Masivo Confirms High-Grade Gold-Copper Mineralization Beneath Historic Boston Mine with 45 ft. of 3.25% Cu Equivalent Including 5ft. of 6.39% Cu equivalent
Original announcement by tmx on
- Company
- Masivo Silver Corp.
- Ticker
- MASS
- Exchange
- TSX
- Region
- Nevada
- Primary commodity
- Copper
- Secondary commodities
- Gold, Silver
- Document categories
- Drill results, Other
- Extracted
- 2026-09-14 10:39:36 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Masivo Silver Corp. has reported high-grade gold, silver, and copper drill results from the Boston Mine Project in Nevada. The drilling, including hole BM21-01, confirms the continuation of mineralization beneath historic underground workings and demonstrates successful step-out extension along the trend.
Reasoning: Strong high-grade copper-equivalent intercepts in step-out and undercut drilling confirm continuity of mineralization beneath historic mine workings.
Positive factors
- High-grade intercepts confirmed beneath historic workings
- Step-out drilling successful along the trend
- Mineralization remains open at depth and along strike
Negative factors
- Historical data not independently verified
Facts used in scoring: 6
Classification and evidence
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: Significant intercepts in step out drilling along the trend of underground development.
Evidence · text
“significant intercepts in step out drilling along the trend of underground development”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: Release includes sign-off by a Qualified Person (Brian Brewer, PGeo).
Evidence · text
“Brian Brewer, PGeo, is Masivo Silver's qualified person”
Extracted facts
Stored fact records: 6. Some facts used in scoring do not have a stored record.
Drill Results (6)
BM21-01Boston Mine · goldGrade: 2.86Grade Unit: g/tIntercept: 5 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- BM21-01
- Project
- Boston Mine
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- MASS
Geometry
- Grade
- 2.86
- Grade Unit
- g/t
- Intercept
- 5 m
Classification
- Sample Type
- drill
- Group ID
- BM21-01:unknown-unknown
- Mining Method
- underground
Location
- Location
- Boston Mine
- Loc. Source
- document
QA/QC
- QP Signed
- Yes
Metal Equivalent
- Metal Eq. Grade
- 6.39
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2021-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-15T00:00:00.000Z
Reasoning: High grade gold intercept in a sub-interval.
Positive factors
- High grade intercept
Evidence · text
“5 ft. of 2.86g/t Au, 84.7g.t Ag, 2.67% Cu (6.39% CuEq)”
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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The lower mine level has not been accessed, and the first drilling program was directed at testing mineralization betwee"
BM21-01Boston Mine · silverGrade: 84.7Grade Unit: g/tIntercept: 5 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- BM21-01
- Project
- Boston Mine
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- MASS
Geometry
- Grade
- 84.7
- Grade Unit
- g/t
- Intercept
- 5 m
Classification
- Sample Type
- drill
- Group ID
- BM21-01:unknown-unknown
- Mining Method
- underground
Location
- Location
- Boston Mine
- Loc. Source
- document
QA/QC
- QP Signed
- Yes
Metal Equivalent
- Metal Eq. Grade
- 6.39
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2021-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-15T00:00:00.000Z
Reasoning: High grade silver intercept in a sub-interval.
Positive factors
- High grade intercept
Evidence · text
“5 ft. of 2.86g/t Au, 84.7g.t Ag, 2.67% Cu (6.39% CuEq)”
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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The lower mine level has not been accessed, and the first drilling program was directed at testing mineralization betwee"
BM21-01Boston Mine · copperGrade: 2.67Grade Unit: %Intercept: 5 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- BM21-01
- Project
- Boston Mine
- Commodity
- copper
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- MASS
Geometry
- Grade
- 2.67
- Grade Unit
- %
- Intercept
- 5 m
Classification
- Sample Type
- drill
- Group ID
- BM21-01:unknown-unknown
- Mining Method
- underground
Location
- Location
- Boston Mine
- Loc. Source
- document
QA/QC
- QP Signed
- Yes
Metal Equivalent
- Metal Eq. Grade
- 6.39
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2021-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-15T00:00:00.000Z
Reasoning: High grade copper intercept in a sub-interval.
Positive factors
- High grade intercept
Evidence · text
“5 ft. of 2.86g/t Au, 84.7g.t Ag, 2.67% Cu (6.39% CuEq)”
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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The lower mine level has not been accessed, and the first drilling program was directed at testing mineralization betwee"
BM21-01Boston Mine · goldGrade: 1.73Grade Unit: g/tIntercept: 45 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- BM21-01
- Project
- Boston Mine
- Commodity
- gold
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- MASS
Geometry
- Grade
- 1.73
- Grade Unit
- g/t
- Intercept
- 45 m
Classification
- Sample Type
- drill
- Group ID
- BM21-01:unknown-unknown
- Mining Method
- underground
Location
- Location
- Boston Mine
- Loc. Source
- document
QA/QC
- QP Signed
- Yes
Metal Equivalent
- Metal Eq. Grade
- 3.25
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2021-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-15T00:00:00.000Z
Reasoning: Broad high-grade zone.
Positive factors
- Significant width
Evidence · text
“45 ft. of 1.73g/t Au, 34.7g/t Ag, and 1.14% Cu (3.25% CuEq)”
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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The lower mine level has not been accessed, and the first drilling program was directed at testing mineralization betwee"
BM21-01Boston Mine · silverGrade: 34.7Grade Unit: g/tIntercept: 45 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- BM21-01
- Project
- Boston Mine
- Commodity
- silver
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- MASS
Geometry
- Grade
- 34.7
- Grade Unit
- g/t
- Intercept
- 45 m
Classification
- Sample Type
- drill
- Group ID
- BM21-01:unknown-unknown
- Mining Method
- underground
Location
- Location
- Boston Mine
- Loc. Source
- document
QA/QC
- QP Signed
- Yes
Metal Equivalent
- Metal Eq. Grade
- 3.25
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2021-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-15T00:00:00.000Z
Reasoning: Broad high-grade zone.
Positive factors
- Significant width
Evidence · text
“45 ft. of 1.73g/t Au, 34.7g/t Ag, and 1.14% Cu (3.25% CuEq)”
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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The lower mine level has not been accessed, and the first drilling program was directed at testing mineralization betwee"
BM21-01Boston Mine · copperGrade: 1.14Grade Unit: %Intercept: 45 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- BM21-01
- Project
- Boston Mine
- Commodity
- copper
- Region
- usa_nv
- Reported Region
- usa_nv
- Ticker
- MASS
Geometry
- Grade
- 1.14
- Grade Unit
- %
- Intercept
- 45 m
Classification
- Sample Type
- drill
- Group ID
- BM21-01:unknown-unknown
- Mining Method
- underground
Location
- Location
- Boston Mine
- Loc. Source
- document
QA/QC
- QP Signed
- Yes
Metal Equivalent
- Metal Eq. Grade
- 3.25
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2021-01-01T00:00:00.000Z
Dates
- Event date
- 2026-07-15T00:00:00.000Z
Reasoning: Broad high-grade zone.
Positive factors
- Significant width
Evidence · text
“45 ft. of 1.73g/t Au, 34.7g/t Ag, and 1.14% Cu (3.25% CuEq)”
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
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: proximity is offered as the value premise: "The lower mine level has not been accessed, and the first drilling program was directed at testing mineralization betwee"
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.