Lara Exploration Announces Filing of Technical Report for Previously Announced 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 11:46:52 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Lara Exploration has filed an independent NI 43-101 technical report for its Planalto Copper-Gold Project in Brazil. The report supports a maiden mineral resource estimate of 154 Mt at 0.36% Cu and 0.04 g/t Au, consisting of 47.7 Mt Indicated and 106.3 Mt Inferred resources.
Reasoning: The filing of a formal NI 43-101 technical report for a maiden resource provides significant de-risking and formalizes the project's scale, though the grades are relatively low and the resource is heavily weighted toward the Inferred category.
Positive factors
- Maiden resource established
- Significant tonnage reported
- QP/CP sign-off provided
- NI 43-101 compliant technical report filed
Negative factors
- Low grade copper
- High proportion of Inferred resource
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 technical report supports the initial resource estimate for the Planalto project.
Evidence · text
“supporting the initial resource estimate”
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: The technical report was prepared in accordance with NI 43-101 standards.
Evidence · text
“prepared in accordance with National Instrument 43-101”
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: Qualified Persons Leonardo de Moraes Soares and Michael Bennell are named and have signed off on the disclosure.
Evidence · text
“Qualified Person Mr. Leonardo de Moraes Soares MAIG, is a Qualified Person under NI 43-101”
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: The report explicitly states the copper-equivalent cut-off grade used.
Evidence · text
“reported above a 0.16 % copper-equivalent cut off”
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
- 2024-10-17T00:00:00.000Z
Reasoning: Indicated resource for the main mineralization domain.
Positive factors
- Indicated category provides geological confidence
Negative factors
- Low grade
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 Copper-Gold Project · goldTonnes: 47700000Grade: 0.06Grade Unit: g/tContained Metal: 92Contained Unit: kozView all detailsHide details
Identity
- Project
- Planalto Copper-Gold 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:c77104e2de150a03dc5c
- 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
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2024-10-17T00:00:00.000Z
Reasoning: Gold grade component of the indicated 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 · 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
- 2024-10-17T00:00:00.000Z
Reasoning: Inferred resource for the main mineralization domain.
Negative factors
- Inferred category limits confidence
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 Copper-Gold Project · goldTonnes: 77700000Grade: 0.06Grade Unit: g/tContained Metal: 149.9Contained Unit: kozView all detailsHide details
Identity
- Project
- Planalto Copper-Gold 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:5f5a23e696cea9f82195
- 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
- 0.06
- Grade Unit
- g/t
- Contained Metal
- 149.9
- Contained Unit
- koz
- Cutoff Grade
- 0.16
- Cutoff Unit
- % CuEq
Prior Estimate
- Resource Date
- 2024-07-03
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2024-10-17T00:00:00.000Z
Reasoning: Gold grade component of the inferred resource.
Evidence · table
“0.06”
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
- 2024-10-17T00:00:00.000Z
Reasoning: Inferred resource for the host rock mineralization domain.
Negative factors
- Low grade host rock
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 Copper-Gold Project · goldTonnes: 76300000Grade: 0.03Grade Unit: g/tContained Metal: 73.6Contained Unit: kozView all detailsHide details
Identity
- Project
- Planalto Copper-Gold 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:a7a9b1617071ff1755a1
- 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
- 0.03
- Grade Unit
- g/t
- Contained Metal
- 73.6
- Contained Unit
- koz
- Cutoff Grade
- 0.16
- Cutoff Unit
- % CuEq
Prior Estimate
- Resource Date
- 2024-07-03
Metal Equivalent
- Assumptions Disclosed
- Yes
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2024-10-17T00:00:00.000Z
Reasoning: Gold grade component of the inferred host rock resource.
Evidence · table
“0.03”
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
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
- 2024-10-17T00:00:00.000Z
Reasoning: Indicated resource for the main mineralization domain. (Expanded from multi-commodity resource table for completeness.)
Positive factors
- Indicated category provides geological confidence
Negative factors
- Low grade
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: 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
- 2024-10-17T00:00:00.000Z
Reasoning: Inferred resource for the main mineralization domain. (Expanded from multi-commodity resource table for completeness.)
Negative factors
- Inferred category limits confidence
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.