Potential of Antinomy & Copper at Black Star
Original announcement by lse on
- 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
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
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 factors
- Identification of critical mineral antimony across a 2.5 km corridor
- Multi-element signature (Sb-Cu-Bi-Ag) consistent with historical mineralisation
- High copper readings (up to 30%) identified via pXRF
Negative factors
- Results are preliminary pXRF field readings, not laboratory assays
- pXRF is indicative and subject to significant error on unprepared surfaces
- 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 Disclosurenegative
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 Extensionpositive
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)
BTCRK1014Black Star · antimonyGrade: 4406Grade Unit: ppmView all detailsHide details
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 factors
- High antimony reading (0.44% Sb) at Eastern Target
Negative factors
- Preliminary pXRF reading on unprepared surface
Tags used in scoring
No QA/QC Disclosurenegative
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
BTCRK1014Black Star · copperGrade: 2.32Grade Unit: %View all detailsHide details
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 factors
- Presence of copper alongside antimony
Negative factors
- Preliminary pXRF reading
Tags used in scoring
No QA/QC Disclosurenegative
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
BTCRK1032Black Star · antimonyGrade: 1698Grade Unit: ppmView all detailsHide details
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 factors
- Antimony identified at Western Target
Negative factors
- Preliminary pXRF reading
Tags used in scoring
No QA/QC Disclosurenegative
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
BTCRK1032Black Star · copperGrade: 30Grade Unit: %View all detailsHide details
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 factors
- Very high copper reading (30%)
Negative factors
- Preliminary pXRF reading
Tags used in scoring
No QA/QC Disclosurenegative
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
BTCRK1033Black Star · antimonyGrade: 1548Grade Unit: ppmView all detailsHide details
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 factors
- Antimony identified at Western Target
Negative factors
- Preliminary pXRF reading
Tags used in scoring
No QA/QC Disclosurenegative
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
BTCRK1033Black Star · copperGrade: 18.4Grade Unit: %View all detailsHide details
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 factors
- High copper reading
Negative factors
- Preliminary pXRF reading
Tags used in scoring
No QA/QC Disclosurenegative
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
BTCRK110Black Star · goldGrade: 16.23Grade Unit: g/tView all detailsHide details
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 factors
- High-grade gold confirmed via PhotonAssay
Tags used in scoring
No QA/QC Disclosurenegative
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
BTCRK110Black Star · silverGrade: 49Grade Unit: g/tView all detailsHide details
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 factors
- Silver confirmed via PhotonAssay
Tags used in scoring
No QA/QC Disclosurenegative
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 Undisclosednegative
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.