Tintina Mines Announces Commencement of Drilling at the Dos Amigos Project in Chile
Original announcement by accesswire on
- Company
- Tintina Mines Limited
- Ticker
- TTS
- Exchange
- Unavailable
- Region
- Atacama Region, Chile
- Primary commodity
- Copper
- Secondary commodities
- Gold
- Document categories
- Drill results, Resource update
- Extracted
- 2026-09-22 11:51:09 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Tintina Mines has commenced a 40,000-metre diamond drilling program at the Dos Amigos project in Chile to convert Inferred resources to the Indicated category for a planned feasibility study. The company also reported its current Mineral Resource Estimate and restated historical 2018 drilling results from the Tricolor target.
Reasoning: The announcement of a major 40,000m infill program to upgrade resources for a feasibility study is highly material, though the specific drill results provided are historical restatements.
Positive factors
- Commencement of large 40,000m infill drilling program
- Significant existing resource base (357 Mt total)
- Clear path to feasibility study via resource conversion
Negative factors
- Historical drill results at Tricolor are being re-released (low novelty)
- Tricolor intercept lacks true width disclosure
Facts used in scoring: 4
Classification and evidence
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: The company announced a 40,000-metre infill drilling program to support resource conversion.
Evidence · text
“40,000-metre infill drilling program underway”
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 Tricolor intercept (SDDK 18-035) is reported as downhole width with no true width or orientation stated.
Evidence · text
“The current orientation of mineralization is unknown therefore the intercept may not reflect true widths.”
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 methods including standards, blanks, and duplicates.
Evidence · text
“The Company employed a rigorous QAQC program involving certified standards, blank, ¼ core duplicates and coarse reject duplicates.”
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: The Mineral Resource Estimate is prepared in accordance with NI 43-101 standards.
Evidence · text
“The Mineral resource estimates disclosed in this news release were reported... in accordance with NI 43-101.”
Extracted facts
Stored fact records: 4. Some facts used in scoring do not have a stored record.
Drill Results (2)
SDDK 18-035Tricolor · copperGrade: 0.56Grade Unit: %Intercept: 232 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SDDK 18-035
- Project
- Tricolor
- Commodity
- copper
- Region
- chile
- Reported Region
- chile
- Ticker
- TTS
Geometry
- Grade
- 0.56
- Grade Unit
- %
- Intercept
- 232 m
- From
- 18 m
- To
- 250 m
- Intercept Depth
- 18 m
Classification
- Sample Type
- drill
- Group ID
- SDDK 18-035:18-250
QA/QC
- QA/QC Disclosed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2018-01-01T00:00:00.000Z
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: 0.56% Cu over 232m is a solid intercept but is historical and lacks true width.
Positive factors
- Moderate copper grade over a significant width
Negative factors
- Historical data re-release
- Apparent width only
Evidence · table
“0.56”
Context: 250.0
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
SDDK 18-035Tricolor · goldGrade: 0.33Grade Unit: g/tIntercept: 232 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SDDK 18-035
- Project
- Tricolor
- Commodity
- gold
- Region
- chile
- Reported Region
- chile
- Ticker
- TTS
Geometry
- Grade
- 0.33
- Grade Unit
- g/t
- Intercept
- 232 m
- From
- 18 m
- To
- 250 m
- Intercept Depth
- 18 m
Classification
- Sample Type
- drill
- Group ID
- SDDK 18-035:18-250
QA/QC
- QA/QC Disclosed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2018-01-01T00:00:00.000Z
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: Low grade gold intercept from historical drilling.
Negative factors
- Historical data re-release
Evidence · table
“0.33”
Context: 250.0
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
Resource Estimates (2)
inferredDos Amigos · copperTonnes: 256300000Grade: 0.34Grade Unit: %View all detailsHide details
Identity
- Project
- Dos Amigos
- Commodity
- copper
- Region
- chile
- Reported Region
- Atacama Region, Chile
- Ticker
- TTS
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Resource group id
- resource:bff2a89050d76bfabbc1
- Deposit or zone
- Dos Amigos
Resource Data
- Category
- inferred
- Tonnes
- 256300000
- Grade
- 0.34
- Grade Unit
- %
- Cutoff Grade
- 0.2
- Cutoff Unit
- % total copper
Prior Estimate
- Resource Date
- 2026-01-23
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: Large Inferred resource provides significant upside for the infill program.
Positive factors
- Large Inferred tonnage
Negative factors
- High Inferred component
Evidence · text
“256.3 Mt at 0.34% copper”
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
inferredDos Amigos · goldTonnes: 256300000Grade: 0.24Grade Unit: g/tView all detailsHide details
Identity
- Project
- Dos Amigos
- Commodity
- gold
- Region
- chile
- Reported Region
- Atacama Region, Chile
- Ticker
- TTS
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Resource group id
- resource:bff2a89050d76bfabbc1
- Deposit or zone
- Dos Amigos
Resource Data
- Category
- inferred
- Tonnes
- 256300000
- Grade
- 0.24
- Grade Unit
- g/t
- Cutoff Grade
- 0.2
- Cutoff Unit
- % total copper
Prior Estimate
- Resource Date
- 2026-01-23
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: Gold component of the Inferred resource.
Evidence · text
“0.24 g/t gold”
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
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.