# GR Silver Mining Ltd. & The 12-Month Roadmap: Systematic Drilling De-Risks San Marcial Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/gr-silver-mining-ltd-the-12-month-roadmap-systematic-drilling-de-risks-san-marci--40358958-f1e3-43ae-aa32-e9748f82c135 Original source: https://www.cruxinvestor.com/posts/gr-silver-mining-ltd-the-12-month-roadmap-systematic-drilling-de-risks-san-marcial Publisher: cruxinvestor Original announcement: 2026-08-07T00:00:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: GR Silver Mining Ltd. - Ticker: GRSL - Exchange: Unavailable - Region: Mexico - Primary commodity: Silver - Secondary commodities: Zinc, Gold - Document categories: Drill results, Other - Extracted: 2026-08-20 18:32:27 UTC Narrative sentiment: 0.80 · Bullish ## Minestarters Atlas summary GR Silver Mining is executing a 20,000-metre drilling campaign at the San Marcial project in Mexico, successfully identifying high-grade silver dilation zones. Recent step-out drilling has extended mineralization 150 metres beyond the 2023 MRE boundary and identified new gold-rich targets at depth. Reasoning: The document reports significant high-grade silver intercepts and successful step-out drilling that extends the known mineralized footprint, de-risking the resource expansion strategy. - Positive factor: Exceptional high-grade silver intercepts - Positive factor: Step-out drilling extending mineralization 150m beyond MRE boundary - Positive factor: Validation of structural dilation model - Positive factor: Identification of gold-rich stockwork at depth - Negative factor: Metallurgical variability between Plomosas and San Marcial - Negative factor: Regional security and logistical risks Facts used in scoring: 6 ## Classification and evidence **Bonanza Intercept** Polarity: positive Definition: Exceptionally high-grade zone, well above the deposit-type norm. Why it applies: Intercepts of 1,623 g/t and 8,579 g/t silver are exceptionally high grade. Evidence · text > 8,579 grams per tonne silver **True Width Disclosed** Polarity: positive Definition: Actual thickness perpendicular to structure is stated, not just downhole length. Why it applies: Multiple intercepts explicitly state 'true width'. Evidence · text > 45.1 metres true width **Step-Out Extension** Polarity: positive Definition: Mineralization extended beyond the previously known limit. Why it applies: Drilling extended high-grade silver mineralisation 150m southeast of the 2023 MRE boundary. Evidence · text > extended high-grade silver mineralisation at least 150 metres southeast of the 2023 mineral resource estimate \(MRE\) boundary ## Extracted facts Stored fact records: 6. Some facts used in scoring do not have a stored record. ## Drill Results (6) ### Fact 1 [Link to this fact](https://atlas-staging.minestarters.com/news/gr-silver-mining-ltd-the-12-month-roadmap-systematic-drilling-de-risks-san-marci--40358958-f1e3-43ae-aa32-e9748f82c135#fact-drill-facts-0) San Marcial · silver Needs review: drill\_no\_hole\_id #### Identity - Project: San Marcial - Commodity: silver - Ticker: GRSL #### Geometry - Grade: 1623 - Grade Unit: g/t - Intercept: 45.1 m - True Width: 45.1 m #### Classification - Sample Type: drill #### Review - Needs Review: Yes - Review Reason: drill\_no\_hole\_id - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-08-07T00:00:00.000Z Reasoning: 1,623 g/t silver over 45.1m is an exceptional bonanza intercept. - Positive factor: Bonanza grade intercept Evidence · text > 45.1-metre intercept grading 1,623 grams per tonne of silver ### Fact 2 [Link to this fact](https://atlas-staging.minestarters.com/news/gr-silver-mining-ltd-the-12-month-roadmap-systematic-drilling-de-risks-san-marci--40358958-f1e3-43ae-aa32-e9748f82c135#fact-drill-facts-1) San Marcial · silver Needs review: drill\_no\_hole\_id #### Identity - Project: San Marcial - Commodity: silver - Ticker: GRSL #### Geometry - Grade: 8579 - Grade Unit: g/t - Intercept: 8.25 m - True Width: 8.25 m #### Classification - Sample Type: drill #### Review - Needs Review: Yes - Review Reason: drill\_no\_hole\_id - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-08-07T00:00:00.000Z Reasoning: 8,579 g/t silver over 8.25m is an exceptional high-grade core. - Positive factor: Bonanza grade intercept Evidence · text > high-grade core of 8.25 metres true width grading 8,579 grams per tonne silver ### Fact 3 [Link to this fact](https://atlas-staging.minestarters.com/news/gr-silver-mining-ltd-the-12-month-roadmap-systematic-drilling-de-risks-san-marci--40358958-f1e3-43ae-aa32-e9748f82c135#fact-drill-facts-2) San Marcial · silver Needs review: drill\_no\_hole\_id #### Identity - Project: San Marcial - Commodity: silver - Ticker: GRSL #### Geometry - Grade: 168 - Grade Unit: g/t - Intercept: 21.9 m - True Width: 21.9 m #### Classification - Sample Type: drill #### Review - Needs Review: Yes - Review Reason: drill\_no\_hole\_id - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-08-07T00:00:00.000Z Reasoning: Confirms lateral continuity and extends mineralization 150m beyond MRE. - Positive factor: Step-out extension Evidence · text > intersected 21.9 metres true width grading 168 grams per tonne silver ### Fact 4 [Link to this fact](https://atlas-staging.minestarters.com/news/gr-silver-mining-ltd-the-12-month-roadmap-systematic-drilling-de-risks-san-marci--40358958-f1e3-43ae-aa32-e9748f82c135#fact-drill-facts-3) San Marcial · zinc Needs review: drill\_no\_hole\_id #### Identity - Project: San Marcial - Commodity: zinc - Ticker: GRSL #### Geometry - Grade: 1.41 - Grade Unit: % - Intercept: 21.9 m - True Width: 21.9 m #### Classification - Sample Type: drill #### Review - Needs Review: Yes - Review Reason: drill\_no\_hole\_id - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-08-07T00:00:00.000Z Reasoning: Zinc reported alongside silver in a step-out intercept. Evidence · text > 21.9 metres true width grading 168 grams per tonne silver and 1.41% zinc ### Fact 5 [Link to this fact](https://atlas-staging.minestarters.com/news/gr-silver-mining-ltd-the-12-month-roadmap-systematic-drilling-de-risks-san-marci--40358958-f1e3-43ae-aa32-e9748f82c135#fact-drill-facts-4) San Marcial · silver Needs review: drill\_no\_hole\_id #### Identity - Project: San Marcial - Commodity: silver - Ticker: GRSL #### Geometry - Grade: 340 - Grade Unit: g/t - Intercept: 2.85 m - True Width: 2.85 m #### Classification - Sample Type: drill #### Review - Needs Review: Yes - Review Reason: drill\_no\_hole\_id - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-08-07T00:00:00.000Z Reasoning: Identifies gold-rich stockwork system at depth. Evidence · text > 2.85 metres true width grading 340 grams per tonne silver ### Fact 6 [Link to this fact](https://atlas-staging.minestarters.com/news/gr-silver-mining-ltd-the-12-month-roadmap-systematic-drilling-de-risks-san-marci--40358958-f1e3-43ae-aa32-e9748f82c135#fact-drill-facts-5) San Marcial · gold Needs review: drill\_no\_hole\_id #### Identity - Project: San Marcial - Commodity: gold - Ticker: GRSL #### Geometry - Grade: 0.32 - Grade Unit: g/t - Intercept: 2.85 m - True Width: 2.85 m #### Classification - Sample Type: drill #### Review - Needs Review: Yes - Review Reason: drill\_no\_hole\_id - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-08-07T00:00:00.000Z Reasoning: Gold reported alongside silver in a deeper drill hole. Evidence · text > 2.85 metres true width grading 340 grams per tonne silver and 0.32 grams per tonne gold ## 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.