Marifil Mines Reports New Gold System Discovery at the San Roque Gold Project
Original announcement by tmx on
- Company
- Marifil Mines Ltd.
- Ticker
- MFM
- Exchange
- TSX
- Region
- Rio Negro, Argentina
- Primary commodity
- Gold
- Secondary commodities
- Silver
- Document categories
- Drill results, Other
- Extracted
- 2026-09-12 07:56:43 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Marifil Mines has announced the discovery of the NW Vein System at the San Roque project in Argentina. The system consists of gold-bearing epithermal quartz veins, with trenching revealing high-grade gold and silver intercepts.
Reasoning: Discovery of a new epithermal vein system with high-grade surface showings (up to 24.66 g/t Au) in an advanced exploration project.
Positive factors
- New gold system discovery (NW Vein System)
- High-grade channel samples in trenches
- Epithermal quartz vein signatures
- QA/QC protocols disclosed
Negative factors
- Undrilled zone (requires verification)
- True width of historical hole unknown
Facts used in scoring: 7
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: Release details specific QA/QC protocols including blanks, standards, and duplicates.
Evidence · text
“The Company carried out a very careful and systematic Quality Assurance/Quality Control program”
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: 24.66 g/t Au is exceptionally high grade for an epithermal system.
Evidence · text
“24.66 g/t Au”
Extracted facts
Stored fact records: 7. Some facts used in scoring do not have a stored record.
Drill Results (7)
MIM RC 11San Roque · goldGrade: 4.26Grade Unit: g/tIntercept: 2 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- MIM RC 11
- Project
- San Roque
- Commodity
- gold
- Region
- argentina
- Reported Region
- argentina
- Ticker
- MFM
Geometry
- Grade
- 4.26
- Grade Unit
- g/t
- Intercept
- 2 m
- From
- 16 m
- To
- 18 m
- Intercept Depth
- 16 m
Classification
- Sample Type
- drill
- Group ID
- MIM RC 11:16-18
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2000-01-01T00:00:00.000Z
Dates
- Event date
- 2018-11-05T00:00:00.000Z
Reasoning: Historical drill hole result restated in this release.
Positive factors
- Gold grade of 4.26 g/t
Negative factors
- True width unknown
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
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: the fact restates a prior release
T-3San Roque · goldGrade: 9.06Grade Unit: g/tIntercept: 1.7 mView all detailsHide details
Identity
- Hole ID
- T-3
- Project
- San Roque
- Commodity
- gold
- Region
- argentina
- Reported Region
- Rio Negro, Argentina
- Ticker
- MFM
Geometry
- Grade
- 9.06
- Grade Unit
- g/t
- Intercept
- 1.7 m
Classification
- Sample Type
- channel
QA/QC
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2018-11-05T00:00:00.000Z
Reasoning: High-grade channel sample in Trench 3.
Positive factors
- High grade intercept (9.06 g/t Au)
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
T-3San Roque · silverGrade: 82Grade Unit: g/tIntercept: 1.7 mView all detailsHide details
Identity
- Hole ID
- T-3
- Project
- San Roque
- Commodity
- silver
- Region
- argentina
- Reported Region
- Rio Negro, Argentina
- Ticker
- MFM
Geometry
- Grade
- 82
- Grade Unit
- g/t
- Intercept
- 1.7 m
Classification
- Sample Type
- channel
- Group ID
- T-3:0-1.7
QA/QC
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2018-11-05T00:00:00.000Z
Reasoning: Silver grade associated with high-grade gold intercept in Trench 3.
Positive factors
- Significant silver grade (82 g/t Ag)
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
T-8San Roque · goldGrade: 2.18Grade Unit: g/tIntercept: 3 mView all detailsHide details
Identity
- Hole ID
- T-8
- Project
- San Roque
- Commodity
- gold
- Region
- argentina
- Reported Region
- Rio Negro, Argentina
- Ticker
- MFM
Geometry
- Grade
- 2.18
- Grade Unit
- g/t
- Intercept
- 3 m
Classification
- Sample Type
- channel
QA/QC
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2018-11-05T00:00:00.000Z
Reasoning: Open-ended channel sample in Trench 8.
Positive factors
- Gold grade of 2.18 g/t
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
T-9San Roque · goldGrade: 24.66Grade Unit: g/tIntercept: 0.2 mView all detailsHide details
Identity
- Hole ID
- T-9
- Project
- San Roque
- Commodity
- gold
- Region
- argentina
- Reported Region
- Rio Negro, Argentina
- Ticker
- MFM
Geometry
- Grade
- 24.66
- Grade Unit
- g/t
- Intercept
- 0.2 m
Classification
- Sample Type
- channel
QA/QC
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2018-11-05T00:00:00.000Z
Reasoning: Very high grade channel sample in Trench 9.
Positive factors
- Exceptional gold grade (24.66 g/t Au)
Negative factors
- Very narrow intercept (0.2 m)
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
T-9San Roque · silverGrade: 77.7Grade Unit: g/tIntercept: 0.2 mView all detailsHide details
Identity
- Hole ID
- T-9
- Project
- San Roque
- Commodity
- silver
- Region
- argentina
- Reported Region
- Rio Negro, Argentina
- Ticker
- MFM
Geometry
- Grade
- 77.7
- Grade Unit
- g/t
- Intercept
- 0.2 m
Classification
- Sample Type
- channel
- Group ID
- T-9:0-0.2
QA/QC
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2018-11-05T00:00:00.000Z
Reasoning: Silver grade associated with high-grade gold intercept in Trench 9.
Positive factors
- Significant silver grade (77.7 g/t Ag)
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
MFDDH-59San Roque · goldGrade: 1.21Grade Unit: g/tIntercept: 31.5 mView all detailsHide details
Identity
- Hole ID
- MFDDH-59
- Project
- San Roque
- Commodity
- gold
- Region
- argentina
- Reported Region
- argentina
- Ticker
- MFM
Geometry
- Grade
- 1.21
- Grade Unit
- g/t
- Intercept
- 31.5 m
- From
- 2 m
- To
- 33.5 m
- Intercept Depth
- 2 m
Classification
- Sample Type
- drill
- Group ID
- MFDDH-59:2-33.5
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, duplicates
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2018-11-05T00:00:00.000Z
Reasoning: Drill hole MFDDH-59 encountered 31.5m of 1.21 g/t Au.
Positive factors
- Significant width (31.5 m)
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.