ACQUISITION OF THE JOAQUIN SILVER DISTRICT
Original announcement by research on
- Company
- Unico Silver Limited
- Ticker
- USL
- Exchange
- ASX
- Region
- Santa Cruz province, Argentina
- Primary commodity
- Silver
- Secondary commodities
- Gold, Lead, Zinc
- Document categories
- Agreement transaction, Resource update, Drill results, Other
- Extracted
- 2026-10-19 14:11:05 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Unico Silver announced a binding LOI to acquire the Joaquin and Cerro Puntudo projects, consolidating a large silver district in Santa Cruz, Argentina. The release highlights a historical foreign resource for Joaquin, a JORC-compliant Cerro Leon resource for context, and several historical drill intercepts and exploration targets. The transaction is still subject to definitive agreements and approvals.
Reasoning: The dominant current event is a proposed district acquisition, with material historical resource and drill information provided as supporting context rather than new technical results.
Positive factors
- Binding LOI announced for 100% acquisition of the Joaquin and Cerro Puntudo projects
- Adds a large historical silver resource and strategic district consolidation
- Transaction includes camp infrastructure and a mining and access agreement valid until 2034
- Document discloses historical resource table and multiple drill intercepts supporting exploration upside
Negative factors
- Transaction remains conditional on definitive agreements and required approvals
- Joaquin estimate is a historical Foreign Estimate and not JORC compliant
- Announcement states no new drill results are presented; drill data are historical
- Future exploration and maiden JORC MRE are planned, not completed
Rubric flags
- resource completeness — The announcement includes a historical resource table and separate byproduct grades; all disclosed columns have been extracted as separate facts where applicable.
Facts used in scoring: 15
Classification and evidence
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: The historical Joaquin foreign estimate table does not state a cut-off grade.
Evidence · text
“Table 1: Joaquin Project – Historical Foreign Estimate as of February 2013”
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: The headline acquisition and historical resource context do not provide QA/QC for the resource estimate itself.
Evidence · text
“The foreign estimate is sourced from a technical report on the Joaquin Project”
Stale Data Re-releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: The drill intercepts are explicitly described as historical and the announcement states no new drill results are presented.
Evidence · text
“No new drill results are presented in this announcement.”
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: The release emphasizes proximity to Cerro Leon as a strategic reason the acquisition matters.
Evidence · text
“Strategically located 60km west of USL’s 91Moz AgEq Cerro Leon resource”
Apparent Width Onlynegative
Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.
Why it applies: Several intercepts are reported as downhole lengths without a stated true width.
Evidence · text
“4.5m at 1699gpt Ag, 22gpt Au from 272m”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: The JORC appendices disclose blanks, standards, duplicates, and laboratory checks.
Evidence · text
“QA/QC protocols including blanks, standards and duplicates were included”
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: The report states the relationship between apparent and true thickness varies from 60% to 100%.
Evidence · text
“The relationship between apparent and true thickness varies from 60% to 100%.”
Extracted facts
Stored fact records: 14. Some facts used in scoring do not have a stored record.
Drill Results (4)
RD0032Joaquin North · goldGrade: 0.5Grade Unit: g/tIntercept: 8 mView all detailsHide details
Identity
- Hole ID
- RD0032
- Project
- Joaquin North
- Commodity
- gold
- Region
- argentina
- Reported Region
- argentina
- Ticker
- USL
Geometry
- Grade
- 0.5
- Grade Unit
- g/t
- Intercept
- 8 m
- From
- 189 m
- To
- 197 m
- Intercept Depth
- 189 m
Classification
- Deposit Type
- epithermal
- Program
- exploration
- Sample Type
- drill
- Group ID
- RD0032:189-197
- Mining Method
- underground
Location
- Location
- La Morocha Extension
- Easting
- 2457945
- Northing
- 4676996
- Elevation
- 955 m
- Azimuth
- 200 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, umpire
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Reasoning: The gold grade is decent and the interval is reasonable.
Positive factors
- Moderate gold grade over an 8 m interval
Negative factors
- Historical result
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
RD0032Joaquin North · silverGrade: 226Grade Unit: g/tIntercept: 8 mView all detailsHide details
Identity
- Hole ID
- RD0032
- Project
- Joaquin North
- Commodity
- silver
- Region
- argentina
- Reported Region
- argentina
- Ticker
- USL
Geometry
- Grade
- 226
- Grade Unit
- g/t
- Intercept
- 8 m
- From
- 189 m
- To
- 197 m
- Intercept Depth
- 189 m
Classification
- Deposit Type
- epithermal
- Program
- exploration
- Sample Type
- drill
- Group ID
- RD0032:189-197
- Mining Method
- underground
Location
- Location
- La Morocha Extension
- Easting
- 2457945
- Northing
- 4676996
- Elevation
- 955 m
- Azimuth
- 200 °
- Dip
- -60 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, umpire
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Reasoning: This is a modest but useful silver interval in an extension target.
Positive factors
- Open at depth and along strike per text
- Useful extension-style intercept
Negative factors
- Historical result
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
CPRC-050Cerro Puntudo · goldGrade: 10.3Grade Unit: g/tIntercept: 9 mView all detailsHide details
Identity
- Hole ID
- CPRC-050
- Project
- Cerro Puntudo
- Commodity
- gold
- Region
- argentina
- Reported Region
- argentina
- Ticker
- USL
Geometry
- Grade
- 10.3
- Grade Unit
- g/t
- Intercept
- 9 m
- From
- 55 m
- To
- 64 m
- Intercept Depth
- 55 m
Classification
- Deposit Type
- epithermal
- Program
- exploration
- Sample Type
- drill
- Group ID
- CPRC-050:55-64
- Mining Method
- underground
Location
- Location
- Breccia Puntudo
- Easting
- 2451506
- Northing
- 4672898
- Elevation
- 891 m
- Azimuth
- 189 °
- Dip
- -50 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, umpire
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Reasoning: This is a standout gold intercept and one of the best in the release.
Positive factors
- Very high gold grade over 9 m
Negative factors
- Historical result
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
CPRC-050Cerro Puntudo · silverGrade: 38Grade Unit: g/tIntercept: 9 mView all detailsHide details
Identity
- Hole ID
- CPRC-050
- Project
- Cerro Puntudo
- Commodity
- silver
- Region
- argentina
- Reported Region
- argentina
- Ticker
- USL
Geometry
- Grade
- 38
- Grade Unit
- g/t
- Intercept
- 9 m
- From
- 55 m
- To
- 64 m
- Intercept Depth
- 55 m
Classification
- Deposit Type
- epithermal
- Program
- exploration
- Sample Type
- drill
- Group ID
- CPRC-050:55-64
- Mining Method
- underground
Location
- Location
- Breccia Puntudo
- Easting
- 2451506
- Northing
- 4672898
- Elevation
- 891 m
- Azimuth
- 189 °
- Dip
- -50 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates, umpire
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Reasoning: Silver is weak and not especially compelling.
Positive factors
- Historical intercept is documented
Negative factors
- Low silver grade
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
Resource Estimates (10)
indicatedJoaquinTonnes: 15700000Grade: 128Grade Unit: g/tContained Metal: 70.1Contained Unit: mozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Joaquin
- Region
- argentina
- Reported Region
- Santa Cruz, Argentina
- Ticker
- USL
Resource scope
- Estimate type
- resource
- Effective date
- 2013-02-15T00:00:00.000Z
- Reporting standards
- ni_43_101, other
- QP Signed
- Yes
- Qualified person names
- Luis Oviedo H
- Resource group id
- resource:659c683153fddd853d6a
- Deposit or zone
- La Negra and La Morocha deposits
Resource Data
- Category
- indicated
- Tonnes
- 15700000
- Grade
- 128
- Grade Unit
- g/t
- Contained Metal
- 70.1
- Contained Unit
- moz
Prior Estimate
- Resource Date
- 2013-02-15
Metal Equivalent
- Metal Eq. Grade
- 138
- Metal Eq. Unit
- g/t
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2013-02-15T00:00:00.000Z
Reasoning: Total resource row restates the Joaquin historical estimate and shows the aggregate district scale.
Positive factors
- Total historical resource table provides the headline district scale
- Silver-equivalent grade and contained metal are disclosed
Negative factors
- Historical foreign estimate; not a current JORC estimate
- No cut-off disclosed
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 13.7 years before this release
inferredJoaquinTonnes: 1000000Grade: 100Grade Unit: g/tContained Metal: 3.3Contained Unit: mozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Joaquin
- Region
- argentina
- Reported Region
- Santa Cruz, Argentina
- Ticker
- USL
Resource scope
- Estimate type
- resource
- Effective date
- 2013-02-15T00:00:00.000Z
- Reporting standards
- ni_43_101, other
- QP Signed
- Yes
- Qualified person names
- Luis Oviedo H
- Resource group id
- resource:52416941ef6f384912a6
- Deposit or zone
- La Negra and La Morocha deposits
Resource Data
- Category
- inferred
- Tonnes
- 1000000
- Grade
- 100
- Grade Unit
- g/t
- Contained Metal
- 3.3
- Contained Unit
- moz
Prior Estimate
- Resource Date
- 2013-02-15
Metal Equivalent
- Metal Eq. Grade
- 110
- Metal Eq. Unit
- g/t
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2013-02-15T00:00:00.000Z
Reasoning: The total historical inferred row is part of the Joaquin foreign estimate and is useful only as legacy context.
Positive factors
- Total row includes the inferred component of the historical resource
Negative factors
- Historical estimate only
- Inferred category
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 13.7 years before this release
indicatedCerro LeonTonnes: 6820000Grade: 0.84Grade Unit: %Contained Metal: 304Contained Unit: mlbView all detailsHide details
Identity
- Project
- Cerro Leon
- Region
- argentina
- Reported Region
- Santa Cruz, Argentina
- Ticker
- USL
Resource scope
- Estimate type
- resource
- Effective date
- 2023-05-18T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Taylor
- Resource group id
- resource:e348f4336becd49eb9b6
- Deposit or zone
- Cerro Leon
Resource Data
- Category
- indicated
- Tonnes
- 6820000
- Grade
- 0.84
- Grade Unit
- %
- Contained Metal
- 304
- Contained Unit
- mlb
Review
- Needs Review
- No
- Historical
- No
Reasoning: Zinc total is material byproduct information from the resource table.
Positive factors
- Zinc total disclosed
Negative factors
- Context only
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
inferredCerro LeonTonnes: 9650000Grade: 0.77Grade Unit: %Contained Metal: 163Contained Unit: mlbView all detailsHide details
Identity
- Project
- Cerro Leon
- Region
- argentina
- Reported Region
- Santa Cruz, Argentina
- Ticker
- USL
Resource scope
- Estimate type
- resource
- Effective date
- 2023-05-18T00:00:00.000Z
- Reporting standards
- jorc
- QP Signed
- Yes
- Qualified person names
- Ian Taylor
- Resource group id
- resource:c10077b0eaab41b45303
- Deposit or zone
- Cerro Leon
Resource Data
- Category
- inferred
- Tonnes
- 9650000
- Grade
- 0.77
- Grade Unit
- %
- Contained Metal
- 163
- Contained Unit
- mlb
Review
- Needs Review
- No
- Historical
- No
Reasoning: Zinc in the inferred resource is retained as a separate factual disclosure.
Positive factors
- Zinc grade and contained metal disclosed
Negative factors
- Inferred category
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
JORC Compliantpositive
Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.
Why it applies: reporting_standards includes jorc
indicatedJoaquin · silverTonnes: 15700000Grade: 128Grade Unit: g/tContained Metal: 65.2Contained Unit: mozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Joaquin
- Commodity
- silver
- Region
- argentina
- Reported Region
- Santa Cruz, Argentina
- Ticker
- USL
Resource scope
- Estimate type
- resource
- Effective date
- 2013-02-15T00:00:00.000Z
- Reporting standards
- ni_43_101, other
- QP Signed
- Yes
- Qualified person names
- Luis Oviedo H
- Resource group id
- resource:659c683153fddd853d6a
- Deposit or zone
- La Negra and La Morocha deposits
Resource Data
- Category
- indicated
- Tonnes
- 15700000
- Grade
- 128
- Grade Unit
- g/t
- Contained Metal
- 65.2
- Contained Unit
- moz
Prior Estimate
- Resource Date
- 2013-02-15
Metal Equivalent
- Metal Eq. Grade
- 138
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2013-02-15T00:00:00.000Z
Reasoning: Indicated historical foreign resource for Joaquin provides a large silver-equivalent inventory but remains non-compliant historical data. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- Material silver resource disclosed with contained metal and AgEq grade
- NI 43-101 technical report and QP responsibility stated
- Historical estimate is fully tabulated and includes M&I category
Negative factors
- Foreign Estimate and historical estimate, not JORC compliant
- No cut-off grade disclosed for the resource table
Evidence · table
“128”
Context: 15.7
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 13.7 years before this release
indicatedJoaquin · goldTonnes: 15700000Grade: 0.12Grade Unit: g/tContained Metal: 61.1Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Joaquin
- Commodity
- gold
- Region
- argentina
- Reported Region
- Santa Cruz, Argentina
- Ticker
- USL
Resource scope
- Estimate type
- resource
- Effective date
- 2013-02-15T00:00:00.000Z
- Reporting standards
- ni_43_101, other
- QP Signed
- Yes
- Qualified person names
- Luis Oviedo H
- Resource group id
- resource:659c683153fddd853d6a
- Deposit or zone
- La Negra and La Morocha deposits
Resource Data
- Category
- indicated
- Tonnes
- 15700000
- Grade
- 0.12
- Grade Unit
- g/t
- Contained Metal
- 61.1
- Contained Unit
- koz
Prior Estimate
- Resource Date
- 2013-02-15
Metal Equivalent
- Metal Eq. Grade
- 138
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2013-02-15T00:00:00.000Z
Reasoning: Indicated historical foreign resource for Joaquin provides a large silver-equivalent inventory but remains non-compliant historical data. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- Material silver resource disclosed with contained metal and AgEq grade
- NI 43-101 technical report and QP responsibility stated
- Historical estimate is fully tabulated and includes M&I category
Negative factors
- Foreign Estimate and historical estimate, not JORC compliant
- No cut-off grade disclosed for the resource table
Evidence · table
“0.12”
Context: 15.7
Tags used in scoring
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: category is "indicated"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 13.7 years before this release
inferredJoaquin · silverTonnes: 1000000Grade: 100Grade Unit: g/tContained Metal: 3.1Contained Unit: mozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Joaquin
- Commodity
- silver
- Region
- argentina
- Reported Region
- Santa Cruz, Argentina
- Ticker
- USL
Resource scope
- Estimate type
- resource
- Effective date
- 2013-02-15T00:00:00.000Z
- Reporting standards
- ni_43_101, other
- QP Signed
- Yes
- Qualified person names
- Luis Oviedo H
- Resource group id
- resource:52416941ef6f384912a6
- Deposit or zone
- La Negra and La Morocha deposits
Resource Data
- Category
- inferred
- Tonnes
- 1000000
- Grade
- 100
- Grade Unit
- g/t
- Contained Metal
- 3.1
- Contained Unit
- moz
Prior Estimate
- Resource Date
- 2013-02-15
Metal Equivalent
- Metal Eq. Grade
- 110
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2013-02-15T00:00:00.000Z
Reasoning: The inferred portion of the historical resource adds scale but carries lower confidence and remains historical. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- Inferred category still disclosed with tonnes, grade and contained metal
- Supports the broader historical inventory at Joaquin
Negative factors
- Historical foreign estimate, not JORC compliant
- Inferred material lowers confidence
Evidence · table
“100”
Context: 1
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 13.7 years before this release
inferredJoaquin · goldTonnes: 1000000Grade: 0.12Grade Unit: g/tContained Metal: 3.7Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Joaquin
- Commodity
- gold
- Region
- argentina
- Reported Region
- Santa Cruz, Argentina
- Ticker
- USL
Resource scope
- Estimate type
- resource
- Effective date
- 2013-02-15T00:00:00.000Z
- Reporting standards
- ni_43_101, other
- QP Signed
- Yes
- Qualified person names
- Luis Oviedo H
- Resource group id
- resource:52416941ef6f384912a6
- Deposit or zone
- La Negra and La Morocha deposits
Resource Data
- Category
- inferred
- Tonnes
- 1000000
- Grade
- 0.12
- Grade Unit
- g/t
- Contained Metal
- 3.7
- Contained Unit
- koz
Prior Estimate
- Resource Date
- 2013-02-15
Metal Equivalent
- Metal Eq. Grade
- 110
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2013-02-15T00:00:00.000Z
Reasoning: The inferred portion of the historical resource adds scale but carries lower confidence and remains historical. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- Inferred category still disclosed with tonnes, grade and contained metal
- Supports the broader historical inventory at Joaquin
Negative factors
- Historical foreign estimate, not JORC compliant
- Inferred material lowers confidence
Evidence · table
“0.12”
Context: 1
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 13.7 years before this release
inferredJoaquin · silverTonnes: 16700000Grade: 126Grade Unit: g/tContained Metal: 68.3Contained Unit: mozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Joaquin
- Commodity
- silver
- Region
- argentina
- Reported Region
- Santa Cruz, Argentina
- Ticker
- USL
Resource scope
- Estimate type
- resource
- Effective date
- 2013-02-15T00:00:00.000Z
- Reporting standards
- ni_43_101, other
- QP Signed
- Yes
- Qualified person names
- Luis Oviedo H
- Resource group id
- resource:b78129963b85202d2825
Resource Data
- Category
- inferred
- Tonnes
- 16700000
- Grade
- 126
- Grade Unit
- g/t
- Contained Metal
- 68.3
- Contained Unit
- moz
Prior Estimate
- Resource Date
- 2013-02-15
Metal Equivalent
- Metal Eq. Grade
- 136
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2013-02-15T00:00:00.000Z
Reasoning: The inferred portion of the historical resource adds scale but carries lower confidence and remains historical. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- Inferred category still disclosed with tonnes, grade and contained metal
- Supports the broader historical inventory at Joaquin
Negative factors
- Historical foreign estimate, not JORC compliant
- Inferred material lowers confidence
Evidence · table
“126”
Context: 16.7
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 13.7 years before this release
inferredJoaquin · goldTonnes: 16700000Grade: 0.12Grade Unit: g/tContained Metal: 64.2Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Joaquin
- Commodity
- gold
- Region
- argentina
- Reported Region
- Santa Cruz, Argentina
- Ticker
- USL
Resource scope
- Estimate type
- resource
- Effective date
- 2013-02-15T00:00:00.000Z
- Reporting standards
- ni_43_101, other
- QP Signed
- Yes
- Qualified person names
- Luis Oviedo H
- Resource group id
- resource:b78129963b85202d2825
Resource Data
- Category
- inferred
- Tonnes
- 16700000
- Grade
- 0.12
- Grade Unit
- g/t
- Contained Metal
- 64.2
- Contained Unit
- koz
Prior Estimate
- Resource Date
- 2013-02-15
Metal Equivalent
- Metal Eq. Grade
- 136
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2013-02-15T00:00:00.000Z
Reasoning: The inferred portion of the historical resource adds scale but carries lower confidence and remains historical. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- Inferred category still disclosed with tonnes, grade and contained metal
- Supports the broader historical inventory at Joaquin
Negative factors
- Historical foreign estimate, not JORC compliant
- Inferred material lowers confidence
Evidence · table
“0.12”
Context: 16.7
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 13.7 years before this release
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.