# Lahontan to Drill Historic Santa Fe Heap Leach Pads for Residual Gold & Silver Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/lahontan-to-drill-historic-santa-fe-heap-leach-pads-for-residual-gold-silver--a035d0dd-4503-40e6-9f5a-2d1ea7a06c1e Original source: https://money.tmx.com/en/quote/LG/news/6715739931558123/lahontan-to-drill-historic-santa-fe-heap-leach-pads-for-residual-gold-silver Publisher: tmx Original announcement: 2026-04-20T11:00:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: Lahontan Gold Corp. - Ticker: LG - Exchange: TSX - Region: Nevada - Primary commodity: Gold - Secondary commodities: Silver - Document categories: Resource update, Drill results - Extracted: 2026-09-18 06:48:23 UTC Narrative sentiment: 0.60 · Bullish ## Minestarters Atlas summary Lahontan Gold Corp. plans to commence a 95-hole sonic core drilling program to evaluate the gold and silver resource potential of historic heap leach pads at the Santa Fe Gold Mine in Nevada. The project aims to leverage existing crushed material to potentially augment mine economics at low cost. Reasoning: The announcement outlines a strategic drill program to evaluate upside potential in historic heap leach pads, which could augment existing mine economics at a low cost. - Positive factor: Planned drill program targeting historic heap leach pads for resource expansion - Positive factor: Low-cost reprocessing potential \(already crushed, no stripping\) - Positive factor: Existing NI 43-101 compliant resource base - Negative factor: Drilling is targeting historic material, which carries inherent geological uncertainty Facts used in scoring: 5 ## Classification and evidence **Step-Out Extension** Polarity: positive Definition: Mineralization extended beyond the previously known limit. Why it applies: The program aims to evaluate the upside potential of historic heap leach pads to expand the resource. Evidence · text > evaluate the upside potential of the historic HL pads **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: The company references a compliant NI 43-101 Technical Report and a Qualified Person sign-off. Evidence · text > Canadian National Instrument 43-101 compliant Indicated Mineral Resource **Resource Update** Polarity: neutral Definition: Revised estimate for an existing resource — compare to prior to assess progress. Why it applies: The document provides details on the current Indicated and Inferred mineral resources. Evidence · text > has a Canadian National Instrument 43-101 compliant Indicated Mineral Resource **Cut-off Disclosed** Polarity: positive Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison. Why it applies: A current resource fact retains the disclosed cut-off grade ## Extracted facts Stored fact records: 5. Some facts used in scoring do not have a stored record. ## Drill Results (1) ### Fact 1 [Link to this fact](https://atlas-extractions.minestarters.com/news/lahontan-to-drill-historic-santa-fe-heap-leach-pads-for-residual-gold-silver--a035d0dd-4503-40e6-9f5a-2d1ea7a06c1e#fact-drill-facts-0) Santa Fe Mine · gold Needs review: drill\_no\_hole\_id #### Identity - Project: Santa Fe Mine - Commodity: gold - Region: usa\_nv - Reported Region: usa\_nv - Ticker: LG #### Classification - Program: exploration - Sample Type: drill #### QA/QC - QP Signed: Yes - QA/QC Methods: standards #### Review - Needs Review: Yes - Review Reason: drill\_no\_hole\_id - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-04-20T00:00:00.000Z Reasoning: Planned exploration drilling to test historic material. - Positive factor: Targeting low-cost material Evidence · text > plans to drill 95 sonic core holes totalling 1,740 metres across the four historic HL pads #### Tags used in scoring **No QA/QC Disclosure** Polarity: negative Definition: Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document. Why it applies: qaqc\_disclosed is not true **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was stated ## Resource Estimates (4) ### indicated [Link to this fact](https://atlas-extractions.minestarters.com/news/lahontan-to-drill-historic-santa-fe-heap-leach-pads-for-residual-gold-silver--a035d0dd-4503-40e6-9f5a-2d1ea7a06c1e#fact-resource-facts-1) Santa Fe Mine Project · gold #### Identity - Project: Santa Fe Mine Project - Commodity: gold - Region: usa\_nv - Reported Region: Nevada - Ticker: LG #### Resource scope - Estimate type: resource - Effective date: 2024-12-10T00:00:00.000Z - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Brian J. Maher - Resource group id: resource:8848811ac1ae492cfb29 - Deposit or zone: Santa Fe Mine - Mining method: open\_pit - Material type: oxide - Resource basis: attributable #### Resource Data - Category: indicated - Tonnes: 48393000 - Grade: 0.92 - Grade Unit: g/t - Contained Metal: 1539000 - Contained Unit: oz au eq - Cutoff Grade: 0.15 - Cutoff Unit: g/t AuEq #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-04-20T00:00:00.000Z Reasoning: Existing indicated resource reported as part of the project context. - Positive factor: Large tonnage indicated resource Evidence · text > Indicated Mineral Resource of 1,539,000 oz Au Eq \(48,393,000 tonnes grading 0.92 g/t Au and 7.18 g/t Ag, together grading 0.99 g/t Au Eq\) #### Tags used in scoring **Indicated Resource** Polarity: positive Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves. Why it applies: category is "indicated" **Cut-off Disclosed** Polarity: positive Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison. Why it applies: cutoff\_grade is stated **QP/CP Signed** Polarity: positive 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: qp\_signed is true **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: reporting\_standards includes ni\_43\_101 ### indicated [Link to this fact](https://atlas-extractions.minestarters.com/news/lahontan-to-drill-historic-santa-fe-heap-leach-pads-for-residual-gold-silver--a035d0dd-4503-40e6-9f5a-2d1ea7a06c1e#fact-resource-facts-2) Santa Fe Mine Project · silver #### Identity - Project: Santa Fe Mine Project - Commodity: silver - Region: usa\_nv - Reported Region: Nevada - Ticker: LG #### Resource scope - Estimate type: resource - Effective date: 2024-12-10T00:00:00.000Z - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Brian J. Maher - Resource group id: resource:8848811ac1ae492cfb29 - Deposit or zone: Santa Fe Mine - Mining method: open\_pit - Material type: oxide - Resource basis: attributable #### Resource Data - Category: indicated - Tonnes: 48393000 - Grade: 7.18 - Grade Unit: g/t - Cutoff Grade: 0.15 - Cutoff Unit: g/t AuEq #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-04-20T00:00:00.000Z Reasoning: Secondary metal grade within the indicated resource. Evidence · text > 48,393,000 tonnes grading 0.92 g/t Au and 7.18 g/t Ag #### Tags used in scoring **Indicated Resource** Polarity: positive Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves. Why it applies: category is "indicated" **Cut-off Disclosed** Polarity: positive Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison. Why it applies: cutoff\_grade is stated **QP/CP Signed** Polarity: positive 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: qp\_signed is true **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: reporting\_standards includes ni\_43\_101 **No Contained Metal** Polarity: negative Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting. Why it applies: contained\_metal was not reported ### inferred [Link to this fact](https://atlas-extractions.minestarters.com/news/lahontan-to-drill-historic-santa-fe-heap-leach-pads-for-residual-gold-silver--a035d0dd-4503-40e6-9f5a-2d1ea7a06c1e#fact-resource-facts-3) Santa Fe Mine Project · gold #### Identity - Project: Santa Fe Mine Project - Commodity: gold - Region: usa\_nv - Reported Region: Nevada - Ticker: LG #### Resource scope - Estimate type: resource - Effective date: 2024-12-10T00:00:00.000Z - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Brian J. Maher - Resource group id: resource:3e59f4e12a55d1cc5fd7 - Deposit or zone: Santa Fe Mine - Mining method: open\_pit - Material type: oxide - Resource basis: attributable #### Resource Data - Category: inferred - Tonnes: 16760000 - Grade: 0.74 - Grade Unit: g/t - Contained Metal: 411000 - Contained Unit: oz au eq - Cutoff Grade: 0.15 - Cutoff Unit: g/t AuEq #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-04-20T00:00:00.000Z Reasoning: Existing inferred resource reported as part of the project context. - Negative factor: Inferred category limits economic confidence Evidence · text > Inferred Mineral Resource of 411,000 oz Au Eq \(16,760,000 grading 0.74 g/t Au and 3.25 g/t Ag, together grading 0.76 g/t Au Eq\) #### Tags used in scoring **Inferred Resource** Polarity: negative Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone. Why it applies: category is "inferred" **Cut-off Disclosed** Polarity: positive Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison. Why it applies: cutoff\_grade is stated **QP/CP Signed** Polarity: positive 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: qp\_signed is true **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: reporting\_standards includes ni\_43\_101 ### inferred [Link to this fact](https://atlas-extractions.minestarters.com/news/lahontan-to-drill-historic-santa-fe-heap-leach-pads-for-residual-gold-silver--a035d0dd-4503-40e6-9f5a-2d1ea7a06c1e#fact-resource-facts-4) Santa Fe Mine Project · silver #### Identity - Project: Santa Fe Mine Project - Commodity: silver - Region: usa\_nv - Reported Region: Nevada - Ticker: LG #### Resource scope - Estimate type: resource - Effective date: 2024-12-10T00:00:00.000Z - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Brian J. Maher - Resource group id: resource:3e59f4e12a55d1cc5fd7 - Deposit or zone: Santa Fe Mine - Mining method: open\_pit - Material type: oxide - Resource basis: attributable #### Resource Data - Category: inferred - Tonnes: 16760000 - Grade: 3.25 - Grade Unit: g/t - Cutoff Grade: 0.15 - Cutoff Unit: g/t AuEq #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2026-04-20T00:00:00.000Z Reasoning: Secondary metal grade within the inferred resource. Evidence · text > 16,760,000 grading 0.74 g/t Au and 3.25 g/t Ag #### Tags used in scoring **Inferred Resource** Polarity: negative Definition: Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone. Why it applies: category is "inferred" **Cut-off Disclosed** Polarity: positive Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison. Why it applies: cutoff\_grade is stated **QP/CP Signed** Polarity: positive 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: qp\_signed is true **NI 43-101 Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard. Why it applies: reporting\_standards includes ni\_43\_101 **No Contained Metal** Polarity: negative Definition: Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting. Why it applies: contained\_metal was not reported ## 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.