# American Tungsten & Antimony lifts the lid on Dutch Mountain with maiden drilling Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/american-tungsten-antimony-lifts-the-lid-on-dutch-mountain-with-maiden-drilling--8929fa85-c7c8-42e5-8bec-4260939ebb00 Original source: https://stockhead.com.au/resources/american-tungsten-antimony-lifts-the-lid-on-dutch-mountain-with-maiden-drilling/ Publisher: stockhead Original announcement: 2026-09-07T02:43:59.000Z Analysis by Minestarters Atlas Atlas analysis published: Unknown date Atlas analysis updated: Unknown date - Company: American Tungsten & Antimony - Ticker: AT4 - Exchange: Unavailable - Region: Utah - Primary commodity: Tungsten - Secondary commodities: None reported - Document categories: Drill results, Other - Extracted: 2026-09-07 03:02:13 UTC Narrative sentiment: 0.60 · Bullish ## Minestarters Atlas summary American Tungsten & Antimony has commenced its maiden drilling program at the Dutch Mountain tungsten project in Utah. The Phase 1 program consists of 11 holes targeting the Fraction Lode and eastern strike, following high-grade surface rock chip results of up to 1.48% WO3. Reasoning: The company has transitioned from surface sampling to maiden drilling at a tungsten project, supported by high-grade surface intercepts and strategic US policy tailwinds. - Positive factor: Commencement of maiden drilling program - Positive factor: High-grade surface rock chip results - Positive factor: Strategic critical mineral context in US - Positive factor: Identification of ten priority targets - Negative factor: Drilling results are still pending Facts used in scoring: 2 ## Classification and evidence **Step-Out Extension** Polarity: positive Definition: Mineralization extended beyond the previously known limit. Why it applies: The company is drilling to test the continuation of high-grade surface tungsten beneath historical workings and along a concealed skarn contact. Evidence · text > test whether high-grade surface tungsten continues beneath historical workings and along a concealed skarn contact **Nearology Play** Polarity: neutral Definition: Value premise rests on proximity to a known deposit rather than own results. Why it applies: The project is positioned to benefit from US strategic policy regarding domestic tungsten sourcing. Evidence · text > The drill program is landing amidst a much tighter strategic backdrop for tungsten in the US **Mill Route** Polarity: neutral Definition: Processing via mill or concentrator \(CIL, CIP, tank leach, flotation\). Why it applies: the document describes a mill\_cil route \("CIL"\) ## Extracted facts Stored fact records: 2. Some facts used in scoring do not have a stored record. ## Drill Results (2) ### Fact 1 [Link to this fact](https://atlas-staging.minestarters.com/news/american-tungsten-antimony-lifts-the-lid-on-dutch-mountain-with-maiden-drilling--8929fa85-c7c8-42e5-8bec-4260939ebb00#fact-drill-facts-0) Dutch Mountain · tungsten #### Identity - Project: Dutch Mountain - Commodity: tungsten - Region: usa\_ut - Reported Region: Utah - Ticker: AT4 #### Geometry - Grade: 1.48 - Grade Unit: % WO3 #### Classification - Sample Type: surface #### Location - Location: Stardust trend - Loc. Source: document #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-07T00:00:00.000Z Reasoning: 1.48% WO3 is a strong surface grade for tungsten. - Positive factor: High-grade surface intercept Evidence · text > Selective rock chips reached 11,764ppm W, equivalent to 1.48% WO3 #### 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 ### Fact 2 [Link to this fact](https://atlas-staging.minestarters.com/news/american-tungsten-antimony-lifts-the-lid-on-dutch-mountain-with-maiden-drilling--8929fa85-c7c8-42e5-8bec-4260939ebb00#fact-drill-facts-1) Dutch Mountain · tungsten #### Identity - Project: Dutch Mountain - Commodity: tungsten - Region: usa\_ut - Reported Region: Utah - Ticker: AT4 #### Geometry - Grade: 504 - Grade Unit: ppm W #### Classification - Sample Type: surface #### Location - Location: near the eastern drill pads - Loc. Source: document #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-09-07T00:00:00.000Z Reasoning: Soil anomaly supports the targeting of the eastern strike. - Positive factor: Soil geochemistry anomaly Evidence · text > peak result of 504ppm W near the eastern drill 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 ## 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.