Tintina Mines Announces Commencement of Drilling at the Dos Amigos Project in Chile
Original announcement by orestocks on
- Company
- Tintina Mines Limited
- Ticker
- TTS.V
- Exchange
- Unavailable
- Region
- Atacama Region, Chile
- Primary commodity
- Copper
- Secondary commodities
- Gold
- Document categories
- Drill results, Resource update, Other
- Extracted
- 2026-09-22 12:27:40 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. The company also announced the appointment of Richard Leclerc as General Manager and provided updated Mineral Resource figures from its recent PEA.
Reasoning: The announcement of a major 40,000m infill program to upgrade resources for a feasibility study is a significant de-risking milestone for a copper-gold project.
Positive factors
- Commencement of large 40,000m infill drilling program
- Significant existing resource base (357 Mt total)
- Clear path to feasibility study
- Appointment of experienced General Manager
Negative factors
- High proportion of Inferred resources (72%)
Facts used in scoring: 4
Classification and evidence
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: The 40,000m program is explicitly described as infill drilling to support resource conversion.
Evidence · text
“40,000-metre infill drilling program underway”
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: A large portion of the reported resource (256.3 Mt) is in the Inferred category.
Evidence · text
“Inferred Mineral Resources - 256.3 Mt at 0.34% copper”
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.”
Extracted facts
Stored fact records: 4. Some facts used in scoring do not have a stored record.
Drill Results (2)
SDDK 18-035Dos Amigos · copperGrade: 0.56Grade Unit: %Intercept: 232 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SDDK 18-035
- Project
- Dos Amigos
- Commodity
- copper
- Region
- chile
- Reported Region
- chile
- Ticker
- TTS.V
Geometry
- Grade
- 0.56
- Grade Unit
- %
- Intercept
- 232 m
- From
- 18 m
- To
- 250 m
- Intercept Depth
- 18 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- SDDK 18-035:18-250
- Mining Method
- open_pit
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Assumptions Disclosed
- Yes
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: Significant copper intercept from 2018 drilling.
Positive factors
- Strong copper grade for a porphyry target
Negative factors
- Historical data
Evidence · text
“returned 230m @ 0.56% copper ("Cu") and 0.33 g/t gold ("Au") from 18m to end-of-hole (SDDK 18-035)”
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 18-035Dos Amigos · goldGrade: 0.33Grade Unit: g/tIntercept: 232 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- SDDK 18-035
- Project
- Dos Amigos
- Commodity
- gold
- Region
- chile
- Reported Region
- chile
- Ticker
- TTS.V
Geometry
- Grade
- 0.33
- Grade Unit
- g/t
- Intercept
- 232 m
- From
- 18 m
- To
- 250 m
- Intercept Depth
- 18 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- SDDK 18-035:18-250
- Mining Method
- open_pit
QA/QC
- Laboratory
- ALS
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Metal Equivalent
- Assumptions Disclosed
- Yes
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: Gold grade is marginal.
Negative factors
- Historical data
Evidence · text
“returned 230m @ 0.56% copper ("Cu") and 0.33 g/t gold ("Au") from 18m to end-of-hole (SDDK 18-035)”
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.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-01-23T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Sophia Bascuñán Moraga, Joled Nur Paredes, James Purchase
- Resource group id
- resource:24b7424f9858c632d7ac
- Mining method
- open_pit
Resource Data
- Category
- inferred
- Tonnes
- 256300000
- Grade
- 0.34
- Grade Unit
- %
- Cutoff Grade
- 0.2
- Cutoff Unit
- % total copper
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: Large scale Inferred resource provides significant upside but lacks geological confidence.
Positive factors
- Very large tonnage
Negative factors
- High proportion of Inferred resource
Evidence · text
“Inferred Mineral Resources - 256.3 Mt at 0.34% copper and 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
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
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.V
Resource scope
- Estimate type
- resource
- Effective date
- 2026-01-23T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Sophia Bascuñán Moraga, Joled Nur Paredes, James Purchase
- Resource group id
- resource:24b7424f9858c632d7ac
- Mining method
- open_pit
Resource Data
- Category
- inferred
- Tonnes
- 256300000
- Grade
- 0.24
- Grade Unit
- g/t
- Cutoff Grade
- 0.2
- Cutoff Unit
- % total copper
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-09-22T00:00:00.000Z
Reasoning: Gold component of the Inferred resource.
Evidence · text
“Inferred Mineral Resources - 256.3 Mt at 0.34% copper and 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
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
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.