332-348 - Mining Method: open\_pit #### Location - Easting: 405900.19 - Northing: 7440502.19 - CRS: WGS84 UTM - Elevation: 1293.18 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: This intercept shows a strong copper grade over a good width, contributing to the overall mineralized zone. - Positive factor: Strong copper grade \(1.00%\) - Positive factor: Good intercept length \(16m\) Evidence · table > 1.00 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 ### SWRD-04 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-22) Pampa Medina West · silver #### Identity - Hole ID: SWRD-04 - Project: Pampa Medina West - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 5.9 - Grade Unit: g/t - Intercept: 16 m - From: 332 m - To: 348 m - Hole Depth: 898 m - Intercept Depth: 322 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-04:332-348 - Mining Method: open\_pit #### Location - Easting: 405900.19 - Northing: 7440502.19 - CRS: WGS84 UTM - Elevation: 1293.18 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: The silver grade is very low, providing minimal by-product credit. - Positive factor: Silver by-product credit - Negative factor: Very low silver grade \(5.9 gpt\) Evidence · table > 5.9 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 ### SWRD-04 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-23) Pampa Medina West · copper #### Identity - Hole ID: SWRD-04 - Project: Pampa Medina West - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 2.51 - Grade Unit: % - Intercept: 4 m - From: 338 m - To: 342 m - Hole Depth: 898 m - Intercept Depth: 322 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-04:338-342 - Mining Method: open\_pit #### Location - Easting: 405900.19 - Northing: 7440502.19 - CRS: WGS84 UTM - Elevation: 1293.18 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: This exceptional copper grade over a narrow width significantly enhances the overall quality of the broader intercept, indicating a very rich zone. - Positive factor: Exceptional copper grade \(2.51%\) - Positive factor: Enhances overall intercept Evidence · table > 2.51 Context: 4 #### 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 ### SWRD-04 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-24) Pampa Medina West · silver #### Identity - Hole ID: SWRD-04 - Project: Pampa Medina West - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 14.5 - Grade Unit: g/t - Intercept: 4 m - From: 338 m - To: 342 m - Hole Depth: 898 m - Intercept Depth: 322 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-04:338-342 - Mining Method: open\_pit #### Location - Easting: 405900.19 - Northing: 7440502.19 - CRS: WGS84 UTM - Elevation: 1293.18 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: The silver grade is low but provides a by-product credit alongside the primary copper mineralization. - Positive factor: Silver by-product credit - Negative factor: Low silver grade \(14.5 gpt\) Evidence · table > 14.5 Context: 4 #### 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 ### SWRD-04 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-25) Pampa Medina West · copper #### Identity - Hole ID: SWRD-04 - Project: Pampa Medina West - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 1.17 - Grade Unit: % - Intercept: 8 m - From: 368 m - To: 376 m - Hole Depth: 898 m - Intercept Depth: 322 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-04:368-376 - Mining Method: open\_pit #### Location - Easting: 405900.19 - Northing: 7440502.19 - CRS: WGS84 UTM - Elevation: 1293.18 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: This intercept shows a strong copper grade over a narrow width, contributing to the overall mineralized zone. - Positive factor: Strong copper grade \(1.17%\) - Positive factor: Contributes to overall intercept Evidence · table > 1.17 Context: 8 #### 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 ### SWRD-04 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-26) Pampa Medina West · silver #### Identity - Hole ID: SWRD-04 - Project: Pampa Medina West - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 5 - Grade Unit: g/t - Intercept: 8 m - From: 368 m - To: 376 m - Hole Depth: 898 m - Intercept Depth: 322 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-04:368-376 - Mining Method: open\_pit #### Location - Easting: 405900.19 - Northing: 7440502.19 - CRS: WGS84 UTM - Elevation: 1293.18 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: The silver grade is very low, providing minimal by-product credit. - Positive factor: Silver by-product credit - Negative factor: Very low silver grade \(5.0 gpt\) Evidence · table > 5.0 Context: 8 #### 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 ### SWRD-04 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-27) Pampa Medina West · copper #### Identity - Hole ID: SWRD-04 - Project: Pampa Medina West - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 0.71 - Grade Unit: % - Intercept: 10 m - From: 660 m - To: 670 m - Hole Depth: 898 m - Intercept Depth: 322 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-04:660-670 - Mining Method: open\_pit #### Location - Easting: 405900.19 - Northing: 7440502.19 - CRS: WGS84 UTM - Elevation: 1293.18 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: This intercept shows moderate copper mineralization over a good width, despite being affected by intrusions, indicating continued presence of mineralization. - Positive factor: Moderate copper grade \(0.71%\) - Positive factor: Good intercept length \(10m\) - Negative factor: Mineralization affected by intrusions Evidence · table > 0.71 Context: 10 #### 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 ### SWRD-04 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-28) Pampa Medina West · silver #### Identity - Hole ID: SWRD-04 - Project: Pampa Medina West - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 6.4 - Grade Unit: g/t - Intercept: 10 m - From: 660 m - To: 670 m - Hole Depth: 898 m - Intercept Depth: 322 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-04:660-670 - Mining Method: open\_pit #### Location - Easting: 405900.19 - Northing: 7440502.19 - CRS: WGS84 UTM - Elevation: 1293.18 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: The silver grade is very low, providing minimal by-product credit. - Positive factor: Silver by-product credit - Negative factor: Very low silver grade \(6.4 gpt\) Evidence · table > 6.4 Context: 10 #### 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 ### SWRD-04 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-29) Pampa Medina West · copper #### Identity - Hole ID: SWRD-04 - Project: Pampa Medina West - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 1.06 - Grade Unit: % - Intercept: 4 m - From: 706 m - To: 710 m - Hole Depth: 898 m - Intercept Depth: 322 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-04:706-710 - Mining Method: open\_pit #### Location - Easting: 405900.19 - Northing: 7440502.19 - CRS: WGS84 UTM - Elevation: 1293.18 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: This intercept shows a strong copper grade over a narrow width, despite being affected by intrusions, indicating continued presence of mineralization. - Positive factor: Strong copper grade \(1.06%\) - Negative factor: Mineralization affected by intrusions Evidence · table > 1.06 Context: 4 #### 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 ### SWRD-04 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-30) Pampa Medina West · silver #### Identity - Hole ID: SWRD-04 - Project: Pampa Medina West - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 8.5 - Grade Unit: g/t - Intercept: 4 m - From: 706 m - To: 710 m - Hole Depth: 898 m - Intercept Depth: 322 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-04:706-710 - Mining Method: open\_pit #### Location - Easting: 405900.19 - Northing: 7440502.19 - CRS: WGS84 UTM - Elevation: 1293.18 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: The silver grade is low, providing minimal by-product credit. - Positive factor: Silver by-product credit - Negative factor: Low silver grade \(8.5 gpt\) Evidence · table > 8.5 Context: 4 #### 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 ### SWRD-04 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-31) Pampa Medina West · copper #### Identity - Hole ID: SWRD-04 - Project: Pampa Medina West - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 1.08 - Grade Unit: % - Intercept: 4 m - From: 820 m - To: 824 m - Hole Depth: 898 m - Intercept Depth: 322 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-04:820-824 - Mining Method: open\_pit #### Location - Easting: 405900.19 - Northing: 7440502.19 - CRS: WGS84 UTM - Elevation: 1293.18 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: This intercept shows a strong copper grade over a narrow width, despite being affected by intrusions, indicating continued presence of mineralization. - Positive factor: Strong copper grade \(1.08%\) - Negative factor: Mineralization affected by intrusions Evidence · table > 1.08 Context: 4 #### 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 ### SWRD-04 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-32) Pampa Medina West · silver #### Identity - Hole ID: SWRD-04 - Project: Pampa Medina West - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 17 - Grade Unit: g/t - Intercept: 4 m - From: 820 m - To: 824 m - Hole Depth: 898 m - Intercept Depth: 322 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-04:820-824 - Mining Method: open\_pit #### Location - Easting: 405900.19 - Northing: 7440502.19 - CRS: WGS84 UTM - Elevation: 1293.18 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: The silver grade is low, providing minimal by-product credit. - Positive factor: Silver by-product credit - Negative factor: Low silver grade \(17.0 gpt\) Evidence · table > 17.0 Context: 4 #### 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 ### SWRD-04 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-33) Pampa Medina West · copper #### Identity - Hole ID: SWRD-04 - Project: Pampa Medina West - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 0.85 - Grade Unit: % - Intercept: 6 m - From: 836 m - To: 842 m - Hole Depth: 898 m - Intercept Depth: 322 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-04:836-842 - Mining Method: open\_pit #### Location - Easting: 405900.19 - Northing: 7440502.19 - CRS: WGS84 UTM - Elevation: 1293.18 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: This intercept shows moderate copper mineralization over a narrow width, despite being affected by intrusions, indicating continued presence of mineralization. - Positive factor: Moderate copper grade \(0.85%\) - Negative factor: Mineralization affected by intrusions Evidence · table > 0.85 Context: 6 #### 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 ### SWRD-04 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-34) Pampa Medina West · silver #### Identity - Hole ID: SWRD-04 - Project: Pampa Medina West - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 9.7 - Grade Unit: g/t - Intercept: 6 m - From: 836 m - To: 842 m - Hole Depth: 898 m - Intercept Depth: 322 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SWRD-04:836-842 - Mining Method: open\_pit #### Location - Easting: 405900.19 - Northing: 7440502.19 - CRS: WGS84 UTM - Elevation: 1293.18 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: The silver grade is low, providing minimal by-product credit. - Positive factor: Silver by-product credit - Negative factor: Low silver grade \(9.7 gpt\) Evidence · table > 9.7 Context: 6 #### 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 ### SMRD-34 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-35) Pampa Medina West · copper #### Identity - Hole ID: SMRD-34 - Project: Pampa Medina West - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 0.9 - Grade Unit: % - Intercept: 46 m - From: 148 m - To: 194 m - Hole Depth: 950 m - Intercept Depth: 148 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SMRD-34:148-194 - Mining Method: open\_pit #### Location - Easting: 406399.17 - Northing: 7440496.46 - CRS: WGS84 UTM - Elevation: 1282.63 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: This intercept shows moderate copper mineralization over an excellent width, providing infill data between significant step-out holes. - Positive factor: Moderate copper grade \(0.90%\) - Positive factor: Excellent intercept length \(46m\) - Positive factor: Drilled on 300m spacing between previous holes Evidence · table > 0.90 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 ### SMRD-34 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-36) Pampa Medina West · silver #### Identity - Hole ID: SMRD-34 - Project: Pampa Medina West - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 10.8 - Grade Unit: g/t - Intercept: 46 m - From: 148 m - To: 194 m - Hole Depth: 950 m - Intercept Depth: 148 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SMRD-34:148-194 - Mining Method: open\_pit #### Location - Easting: 406399.17 - Northing: 7440496.46 - CRS: WGS84 UTM - Elevation: 1282.63 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: The silver grade is low but provides a by-product credit alongside the primary copper mineralization. - Positive factor: Silver by-product credit - Negative factor: Low silver grade \(10.8 gpt\) Evidence · table > 10.8 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 ### SMRD-34 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-37) Pampa Medina West · copper #### Identity - Hole ID: SMRD-34 - Project: Pampa Medina West - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 1.08 - Grade Unit: % - Intercept: 36 m - From: 158 m - To: 194 m - Hole Depth: 950 m - Intercept Depth: 148 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SMRD-34:158-194 - Mining Method: open\_pit #### Location - Easting: 406399.17 - Northing: 7440496.46 - CRS: WGS84 UTM - Elevation: 1282.63 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: This strong copper grade over a good width enhances the overall quality of the broader intercept, indicating a richer zone. - Positive factor: Strong copper grade \(1.08%\) - Positive factor: Good intercept length \(36m\) - Positive factor: Enhances overall intercept Evidence · table > 1.08 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 ### SMRD-34 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-38) Pampa Medina West · silver #### Identity - Hole ID: SMRD-34 - Project: Pampa Medina West - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 13.8 - Grade Unit: g/t - Intercept: 36 m - From: 158 m - To: 194 m - Hole Depth: 950 m - Intercept Depth: 148 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SMRD-34:158-194 - Mining Method: open\_pit #### Location - Easting: 406399.17 - Northing: 7440496.46 - CRS: WGS84 UTM - Elevation: 1282.63 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: The silver grade is low but provides a by-product credit alongside the primary copper mineralization. - Positive factor: Silver by-product credit - Negative factor: Low silver grade \(13.8 gpt\) Evidence · table > 13.8 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 ### SMRD-34 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-39) Pampa Medina West · copper #### Identity - Hole ID: SMRD-34 - Project: Pampa Medina West - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 3.01 - Grade Unit: % - Intercept: 6 m - From: 166 m - To: 172 m - Hole Depth: 950 m - Intercept Depth: 148 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SMRD-34:166-172 - Mining Method: open\_pit #### Location - Easting: 406399.17 - Northing: 7440496.46 - CRS: WGS84 UTM - Elevation: 1282.63 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: This exceptional copper grade over a narrow width significantly enhances the overall quality of the broader intercept, indicating a very rich zone. - Positive factor: Exceptional copper grade \(3.01%\) - Positive factor: Enhances overall intercept Evidence · table > 3.01 Context: 6 #### 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 ### SMRD-34 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-40) Pampa Medina West · silver #### Identity - Hole ID: SMRD-34 - Project: Pampa Medina West - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 37.3 - Grade Unit: g/t - Intercept: 6 m - From: 166 m - To: 172 m - Hole Depth: 950 m - Intercept Depth: 148 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SMRD-34:166-172 - Mining Method: open\_pit #### Location - Easting: 406399.17 - Northing: 7440496.46 - CRS: WGS84 UTM - Elevation: 1282.63 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: This moderate silver grade provides a good by-product credit alongside the exceptional copper mineralization. - Positive factor: Moderate silver grade \(37.3 gpt\) - Positive factor: Silver by-product credit Evidence · table > 37.3 Context: 6 #### 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 ### SMRD-34 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-41) Pampa Medina West · copper #### Identity - Hole ID: SMRD-34 - Project: Pampa Medina West - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 0.57 - Grade Unit: % - Intercept: 110 m - From: 600 m - To: 710 m - Hole Depth: 950 m - Intercept Depth: 148 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SMRD-34:600-710 - Mining Method: open\_pit #### Location - Easting: 406399.17 - Northing: 7440496.46 - CRS: WGS84 UTM - Elevation: 1282.63 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: This intercept shows moderate copper mineralization over an exceptional width, providing significant infill data between step-out holes and indicating a very large mineralized zone. - Positive factor: Moderate copper grade \(0.57%\) - Positive factor: Exceptional intercept length \(110m\) - Positive factor: Drilled on 300m spacing between previous holes Evidence · table > 0.57 Context: 110 #### 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 ### SMRD-34 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-42) Pampa Medina West · silver #### Identity - Hole ID: SMRD-34 - Project: Pampa Medina West - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 3.9 - Grade Unit: g/t - Intercept: 110 m - From: 600 m - To: 710 m - Hole Depth: 950 m - Intercept Depth: 148 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SMRD-34:600-710 - Mining Method: open\_pit #### Location - Easting: 406399.17 - Northing: 7440496.46 - CRS: WGS84 UTM - Elevation: 1282.63 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: The silver grade is very low, providing minimal by-product credit. - Positive factor: Silver by-product credit - Negative factor: Very low silver grade \(3.9 gpt\) Evidence · table > 3.9 Context: 110 #### 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 ### SMRD-34 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-43) Pampa Medina West · copper #### Identity - Hole ID: SMRD-34 - Project: Pampa Medina West - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 1.37 - Grade Unit: % - Intercept: 24 m - From: 600 m - To: 624 m - Hole Depth: 950 m - Intercept Depth: 148 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SMRD-34:600-624 - Mining Method: open\_pit #### Location - Easting: 406399.17 - Northing: 7440496.46 - CRS: WGS84 UTM - Elevation: 1282.63 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: This strong copper grade over a good width significantly enhances the overall quality of the broader intercept, indicating a richer zone within the mineralization. - Positive factor: Strong copper grade \(1.37%\) - Positive factor: Good intercept length \(24m\) - Positive factor: Enhances overall exceptional intercept Evidence · table > 1.37 Context: 24 #### 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 ### SMRD-34 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-44) Pampa Medina West · silver #### Identity - Hole ID: SMRD-34 - Project: Pampa Medina West - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 12.2 - Grade Unit: g/t - Intercept: 24 m - From: 600 m - To: 624 m - Hole Depth: 950 m - Intercept Depth: 148 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SMRD-34:600-624 - Mining Method: open\_pit #### Location - Easting: 406399.17 - Northing: 7440496.46 - CRS: WGS84 UTM - Elevation: 1282.63 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: The silver grade is low but provides a by-product credit alongside the primary copper mineralization. - Positive factor: Silver by-product credit - Negative factor: Low silver grade \(12.2 gpt\) Evidence · table > 12.2 Context: 24 #### 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 ### SMRD-34 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-45) Pampa Medina West · copper #### Identity - Hole ID: SMRD-34 - Project: Pampa Medina West - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 2.58 - Grade Unit: % - Intercept: 10 m - From: 606 m - To: 616 m - Hole Depth: 950 m - Intercept Depth: 148 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SMRD-34:606-616 - Mining Method: open\_pit #### Location - Easting: 406399.17 - Northing: 7440496.46 - CRS: WGS84 UTM - Elevation: 1282.63 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: This exceptional copper grade over a good width significantly enhances the overall quality of the broader intercept, indicating a very rich zone within the mineralization. - Positive factor: Exceptional copper grade \(2.58%\) - Positive factor: Good intercept length \(10m\) - Positive factor: Enhances overall exceptional intercept Evidence · table > 2.58 Context: 10 #### 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 ### SMRD-34 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-46) Pampa Medina West · silver #### Identity - Hole ID: SMRD-34 - Project: Pampa Medina West - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 25.8 - Grade Unit: g/t - Intercept: 10 m - From: 606 m - To: 616 m - Hole Depth: 950 m - Intercept Depth: 148 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SMRD-34:606-616 - Mining Method: open\_pit #### Location - Easting: 406399.17 - Northing: 7440496.46 - CRS: WGS84 UTM - Elevation: 1282.63 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: The silver grade is weak but provides a by-product credit alongside the exceptional copper mineralization. - Positive factor: Silver by-product credit - Negative factor: Weak silver grade \(25.8 gpt\) Evidence · table > 25.8 Context: 10 #### 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 ### SMRD-34 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-47) Pampa Medina West · copper #### Identity - Hole ID: SMRD-34 - Project: Pampa Medina West - Commodity: copper - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 0.92 - Grade Unit: % - Intercept: 10 m - From: 684 m - To: 694 m - Hole Depth: 950 m - Intercept Depth: 148 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SMRD-34:684-694 - Mining Method: open\_pit #### Location - Easting: 406399.17 - Northing: 7440496.46 - CRS: WGS84 UTM - Elevation: 1282.63 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: This intercept shows moderate copper mineralization over a good width, contributing to the overall exceptional intercept. - Positive factor: Moderate copper grade \(0.92%\) - Positive factor: Good intercept length \(10m\) Evidence · table > 0.92 Context: 10 #### 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 ### SMRD-34 [Link to this fact](https://atlas-extractions.minestarters.com/news/marimaca-reports-further-high-grade-copper-and-silver-intersections-more-than-60--c5fb4e0f-a3d7-48cd-8ef1-afbd4c88a66e#fact-drill-facts-48) Pampa Medina West · silver #### Identity - Hole ID: SMRD-34 - Project: Pampa Medina West - Commodity: silver - Region: chile - Reported Region: chile - Ticker: MARI #### Geometry - Grade: 5.8 - Grade Unit: g/t - Intercept: 10 m - From: 684 m - To: 694 m - Hole Depth: 950 m - Intercept Depth: 148 m #### Classification - Deposit Type: other - Program: exploration - Sample Type: drill - Group ID: SMRD-34:684-694 - Mining Method: open\_pit #### Location - Easting: 406399.17 - Northing: 7440496.46 - CRS: WGS84 UTM - Elevation: 1282.63 m - Azimuth: 270 ° - Dip: -55 ° - Loc. Confidence: high - Loc. Source: document #### QA/QC - Laboratory: Andes Analytical Assay - 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: 2026-03-11T00:00:00.000Z Reasoning: The silver grade is very low, providing minimal by-product credit. - Positive factor: Silver by-product credit - Negative factor: Very low silver grade \(5.8 gpt\) Evidence · table > 5.8 Context: 10 #### 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.