# Potential of Antinomy & Copper at Black Star Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/potential-of-antinomy-copper-at-black-star--6a80d409-e54b-4615-9a20-90de25547c92 Original source: https://www.londonstockexchange.com/news-article/BTC/potential-of-antinomy-copper-at-black-star/17818854 Publisher: lse Original announcement: 2026-10-05T05:00:07.000Z Analysis by Minestarters Atlas Atlas analysis published: 2026-10-05T08:04:14.949Z Atlas analysis updated: 2026-10-05T08:04:14.949Z - Company: LONDON BTC COMPANY LIMITED - Ticker: BTC - Exchange: LSE - Region: Nevada - Primary commodity: Antimony - Secondary commodities: Copper, Gold, Silver, Bismuth - Document categories: Drill results, Other - Extracted: 2026-10-05 08:04:15 UTC Narrative sentiment: 0.60 · Bullish ## Minestarters Atlas summary London BTC has identified antimony and copper potential at its Black Star Project in Nevada using preliminary pXRF field analysis. The multi-element signature was detected across a 2.5 km corridor, potentially adding a critical mineral component to the existing gold-silver exploration target. Samples have been submitted to MSALABS for formal laboratory assay verification. Reasoning: The announcement reports the first identification of antimony at the Black Star project using pXRF, suggesting a potential critical mineral credit, though laboratory verification is still pending. - Positive factor: Identification of critical mineral antimony across a 2.5 km corridor - Positive factor: Multi-element signature \(Sb-Cu-Bi-Ag\) consistent with historical mineralisation - Positive factor: High copper readings \(up to 30%\) identified via pXRF - Negative factor: Results are preliminary pXRF field readings, not laboratory assays - Negative factor: pXRF is indicative and subject to significant error on unprepared surfaces - Negative factor: Silver readings are qualitative only Low confidence — this extraction should be reviewed alongside the original source. Facts used in scoring: 8 ## Classification and evidence **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 antimony and copper results are based on preliminary pXRF field readings which are not subject to laboratory QA/QC. Evidence · text > These are preliminary field readings and laboratory assays remain the important next step. **Step-Out Extension** Polarity: positive Definition: Mineralization extended beyond the previously known limit. Why it applies: The identification of antimony across a 2.5 km corridor between Western and Eastern targets suggests extension of the mineralized system. Evidence · text > indicated the presence of antimony at both ends of an approximately 2.5 km corridor ## Extracted facts Stored fact records: 8. Some facts used in scoring do not have a stored record. ## Drill Results (8) ### BTCRK1014 [Link to this fact](https://atlas-staging.minestarters.com/news/potential-of-antinomy-copper-at-black-star--6a80d409-e54b-4615-9a20-90de25547c92#fact-drill-facts-0) Black Star · antimony #### Identity - Hole ID: BTCRK1014 - Project: Black Star - Commodity: antimony - Region: usa\_nv - Reported Region: Nevada - Ticker: BTC #### Geometry - Grade: 4406 - Grade Unit: ppm #### Classification - Sample Type: surface - Group ID: BTCRK1014:0-0 - Mining Method: unknown #### Location - Location: Eastern Target - Loc. Source: document #### QA/QC - QA/QC Disclosed: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-05T00:00:00.000Z Reasoning: High antimony reading via pXRF at the Eastern Target. - Positive factor: High antimony reading \(0.44% Sb\) at Eastern Target - Negative factor: Preliminary pXRF reading on unprepared surface #### 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 ### BTCRK1014 [Link to this fact](https://atlas-staging.minestarters.com/news/potential-of-antinomy-copper-at-black-star--6a80d409-e54b-4615-9a20-90de25547c92#fact-drill-facts-1) Black Star · copper #### Identity - Hole ID: BTCRK1014 - Project: Black Star - Commodity: copper - Region: usa\_nv - Reported Region: Nevada - Ticker: BTC #### Geometry - Grade: 2.32 - Grade Unit: % #### Classification - Sample Type: surface - Group ID: BTCRK1014:0-0 - Mining Method: unknown #### Location - Location: Eastern Target - Loc. Source: document #### QA/QC - QA/QC Disclosed: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-05T00:00:00.000Z Reasoning: Copper detected via pXRF at the Eastern Target. - Positive factor: Presence of copper alongside antimony - Negative factor: Preliminary pXRF reading #### 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 ### BTCRK1032 [Link to this fact](https://atlas-staging.minestarters.com/news/potential-of-antinomy-copper-at-black-star--6a80d409-e54b-4615-9a20-90de25547c92#fact-drill-facts-2) Black Star · antimony #### Identity - Hole ID: BTCRK1032 - Project: Black Star - Commodity: antimony - Region: usa\_nv - Reported Region: Nevada - Ticker: BTC #### Geometry - Grade: 1698 - Grade Unit: ppm #### Classification - Sample Type: surface - Group ID: BTCRK1032:0-0 - Mining Method: unknown #### Location - Location: Western Target - Loc. Source: document #### QA/QC - QA/QC Disclosed: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-05T00:00:00.000Z Reasoning: Antimony detected via pXRF at the Western Target. - Positive factor: Antimony identified at Western Target - Negative factor: Preliminary pXRF reading #### 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 ### BTCRK1032 [Link to this fact](https://atlas-staging.minestarters.com/news/potential-of-antinomy-copper-at-black-star--6a80d409-e54b-4615-9a20-90de25547c92#fact-drill-facts-3) Black Star · copper #### Identity - Hole ID: BTCRK1032 - Project: Black Star - Commodity: copper - Region: usa\_nv - Reported Region: Nevada - Ticker: BTC #### Geometry - Grade: 30 - Grade Unit: % #### Classification - Sample Type: surface - Group ID: BTCRK1032:0-0 - Mining Method: unknown #### Location - Location: Western Target - Loc. Source: document #### QA/QC - QA/QC Disclosed: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-05T00:00:00.000Z Reasoning: Exceptional copper reading via pXRF at the Western Target. - Positive factor: Very high copper reading \(30%\) - Negative factor: Preliminary pXRF reading #### 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 ### BTCRK1033 [Link to this fact](https://atlas-staging.minestarters.com/news/potential-of-antinomy-copper-at-black-star--6a80d409-e54b-4615-9a20-90de25547c92#fact-drill-facts-4) Black Star · antimony #### Identity - Hole ID: BTCRK1033 - Project: Black Star - Commodity: antimony - Region: usa\_nv - Reported Region: Nevada - Ticker: BTC #### Geometry - Grade: 1548 - Grade Unit: ppm #### Classification - Sample Type: surface - Group ID: BTCRK1033:0-0 - Mining Method: unknown #### Location - Location: Western Target - Loc. Source: document #### QA/QC - QA/QC Disclosed: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-05T00:00:00.000Z Reasoning: Antimony detected via pXRF at the Western Target. - Positive factor: Antimony identified at Western Target - Negative factor: Preliminary pXRF reading #### 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 ### BTCRK1033 [Link to this fact](https://atlas-staging.minestarters.com/news/potential-of-antinomy-copper-at-black-star--6a80d409-e54b-4615-9a20-90de25547c92#fact-drill-facts-5) Black Star · copper #### Identity - Hole ID: BTCRK1033 - Project: Black Star - Commodity: copper - Region: usa\_nv - Reported Region: Nevada - Ticker: BTC #### Geometry - Grade: 18.4 - Grade Unit: % #### Classification - Sample Type: surface - Group ID: BTCRK1033:0-0 - Mining Method: unknown #### Location - Location: Western Target - Loc. Source: document #### QA/QC - QA/QC Disclosed: No #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-05T00:00:00.000Z Reasoning: Copper detected via pXRF at the Western Target. - Positive factor: High copper reading - Negative factor: Preliminary pXRF reading #### 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 ### BTCRK110 [Link to this fact](https://atlas-staging.minestarters.com/news/potential-of-antinomy-copper-at-black-star--6a80d409-e54b-4615-9a20-90de25547c92#fact-drill-facts-6) Black Star · gold #### Identity - Hole ID: BTCRK110 - Project: Black Star - Commodity: gold - Region: usa\_nv - Reported Region: usa\_nv - Ticker: BTC #### Geometry - Grade: 16.23 - Grade Unit: g/t #### Classification - Sample Type: drill - Group ID: BTCRK110:0-0 - Mining Method: unknown #### Location - Location: Western Target - Loc. Source: document #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-05T00:00:00.000Z Reasoning: High-grade gold intercept confirmed by laboratory assay. - Positive factor: High-grade gold confirmed via PhotonAssay #### 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 ### BTCRK110 [Link to this fact](https://atlas-staging.minestarters.com/news/potential-of-antinomy-copper-at-black-star--6a80d409-e54b-4615-9a20-90de25547c92#fact-drill-facts-7) Black Star · silver #### Identity - Hole ID: BTCRK110 - Project: Black Star - Commodity: silver - Region: usa\_nv - Reported Region: usa\_nv - Ticker: BTC #### Geometry - Grade: 49 - Grade Unit: g/t #### Classification - Sample Type: drill - Group ID: BTCRK110:0-0 - Mining Method: unknown #### Location - Location: Western Target - Loc. Source: document #### Review - Needs Review: No - Interp. Status: scored - Historical: No #### Dates - Event date: 2026-10-05T00:00:00.000Z Reasoning: Silver intercept confirmed by laboratory assay. - Positive factor: Silver confirmed via PhotonAssay #### 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.