Black Mammoth Metals Finds Chargeability Anomalies and Stakes Claims at Cottonwood, NV
Original announcement by tmx on
- Company
- Black Mammoth Metals Corporation
- Ticker
- BMM
- Exchange
- TSX
- Region
- Nevada
- Primary commodity
- Gold
- Secondary commodities
- Arsenic, Antimony, Mercury
- Document categories
- Drill results, Other
- Extracted
- 2026-09-13 14:50:51 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Black Mammoth Metals has announced positive IP geophysical survey results at the Cottonwood target in Nevada, identifying a high chargeability anomaly. Recent RC drilling intersected gold anomalies, including a 61m intercept at 0.416 g/t Au in hole CW-2B.
Reasoning: The IP survey successfully identified a significant chargeability anomaly and a prospective corridor, supported by RC drilling showing gold anomalies, though grades remain in the exploration/low-grade range.
Positive factors
- High chargeability anomaly identified via IP survey
- Strongly altered rocks with gold anomalies in RC holes
- Presence of high-grade sub-interval in CW-2B
- QA/QC disclosed via QP sign-off
Negative factors
- Drill results are relatively low grade (0.416 g/t Au)
- Presence of deleterious elements (arsenic, antimony, mercury) noted in hydrothermal fluids
Facts used in scoring: 2
Classification and evidence
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: The release includes a sign-off by a Qualified Person (Mark J. Abrams, CPG).
Evidence · text
“Mark J. Abrams, CPG #11451, a Qualified Person... has reviewed and approved the technical content”
Deleterious Elements Presentnegative
A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.
Why it applies: The document notes the presence of arsenic, antimony, and mercury-bearing hydrothermal fluids.
Evidence · text
“strongly altered by gold, arsenic, antimony and mercury-bearing hydrothermal fluids”
Extracted facts
Stored fact records: 2. Some facts used in scoring do not have a stored record.
Drill Results (2)
CW-2BCallaghan · goldGrade: 0.416Grade Unit: g/tIntercept: 61 mView all detailsHide details
Identity
- Hole ID
- CW-2B
- Project
- Callaghan
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- BMM
Geometry
- Grade
- 0.416
- Grade Unit
- g/t
- Intercept
- 61 m
Classification
- Program
- exploration
- Sample Type
- drill
QA/QC
- QP Signed
- Yes
- QA/QC Methods
- standards
Deleterious
- Deleterious Flag
- Yes
- Deleterious Elements
- arsenic, antimony, mercury
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-10-16T00:00:00.000Z
Reasoning: A wide but low-grade gold intercept in an RC hole.
Positive factors
- Significant width of 61m
Negative factors
- Low grade of 0.416 g/t Au
Evidence · text
“Hole CW-2B returned the best gold intercept: 61m @ 0.416 g/t”
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
Deleterious Elements Presentnegative
A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.
Why it applies: deleterious_flag is true
CW-2BCallaghan · goldGrade: 3.57Grade Unit: g/tIntercept: 3.048 mView all detailsHide details
Identity
- Hole ID
- CW-2B
- Project
- Callaghan
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- BMM
Geometry
- Grade
- 3.57
- Grade Unit
- g/t
- Intercept
- 3.048 m
Classification
- Program
- exploration
- Sample Type
- drill
QA/QC
- QP Signed
- Yes
- QA/QC Methods
- standards
Deleterious
- Deleterious Flag
- Yes
- Deleterious Elements
- arsenic, antimony, mercury
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2025-10-16T00:00:00.000Z
Reasoning: A high-grade narrow interval within a larger low-grade intercept.
Positive factors
- High-grade sub-interval
Evidence · text
“including 3.048m @ 3.57 g/t”
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
Deleterious Elements Presentnegative
A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.
Why it applies: deleterious_flag is true
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.