# West Vault Mining Announces 51% IRR Pre-Feasibility Study Update for Hasbrouck Gold Project Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/west-vault-mining-announces-51-irr-pre-feasibility-study-update-for-hasbrouck-go--1f32bd8c-a71c-43fd-be58-3334cddabe3f Original source: https://money.tmx.com/en/quote/WVM/news/4573286235985421/west-vault-mining-announces-51-irr-pre-feasibility-study-update-for-hasbrouck-go Publisher: tmx Original announcement: 2023-01-23T13:30:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: West Vault Mining Inc. - Ticker: WVM - Exchange: TSX - Region: Nevada - Primary commodity: Gold - Secondary commodities: Silver - Document categories: Resource update, Economic study, Metallurgy - Extracted: 2026-09-17 07:10:37 UTC Narrative sentiment: 0.80 · Bullish ## Minestarters Atlas summary West Vault Mining announced an updated Pre-Feasibility Study for its Hasbrouck Gold Project, reporting a post-tax NPV\(5%\) of US$206 million and an IRR of 51% at a US$1,790/oz gold price. The study outlines an initial capital cost of US$66 million and a rapid payback period of 2.9 years. The project, located in Nevada, is fully permitted and construction-ready, with updated Mineral Resource and Reserve estimates supporting the economic assessment. Reasoning: The updated Pre-Feasibility Study for the Hasbrouck Gold Project demonstrates significantly improved economics with a 51% IRR and US$206 million NPV, driven by higher gold prices. The project is fully permitted, construction-ready, and located in a tier-1 jurisdiction, with a low initial capital cost and fast payback. While the underlying mine plan and resource/reserve remain largely consistent with the prior study, the enhanced financial metrics are a strong positive. - Positive factor: Significant increase in post-tax IRR from 43% to 51% and NPV from US$120M to US$206M compared to the 2016 PFS, indicating improved project economics. - Positive factor: Project is fully permitted and construction-ready in a favorable jurisdiction \(Nevada\). - Positive factor: Low initial capital cost of US$66 million and a fast payback period of 2.9 years. - Positive factor: All-in Sustaining Cost \(AISC\) of US$877/oz net of by-product credits positions the project favorably. - Positive factor: Resource and reserve estimates are updated and compliant with NI 43-101, providing a solid foundation for the economic study. - Negative factor: The mine plan, mineral processing, and Mineral Resource and Mineral Reserve Statements are substantially unchanged from the 2016 PFS, suggesting the economic improvement is primarily driven by metal price assumptions rather than significant operational or geological optimizations. Low confidence — this extraction should be reviewed alongside the original source. Facts used in scoring: 19 ## Classification and evidence **PFS Complete** Polarity: positive Definition: AACE Class 3 study complete. Why it applies: The document announces the results of an independent NI 43-101 Pre-feasibility Study \('Technical Report'\). Evidence · text > West Vault Mining Announces 51% IRR Pre-Feasibility Study Update for Hasbrouck Gold Project **High IRR** Polarity: positive Definition: Post-tax real unlevered IRR in the strong tier or better. Why it applies: The post-tax IRR of 51% is well above the strong tier threshold of 25%. Evidence · table > 51% Context: IRR \(after-tax, $1,790 gold\) **Fast Payback** Polarity: positive Definition: Payback in the strong tier or better, on the required basis. Why it applies: The payback period of 2.9 years is within the strong tier threshold of 3 years. Evidence · table > 2.9 years Context: Pay-back **Conservative Pricing** Polarity: positive Definition: Conservative on the worst of the spot, 3-year and consensus comparisons. Why it applies: The study uses a gold price of $1,790/oz, which is stated as the three-year trailing average gold price at January 17, 2023, indicating a conservative approach. Evidence · text > The $1,790/oz gold price represents the three-year trailing average gold price at 17 January 2023. **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: The Technical Report was authored by RESPEC, and technical work, analysis, and findings were completed by Thomas L. Dyer, P.E., and Jeff Bickel, C.P.G. both of RESPEC, who are Qualified Persons. Evidence · text > Technical work, analysis, and findings were completed by Thomas L. Dyer, P.E., and Jeff Bickel, C.P.G. both of RESPEC **JORC Compliant** Polarity: positive Definition: Resource estimate prepared in compliance with JORC Code \(Australia\) — high reporting standard. Why it applies: The resource and reserve estimates are prepared in accordance with NI 43-101 standards. Evidence · text > All estimates of Mineral Resource have been prepared in accordance with NI 43-101 standards. **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 **Heap Leach Route** Polarity: neutral Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected. Why it applies: the document describes a heap\_leach route \("heap leach"\) ## Extracted facts Stored fact records: 18. Some facts used in scoring do not have a stored record. ## Resource Estimates (17) ### measured [Link to this fact](https://atlas-extractions.minestarters.com/news/west-vault-mining-announces-51-irr-pre-feasibility-study-update-for-hasbrouck-go--1f32bd8c-a71c-43fd-be58-3334cddabe3f#fact-resource-facts-1) Hasbrouck Gold Project · gold #### Identity - Project: Hasbrouck Gold Project - Commodity: gold - Region: usa\_nv - Reported Region: Nevada - Ticker: WVM #### Resource scope - Estimate type: resource - Effective date: 2022-12-15T00:00:00.000Z - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Jeff Bickel - Resource group id: resource:4c64e680f3e2afba4973 - Deposit or zone: Hasbrouck Deposit - Ownership percent: 100 % #### Resource Data - Category: measured - Tonnes: 6987000 - Contained Metal: 134 - Contained Unit: k oz au - Cutoff Grade: 0.007 - Cutoff Unit: oz AuEq/ton #### Prior Estimate - Resource Date: 2022-12-15 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2023-01-23T00:00:00.000Z Reasoning: The Measured resource for the Hasbrouck Deposit provides a high-confidence estimate for gold, contributing to the overall project understanding. - Positive factor: Measured category represents the highest level of geological confidence. - Positive factor: Estimate is NI 43-101 compliant and signed off by a Qualified Person. Evidence · table > 0.019 Context: 6,987 #### Tags used in scoring **Measured Resource** Polarity: positive Definition: Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves. Why it applies: category is "measured" **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 **PFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component. Why it applies: the release names the study this estimate supports **DFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence. Why it applies: the release names the study this estimate supports ### measured [Link to this fact](https://atlas-extractions.minestarters.com/news/west-vault-mining-announces-51-irr-pre-feasibility-study-update-for-hasbrouck-go--1f32bd8c-a71c-43fd-be58-3334cddabe3f#fact-resource-facts-2) Hasbrouck Gold Project · silver #### Identity - Project: Hasbrouck Gold Project - Commodity: silver - Region: usa\_nv - Reported Region: Nevada - Ticker: WVM #### Resource scope - Estimate type: resource - Effective date: 2022-12-15T00:00:00.000Z - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Jeff Bickel - Resource group id: resource:4c64e680f3e2afba4973 - Deposit or zone: Hasbrouck Deposit - Ownership percent: 100 % #### Resource Data - Category: measured - Tonnes: 6987000 - Contained Metal: 2752 - Contained Unit: k oz ag - Cutoff Grade: 0.007 - Cutoff Unit: oz AuEq/ton #### Prior Estimate - Resource Date: 2022-12-15 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2023-01-23T00:00:00.000Z Reasoning: The Measured resource for the Hasbrouck Deposit includes a significant silver component, adding to the project's overall metal endowment. - Positive factor: Measured category provides high confidence for silver resources. - Positive factor: Estimate is NI 43-101 compliant and signed off by a Qualified Person. Evidence · table > 0.39 Context: 6,987 #### Tags used in scoring **Measured Resource** Polarity: positive Definition: Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves. Why it applies: category is "measured" **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 **PFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component. Why it applies: the release names the study this estimate supports **DFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence. Why it applies: the release names the study this estimate supports ### indicated [Link to this fact](https://atlas-extractions.minestarters.com/news/west-vault-mining-announces-51-irr-pre-feasibility-study-update-for-hasbrouck-go--1f32bd8c-a71c-43fd-be58-3334cddabe3f#fact-resource-facts-3) Hasbrouck Gold Project · gold #### Identity - Project: Hasbrouck Gold Project - Commodity: gold - Region: usa\_nv - Reported Region: Nevada - Ticker: WVM #### Resource scope - Estimate type: resource - Effective date: 2022-12-15T00:00:00.000Z - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Jeff Bickel - Resource group id: resource:bae5c86b7f50d75ee1aa - Deposit or zone: Hasbrouck Deposit - Ownership percent: 100 % #### Resource Data - Category: indicated - Tonnes: 35041000 - Contained Metal: 516 - Contained Unit: k oz au - Cutoff Grade: 0.007 - Cutoff Unit: oz AuEq/ton #### Prior Estimate - Resource Date: 2022-12-15 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2023-01-23T00:00:00.000Z Reasoning: The Indicated resource for the Hasbrouck Deposit represents a substantial portion of the gold endowment with good confidence, suitable for economic studies. - Positive factor: Indicated category provides reasonable geological confidence for gold resources. - Positive factor: Estimate is NI 43-101 compliant and signed off by a Qualified Person. Evidence · table > 0.015 Context: 35,041 #### 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 **PFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component. Why it applies: the release names the study this estimate supports **DFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence. Why it applies: the release names the study this estimate supports ### indicated [Link to this fact](https://atlas-extractions.minestarters.com/news/west-vault-mining-announces-51-irr-pre-feasibility-study-update-for-hasbrouck-go--1f32bd8c-a71c-43fd-be58-3334cddabe3f#fact-resource-facts-4) Hasbrouck Gold Project · silver #### Identity - Project: Hasbrouck Gold Project - Commodity: silver - Region: usa\_nv - Reported Region: Nevada - Ticker: WVM #### Resource scope - Estimate type: resource - Effective date: 2022-12-15T00:00:00.000Z - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Jeff Bickel - Resource group id: resource:bae5c86b7f50d75ee1aa - Deposit or zone: Hasbrouck Deposit - Ownership percent: 100 % #### Resource Data - Category: indicated - Tonnes: 35041000 - Contained Metal: 9404 - Contained Unit: k oz ag - Cutoff Grade: 0.007 - Cutoff Unit: oz AuEq/ton #### Prior Estimate - Resource Date: 2022-12-15 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2023-01-23T00:00:00.000Z Reasoning: The Indicated resource for the Hasbrouck Deposit includes a significant silver component, adding to the project's overall metal endowment with good confidence. - Positive factor: Indicated category provides reasonable confidence for silver resources. - Positive factor: Estimate is NI 43-101 compliant and signed off by a Qualified Person. Evidence · table > 0.27 Context: 35,041 #### 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 **PFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component. Why it applies: the release names the study this estimate supports **DFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence. Why it applies: the release names the study this estimate supports ### inferred [Link to this fact](https://atlas-extractions.minestarters.com/news/west-vault-mining-announces-51-irr-pre-feasibility-study-update-for-hasbrouck-go--1f32bd8c-a71c-43fd-be58-3334cddabe3f#fact-resource-facts-5) Hasbrouck Gold Project · gold #### Identity - Project: Hasbrouck Gold Project - Commodity: gold - Region: usa\_nv - Reported Region: Nevada - Ticker: WVM #### Resource scope - Estimate type: resource - Effective date: 2022-12-15T00:00:00.000Z - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Jeff Bickel - Resource group id: resource:79aa7ad0345abc4091c7 - Deposit or zone: Hasbrouck Deposit - Ownership percent: 100 % #### Resource Data - Category: inferred - Tonnes: 5161000 - Contained Metal: 56 - Contained Unit: k oz au - Cutoff Grade: 0.007 - Cutoff Unit: oz AuEq/ton #### Prior Estimate - Resource Date: 2022-12-15 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2023-01-23T00:00:00.000Z Reasoning: The Inferred resource for the Hasbrouck Deposit provides exploration upside for gold but requires further drilling to upgrade confidence. - Positive factor: Estimate is NI 43-101 compliant and signed off by a Qualified Person. - Negative factor: Inferred category has the lowest geological confidence and cannot support economic studies alone. Evidence · table > 0.011 Context: 5,161 #### 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 **PFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component. Why it applies: the release names the study this estimate supports **DFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence. Why it applies: the release names the study this estimate supports ### inferred [Link to this fact](https://atlas-extractions.minestarters.com/news/west-vault-mining-announces-51-irr-pre-feasibility-study-update-for-hasbrouck-go--1f32bd8c-a71c-43fd-be58-3334cddabe3f#fact-resource-facts-6) Hasbrouck Gold Project · silver #### Identity - Project: Hasbrouck Gold Project - Commodity: silver - Region: usa\_nv - Reported Region: Nevada - Ticker: WVM #### Resource scope - Estimate type: resource - Effective date: 2022-12-15T00:00:00.000Z - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Jeff Bickel - Resource group id: resource:79aa7ad0345abc4091c7 - Deposit or zone: Hasbrouck Deposit - Ownership percent: 100 % #### Resource Data - Category: inferred - Tonnes: 5161000 - Contained Metal: 986 - Contained Unit: k oz ag - Cutoff Grade: 0.007 - Cutoff Unit: oz AuEq/ton #### Prior Estimate - Resource Date: 2022-12-15 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2023-01-23T00:00:00.000Z Reasoning: The Inferred resource for the Hasbrouck Deposit provides exploration upside for silver but requires further drilling to upgrade confidence. - Positive factor: Estimate is NI 43-101 compliant and signed off by a Qualified Person. - Negative factor: Inferred category has the lowest geological confidence for silver resources. Evidence · table > 0.19 Context: 5,161 #### 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 **PFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component. Why it applies: the release names the study this estimate supports **DFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence. Why it applies: the release names the study this estimate supports ### indicated [Link to this fact](https://atlas-extractions.minestarters.com/news/west-vault-mining-announces-51-irr-pre-feasibility-study-update-for-hasbrouck-go--1f32bd8c-a71c-43fd-be58-3334cddabe3f#fact-resource-facts-7) Hasbrouck Gold Project · gold #### Identity - Project: Hasbrouck Gold Project - Commodity: gold - Region: usa\_nv - Reported Region: Nevada - Ticker: WVM #### Resource scope - Estimate type: resource - Effective date: 2022-12-15T00:00:00.000Z - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Jeff Bickel - Resource group id: resource:02e2c218e17018220a77 - Deposit or zone: Three Hills Deposit - Ownership percent: 100 % #### Resource Data - Category: indicated - Tonnes: 10423000 - Contained Metal: 185 - Contained Unit: k oz au - Cutoff Grade: 0.005 - Cutoff Unit: oz Au/ton #### Prior Estimate - Resource Date: 2022-12-15 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2023-01-23T00:00:00.000Z Reasoning: The Indicated resource for the Three Hills Deposit adds a significant gold component with good confidence to the overall project. - Positive factor: Indicated category provides reasonable geological confidence for gold resources. - Positive factor: Estimate is NI 43-101 compliant and signed off by a Qualified Person. Evidence · table > 0.018 Context: 10,423 #### 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 **PFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component. Why it applies: the release names the study this estimate supports **DFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence. Why it applies: the release names the study this estimate supports ### inferred [Link to this fact](https://atlas-extractions.minestarters.com/news/west-vault-mining-announces-51-irr-pre-feasibility-study-update-for-hasbrouck-go--1f32bd8c-a71c-43fd-be58-3334cddabe3f#fact-resource-facts-8) Hasbrouck Gold Project · gold #### Identity - Project: Hasbrouck Gold Project - Commodity: gold - Region: usa\_nv - Reported Region: Nevada - Ticker: WVM #### Resource scope - Estimate type: resource - Effective date: 2022-12-15T00:00:00.000Z - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Jeff Bickel - Resource group id: resource:17b06daa14d6356097d0 - Deposit or zone: Three Hills Deposit - Ownership percent: 100 % #### Resource Data - Category: inferred - Tonnes: 1008000 - Contained Metal: 17 - Contained Unit: k oz au - Cutoff Grade: 0.005 - Cutoff Unit: oz Au/ton #### Prior Estimate - Resource Date: 2022-12-15 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2023-01-23T00:00:00.000Z Reasoning: The Inferred resource for the Three Hills Deposit provides exploration upside for gold but requires further drilling to upgrade confidence. - Positive factor: Estimate is NI 43-101 compliant and signed off by a Qualified Person. - Negative factor: Inferred category has the lowest geological confidence for gold resources. Evidence · table > 0.017 Context: 1,008 #### 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 **PFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component. Why it applies: the release names the study this estimate supports **DFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence. Why it applies: the release names the study this estimate supports ### probable [Link to this fact](https://atlas-extractions.minestarters.com/news/west-vault-mining-announces-51-irr-pre-feasibility-study-update-for-hasbrouck-go--1f32bd8c-a71c-43fd-be58-3334cddabe3f#fact-resource-facts-9) Hasbrouck Gold Project · gold #### Identity - Project: Hasbrouck Gold Project - Commodity: gold - Region: usa\_nv - Reported Region: Nevada - Ticker: WVM #### Resource scope - Estimate type: reserve - Effective date: 2023-01-11T00:00:00.000Z - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Thomas L. Dyer - Resource group id: resource:0a2ca058ecce1d73d65a - Deposit or zone: Three Hills Mine Reserves - Ownership percent: 100 % #### Resource Data - Category: probable - Tonnes: 9653000 - Contained Metal: 175 - Contained Unit: k oz au - Cutoff Grade: 0.005 - Cutoff Unit: opt Au #### Prior Estimate - Resource Date: 2023-01-11 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2023-01-23T00:00:00.000Z Reasoning: The Probable Reserves for the Three Hills Mine provide a solid foundation for the project's economic viability for gold. - Positive factor: Probable Reserve category indicates demonstrated economic viability. - Positive factor: Estimate is NI 43-101 compliant and signed off by a Qualified Person. Evidence · table > 0.018 Context: 9,653 #### Tags used in scoring **Probable Reserve** Polarity: positive Definition: Indicated Resource with demonstrated economic viability after applying modifying factors. Why it applies: category is "probable" **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 **PFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component. Why it applies: the release names the study this estimate supports **DFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence. Why it applies: the release names the study this estimate supports ### proven [Link to this fact](https://atlas-extractions.minestarters.com/news/west-vault-mining-announces-51-irr-pre-feasibility-study-update-for-hasbrouck-go--1f32bd8c-a71c-43fd-be58-3334cddabe3f#fact-resource-facts-10) Hasbrouck Gold Project · gold #### Identity - Project: Hasbrouck Gold Project - Commodity: gold - Region: usa\_nv - Reported Region: Nevada - Ticker: WVM #### Resource scope - Estimate type: reserve - Effective date: 2023-01-11T00:00:00.000Z - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Thomas L. Dyer - Resource group id: resource:a866a3c98b52d6ca8735 - Deposit or zone: Hasbrouck Mine Reserves - Ownership percent: 100 % #### Resource Data - Category: proven - Tonnes: 6130000 - Contained Metal: 126 - Contained Unit: k oz au #### Prior Estimate - Resource Date: 2023-01-11 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2023-01-23T00:00:00.000Z Reasoning: The Proven Reserves for the Hasbrouck Mine provide a high-confidence estimate for economically extractable gold. - Positive factor: Proven Reserve category represents the highest confidence for economic viability. - Positive factor: Estimate is NI 43-101 compliant and signed off by a Qualified Person. Evidence · table > 0.021 Context: 6,130 #### Tags used in scoring **Proven Reserve** Polarity: positive Definition: Measured Resource with demonstrated economic viability after applying modifying factors. Why it applies: category is "proven" **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was 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 **PFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component. Why it applies: the release names the study this estimate supports **DFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence. Why it applies: the release names the study this estimate supports ### proven [Link to this fact](https://atlas-extractions.minestarters.com/news/west-vault-mining-announces-51-irr-pre-feasibility-study-update-for-hasbrouck-go--1f32bd8c-a71c-43fd-be58-3334cddabe3f#fact-resource-facts-11) Hasbrouck Gold Project · silver #### Identity - Project: Hasbrouck Gold Project - Commodity: silver - Region: usa\_nv - Reported Region: Nevada - Ticker: WVM #### Resource scope - Estimate type: reserve - Effective date: 2023-01-11T00:00:00.000Z - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Thomas L. Dyer - Resource group id: resource:a866a3c98b52d6ca8735 - Deposit or zone: Hasbrouck Mine Reserves - Ownership percent: 100 % #### Resource Data - Category: proven - Tonnes: 6130000 - Contained Metal: 2558 - Contained Unit: k oz ag #### Prior Estimate - Resource Date: 2023-01-11 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2023-01-23T00:00:00.000Z Reasoning: The Proven Reserves for the Hasbrouck Mine include a significant silver component, adding to the project's overall economic value. - Positive factor: Proven Reserve category provides high confidence for economically extractable silver. - Positive factor: Estimate is NI 43-101 compliant and signed off by a Qualified Person. Evidence · table > 0.417 Context: 6,130 #### Tags used in scoring **Proven Reserve** Polarity: positive Definition: Measured Resource with demonstrated economic viability after applying modifying factors. Why it applies: category is "proven" **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was 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 **PFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component. Why it applies: the release names the study this estimate supports **DFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence. Why it applies: the release names the study this estimate supports ### probable [Link to this fact](https://atlas-extractions.minestarters.com/news/west-vault-mining-announces-51-irr-pre-feasibility-study-update-for-hasbrouck-go--1f32bd8c-a71c-43fd-be58-3334cddabe3f#fact-resource-facts-12) Hasbrouck Gold Project · gold #### Identity - Project: Hasbrouck Gold Project - Commodity: gold - Region: usa\_nv - Reported Region: Nevada - Ticker: WVM #### Resource scope - Estimate type: reserve - Effective date: 2023-01-11T00:00:00.000Z - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Thomas L. Dyer - Resource group id: resource:87c0cb0228f34fd789db - Deposit or zone: Hasbrouck Mine Reserves - Ownership percent: 100 % #### Resource Data - Category: probable - Tonnes: 28239000 - Contained Metal: 452 - Contained Unit: k oz au #### Prior Estimate - Resource Date: 2023-01-11 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2023-01-23T00:00:00.000Z Reasoning: The Probable Reserves for the Hasbrouck Mine represent a substantial portion of the economically extractable gold. - Positive factor: Probable Reserve category indicates demonstrated economic viability for gold. - Positive factor: Estimate is NI 43-101 compliant and signed off by a Qualified Person. Evidence · table > 0.016 Context: 28,239 #### Tags used in scoring **Probable Reserve** Polarity: positive Definition: Indicated Resource with demonstrated economic viability after applying modifying factors. Why it applies: category is "probable" **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was 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 **PFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component. Why it applies: the release names the study this estimate supports **DFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence. Why it applies: the release names the study this estimate supports ### probable [Link to this fact](https://atlas-extractions.minestarters.com/news/west-vault-mining-announces-51-irr-pre-feasibility-study-update-for-hasbrouck-go--1f32bd8c-a71c-43fd-be58-3334cddabe3f#fact-resource-facts-13) Hasbrouck Gold Project · silver #### Identity - Project: Hasbrouck Gold Project - Commodity: silver - Region: usa\_nv - Reported Region: Nevada - Ticker: WVM #### Resource scope - Estimate type: reserve - Effective date: 2023-01-11T00:00:00.000Z - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Thomas L. Dyer - Resource group id: resource:87c0cb0228f34fd789db - Deposit or zone: Hasbrouck Mine Reserves - Ownership percent: 100 % #### Resource Data - Category: probable - Tonnes: 28239000 - Contained Metal: 7946 - Contained Unit: k oz ag #### Prior Estimate - Resource Date: 2023-01-11 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2023-01-23T00:00:00.000Z Reasoning: The Probable Reserves for the Hasbrouck Mine include a substantial silver component, adding to the project's overall economic value. - Positive factor: Probable Reserve category indicates demonstrated economic viability for silver. - Positive factor: Estimate is NI 43-101 compliant and signed off by a Qualified Person. Evidence · table > 0.281 Context: 28,239 #### Tags used in scoring **Probable Reserve** Polarity: positive Definition: Indicated Resource with demonstrated economic viability after applying modifying factors. Why it applies: category is "probable" **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was 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 **PFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component. Why it applies: the release names the study this estimate supports **DFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence. Why it applies: the release names the study this estimate supports ### proven [Link to this fact](https://atlas-extractions.minestarters.com/news/west-vault-mining-announces-51-irr-pre-feasibility-study-update-for-hasbrouck-go--1f32bd8c-a71c-43fd-be58-3334cddabe3f#fact-resource-facts-14) Hasbrouck Gold Project · gold #### Identity - Project: Hasbrouck Gold Project - Commodity: gold - Region: usa\_nv - Reported Region: Nevada - Ticker: WVM #### Resource scope - Estimate type: reserve - Effective date: 2023-01-11T00:00:00.000Z - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Thomas L. Dyer - Resource group id: resource:ad25e64d6ee1274a2efe - Deposit or zone: Total Hasbrouck Gold Project - Ownership percent: 100 % #### Resource Data - Category: proven - Tonnes: 6130000 - Contained Metal: 126 - Contained Unit: k oz au #### Prior Estimate - Resource Date: 2023-01-11 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2023-01-23T00:00:00.000Z Reasoning: The total Proven Reserves for the Hasbrouck Gold Project provide a high-confidence estimate for economically extractable gold. - Positive factor: Proven Reserve category represents the highest confidence for economic viability. - Positive factor: Estimate is NI 43-101 compliant and signed off by a Qualified Person. Evidence · table > 0.021 Context: 6,130 #### Tags used in scoring **Proven Reserve** Polarity: positive Definition: Measured Resource with demonstrated economic viability after applying modifying factors. Why it applies: category is "proven" **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was 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 **PFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component. Why it applies: the release names the study this estimate supports **DFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence. Why it applies: the release names the study this estimate supports ### proven [Link to this fact](https://atlas-extractions.minestarters.com/news/west-vault-mining-announces-51-irr-pre-feasibility-study-update-for-hasbrouck-go--1f32bd8c-a71c-43fd-be58-3334cddabe3f#fact-resource-facts-15) Hasbrouck Gold Project · silver #### Identity - Project: Hasbrouck Gold Project - Commodity: silver - Region: usa\_nv - Reported Region: Nevada - Ticker: WVM #### Resource scope - Estimate type: reserve - Effective date: 2023-01-11T00:00:00.000Z - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Thomas L. Dyer - Resource group id: resource:ad25e64d6ee1274a2efe - Deposit or zone: Total Hasbrouck Gold Project - Ownership percent: 100 % #### Resource Data - Category: proven - Tonnes: 6130000 - Contained Metal: 2558 - Contained Unit: k oz ag #### Prior Estimate - Resource Date: 2023-01-11 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2023-01-23T00:00:00.000Z Reasoning: The total Proven Reserves for the Hasbrouck Gold Project include a significant silver component, adding to the project's overall economic value. - Positive factor: Proven Reserve category provides high confidence for economically extractable silver. - Positive factor: Estimate is NI 43-101 compliant and signed off by a Qualified Person. Evidence · table > 0.417 Context: 6,130 #### Tags used in scoring **Proven Reserve** Polarity: positive Definition: Measured Resource with demonstrated economic viability after applying modifying factors. Why it applies: category is "proven" **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was 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 **PFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component. Why it applies: the release names the study this estimate supports **DFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence. Why it applies: the release names the study this estimate supports ### probable [Link to this fact](https://atlas-extractions.minestarters.com/news/west-vault-mining-announces-51-irr-pre-feasibility-study-update-for-hasbrouck-go--1f32bd8c-a71c-43fd-be58-3334cddabe3f#fact-resource-facts-16) Hasbrouck Gold Project · gold #### Identity - Project: Hasbrouck Gold Project - Commodity: gold - Region: usa\_nv - Reported Region: Nevada - Ticker: WVM #### Resource scope - Estimate type: reserve - Effective date: 2023-01-11T00:00:00.000Z - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Thomas L. Dyer - Resource group id: resource:15e2b1511bca4d7caee6 - Deposit or zone: Total Hasbrouck Gold Project - Ownership percent: 100 % #### Resource Data - Category: probable - Tonnes: 37893000 - Contained Metal: 627 - Contained Unit: k oz au #### Prior Estimate - Resource Date: 2023-01-11 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2023-01-23T00:00:00.000Z Reasoning: The total Probable Reserves for the Hasbrouck Gold Project represent a substantial portion of the economically extractable gold. - Positive factor: Probable Reserve category indicates demonstrated economic viability for gold. - Positive factor: Estimate is NI 43-101 compliant and signed off by a Qualified Person. Evidence · table > 0.017 Context: 37,893 #### Tags used in scoring **Probable Reserve** Polarity: positive Definition: Indicated Resource with demonstrated economic viability after applying modifying factors. Why it applies: category is "probable" **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was 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 **PFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component. Why it applies: the release names the study this estimate supports **DFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence. Why it applies: the release names the study this estimate supports ### probable [Link to this fact](https://atlas-extractions.minestarters.com/news/west-vault-mining-announces-51-irr-pre-feasibility-study-update-for-hasbrouck-go--1f32bd8c-a71c-43fd-be58-3334cddabe3f#fact-resource-facts-17) Hasbrouck Gold Project · silver #### Identity - Project: Hasbrouck Gold Project - Commodity: silver - Region: usa\_nv - Reported Region: Nevada - Ticker: WVM #### Resource scope - Estimate type: reserve - Effective date: 2023-01-11T00:00:00.000Z - Reporting standards: ni\_43\_101 - QP Signed: Yes - Qualified person names: Thomas L. Dyer - Resource group id: resource:15e2b1511bca4d7caee6 - Deposit or zone: Total Hasbrouck Gold Project - Ownership percent: 100 % #### Resource Data - Category: probable - Tonnes: 37893000 - Contained Metal: 7946 - Contained Unit: k oz ag #### Prior Estimate - Resource Date: 2023-01-11 #### Metal Equivalent - Assumptions Disclosed: Yes #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2023-01-23T00:00:00.000Z Reasoning: The total Probable Reserves for the Hasbrouck Gold Project include a substantial silver component, adding to the project's overall economic value. - Positive factor: Probable Reserve category indicates demonstrated economic viability for silver. - Positive factor: Estimate is NI 43-101 compliant and signed off by a Qualified Person. Evidence · table > 0.210 Context: 37,893 #### Tags used in scoring **Probable Reserve** Polarity: positive Definition: Indicated Resource with demonstrated economic viability after applying modifying factors. Why it applies: category is "probable" **Cut-off Undisclosed** Polarity: negative Definition: High-grade interval reported without stating the cut-off grade used for compositing. Why it applies: no cutoff\_grade was 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 **PFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component. Why it applies: the release names the study this estimate supports **DFS-Supporting** Polarity: neutral Definition: Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence. Why it applies: the release names the study this estimate supports ## Metallurgical Results (1) ### Fact 1 [Link to this fact](https://atlas-extractions.minestarters.com/news/west-vault-mining-announces-51-irr-pre-feasibility-study-update-for-hasbrouck-go--1f32bd8c-a71c-43fd-be58-3334cddabe3f#fact-metallurgical-facts-18) Hasbrouck Gold Project · gold #### Identity - Project: Hasbrouck Gold Project - Commodity: gold - Region: usa\_nv - Reported Region: Nevada - Ticker: WVM #### Test Work - Processing Route: heap leach #### Recovery - Recovery: 75 % - Recovery Basis: actual\_test #### Review - Needs Review: No - Historical: No #### Dates - Event date: 2023-01-23T00:00:00.000Z Reasoning: The reported 75% average heap-leach gold recovery is a strong result for this processing route, supporting the project's economic viability. - Positive factor: 75% gold recovery for a heap leach operation is considered strong and economically viable. - Positive factor: Extensive test programs \(13\) indicate thorough metallurgical understanding. Evidence · table > 75% average heap-leach gold recovery Context: Metallurgy #### Tags used in scoring **Heap Leach Route** Polarity: neutral Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected. Why it applies: processing\_route matches the heap\_leach signal **High Recovery** Polarity: positive Definition: Recovery at or above the exceptional band for the commodity and processing route. Why it applies: 75% is at or above the exceptional band \(75%\) **Byproduct Commodity** Polarity: neutral Definition: The tested commodity is a byproduct rather than the primary economic driver. Why it applies: the release describes a byproduct credit ## 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.