# Vault Strategic Engages Rangefront Mining Services For Maiden Exploration Program At Historical Mirage-Mariposa Tungsten Mine Canonical Atlas analysis: https://atlas-extractions.minestarters.com/news/vault-strategic-engages-rangefront-mining-services-for-maiden-exploration-progra--541af56d-2e8a-44b8-b661-bf1afd38e9e9 Original source: https://money.tmx.com/en/quote/KNOX/news/6109638553225494/vault-strategic-engages-rangefront-mining-services-for-maiden-exploration-progra Publisher: tmx Original announcement: 2026-05-15T23:00:00.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: Vault Strategic Mining Corp. - Ticker: KNOX - Exchange: TSX - Region: California - Primary commodity: Tungsten - Secondary commodities: Silver - Document categories: Resource update, Drill results, Other - Extracted: 2026-09-16 06:48:10 UTC Narrative sentiment: 0.40 · Bullish ## Minestarters Atlas summary Vault Strategic Mining Corp. has engaged Rangefront Mining Services to conduct a maiden exploration program at the historical Mirage-Mariposa tungsten mine in California. The program will focus on geological mapping, sampling, and target generation to evaluate the potential for expanding the historical tungsten resource. Reasoning: The company is initiating a maiden exploration program to validate and expand upon historical tungsten resources at the Mirage-Mariposa mine. - Positive factor: Engagement of experienced geological consulting firm Rangefront Mining Services - Positive factor: Strategic critical mineral focus \(tungsten\) - Positive factor: Defined maiden exploration program scope including mapping, sampling, and target generation - Negative factor: Historical resource is subeconomic and not NI 43-101 compliant - Negative factor: Company has not independently verified historical data Facts used in scoring: 2 ## Classification and evidence **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: The program targets the historical Mirage-Mariposa mine within the Gray Eagle Project. Evidence · text > maiden exploration program at the Historical Mirage-Mariposa Tungsten Mine, included within the Gray Eagle Project **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: The historical resource mentioned is not NI 43-101 compliant and has not been independently verified. Evidence · text > The historical resource estimate predates National Instrument 43-101... and was not prepared in accordance with NI 43-101. ## Extracted facts Stored fact records: 2. Some facts used in scoring do not have a stored record. ## Resource Estimates (2) ### indicated [Link to this fact](https://atlas-extractions.minestarters.com/news/vault-strategic-engages-rangefront-mining-services-for-maiden-exploration-progra--541af56d-2e8a-44b8-b661-bf1afd38e9e9#fact-resource-facts-0) Gray Eagle Project · tungsten Historical result Needs review: historical\_restatement #### Identity - Project: Gray Eagle Project - Commodity: tungsten - Region: california - Reported Region: California - Ticker: KNOX #### Resource scope - Estimate type: resource - Reporting standards: other - QP Signed: No - Resource group id: resource:a685743b16ad8b6e96c9 - Deposit or zone: Mirage-Mariposa #### Resource Data - Category: indicated - Tonnes: 21000 - Grade: 0.15 - Grade Unit: % #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes #### Dates - Event date: 2026-05-15T00:00:00.000Z Reasoning: Historical USGS data provided for context; not a new resource estimate by the company. - Negative factor: Subeconomic resources - Negative factor: Not NI 43-101 compliant Evidence · text > approximately 21,000 indicated tons and 34,400 inferred tons of subeconomic resources, with an average grade of 0.15% tungsten trioxide #### 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 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 **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/vault-strategic-engages-rangefront-mining-services-for-maiden-exploration-progra--541af56d-2e8a-44b8-b661-bf1afd38e9e9#fact-resource-facts-1) Gray Eagle Project · tungsten Historical result Needs review: historical\_restatement #### Identity - Project: Gray Eagle Project - Commodity: tungsten - Region: california - Reported Region: California - Ticker: KNOX #### Resource scope - Estimate type: resource - Reporting standards: other - QP Signed: No - Resource group id: resource:944d32cff26bb5e94382 - Deposit or zone: Mirage-Mariposa #### Resource Data - Category: inferred - Tonnes: 34400 - Grade: 0.15 - Grade Unit: % #### Review - Needs Review: Yes - Review Reason: historical\_restatement - Historical: Yes #### Dates - Event date: 2026-05-15T00:00:00.000Z Reasoning: Historical USGS data provided for context; not a new resource estimate by the company. - Negative factor: Subeconomic resources - Negative factor: Not NI 43-101 compliant Evidence · text > approximately 21,000 indicated tons and 34,400 inferred tons of subeconomic resources, with an average grade of 0.15% tungsten trioxide #### 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 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 **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.