Monarca Minerals Reports Completion of Phase 1 Exploration Drilling at San Jose Project and Preliminary Results Including 4.07 G/t Au over 3.0m
Original announcement by tmx on
- Company
- Monarca Minerals, Inc.
- Ticker
- MMN
- Exchange
- TSX
- Region
- Mexico
- Primary commodity
- Gold
- Secondary commodities
- Silver, Copper, Lead, Zinc
- Document categories
- Drill results, Other
- Extracted
- 2026-08-23 22:55:35 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Monarca Minerals has completed its Phase 1 RC drilling program at the San Jose project in Mexico, reporting several significant gold and base metal intercepts. The results demonstrate widespread mineralization within skarn and altered intrusive rocks, targeting IP anomalies.
Reasoning: The release reports promising initial assay results from a Phase 1 RC drilling program, intersecting significant gold and base metal mineralization in skarn-style targets.
Positive factors
- significant precious and base metal mineralization
- skarn mineralization potential
- widespread mineralization
Negative factors
- true widths unknown
- assay results still pending for some holes
Facts used in scoring: 23
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 mentions procedures including blanks, standards, and duplicates, and a QP review.
Evidence · text
“A sterile blank sample (un-mineralized basalt) and a mineralized reference standard (used by Monarca since 2009) are alternately placed in the sample sequence every 20th sample.”
Apparent Width Onlynegative
Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.
Why it applies: The document explicitly states that true widths are unknown due to insufficient drilling.
Evidence · text
“True widths are unknown at this time due to insufficient drilling”
Extracted facts
Stored fact records: 23. Some facts used in scoring do not have a stored record.
Drill Results (23)
SJ01San Jose · goldGrade: 4.07Grade Unit: g/tIntercept: 3 mView all detailsHide details
Identity
- Hole ID
- SJ01
- Project
- San Jose
- Commodity
- gold
- Ticker
- MMN
Geometry
- Grade
- 4.07
- Grade Unit
- g/t
- Intercept
- 3 m
Classification
- Sample Type
- drill
- Group ID
- SJ01:0-3.0
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2021-11-09T00:00:00.000Z
Reasoning: 4.07 g/t Au over 3.0m is a strong intercept for an exploration program.
Positive factors
- strong gold grade
SJ01San Jose · leadGrade: 0.23Grade Unit: %Intercept: 3 mView all detailsHide details
Identity
- Hole ID
- SJ01
- Project
- San Jose
- Commodity
- lead
- Ticker
- MMN
Geometry
- Grade
- 0.23
- Grade Unit
- %
- Intercept
- 3 m
Classification
- Sample Type
- drill
- Group ID
- SJ01:0-3.0
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2021-11-09T00:00:00.000Z
Reasoning: Presence of lead in the same interval as gold.
Positive factors
- base metal presence
SJ01San Jose · zincGrade: 0.49Grade Unit: %Intercept: 3 mView all detailsHide details
Identity
- Hole ID
- SJ01
- Project
- San Jose
- Commodity
- zinc
- Ticker
- MMN
Geometry
- Grade
- 0.49
- Grade Unit
- %
- Intercept
- 3 m
Classification
- Sample Type
- drill
- Group ID
- SJ01:0-3.0
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2021-11-09T00:00:00.000Z
Reasoning: Presence of zinc in the same interval as gold.
Positive factors
- base metal presence
SJ08San Jose · silverGrade: 79.5Grade Unit: g/tIntercept: 1.5 mView all detailsHide details
Identity
- Hole ID
- SJ08
- Project
- San Jose
- Commodity
- silver
- Ticker
- MMN
Geometry
- Grade
- 79.5
- Grade Unit
- g/t
- Intercept
- 1.5 m
- From
- 62.5 m
- To
- 64 m
Classification
- Sample Type
- drill
- Group ID
- SJ08:62.5-64.0
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2021-11-09T00:00:00.000Z
Reasoning: 79.5 g/t Ag is a notable intercept.
Positive factors
- high silver grade
SJ08San Jose · goldGrade: 0.04Grade Unit: g/tIntercept: 1.5 mView all detailsHide details
Identity
- Hole ID
- SJ08
- Project
- San Jose
- Commodity
- gold
- Ticker
- MMN
Geometry
- Grade
- 0.04
- Grade Unit
- g/t
- Intercept
- 1.5 m
- From
- 62.5 m
- To
- 64 m
Classification
- Sample Type
- drill
- Group ID
- SJ08:62.5-64.0
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2021-11-09T00:00:00.000Z
Reasoning: Gold grade is very low in this specific silver-rich interval.
Negative factors
- low gold grade
SJ08San Jose · copperGrade: 0.34Grade Unit: %Intercept: 1.5 mView all detailsHide details
Identity
- Hole ID
- SJ08
- Project
- San Jose
- Commodity
- copper
- Ticker
- MMN
Geometry
- Grade
- 0.34
- Grade Unit
- %
- Intercept
- 1.5 m
- From
- 62.5 m
- To
- 64 m
Classification
- Sample Type
- drill
- Group ID
- SJ08:62.5-64.0
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2021-11-09T00:00:00.000Z
Reasoning: Presence of copper in the interval.
Positive factors
- base metal presence
SJ08San Jose · leadGrade: 0.36Grade Unit: %Intercept: 1.5 mView all detailsHide details
Identity
- Hole ID
- SJ08
- Project
- San Jose
- Commodity
- lead
- Ticker
- MMN
Geometry
- Grade
- 0.36
- Grade Unit
- %
- Intercept
- 1.5 m
- From
- 62.5 m
- To
- 64 m
Classification
- Sample Type
- drill
- Group ID
- SJ08:62.5-64.0
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2021-11-09T00:00:00.000Z
Reasoning: Presence of lead in the interval.
Positive factors
- base metal presence
SJ08San Jose · zincGrade: 1.49Grade Unit: %Intercept: 1.5 mView all detailsHide details
Identity
- Hole ID
- SJ08
- Project
- San Jose
- Commodity
- zinc
- Ticker
- MMN
Geometry
- Grade
- 1.49
- Grade Unit
- %
- Intercept
- 1.5 m
- From
- 62.5 m
- To
- 64 m
Classification
- Sample Type
- drill
- Group ID
- SJ08:62.5-64.0
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2021-11-09T00:00:00.000Z
Reasoning: 1.49% Zn is a good intercept for an exploration hole.
Positive factors
- strong zinc grade
SJ08San Jose · goldGrade: 0.36Grade Unit: g/tIntercept: 6.1 mView all detailsHide details
Identity
- Hole ID
- SJ08
- Project
- San Jose
- Commodity
- gold
- Ticker
- MMN
Geometry
- Grade
- 0.36
- Grade Unit
- g/t
- Intercept
- 6.1 m
- From
- 91.4 m
- To
- 97.5 m
Classification
- Sample Type
- drill
- Group ID
- SJ08:91.4-97.5
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2021-11-09T00:00:00.000Z
Reasoning: 6.1m at 0.36 g/t Au is a decent exploration intercept.
Positive factors
- moderate gold grade
SJ08San Jose · copperGrade: 1Grade Unit: %Intercept: 6.1 mView all detailsHide details
Identity
- Hole ID
- SJ08
- Project
- San Jose
- Commodity
- copper
- Ticker
- MMN
Geometry
- Grade
- 1
- Grade Unit
- %
- Intercept
- 6.1 m
- From
- 91.4 m
- To
- 97.5 m
Classification
- Sample Type
- drill
- Group ID
- SJ08:91.4-97.5
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2021-11-09T00:00:00.000Z
Reasoning: 1.0% Cu is a strong intercept.
Positive factors
- strong copper grade
SJ08San Jose · goldGrade: 0.84Grade Unit: g/tIntercept: 1.5 mView all detailsHide details
Identity
- Hole ID
- SJ08
- Project
- San Jose
- Commodity
- gold
- Ticker
- MMN
Geometry
- Grade
- 0.84
- Grade Unit
- g/t
- Intercept
- 1.5 m
- From
- 231.6 m
- To
- 233.2 m
Classification
- Sample Type
- drill
- Group ID
- SJ08:231.6-233.2
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2021-11-09T00:00:00.000Z
Reasoning: 0.84 g/t Au is a good intercept.
Positive factors
- good gold grade
SJ08San Jose · goldGrade: 3.11Grade Unit: g/tIntercept: 3 mView all detailsHide details
Identity
- Hole ID
- SJ08
- Project
- San Jose
- Commodity
- gold
- Ticker
- MMN
Geometry
- Grade
- 3.11
- Grade Unit
- g/t
- Intercept
- 3 m
- From
- 257.6 m
- To
- 260.6 m
Classification
- Sample Type
- drill
- Group ID
- SJ08:257.6-260.6
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2021-11-09T00:00:00.000Z
Reasoning: 3.11 g/t Au is a strong intercept.
Positive factors
- strong gold grade
SJ08San Jose · silverGrade: 31.6Grade Unit: g/tIntercept: 3 mView all detailsHide details
Identity
- Hole ID
- SJ08
- Project
- San Jose
- Commodity
- silver
- Ticker
- MMN
Geometry
- Grade
- 31.6
- Grade Unit
- g/t
- Intercept
- 3 m
- From
- 257.6 m
- To
- 260.6 m
Classification
- Sample Type
- drill
- Group ID
- SJ08:257.6-260.6
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2021-11-09T00:00:00.000Z
Reasoning: Silver credits in a gold interval.
Positive factors
- silver presence
SJ08San Jose · copperGrade: 0.18Grade Unit: %Intercept: 3 mView all detailsHide details
Identity
- Hole ID
- SJ08
- Project
- San Jose
- Commodity
- copper
- Ticker
- MMN
Geometry
- Grade
- 0.18
- Grade Unit
- %
- Intercept
- 3 m
- From
- 257.6 m
- To
- 260.6 m
Classification
- Sample Type
- drill
- Group ID
- SJ08:257.6-260.6
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2021-11-09T00:00:00.000Z
Reasoning: Copper credits in a gold interval.
Positive factors
- copper presence
SJ10San Jose · goldGrade: 0.92Grade Unit: g/tIntercept: 1.5 mView all detailsHide details
Identity
- Hole ID
- SJ10
- Project
- San Jose
- Commodity
- gold
- Ticker
- MMN
Geometry
- Grade
- 0.92
- Grade Unit
- g/t
- Intercept
- 1.5 m
- From
- 349 m
- To
- 350.5 m
Classification
- Sample Type
- drill
- Group ID
- SJ10:349.0-350.5
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2021-11-09T00:00:00.000Z
Reasoning: 0.92 g/t Au is a good intercept.
Positive factors
- good gold grade
SJ10San Jose · goldGrade: 0.033Grade Unit: g/tIntercept: 1.5 mView all detailsHide details
Identity
- Hole ID
- SJ10
- Project
- San Jose
- Commodity
- gold
- Ticker
- MMN
Geometry
- Grade
- 0.033
- Grade Unit
- g/t
- Intercept
- 1.5 m
- From
- 213.4 m
Classification
- Sample Type
- drill
- Group ID
- SJ10:213.4-214.9
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2021-11-09T00:00:00.000Z
Reasoning: Very low gold grade.
Negative factors
- low gold grade
SJ10San Jose · silverGrade: 7.9Grade Unit: g/tIntercept: 1.5 mView all detailsHide details
Identity
- Hole ID
- SJ10
- Project
- San Jose
- Commodity
- silver
- Ticker
- MMN
Geometry
- Grade
- 7.9
- Grade Unit
- g/t
- Intercept
- 1.5 m
- From
- 213.4 m
Classification
- Sample Type
- drill
- Group ID
- SJ10:213.4-214.9
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2021-11-09T00:00:00.000Z
Reasoning: Silver credits in the interval.
Positive factors
- silver presence
SJ10San Jose · leadGrade: 0.53Grade Unit: %Intercept: 1.5 mView all detailsHide details
Identity
- Hole ID
- SJ10
- Project
- San Jose
- Commodity
- lead
- Ticker
- MMN
Geometry
- Grade
- 0.53
- Grade Unit
- %
- Intercept
- 1.5 m
- From
- 213.4 m
Classification
- Sample Type
- drill
- Group ID
- SJ10:213.4-214.9
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2021-11-09T00:00:00.000Z
Reasoning: Lead credits in the interval.
Positive factors
- base metal presence
SJ10San Jose · zincGrade: 0.49Grade Unit: %Intercept: 1.5 mView all detailsHide details
Identity
- Hole ID
- SJ10
- Project
- San Jose
- Commodity
- zinc
- Ticker
- MMN
Geometry
- Grade
- 0.49
- Grade Unit
- %
- Intercept
- 1.5 m
- From
- 213.4 m
Classification
- Sample Type
- drill
- Group ID
- SJ10:213.4-214.9
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2021-11-09T00:00:00.000Z
Reasoning: Zinc credits in the interval.
Positive factors
- base metal presence
SJ11San Jose · goldGrade: 0.86Grade Unit: g/tIntercept: 3 mView all detailsHide details
Identity
- Hole ID
- SJ11
- Project
- San Jose
- Commodity
- gold
- Ticker
- MMN
Geometry
- Grade
- 0.86
- Grade Unit
- g/t
- Intercept
- 3 m
- From
- 12.2 m
- To
- 15.2 m
Classification
- Sample Type
- drill
- Group ID
- SJ11:12.2-15.2
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2021-11-09T00:00:00.000Z
Reasoning: 0.86 g/t Au is a good intercept.
Positive factors
- good gold grade
SJ11San Jose · copperGrade: 0.17Grade Unit: %Intercept: 3 mView all detailsHide details
Identity
- Hole ID
- SJ11
- Project
- San Jose
- Commodity
- copper
- Ticker
- MMN
Geometry
- Grade
- 0.17
- Grade Unit
- %
- Intercept
- 3 m
- From
- 12.2 m
- To
- 15.2 m
Classification
- Sample Type
- drill
- Group ID
- SJ11:12.2-15.2
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2021-11-09T00:00:00.000Z
Reasoning: Copper credits in the interval.
Positive factors
- copper presence
SJ12San Jose · goldGrade: 0.13Grade Unit: g/tIntercept: 4.6 mView all detailsHide details
Identity
- Hole ID
- SJ12
- Project
- San Jose
- Commodity
- gold
- Ticker
- MMN
Geometry
- Grade
- 0.13
- Grade Unit
- g/t
- Intercept
- 4.6 m
Classification
- Sample Type
- drill
- Group ID
- SJ12:0-4.6
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2021-11-09T00:00:00.000Z
Reasoning: Low gold grade.
Negative factors
- low gold grade
SJ12San Jose · copperGrade: 0.33Grade Unit: %Intercept: 4.6 mView all detailsHide details
Identity
- Hole ID
- SJ12
- Project
- San Jose
- Commodity
- copper
- Ticker
- MMN
Geometry
- Grade
- 0.33
- Grade Unit
- %
- Intercept
- 4.6 m
Classification
- Sample Type
- drill
- Group ID
- SJ12:0-4.6
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2021-11-09T00:00:00.000Z
Reasoning: Copper credits in the interval.
Positive factors
- copper presence
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.