# West Vault Mining Files on Sedar a Hasbrouck Gold Project Pre-Feasibility Study Update with a 51% IRR

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/west-vault-mining-files-on-sedar-a-hasbrouck-gold-project-pre-feasibility-study--e970fb42-b03a-4f5e-a030-d70304f85dc7

Original source: https://money.tmx.com/en/quote/WVM/news/5626646073161325/west-vault-mining-files-on-sedar-a-hasbrouck-gold-project-pre-feasibility-study-

Publisher: tmx

Original announcement: 2023-03-08T19:47:00.000Z

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, Metallurgy

- Extracted: 2026-08-24 18:55:48 UTC

Narrative sentiment: 0.70 · Bullish

## Minestarters Atlas summary

West Vault Mining has filed an updated NI 43-101 Pre-Feasibility Study for its Hasbrouck Gold Project in Nevada, reporting a strong after-tax IRR of 51% and an NPV\(5%\) of US$206 million. The study confirms the project's robust economics, construction-ready status, and 75% average heap-leach gold recovery. While the mine plan and resource/reserve statements are substantially unchanged from the 2016 PFS, the update incorporates current costs and metal prices, validating the project's viability.

Reasoning: The updated Pre-Feasibility Study confirms robust economics for the permitted and construction-ready Hasbrouck Gold Project, supported by strong gold recovery and a low strip ratio. While the resource and reserve figures are largely consistent with the prior 2016 study, the economic update with current metal prices is positive.

- Positive factor: Strong project economics \(51% IRR, US$206M NPV\)

- Positive factor: Project is permitted and construction-ready

- Positive factor: Good average heap-leach gold recovery \(75%\)

- Positive factor: NI 43-101 compliant Pre-Feasibility Study

- Positive factor: QP/CP sign-off on technical information

- Negative factor: Mineral Resource and Reserve statements are substantially unchanged from the 2016 PFS, limiting geological novelty

Facts used in scoring: 18

## Classification and evidence

**NI 43-101 Compliant**

Polarity: positive

Definition: Resource estimate prepared in compliance with NI 43-101 \(Canada\) — high reporting standard.

Why it applies: The Technical Report was prepared in conformance with National Instrument 43-101 - Standards of Disclosure for Mineral Projects.

Evidence · text

> The Technical Report was authored by RESPEC and was prepared in conformance with National Instrument 43-101 - Standards of Disclosure for Mineral Projects \(" NI 43-101 "\)

**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: Thomas L. Dyer, P.E., and Jeff Bickel, C.P.G. of RESPEC, and others are named as Qualified Persons under NI 43-101 who reviewed and approved the information.

Evidence · text

> Technical work, analysis, and findings were completed by Thomas L. Dyer, P.E., and Jeff Bickel, C.P.G. both of RESPEC, Reno, with contributions by Mark Jorgensen, SME, of JE&TS \(metallurgy\), Ryan Baker, P.E., of NewFields \(civil and heap leach\) and Carl Defilippi, SME, of KCA \(process design\). Each person is a "Qualified Person" under NI 43-101 and has reviewed and approved the information in this news release relevant to the portion of the Technical Report for which they are responsible.

**Measured Resource**

Polarity: positive

Definition: Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: The Hasbrouck Deposit includes a Measured gold resource of 6,987 K Tons at 0.019 oz Au/ton.

Evidence · table

> Measured

Context: 6,987

**Indicated Resource**

Polarity: positive

Definition: Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: The Hasbrouck Deposit includes an Indicated gold resource of 35,041 K Tons at 0.015 oz Au/ton.

Evidence · table

> Indicated

Context: 35,041

**Proven Reserve**

Polarity: positive

Definition: Measured Resource with demonstrated economic viability after applying modifying factors.

Why it applies: The Hasbrouck Mine includes a Proven gold reserve of 6,130 K tons at 0.021 oz Au/ton.

Evidence · table

> Proven

Context: 6,130

**Probable Reserve**

Polarity: positive

Definition: Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: The Three Hills Mine includes a Probable gold reserve of 9,653 K tons at 0.018 oz Au/ton.

Evidence · table

> Probable

Context: 9,653

**Resource Update**

Polarity: neutral

Definition: Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: The document provides an update to the Pre-Feasibility Study, including updated Mineral Resource and Mineral Reserve statements.

Evidence · text

> West Vault Mining Files on Sedar a Hasbrouck Gold Project Pre-Feasibility Study Update

**PFS-Supporting**

Polarity: neutral

Definition: Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: The resource and reserve estimates are presented as part of a Pre-Feasibility Study update.

Evidence · text

> West Vault Mining Files on Sedar a Hasbrouck Gold Project Pre-Feasibility Study Update

**Cut-off Disclosed**

Polarity: positive

Definition: Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: Cut-off grades for both Hasbrouck and Three Hills deposits are disclosed for the resource and reserve estimates.

Evidence · text

> Hasbrouck Deposit Reported Mineral Resources\* December 15, 2022, \(0.007oz AuEq/ton Cutoff\)

**High Recovery**

Polarity: positive

Definition: Recovery at or above the exceptional band for the commodity and processing route.

Why it applies: The project reports 75% average heap-leach gold recovery, which is at the exceptional band for this processing route.

Evidence · table

> 75% average heap-leach gold recovery

Context: Metallurgy

**Heap Leach Route**

Polarity: neutral

Definition: Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: The metallurgical test work indicates an average 75% gold recovery using a heap-leach process.

Evidence · table

> 75% average heap-leach gold recovery

Context: Metallurgy

**Free Milling**

Polarity: positive

Definition: Simple, clean ore amenable to standard processing without oxidation.

Why it applies: The geology is described as 'all-oxide', which typically indicates free-milling ore amenable to simpler processing.

Evidence · table

> all-oxide

Context: Geology

**Multi-Domain Tested**

Polarity: positive

Definition: Variability across ore domains \(oxide, transition, fresh\) has been addressed.

Why it applies: The metallurgy section mentions '13 test programs' and the resource notes refer to 'lithologic- and depth dependent recovery equation' and 'variable gold recovery based on material in Upper Siebert and Lower Siebert', indicating variability testing.

Evidence · table

> 13 test programs

Context: Metallurgy

## Extracted facts

Stored fact records: 18. Some facts used in scoring do not have a stored record.

## Resource Estimates (18)

### measured

[Link to this fact](https://atlas-staging.minestarters.com/news/west-vault-mining-files-on-sedar-a-hasbrouck-gold-project-pre-feasibility-study--e970fb42-b03a-4f5e-a030-d70304f85dc7#fact-resource-facts-0)

Hasbrouck Deposit · gold

#### Identity

- Project: Hasbrouck Deposit
- Commodity: gold
- Ticker: WVM

#### Resource Data

- Category: measured
- Tonnes: 6987000
- Grade: 0.019
- Grade Unit: oz/ton
- Contained Metal: 134000
- Contained Unit: oz
- Cutoff Grade: 0.007

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-03-08T00:00:00.000Z

Reasoning: Measured gold resource for the Hasbrouck Deposit, compliant with NI 43-101, but largely unchanged from previous studies.

- Positive factor: QP/CP Signed

- Positive factor: NI 43-101 Compliant

- Positive factor: Cut-off Disclosed

- Positive factor: Measured Resource

- Negative factor: Resource estimate substantially unchanged from 2016 PFS

Evidence · table

> 6,987

Context: Measured

### measured

[Link to this fact](https://atlas-staging.minestarters.com/news/west-vault-mining-files-on-sedar-a-hasbrouck-gold-project-pre-feasibility-study--e970fb42-b03a-4f5e-a030-d70304f85dc7#fact-resource-facts-1)

Hasbrouck Deposit · silver

#### Identity

- Project: Hasbrouck Deposit
- Commodity: silver
- Ticker: WVM

#### Resource Data

- Category: measured
- Tonnes: 6987000
- Grade: 0.39
- Grade Unit: oz/ton
- Contained Metal: 2752000
- Contained Unit: oz
- Cutoff Grade: 0.007

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-03-08T00:00:00.000Z

Reasoning: Measured silver resource for the Hasbrouck Deposit, compliant with NI 43-101, but largely unchanged from previous studies.

- Positive factor: QP/CP Signed

- Positive factor: NI 43-101 Compliant

- Positive factor: Cut-off Disclosed

- Positive factor: Measured Resource

- Negative factor: Resource estimate substantially unchanged from 2016 PFS

Evidence · table

> 0.39

Context: Measured

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/west-vault-mining-files-on-sedar-a-hasbrouck-gold-project-pre-feasibility-study--e970fb42-b03a-4f5e-a030-d70304f85dc7#fact-resource-facts-2)

Hasbrouck Deposit · gold

#### Identity

- Project: Hasbrouck Deposit
- Commodity: gold
- Ticker: WVM

#### Resource Data

- Category: indicated
- Tonnes: 35041000
- Grade: 0.015
- Grade Unit: oz/ton
- Contained Metal: 516000
- Contained Unit: oz
- Cutoff Grade: 0.007

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-03-08T00:00:00.000Z

Reasoning: Indicated gold resource for the Hasbrouck Deposit, compliant with NI 43-101, but largely unchanged from previous studies.

- Positive factor: QP/CP Signed

- Positive factor: NI 43-101 Compliant

- Positive factor: Cut-off Disclosed

- Positive factor: Indicated Resource

- Negative factor: Resource estimate substantially unchanged from 2016 PFS

Evidence · table

> 35,041

Context: Indicated

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/west-vault-mining-files-on-sedar-a-hasbrouck-gold-project-pre-feasibility-study--e970fb42-b03a-4f5e-a030-d70304f85dc7#fact-resource-facts-3)

Hasbrouck Deposit · silver

#### Identity

- Project: Hasbrouck Deposit
- Commodity: silver
- Ticker: WVM

#### Resource Data

- Category: indicated
- Tonnes: 35041000
- Grade: 0.27
- Grade Unit: oz/ton
- Contained Metal: 9404000
- Contained Unit: oz
- Cutoff Grade: 0.007

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-03-08T00:00:00.000Z

Reasoning: Indicated silver resource for the Hasbrouck Deposit, compliant with NI 43-101, but largely unchanged from previous studies.

- Positive factor: QP/CP Signed

- Positive factor: NI 43-101 Compliant

- Positive factor: Cut-off Disclosed

- Positive factor: Indicated Resource

- Negative factor: Resource estimate substantially unchanged from 2016 PFS

Evidence · table

> 0.27

Context: Indicated

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/west-vault-mining-files-on-sedar-a-hasbrouck-gold-project-pre-feasibility-study--e970fb42-b03a-4f5e-a030-d70304f85dc7#fact-resource-facts-4)

Hasbrouck Deposit · gold

#### Identity

- Project: Hasbrouck Deposit
- Commodity: gold
- Ticker: WVM

#### Resource Data

- Category: inferred
- Tonnes: 5161000
- Grade: 0.011
- Grade Unit: oz/ton
- Contained Metal: 56000
- Contained Unit: oz
- Cutoff Grade: 0.007

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-03-08T00:00:00.000Z

Reasoning: Inferred gold resource for the Hasbrouck Deposit, compliant with NI 43-101, but largely unchanged from previous studies.

- Positive factor: QP/CP Signed

- Positive factor: NI 43-101 Compliant

- Positive factor: Cut-off Disclosed

- Negative factor: Inferred Resource

- Negative factor: Resource estimate substantially unchanged from 2016 PFS

Evidence · table

> 5,161

Context: Inferred

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/west-vault-mining-files-on-sedar-a-hasbrouck-gold-project-pre-feasibility-study--e970fb42-b03a-4f5e-a030-d70304f85dc7#fact-resource-facts-5)

Hasbrouck Deposit · silver

#### Identity

- Project: Hasbrouck Deposit
- Commodity: silver
- Ticker: WVM

#### Resource Data

- Category: inferred
- Tonnes: 5161000
- Grade: 0.19
- Grade Unit: oz/ton
- Contained Metal: 986000
- Contained Unit: oz
- Cutoff Grade: 0.007

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-03-08T00:00:00.000Z

Reasoning: Inferred silver resource for the Hasbrouck Deposit, compliant with NI 43-101, but largely unchanged from previous studies.

- Positive factor: QP/CP Signed

- Positive factor: NI 43-101 Compliant

- Positive factor: Cut-off Disclosed

- Negative factor: Inferred Resource

- Negative factor: Resource estimate substantially unchanged from 2016 PFS

Evidence · table

> 0.19

Context: Inferred

### indicated

[Link to this fact](https://atlas-staging.minestarters.com/news/west-vault-mining-files-on-sedar-a-hasbrouck-gold-project-pre-feasibility-study--e970fb42-b03a-4f5e-a030-d70304f85dc7#fact-resource-facts-6)

Three Hills Deposit · gold

#### Identity

- Project: Three Hills Deposit
- Commodity: gold
- Ticker: WVM

#### Resource Data

- Category: indicated
- Tonnes: 10423000
- Grade: 0.018
- Grade Unit: oz/ton
- Contained Metal: 185000
- Contained Unit: oz
- Cutoff Grade: 0.005

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-03-08T00:00:00.000Z

Reasoning: Indicated gold resource for the Three Hills Deposit, compliant with NI 43-101, but largely unchanged from previous studies.

- Positive factor: QP/CP Signed

- Positive factor: NI 43-101 Compliant

- Positive factor: Cut-off Disclosed

- Positive factor: Indicated Resource

- Negative factor: Resource estimate substantially unchanged from 2016 PFS

Evidence · table

> 10,423

Context: Indicated

### inferred

[Link to this fact](https://atlas-staging.minestarters.com/news/west-vault-mining-files-on-sedar-a-hasbrouck-gold-project-pre-feasibility-study--e970fb42-b03a-4f5e-a030-d70304f85dc7#fact-resource-facts-7)

Three Hills Deposit · gold

#### Identity

- Project: Three Hills Deposit
- Commodity: gold
- Ticker: WVM

#### Resource Data

- Category: inferred
- Tonnes: 1008000
- Grade: 0.017
- Grade Unit: oz/ton
- Contained Metal: 17000
- Contained Unit: oz
- Cutoff Grade: 0.005

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-03-08T00:00:00.000Z

Reasoning: Inferred gold resource for the Three Hills Deposit, compliant with NI 43-101, but largely unchanged from previous studies.

- Positive factor: QP/CP Signed

- Positive factor: NI 43-101 Compliant

- Positive factor: Cut-off Disclosed

- Negative factor: Inferred Resource

- Negative factor: Resource estimate substantially unchanged from 2016 PFS

Evidence · table

> 1,008

Context: Inferred

### probable

[Link to this fact](https://atlas-staging.minestarters.com/news/west-vault-mining-files-on-sedar-a-hasbrouck-gold-project-pre-feasibility-study--e970fb42-b03a-4f5e-a030-d70304f85dc7#fact-resource-facts-8)

Three Hills Mine · gold

#### Identity

- Project: Three Hills Mine
- Commodity: gold
- Ticker: WVM

#### Resource Data

- Category: probable
- Tonnes: 9653000
- Grade: 0.018
- Grade Unit: oz Au/ton
- Contained Metal: 175000
- Contained Unit: oz
- Cutoff Grade: 0.005

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-03-08T00:00:00.000Z

Reasoning: Probable gold reserve for the Three Hills Mine, compliant with NI 43-101, but largely unchanged from previous studies.

- Positive factor: QP/CP Signed

- Positive factor: NI 43-101 Compliant

- Positive factor: Cut-off Disclosed

- Positive factor: Probable Reserve

- Negative factor: Reserve estimate substantially unchanged from 2016 PFS

Evidence · table

> 9,653

Context: Probable

### proven

[Link to this fact](https://atlas-staging.minestarters.com/news/west-vault-mining-files-on-sedar-a-hasbrouck-gold-project-pre-feasibility-study--e970fb42-b03a-4f5e-a030-d70304f85dc7#fact-resource-facts-9)

Hasbrouck Mine · gold

#### Identity

- Project: Hasbrouck Mine
- Commodity: gold
- Ticker: WVM

#### Resource Data

- Category: proven
- Tonnes: 6130000
- Grade: 0.021
- Grade Unit: oz Au/ton
- Contained Metal: 126000
- Contained Unit: oz
- Cutoff Grade: 5.17

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-03-08T00:00:00.000Z

Reasoning: Proven gold reserve for the Hasbrouck Mine, compliant with NI 43-101, but largely unchanged from previous studies.

- Positive factor: QP/CP Signed

- Positive factor: NI 43-101 Compliant

- Positive factor: Cut-off Disclosed

- Positive factor: Proven Reserve

- Negative factor: Reserve estimate substantially unchanged from 2016 PFS

Evidence · table

> 6,130

Context: Proven

### proven

[Link to this fact](https://atlas-staging.minestarters.com/news/west-vault-mining-files-on-sedar-a-hasbrouck-gold-project-pre-feasibility-study--e970fb42-b03a-4f5e-a030-d70304f85dc7#fact-resource-facts-10)

Hasbrouck Mine · silver

#### Identity

- Project: Hasbrouck Mine
- Commodity: silver
- Ticker: WVM

#### Resource Data

- Category: proven
- Tonnes: 6130000
- Grade: 0.417
- Grade Unit: oz Ag/ton
- Contained Metal: 2558000
- Contained Unit: oz
- Cutoff Grade: 5.17

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-03-08T00:00:00.000Z

Reasoning: Proven silver reserve for the Hasbrouck Mine, compliant with NI 43-101, but largely unchanged from previous studies.

- Positive factor: QP/CP Signed

- Positive factor: NI 43-101 Compliant

- Positive factor: Cut-off Disclosed

- Positive factor: Proven Reserve

- Negative factor: Reserve estimate substantially unchanged from 2016 PFS

Evidence · table

> 0.417

Context: Proven

### probable

[Link to this fact](https://atlas-staging.minestarters.com/news/west-vault-mining-files-on-sedar-a-hasbrouck-gold-project-pre-feasibility-study--e970fb42-b03a-4f5e-a030-d70304f85dc7#fact-resource-facts-11)

Hasbrouck Mine · gold

#### Identity

- Project: Hasbrouck Mine
- Commodity: gold
- Ticker: WVM

#### Resource Data

- Category: probable
- Tonnes: 28239000
- Grade: 0.016
- Grade Unit: oz Au/ton
- Contained Metal: 452000
- Contained Unit: oz
- Cutoff Grade: 5.17

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-03-08T00:00:00.000Z

Reasoning: Probable gold reserve for the Hasbrouck Mine, compliant with NI 43-101, but largely unchanged from previous studies.

- Positive factor: QP/CP Signed

- Positive factor: NI 43-101 Compliant

- Positive factor: Cut-off Disclosed

- Positive factor: Probable Reserve

- Negative factor: Reserve estimate substantially unchanged from 2016 PFS

Evidence · table

> 28,239

Context: Probable

### probable

[Link to this fact](https://atlas-staging.minestarters.com/news/west-vault-mining-files-on-sedar-a-hasbrouck-gold-project-pre-feasibility-study--e970fb42-b03a-4f5e-a030-d70304f85dc7#fact-resource-facts-12)

Hasbrouck Mine · silver

#### Identity

- Project: Hasbrouck Mine
- Commodity: silver
- Ticker: WVM

#### Resource Data

- Category: probable
- Tonnes: 28239000
- Grade: 0.281
- Grade Unit: oz Ag/ton
- Contained Metal: 7946000
- Contained Unit: oz
- Cutoff Grade: 5.17

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-03-08T00:00:00.000Z

Reasoning: Probable silver reserve for the Hasbrouck Mine, compliant with NI 43-101, but largely unchanged from previous studies.

- Positive factor: QP/CP Signed

- Positive factor: NI 43-101 Compliant

- Positive factor: Cut-off Disclosed

- Positive factor: Probable Reserve

- Negative factor: Reserve estimate substantially unchanged from 2016 PFS

Evidence · table

> 0.281

Context: Probable

### proven

[Link to this fact](https://atlas-staging.minestarters.com/news/west-vault-mining-files-on-sedar-a-hasbrouck-gold-project-pre-feasibility-study--e970fb42-b03a-4f5e-a030-d70304f85dc7#fact-resource-facts-13)

Total Hasbrouck Gold Project · gold

#### Identity

- Project: Total Hasbrouck Gold Project
- Commodity: gold
- Ticker: WVM

#### Resource Data

- Category: proven
- Tonnes: 6130000
- Grade: 0.021
- Grade Unit: oz Au/ton
- Contained Metal: 126000
- Contained Unit: oz
- Cutoff Grade: 5.17

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-03-08T00:00:00.000Z

Reasoning: Proven gold reserve for the Total Hasbrouck Gold Project, compliant with NI 43-101, but largely unchanged from previous studies.

- Positive factor: QP/CP Signed

- Positive factor: NI 43-101 Compliant

- Positive factor: Cut-off Disclosed

- Positive factor: Proven Reserve

- Negative factor: Reserve estimate substantially unchanged from 2016 PFS

Evidence · table

> 6,130

Context: Proven

### proven

[Link to this fact](https://atlas-staging.minestarters.com/news/west-vault-mining-files-on-sedar-a-hasbrouck-gold-project-pre-feasibility-study--e970fb42-b03a-4f5e-a030-d70304f85dc7#fact-resource-facts-14)

Total Hasbrouck Gold Project · silver

#### Identity

- Project: Total Hasbrouck Gold Project
- Commodity: silver
- Ticker: WVM

#### Resource Data

- Category: proven
- Tonnes: 6130000
- Grade: 0.417
- Grade Unit: oz Ag/ton
- Contained Metal: 2558000
- Contained Unit: oz
- Cutoff Grade: 5.17

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-03-08T00:00:00.000Z

Reasoning: Proven silver reserve for the Total Hasbrouck Gold Project, compliant with NI 43-101, but largely unchanged from previous studies.

- Positive factor: QP/CP Signed

- Positive factor: NI 43-101 Compliant

- Positive factor: Cut-off Disclosed

- Positive factor: Proven Reserve

- Negative factor: Reserve estimate substantially unchanged from 2016 PFS

Evidence · table

> 0.417

Context: Proven

### probable

[Link to this fact](https://atlas-staging.minestarters.com/news/west-vault-mining-files-on-sedar-a-hasbrouck-gold-project-pre-feasibility-study--e970fb42-b03a-4f5e-a030-d70304f85dc7#fact-resource-facts-15)

Total Hasbrouck Gold Project · gold

#### Identity

- Project: Total Hasbrouck Gold Project
- Commodity: gold
- Ticker: WVM

#### Resource Data

- Category: probable
- Tonnes: 37893000
- Grade: 0.017
- Grade Unit: oz Au/ton
- Contained Metal: 627000
- Contained Unit: oz
- Cutoff Grade: 5.17

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-03-08T00:00:00.000Z

Reasoning: Probable gold reserve for the Total Hasbrouck Gold Project, compliant with NI 43-101, but largely unchanged from previous studies.

- Positive factor: QP/CP Signed

- Positive factor: NI 43-101 Compliant

- Positive factor: Cut-off Disclosed

- Positive factor: Probable Reserve

- Negative factor: Reserve estimate substantially unchanged from 2016 PFS

Evidence · table

> 37,893

Context: Probable

### probable

[Link to this fact](https://atlas-staging.minestarters.com/news/west-vault-mining-files-on-sedar-a-hasbrouck-gold-project-pre-feasibility-study--e970fb42-b03a-4f5e-a030-d70304f85dc7#fact-resource-facts-16)

Total Hasbrouck Gold Project · silver

#### Identity

- Project: Total Hasbrouck Gold Project
- Commodity: silver
- Ticker: WVM

#### Resource Data

- Category: probable
- Tonnes: 37893000
- Grade: 0.21
- Grade Unit: oz Ag/ton
- Contained Metal: 7946000
- Contained Unit: oz
- Cutoff Grade: 5.17

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-03-08T00:00:00.000Z

Reasoning: Probable silver reserve for the Total Hasbrouck Gold Project, compliant with NI 43-101, but largely unchanged from previous studies.

- Positive factor: QP/CP Signed

- Positive factor: NI 43-101 Compliant

- Positive factor: Cut-off Disclosed

- Positive factor: Probable Reserve

- Negative factor: Reserve estimate substantially unchanged from 2016 PFS

Evidence · table

> 0.210

Context: Probable

### Fact 18

[Link to this fact](https://atlas-staging.minestarters.com/news/west-vault-mining-files-on-sedar-a-hasbrouck-gold-project-pre-feasibility-study--e970fb42-b03a-4f5e-a030-d70304f85dc7#fact-resource-facts-17)

Hasbrouck Gold Project · gold

#### Identity

- Project: Hasbrouck Gold Project
- Commodity: gold
- Ticker: WVM

#### Review

- Needs Review: No
- Historical: No

#### Dates

- Event date: 2023-03-08T00:00:00.000Z

Reasoning: Good average gold recovery of 75% achieved via heap leach for the all-oxide ore, supported by 13 test programs.

- Positive factor: High Recovery

- Positive factor: Heap Leach Route

- Positive factor: Free Milling

- Positive factor: Multi-Domain Tested

Evidence · table

> 75% average heap-leach gold recovery

Context: Metallurgy

## 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.