INFILL DRILLING AT LA NEGRA RETURNS HIGH -GRADE SILVER
Original announcement by research on
- Company
- Unavailable
- Ticker
- USL
- Exchange
- ASX
- Region
- Santa Cruz, Argentina
- Primary commodity
- Silver
- Secondary commodities
- Gold
- Document categories
- Drill results, Resource update, Other
- Extracted
- 2026-11-05 10:43:05 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Unico Silver reported assay results from 13 infill drill holes at La Negra, part of the Joaquin Project in Santa Cruz, Argentina. The standout results are thick, shallow silver-equivalent intercepts that support conversion of the historical 2013 foreign estimate to a JORC resource and highlight new high-grade zones. The release also includes historical resource tables for Cerro Leon and Joaquin, plus collar locations and QA/QC details.
Reasoning: The release reports new infill drill assays with several high-grade, shallow silver-equivalent intercepts that strengthen the resource-conversion story and indicate continuity at La Negra. Novelty is solid but tempered by the program’s infill/resource-conversion nature and the fact that some comparison material is historical.
Positive factors
- 13 drill holes returned multiple thick, shallow silver intercepts at La Negra
- standout intervals include 28m at 522gpt AgEq and 7m at 1474gpt AgEq
- results support conversion of the historical estimate to a JORC resource and show continuity
Negative factors
- intercepts are reported as AgEq, so standalone silver grades need to be read alongside the equivalent formula
- cut-off grade and internal dilution are disclosed, but some results are historical/restated in context
- assay results for up to 30 holes remain outstanding
Facts used in scoring: 30
Classification and evidence
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: The release explicitly says the program is an infill program designed to convert the historical estimate to a JORC resource.
Evidence · text
“Phase 1 infill program at La Negra”
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: The announcement includes laboratory QA/QC procedures, standards, blanks, duplicates and certified reference materials.
Evidence · text
“QAQC samples are inserted at the following frequency”
Compositing Transparentpositive
Cut-off grade and internal dilution rules are clearly stated for reported intervals.
Why it applies: The release states the cut-off and internal dilution used for mineralised drill hole intercepts.
Evidence · text
“greater than 40gpt AgEq with no more than 3m of internal dilution”
True Width Disclosedpositive
Actual thickness perpendicular to structure is stated, not just downhole length.
Why it applies: The report states that qualification of true widths is provided in the drill hole discussion.
Evidence · text
“Qualification of true widths are provided in the drill hole discussion.”
Nearology Playneutral
Value premise rests on proximity to a known deposit rather than own results.
Why it applies: The Joaquin project is described as being in the same structural corridor as Cerro Vanguardia mine.
Evidence · text
“same structural corridor that is host to AngloGold Ashanti’s world- class Cerro Vanguardia mine”
Free Millingpositive · Story-specific tag
Simple, clean ore amenable to standard processing without oxidation.
Why it applies: The release describes the target as pit-constrained, free-milling silver ounces and an exploration target including free-milling oxide and transitional mineralisation.
Evidence · text
“pit-constrained, free-milling silver ounces”
Apparent Width Onlynegative
Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.
Why it applies: Some intercepts are reported as downhole widths, while the narrative notes true widths are only discussed elsewhere; the headline interval itself is not true width.
Evidence · text
“28m at 522gpt AgEq”
Cut Off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: Although a cut-off is stated for the drill composites, the resource tables themselves do not disclose a cut-off for the historical estimates.
Evidence · text
“The Foreign Estimate of mineralisation included in this announcement is not compliant”
Stale Data Re Releasenegative
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: Historical resource and production tables are re-presented for context rather than being newly generated in this announcement.
Evidence · text
“Historical drill results for the Joaquin and Cerro Puntudo projects are in ASX announcement 20 August 2024”
Bonanza Interceptpositive
Exceptionally high-grade zone, well above the deposit-type norm.
Why it applies: The release includes a 7.3m interval at 1452g/t Ag and 1474g/t AgEq, which is exceptionally high grade.
Evidence · text
“7m at 1474gpt AgEq”
Extracted facts
Stored fact records: 30. Some facts used in scoring do not have a stored record.
Drill Results (4)
JDD005-25La Negra · silverGrade: 1452Grade Unit: g/tIntercept: 7.3 mView all detailsHide details
Identity
- Hole ID
- JDD005-25
- Project
- La Negra
- Commodity
- silver
- Region
- argentina
- Reported Region
- argentina
Geometry
- Grade
- 1452
- Grade Unit
- g/t
- Intercept
- 7.3 m
- From
- 39.7 m
- To
- 47 m
- Hole Depth
- 128 m
- Intercept Depth
- 39.7 m
Classification
- Deposit Type
- epithermal
- Program
- resource
- Sample Type
- drill
- Group ID
- JDD005-25:39.7-47
- Mining Method
- underground
Location
- Location
- La Negra
- Easting
- 458655
- Northing
- 4677375
- CRS
- UTM19s
- Elevation
- 904 m
- Azimuth
- 235 °
- Dip
- -50 °
- Loc. Source
- document
QA/QC
- Laboratory
- Alex Stewart
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- Yes
- Deleterious Elements
- arsenic, chromium, antimony, mercury
Metal Equivalent
- Metal Eq. Grade
- 1474
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- Yes
Compositing
- Cutoff Grade
- 40
- Cutoff Unit
- g/t AgEq
- Dilution Disclosed
- Yes
- Max Dilution
- 3 m
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Reasoning: This is the highest-grade interval in the release and clearly bonanza-level for the silver system.
Positive factors
- 1474gpt AgEq over 7.3m is exceptionally high grade
- explicit high-grade sub-interval within the standout hole
- demonstrates very strong local grade tenor
Negative factors
- shorter interval than the parent 28m interval
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
Compositing Transparentpositive
Cut-off grade and internal dilution rules are clearly stated for reported intervals.
Why it applies: cutoff_grade and internal dilution are both stated
Deleterious Elements Presentnegative
A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.
Why it applies: deleterious_flag is true
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
JDD005-25La Negra · goldGrade: 0.3Grade Unit: g/tIntercept: 7.3 mView all detailsHide details
Identity
- Hole ID
- JDD005-25
- Project
- La Negra
- Commodity
- gold
- Region
- argentina
- Reported Region
- argentina
Geometry
- Grade
- 0.3
- Grade Unit
- g/t
- Intercept
- 7.3 m
- From
- 39.7 m
- To
- 47 m
- Hole Depth
- 128 m
- Intercept Depth
- 39.7 m
Classification
- Deposit Type
- epithermal
- Program
- resource
- Sample Type
- drill
- Group ID
- JDD005-25:39.7-47
- Mining Method
- underground
Location
- Location
- La Negra
- Easting
- 458655
- Northing
- 4677375
- CRS
- UTM19s
- Elevation
- 904 m
- Azimuth
- 235 °
- Dip
- -50 °
- Loc. Source
- document
QA/QC
- Laboratory
- Alex Stewart
- QA/QC Disclosed
- Yes
- QP Signed
- Yes
- QA/QC Methods
- standards, blanks, duplicates
Deleterious
- Deleterious Flag
- Yes
- Deleterious Elements
- arsenic, chromium, antimony, mercury
Metal Equivalent
- Metal Eq. Grade
- 1474
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- Yes
Compositing
- Cutoff Grade
- 40
- Cutoff Unit
- g/t AgEq
- Dilution Disclosed
- Yes
- Max Dilution
- 3 m
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Reasoning: Gold is present in the bonanza sub-interval, but the value is overwhelmingly driven by silver.
Positive factors
- gold is explicitly stated in the sub-interval
Negative factors
- gold remains secondary to the silver 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
Compositing Transparentpositive
Cut-off grade and internal dilution rules are clearly stated for reported intervals.
Why it applies: cutoff_grade and internal dilution are both stated
Deleterious Elements Presentnegative
A source-stated penalty, refractory or recovery concern in the fact's scope. Element detection alone, including measured elements explicitly below penalty thresholds, does not trigger this tag. Respect negation and retain a separately stated concern even when another risk is explicitly absent.
Why it applies: deleterious_flag is true
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
DDJ-119La Negra · silverGrade: 160Grade Unit: g/tIntercept: 51 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- DDJ-119
- Project
- La Negra
- Commodity
- silver
- Region
- argentina
- Reported Region
- argentina
Geometry
- Grade
- 160
- Grade Unit
- g/t
- Intercept
- 51 m
- From
- 33 m
- To
- 84 m
- Intercept Depth
- 33 m
Classification
- Deposit Type
- epithermal
- Program
- resource
- Sample Type
- drill
- Group ID
- DDJ-119:33-84
- Mining Method
- underground
Location
- Location
- La Negra
- Loc. Source
- document
QA/QC
- QA/QC Disclosed
- Yes
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-06-20T00:00:00.000Z
Reasoning: This historical comparison hole is included to show continuity, not as new drilling from this announcement.
Positive factors
- quoted as the historical comparison hole for JRC024-25
- used to demonstrate vertical continuity
Negative factors
- historical result restated in the release
- no new assay from this document
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
DDJ-119La Negra · goldGrade: 0.3Grade Unit: g/tIntercept: 51 mHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Hole ID
- DDJ-119
- Project
- La Negra
- Commodity
- gold
- Region
- argentina
- Reported Region
- argentina
Geometry
- Grade
- 0.3
- Grade Unit
- g/t
- Intercept
- 51 m
- From
- 33 m
- To
- 84 m
- Intercept Depth
- 33 m
Classification
- Deposit Type
- epithermal
- Program
- resource
- Sample Type
- drill
- Group ID
- DDJ-119:33-84
- Mining Method
- underground
Location
- Location
- La Negra
- Loc. Source
- document
QA/QC
- QA/QC Disclosed
- Yes
Compositing
- Dilution Disclosed
- Yes
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2025-06-20T00:00:00.000Z
Reasoning: Gold is part of the historical comparison interval only.
Positive factors
- historical comparison material in the continuity discussion
Negative factors
- restated comparison assay, not new work
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
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: drill_program_type is "resource"
Resource Estimates (26)
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
- QP Signed
- Yes
- Qualified person names
- Luis Oviedo H
- Resource group id
- resource:b51f902a4fd1cfb9936d
- Deposit or zone
- Joaquin
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
Lab
- Laboratory
- NCL Ingenieria y Construction Ltda.
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2013-02-15T00:00:00.000Z
Reasoning: This is a historical foreign estimate included for context rather than a new resource update.
Positive factors
- resource figures are explicitly stated for the Joaquin foreign estimate
Negative factors
- foreign estimate, not JORC-compliant
- historical restatement with no new data
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
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
- QP Signed
- Yes
- Qualified person names
- Luis Oviedo H
- Resource group id
- resource:0852992f68e9e0bcba65
- Deposit or zone
- Joaquin
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
Lab
- Laboratory
- NCL Ingenieria y Construction Ltda.
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2013-02-15T00:00:00.000Z
Reasoning: The inferred component is historical and non-JORC, so it carries limited current investment value.
Positive factors
- the estimate is clearly disclosed and quantified
Negative factors
- foreign estimate and historical in nature
- all-inferred component adds little 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
indicatedCerro Leon · silverTonnes: 6820000Grade: 172Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Cerro Leon
- Commodity
- silver
- 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:6c70ff63f82f9b0ae8fa
- Deposit or zone
- Cerro Leon
Resource Data
- Category
- indicated
- Tonnes
- 6820000
- Grade
- 172
- Grade Unit
- g/t
Prior Estimate
- Resource Date
- 2023-05-18
Lab
- Laboratory
- Mining Associates Pty Ltd.
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-05-18T00:00:00.000Z
Reasoning: The table reports an equivalent-grade value for the historical resource context.
Positive factors
- resource table explicitly states the AgEq-grade resource value
Negative factors
- this is an equivalent grade, not a standalone silver head grade
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 3.5 years before this release
indicatedCerro Leon · goldTonnes: 6820000Grade: 0.49Grade Unit: g/tContained Metal: 107Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Cerro Leon
- Commodity
- gold
- 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:6c70ff63f82f9b0ae8fa
- Deposit or zone
- Cerro Leon
Resource Data
- Category
- indicated
- Tonnes
- 6820000
- Grade
- 0.49
- Grade Unit
- g/t
- Contained Metal
- 107
- Contained Unit
- koz
Prior Estimate
- Resource Date
- 2023-05-18
Metal Equivalent
- Metal Eq. Grade
- 172
- Metal Eq. Unit
- g/t
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Mining Associates Pty Ltd.
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-05-18T00:00:00.000Z
Reasoning: Gold is part of the historical Cerro Leon resource context.
Positive factors
- explicit gold grade is provided within the historical resource table
Negative factors
- historical 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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 3.5 years before this release
indicatedCerro Leon · leadTonnes: 6820000Grade: 0.28Grade Unit: %Contained Metal: 41.9Contained Unit: mlbHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Cerro Leon
- Commodity
- lead
- 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:6c70ff63f82f9b0ae8fa
- Deposit or zone
- Cerro Leon
Resource Data
- Category
- indicated
- Tonnes
- 6820000
- Grade
- 0.28
- Grade Unit
- %
- Contained Metal
- 41.9
- Contained Unit
- mlb
Prior Estimate
- Resource Date
- 2023-05-18
Metal Equivalent
- Metal Eq. Grade
- 172
- Metal Eq. Unit
- g/t
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Mining Associates Pty Ltd.
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-05-18T00:00:00.000Z
Reasoning: Lead is a byproduct grade in the historical Cerro Leon resource table.
Positive factors
- lead grade is disclosed in the historical table
Negative factors
- historical only
- lead credits depend on the equivalent calculation and are not current news
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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 3.5 years before this release
indicatedCerro Leon · zincTonnes: 6820000Grade: 0.93Grade Unit: %Contained Metal: 140Contained Unit: mlbHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Cerro Leon
- Commodity
- zinc
- 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:6c70ff63f82f9b0ae8fa
- Deposit or zone
- Cerro Leon
Resource Data
- Category
- indicated
- Tonnes
- 6820000
- Grade
- 0.93
- Grade Unit
- %
- Contained Metal
- 140
- Contained Unit
- mlb
Prior Estimate
- Resource Date
- 2023-05-18
Metal Equivalent
- Metal Eq. Grade
- 172
- Metal Eq. Unit
- g/t
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Mining Associates Pty Ltd.
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-05-18T00:00:00.000Z
Reasoning: Zinc is a historical byproduct grade from the Cerro Leon resource.
Positive factors
- zinc grade is disclosed in the historical resource table
Negative factors
- historical 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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 3.5 years before this release
inferredCerro Leon · silverTonnes: 9650000Grade: 71Grade Unit: g/tContained Metal: 22.1Contained Unit: mozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Cerro Leon
- Commodity
- silver
- 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:de909099ae54be021d5c
- Deposit or zone
- Cerro Leon
Resource Data
- Category
- inferred
- Tonnes
- 9650000
- Grade
- 71
- Grade Unit
- g/t
- Contained Metal
- 22.1
- Contained Unit
- moz
Prior Estimate
- Resource Date
- 2023-05-18
Metal Equivalent
- Metal Eq. Grade
- 172
- Metal Eq. Unit
- g/t
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Mining Associates Pty Ltd.
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-05-18T00:00:00.000Z
Reasoning: The inferred historical resource is useful context but lower-confidence than the indicated portion.
Positive factors
- historical resource figures are clearly stated
Negative factors
- 100% inferred component is lower confidence
- historical context only
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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 3.5 years before this release
inferredCerro Leon · goldTonnes: 9650000Grade: 0.77Grade Unit: g/tContained Metal: 237Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Cerro Leon
- Commodity
- gold
- 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:de909099ae54be021d5c
- Deposit or zone
- Cerro Leon
Resource Data
- Category
- inferred
- Tonnes
- 9650000
- Grade
- 0.77
- Grade Unit
- g/t
- Contained Metal
- 237
- Contained Unit
- koz
Prior Estimate
- Resource Date
- 2023-05-18
Metal Equivalent
- Metal Eq. Grade
- 172
- Metal Eq. Unit
- g/t
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Mining Associates Pty Ltd.
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-05-18T00:00:00.000Z
Reasoning: Gold is part of the historical inferred resource context.
Positive factors
- gold grade is explicitly listed
Negative factors
- historical inferred resource
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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 3.5 years before this release
inferredCerro Leon · leadTonnes: 9650000Grade: 0.77Grade Unit: %Contained Metal: 53.7Contained Unit: mlbHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Cerro Leon
- Commodity
- lead
- 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:de909099ae54be021d5c
- Deposit or zone
- Cerro Leon
Resource Data
- Category
- inferred
- Tonnes
- 9650000
- Grade
- 0.77
- Grade Unit
- %
- Contained Metal
- 53.7
- Contained Unit
- mlb
Prior Estimate
- Resource Date
- 2023-05-18
Metal Equivalent
- Metal Eq. Grade
- 172
- Metal Eq. Unit
- g/t
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Mining Associates Pty Ltd.
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-05-18T00:00:00.000Z
Reasoning: Lead is a byproduct grade in the historical inferred resource row.
Positive factors
- lead grade is disclosed
Negative factors
- historical inferred resource
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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 3.5 years before this release
inferredCerro Leon · zincTonnes: 9650000Grade: 0.77Grade Unit: %Contained Metal: 163Contained Unit: mlbHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Cerro Leon
- Commodity
- zinc
- 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:de909099ae54be021d5c
- Deposit or zone
- Cerro Leon
Resource Data
- Category
- inferred
- Tonnes
- 9650000
- Grade
- 0.77
- Grade Unit
- %
- Contained Metal
- 163
- Contained Unit
- mlb
Prior Estimate
- Resource Date
- 2023-05-18
Metal Equivalent
- Metal Eq. Grade
- 172
- Metal Eq. Unit
- g/t
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Mining Associates Pty Ltd.
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-05-18T00:00:00.000Z
Reasoning: Zinc is a byproduct grade in the historical inferred resource row.
Positive factors
- zinc grade is disclosed
Negative factors
- historical inferred resource
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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 3.5 years before this release
indicatedCerro Leon · silverGrade: 86Grade Unit: g/tContained Metal: 18.8Contained Unit: mozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Cerro Leon
- Commodity
- silver
- 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:3afadddd649dd5bed343
- Deposit or zone
- Cerro Leon
Resource Data
- Category
- indicated
- Grade
- 86
- Grade Unit
- g/t
- Contained Metal
- 18.8
- Contained Unit
- moz
Prior Estimate
- Resource Date
- 2023-05-18
Metal Equivalent
- Metal Eq. Grade
- 172
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Mining Associates Pty Ltd.
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-05-18T00:00:00.000Z
Reasoning: This is a historical reference resource for context rather than a new estimate. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- JORC-compliant resource figures are explicitly stated
Negative factors
- historical comparison only
- no new resource estimate in this release
Evidence · table
“86”
Context: 6.82
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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 3.5 years before this release
indicatedCerro Leon · goldGrade: 0.49Grade Unit: g/tContained Metal: 107Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Cerro Leon
- Commodity
- gold
- 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:3afadddd649dd5bed343
- Deposit or zone
- Cerro Leon
Resource Data
- Category
- indicated
- Grade
- 0.49
- Grade Unit
- g/t
- Contained Metal
- 107
- Contained Unit
- koz
Prior Estimate
- Resource Date
- 2023-05-18
Metal Equivalent
- Metal Eq. Grade
- 172
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Mining Associates Pty Ltd.
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-05-18T00:00:00.000Z
Reasoning: This is a historical reference resource for context rather than a new estimate. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- JORC-compliant resource figures are explicitly stated
Negative factors
- historical comparison only
- no new resource estimate in this release
Evidence · table
“0.49”
Context: 6.82
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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 3.5 years before this release
indicatedCerro Leon · leadGrade: 0.28Grade Unit: %Contained Metal: 41.9Contained Unit: mlbHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Cerro Leon
- Commodity
- lead
- 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:3afadddd649dd5bed343
- Deposit or zone
- Cerro Leon
Resource Data
- Category
- indicated
- Grade
- 0.28
- Grade Unit
- %
- Contained Metal
- 41.9
- Contained Unit
- mlb
Prior Estimate
- Resource Date
- 2023-05-18
Metal Equivalent
- Metal Eq. Grade
- 172
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Mining Associates Pty Ltd.
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-05-18T00:00:00.000Z
Reasoning: This is a historical reference resource for context rather than a new estimate. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- JORC-compliant resource figures are explicitly stated
Negative factors
- historical comparison only
- no new resource estimate in this release
Evidence · table
“0.28”
Context: 6.82
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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 3.5 years before this release
indicatedCerro Leon · zincGrade: 0.93Grade Unit: %Contained Metal: 140Contained Unit: mlbHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Cerro Leon
- Commodity
- zinc
- 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:3afadddd649dd5bed343
- Deposit or zone
- Cerro Leon
Resource Data
- Category
- indicated
- Grade
- 0.93
- Grade Unit
- %
- Contained Metal
- 140
- Contained Unit
- mlb
Prior Estimate
- Resource Date
- 2023-05-18
Metal Equivalent
- Metal Eq. Grade
- 172
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Mining Associates Pty Ltd.
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-05-18T00:00:00.000Z
Reasoning: This is a historical reference resource for context rather than a new estimate. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- JORC-compliant resource figures are explicitly stated
Negative factors
- historical comparison only
- no new resource estimate in this release
Evidence · table
“0.93”
Context: 6.82
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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 3.5 years before this release
inferredCerro Leon · silverGrade: 71Grade Unit: g/tContained Metal: 22.1Contained Unit: mozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Cerro Leon
- Commodity
- silver
- 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:af5cff9b760d3dbcfb16
- Deposit or zone
- Cerro Leon
Resource Data
- Category
- inferred
- Grade
- 71
- Grade Unit
- g/t
- Contained Metal
- 22.1
- Contained Unit
- moz
Prior Estimate
- Resource Date
- 2023-05-18
Metal Equivalent
- Metal Eq. Grade
- 172
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Mining Associates Pty Ltd.
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-05-18T00:00:00.000Z
Reasoning: The inferred historical resource is useful context but lower-confidence than the indicated portion. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- historical resource figures are clearly stated
Negative factors
- 100% inferred component is lower confidence
- historical context only
Evidence · table
“71”
Context: 9.65
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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 3.5 years before this release
inferredCerro Leon · goldGrade: 0.77Grade Unit: g/tContained Metal: 237Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Cerro Leon
- Commodity
- gold
- 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:af5cff9b760d3dbcfb16
- Deposit or zone
- Cerro Leon
Resource Data
- Category
- inferred
- Grade
- 0.77
- Grade Unit
- g/t
- Contained Metal
- 237
- Contained Unit
- koz
Prior Estimate
- Resource Date
- 2023-05-18
Metal Equivalent
- Metal Eq. Grade
- 172
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Mining Associates Pty Ltd.
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-05-18T00:00:00.000Z
Reasoning: The inferred historical resource is useful context but lower-confidence than the indicated portion. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- historical resource figures are clearly stated
Negative factors
- 100% inferred component is lower confidence
- historical context only
Evidence · table
“0.77”
Context: 9.65
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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 3.5 years before this release
inferredCerro Leon · leadGrade: 0.77Grade Unit: %Contained Metal: 53.7Contained Unit: mlbHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Cerro Leon
- Commodity
- lead
- 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:af5cff9b760d3dbcfb16
- Deposit or zone
- Cerro Leon
Resource Data
- Category
- inferred
- Grade
- 0.77
- Grade Unit
- %
- Contained Metal
- 53.7
- Contained Unit
- mlb
Prior Estimate
- Resource Date
- 2023-05-18
Metal Equivalent
- Metal Eq. Grade
- 172
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Mining Associates Pty Ltd.
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-05-18T00:00:00.000Z
Reasoning: The inferred historical resource is useful context but lower-confidence than the indicated portion. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- historical resource figures are clearly stated
Negative factors
- 100% inferred component is lower confidence
- historical context only
Evidence · table
“0.77”
Context: 9.65
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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 3.5 years before this release
inferredCerro Leon · zincGrade: 0.77Grade Unit: %Contained Metal: 163Contained Unit: mlbHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Cerro Leon
- Commodity
- zinc
- 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:af5cff9b760d3dbcfb16
- Deposit or zone
- Cerro Leon
Resource Data
- Category
- inferred
- Grade
- 0.77
- Grade Unit
- %
- Contained Metal
- 163
- Contained Unit
- mlb
Prior Estimate
- Resource Date
- 2023-05-18
Metal Equivalent
- Metal Eq. Grade
- 172
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Mining Associates Pty Ltd.
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-05-18T00:00:00.000Z
Reasoning: The inferred historical resource is useful context but lower-confidence than the indicated portion. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- historical resource figures are clearly stated
Negative factors
- 100% inferred component is lower confidence
- historical context only
Evidence · table
“0.77”
Context: 9.65
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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 3.5 years before this release
inferredCerro Leon · silverGrade: 77Grade Unit: g/tContained Metal: 40.9Contained Unit: mozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Cerro Leon
- Commodity
- silver
- 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:300dfec06b31d3d2d769
Resource Data
- Category
- inferred
- Grade
- 77
- Grade Unit
- g/t
- Contained Metal
- 40.9
- Contained Unit
- moz
Prior Estimate
- Resource Date
- 2023-05-18
Metal Equivalent
- Metal Eq. Grade
- 172
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Mining Associates Pty Ltd.
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-05-18T00:00:00.000Z
Reasoning: The inferred historical resource is useful context but lower-confidence than the indicated portion. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- historical resource figures are clearly stated
Negative factors
- 100% inferred component is lower confidence
- historical context only
Evidence · table
“77”
Context: 16.47
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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 3.5 years before this release
inferredCerro Leon · goldGrade: 0.65Grade Unit: g/tContained Metal: 344Contained Unit: kozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Cerro Leon
- Commodity
- gold
- 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:300dfec06b31d3d2d769
Resource Data
- Category
- inferred
- Grade
- 0.65
- Grade Unit
- g/t
- Contained Metal
- 344
- Contained Unit
- koz
Prior Estimate
- Resource Date
- 2023-05-18
Metal Equivalent
- Metal Eq. Grade
- 172
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Mining Associates Pty Ltd.
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-05-18T00:00:00.000Z
Reasoning: The inferred historical resource is useful context but lower-confidence than the indicated portion. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- historical resource figures are clearly stated
Negative factors
- 100% inferred component is lower confidence
- historical context only
Evidence · table
“0.65”
Context: 16.47
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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 3.5 years before this release
inferredCerro Leon · leadGrade: 0.57Grade Unit: %Contained Metal: 95.6Contained Unit: mlbHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Cerro Leon
- Commodity
- lead
- 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:300dfec06b31d3d2d769
Resource Data
- Category
- inferred
- Grade
- 0.57
- Grade Unit
- %
- Contained Metal
- 95.6
- Contained Unit
- mlb
Prior Estimate
- Resource Date
- 2023-05-18
Metal Equivalent
- Metal Eq. Grade
- 172
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Mining Associates Pty Ltd.
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-05-18T00:00:00.000Z
Reasoning: The inferred historical resource is useful context but lower-confidence than the indicated portion. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- historical resource figures are clearly stated
Negative factors
- 100% inferred component is lower confidence
- historical context only
Evidence · table
“0.57”
Context: 16.47
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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 3.5 years before this release
inferredCerro Leon · zincGrade: 0.84Grade Unit: %Contained Metal: 304Contained Unit: mlbHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Cerro Leon
- Commodity
- zinc
- 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:300dfec06b31d3d2d769
Resource Data
- Category
- inferred
- Grade
- 0.84
- Grade Unit
- %
- Contained Metal
- 304
- Contained Unit
- mlb
Prior Estimate
- Resource Date
- 2023-05-18
Metal Equivalent
- Metal Eq. Grade
- 172
- Metal Eq. Unit
- g/t AgEq
- Assumptions Disclosed
- Yes
Lab
- Laboratory
- Mining Associates Pty Ltd.
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2023-05-18T00:00:00.000Z
Reasoning: The inferred historical resource is useful context but lower-confidence than the indicated portion. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- historical resource figures are clearly stated
Negative factors
- 100% inferred component is lower confidence
- historical context only
Evidence · table
“0.84”
Context: 16.47
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
Stale Estimatenegative
Effective date is >2 years old — data currency concern, may not reflect current geological understanding.
Why it applies: effective date is 3.5 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
- QP Signed
- Yes
- Qualified person names
- Luis Oviedo H
- Resource group id
- resource:b51f902a4fd1cfb9936d
- Deposit or zone
- Joaquin
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
Lab
- Laboratory
- NCL Ingenieria y Construction Ltda.
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2013-02-15T00:00:00.000Z
Reasoning: This is a historical foreign estimate included for context rather than a new resource update. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- resource figures are explicitly stated for the Joaquin foreign estimate
Negative factors
- foreign estimate, not JORC-compliant
- historical restatement with no new data
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 · 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
- QP Signed
- Yes
- Qualified person names
- Luis Oviedo H
- Resource group id
- resource:0852992f68e9e0bcba65
- Deposit or zone
- Joaquin
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
Lab
- Laboratory
- NCL Ingenieria y Construction Ltda.
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2013-02-15T00:00:00.000Z
Reasoning: The inferred component is historical and non-JORC, so it carries limited current investment value. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- the estimate is clearly disclosed and quantified
Negative factors
- foreign estimate and historical in nature
- all-inferred component adds little 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
- 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
Lab
- Laboratory
- NCL Ingenieria y Construction Ltda.
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2013-02-15T00:00:00.000Z
Reasoning: The inferred component is historical and non-JORC, so it carries limited current investment value. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- the estimate is clearly disclosed and quantified
Negative factors
- foreign estimate and historical in nature
- all-inferred component adds little 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
- 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
Lab
- Laboratory
- NCL Ingenieria y Construction Ltda.
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2013-02-15T00:00:00.000Z
Reasoning: The inferred component is historical and non-JORC, so it carries limited current investment value. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- the estimate is clearly disclosed and quantified
Negative factors
- foreign estimate and historical in nature
- all-inferred component adds little 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.