Lara Reports Maiden Copper-Gold Resource for the Planalto Project, Brazil
Original announcement by tmx on
- Company
- Lara Exploration Ltd.
- Ticker
- LRA
- Exchange
- TSX
- Region
- Brazil
- Primary commodity
- Copper
- Secondary commodities
- Gold
- Document categories
- Resource update
- Extracted
- 2026-09-12 11:49:10 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Lara Exploration has reported its maiden Mineral Resource Estimate for the Planalto Copper-Gold Project in Brazil. The resource includes 47.7 Mt of Indicated and 154.0 Mt of Inferred resources at an average grade of 0.36% Cu and 0.04 g/t Au.
Reasoning: The announcement of a maiden resource for a copper-gold project in a tier-1 mining province is a major milestone for the company.
Positive factors
- Maiden resource establishment
- Significant tonnage and grade for the region
- Located in a major mining province (Carajás)
- NI 43-101 compliant
Negative factors
- High proportion of Inferred resource (approx 77%)
- Low average grades for copper
Facts used in scoring: 8
Classification and evidence
Maiden Resourceneutral
First formal MRE for the project — establishes baseline but typically exploration-stage with high Inferred component. No prior estimate exists, so every change band is not applicable.
Why it applies: The company reports the initial resource estimate for the Planalto project.
Evidence · text
“Lara Reports Maiden Copper-Gold Resource”
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: The resource estimate is prepared in accordance with NI 43-101 standards.
Evidence · text
“prepared in accordance with the CIM Standards... and are reported in accordance with... NI 43-101”
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: A significant portion of the resource is in the Inferred category.
Evidence · table
“154.0”
Context: Total Inferred
Extracted facts
Stored fact records: 8. Some facts used in scoring do not have a stored record.
Resource Estimates (8)
indicatedPlanalto · copperTonnes: 47700000Grade: 557Grade Unit: mlbsContained Metal: 253Contained Unit: ktView all detailsHide details
Identity
- Project
- Planalto
- Commodity
- copper
- Region
- brazil
- Reported Region
- Brazil
- Ticker
- LRA
Resource scope
- Estimate type
- resource
- Effective date
- 2024-07-03T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Leonardo de Moraes Soares, Michael Bennell
- Resource group id
- resource:992520b177d51f8b56ca
- Deposit or zone
- Main Mineralization
- Mining method
- open_pit
- Material type
- fresh
- Ownership percent
- 100 %
- Resource basis
- gross
Resource Data
- Category
- indicated
- Tonnes
- 47700000
- Grade
- 557
- Grade Unit
- mlbs
- Contained Metal
- 253
- Contained Unit
- kt
- Cutoff Grade
- 0.16
- Cutoff Unit
- % CuEq
Prior Estimate
- Resource Date
- 2024-07-03
Metal Equivalent
- Metal Eq. Grade
- 0.56
- Metal Eq. Unit
- % CopperEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2024-10-09T00:00:00.000Z
Reasoning: Solid indicated resource for a maiden estimate.
Positive factors
- Indicated category provides geological confidence
Evidence · table
“557”
Context: 47.7
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 Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
indicatedPlanalto Project · goldTonnes: 47700000Grade: 0.06Grade Unit: g/tContained Metal: 92Contained Unit: kozView all detailsHide details
Identity
- Project
- Planalto Project
- Commodity
- gold
- Region
- brazil
- Reported Region
- Brazil
- Ticker
- LRA
Resource scope
- Estimate type
- resource
- Effective date
- 2024-07-03T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Leonardo de Moraes Soares, Michael Bennell
- Resource group id
- resource:1592ce4e2e50cc957221
- Deposit or zone
- Main Mineralization
- Mining method
- open_pit
- Material type
- fresh
- Ownership percent
- 100 %
- Resource basis
- gross
Resource Data
- Category
- indicated
- Tonnes
- 47700000
- Grade
- 0.06
- Grade Unit
- g/t
- Contained Metal
- 92
- Contained Unit
- koz
- Cutoff Grade
- 0.16
- Cutoff Unit
- % CuEq
Prior Estimate
- Resource Date
- 2024-07-03
Metal Equivalent
- Metal Eq. Grade
- 0.56
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2024-10-09T00:00:00.000Z
Reasoning: Gold grade is low but part of a polymetallic resource.
Evidence · table
“0.06”
Context: 47.7
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 Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
inferredPlanalto Project · copperTonnes: 154000000Grade: 0.36Grade Unit: %Contained Metal: 549Contained Unit: ktView all detailsHide details
Identity
- Project
- Planalto Project
- Commodity
- copper
- Region
- brazil
- Reported Region
- Brazil
- Ticker
- LRA
Resource scope
- Estimate type
- resource
- Effective date
- 2024-07-03T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Leonardo de Moraes Soares, Michael Bennell
- Resource group id
- resource:9b496cfb3c9615a7bb1c
- Deposit or zone
- Total Inferred
- Mining method
- open_pit
- Material type
- fresh
- Ownership percent
- 100 %
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 154000000
- Grade
- 0.36
- Grade Unit
- %
- Contained Metal
- 549
- Contained Unit
- kt
- Cutoff Grade
- 0.16
- Cutoff Unit
- % CuEq
Prior Estimate
- Resource Date
- 2024-07-03
Metal Equivalent
- Metal Eq. Grade
- 0.38
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2024-10-09T00:00:00.000Z
Reasoning: Large volume of inferred material adds scale but limits confidence.
Positive factors
- Large tonnage contribution
Negative factors
- High proportion of Inferred resource
Evidence · table
“0.36”
Context: 154.0
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
inferredPlanalto Project · goldTonnes: 154000000Grade: 0.4Grade Unit: g/tContained Metal: 223.5Contained Unit: kozView all detailsHide details
Identity
- Project
- Planalto Project
- Commodity
- gold
- Region
- brazil
- Reported Region
- Brazil
- Ticker
- LRA
Resource scope
- Estimate type
- resource
- Effective date
- 2024-07-03T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Leonardo de Moraes Soares, Michael Bennell
- Resource group id
- resource:9b496cfb3c9615a7bb1c
- Deposit or zone
- Total Inferred
- Mining method
- open_pit
- Material type
- fresh
- Ownership percent
- 100 %
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 154000000
- Grade
- 0.4
- Grade Unit
- g/t
- Contained Metal
- 223.5
- Contained Unit
- koz
- Cutoff Grade
- 0.16
- Cutoff Unit
- % CuEq
Prior Estimate
- Resource Date
- 2024-07-03
Metal Equivalent
- Metal Eq. Grade
- 0.38
- Metal Eq. Unit
- % CuEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2024-10-09T00:00:00.000Z
Reasoning: Gold component of the inferred resource.
Evidence · table
“0.4”
Context: 154.0
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
indicatedPlanalto · copperTonnes: 47700000Grade: 557Grade Unit: mlbsContained Metal: 253Contained Unit: ktView all detailsHide details
Identity
- Project
- Planalto
- Commodity
- copper
- Region
- brazil
- Reported Region
- Brazil
- Ticker
- LRA
Resource scope
- Estimate type
- resource
- Effective date
- 2024-07-03T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Leonardo de Moraes Soares, Michael Bennell
- Resource group id
- resource:1d32b0d44551e7f5fd77
- Mining method
- open_pit
- Ownership percent
- 100 %
- Resource basis
- gross
Resource Data
- Category
- indicated
- Tonnes
- 47700000
- Grade
- 557
- Grade Unit
- mlbs
- Contained Metal
- 253
- Contained Unit
- kt
- Cutoff Grade
- 0.16
- Cutoff Unit
- % CuEq
Prior Estimate
- Resource Date
- 2024-07-03
Metal Equivalent
- Metal Eq. Grade
- 0.56
- Metal Eq. Unit
- % CopperEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2024-10-09T00:00:00.000Z
Reasoning: Solid indicated resource for a maiden estimate. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- Indicated category provides geological confidence
Evidence · table
“557”
Context: 47.7
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 Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
inferredPlanalto · copperTonnes: 77700000Grade: 874Grade Unit: mlbsContained Metal: 396Contained Unit: ktView all detailsHide details
Identity
- Project
- Planalto
- Commodity
- copper
- Region
- brazil
- Reported Region
- Brazil
- Ticker
- LRA
Resource scope
- Estimate type
- resource
- Effective date
- 2024-07-03T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Leonardo de Moraes Soares, Michael Bennell
- Resource group id
- resource:f4f598ec1f1f779aa846
- Deposit or zone
- Main Mineralization
- Mining method
- open_pit
- Material type
- fresh
- Ownership percent
- 100 %
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 77700000
- Grade
- 874
- Grade Unit
- mlbs
- Contained Metal
- 396
- Contained Unit
- kt
- Cutoff Grade
- 0.16
- Cutoff Unit
- % CuEq
Prior Estimate
- Resource Date
- 2024-07-03
Metal Equivalent
- Metal Eq. Grade
- 0.54
- Metal Eq. Unit
- % CopperEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2024-10-09T00:00:00.000Z
Reasoning: Large volume of inferred material adds scale but limits confidence. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- Large tonnage contribution
Negative factors
- High proportion of Inferred resource
Evidence · table
“874”
Context: 77.7
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 Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
inferredPlanalto · copperTonnes: 76300000Grade: 336Grade Unit: mlbsContained Metal: 153Contained Unit: ktView all detailsHide details
Identity
- Project
- Planalto
- Commodity
- copper
- Region
- brazil
- Reported Region
- Brazil
- Ticker
- LRA
Resource scope
- Estimate type
- resource
- Effective date
- 2024-07-03T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Leonardo de Moraes Soares, Michael Bennell
- Resource group id
- resource:a788d14ba7c06b40a0b7
- Deposit or zone
- Host Rock Mineralization
- Mining method
- open_pit
- Material type
- fresh
- Ownership percent
- 100 %
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 76300000
- Grade
- 336
- Grade Unit
- mlbs
- Contained Metal
- 153
- Contained Unit
- kt
- Cutoff Grade
- 0.16
- Cutoff Unit
- % CuEq
Prior Estimate
- Resource Date
- 2024-07-03
Metal Equivalent
- Metal Eq. Grade
- 0.22
- Metal Eq. Unit
- % CopperEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2024-10-09T00:00:00.000Z
Reasoning: Large volume of inferred material adds scale but limits confidence. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- Large tonnage contribution
Negative factors
- High proportion of Inferred resource
Evidence · table
“336”
Context: 76.3
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
inferredPlanalto · copperTonnes: 154000000Grade: 1210Grade Unit: mlbsContained Metal: 549Contained Unit: ktView all detailsHide details
Identity
- Project
- Planalto
- Commodity
- copper
- Region
- brazil
- Reported Region
- Brazil
- Ticker
- LRA
Resource scope
- Estimate type
- resource
- Effective date
- 2024-07-03T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Leonardo de Moraes Soares, Michael Bennell
- Resource group id
- resource:c5c95352763e89f1c2bd
- Mining method
- open_pit
- Ownership percent
- 100 %
- Resource basis
- gross
Resource Data
- Category
- inferred
- Tonnes
- 154000000
- Grade
- 1210
- Grade Unit
- mlbs
- Contained Metal
- 549
- Contained Unit
- kt
- Cutoff Grade
- 0.16
- Cutoff Unit
- % CuEq
Prior Estimate
- Resource Date
- 2024-07-03
Metal Equivalent
- Metal Eq. Grade
- 0.38
- Metal Eq. Unit
- % CopperEq
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2024-10-09T00:00:00.000Z
Reasoning: Large volume of inferred material adds scale but limits confidence. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- Large tonnage contribution
Negative factors
- High proportion of Inferred resource
Evidence · table
“1210”
Context: 154.0
Tags used in scoring
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: category is "inferred"
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: cutoff_grade is stated
QP/CP Signedpositive
Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.
Why it applies: qp_signed is true
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
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.