Monarca Minerals Reports Completion of Additional Three Drill Holes at San Jose Project - SJ10, SJ11 and SJ15
Original announcement by tmx on
- Company
- Monarca Minerals, Inc.
- Ticker
- MMN
- Exchange
- TSX
- Region
- Mexico
- Primary commodity
- Silver
- Secondary commodities
- Copper, Zinc, Lead
- Document categories
- Drill results
- Extracted
- 2026-09-16 11:14:44 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Monarca Minerals has completed three additional drill holes (SJ10, SJ11, and SJ15) at the San Jose project in Mexico. Field logging identified skarn mineralization with various sulfides, including pyrite, sphalerite, and galena, though assay results are pending.
Reasoning: The release announces the completion of drilling and field observations of mineralization, but lacks actual assay grades to confirm economic potential.
Positive factors
- successful completion of three drill holes
- intersection of skarn mineralization
- presence of sulfide minerals (pyrite, sphalerite, galena, chalcopyrite)
Negative factors
- no assay results reported in this release
Facts used in scoring: 3
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 details specific QA/QC procedures including blanks, standards, and duplicates, and mentions an ISO Accredited laboratory.
Evidence · text
“A sterile blank sample (un-mineralized basalt) and a mineralized reference standard... are alternately placed in the sample sequence every 20th sample.”
Extracted facts
Stored fact records: 3. Some facts used in scoring do not have a stored record.
Drill Results (3)
SJ10San JoseView all detailsHide details
Identity
- Hole ID
- SJ10
- Project
- San Jose
- Region
- mexico
- Reported Region
- mexico
- Ticker
- MMN
Geometry
- Hole Depth
- 352 m
Classification
- Program
- exploration
- Sample Type
- drill
Location
- Dip
- -60 °
QA/QC
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2021-09-14T00:00:00.000Z
Reasoning: Field observation of chalcopyrite noted, but no numeric grade provided.
Negative factors
- no assay results provided
Evidence · text
“Up to 5% pyrite, along with 0-1% localized dark sulfides and chalcopyrite were observed”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is 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
SJ11San JoseView all detailsHide details
Identity
- Hole ID
- SJ11
- Project
- San Jose
- Region
- mexico
- Reported Region
- mexico
- Ticker
- MMN
Geometry
- Hole Depth
- 259.1 m
Classification
- Program
- exploration
- Sample Type
- drill
Location
- Dip
- 0 °
QA/QC
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2021-09-14T00:00:00.000Z
Reasoning: Logging confirms presence of sulfides, but no grades reported.
Positive factors
- intersection of 65.5m of exoskarn
Negative factors
- no assay results provided
Evidence · text
“It intersected 65.5m of exoskarn above endoskarn with silicification”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is 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
SJ15San JoseView all detailsHide details
Identity
- Hole ID
- SJ15
- Project
- San Jose
- Region
- mexico
- Reported Region
- mexico
- Ticker
- MMN
Geometry
- Hole Depth
- 349 m
Classification
- Program
- exploration
- Sample Type
- drill
Location
- Dip
- 0 °
QA/QC
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2021-09-14T00:00:00.000Z
Reasoning: Logging confirms presence of sulfides, but no grades reported.
Positive factors
- significant thickness of exoskarn and endoskarn
Negative factors
- no assay results provided
Evidence · text
“It intersected 48.8m of exoskarn, above 298.7m of endoskarn.”
Tags used in scoring
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: qaqc_disclosed is 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.