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
- 2026-08-21 09:19:52 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Lara Exploration has filed an independent NI 43-101 technical report supporting its maiden copper-gold resource at the Planalto Project in Brazil. The resource includes 47.7 Mt of Indicated and 154 Mt of Inferred resources at an average grade of 0.36% Cu and 0.04 g/t Au.
Reasoning: The filing of a formal NI 43-101 technical report for a maiden resource provides significant de-risking and transparency, though the resource remains heavily weighted toward the Inferred category.
Positive factors
- Significant copper-gold resource scale
- NI 43-101 compliant technical report filed
- Clear disclosure of CuEq assumptions and cut-off
Negative factors
- High proportion of Inferred resource (approx 77%)
- Low grades for both copper and gold
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.
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.
Evidence · text
“The QP responsible for the Mineral Resources Estimate is geologist Leonardo Soares”
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 a 0.16% copper-equivalent cut-off.
Evidence · text
“reported above a 0.16 % copper-equivalent cut off”
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)
indicatedcopperTonnes: 47700000Grade: 0.53Grade Unit: %Contained Metal: 253000Contained Unit: ktView all detailsHide details
Identity
- Commodity
- copper
- Ticker
- LRA
Resource Data
- Category
- indicated
- Tonnes
- 47700000
- Grade
- 0.53
- Grade Unit
- %
- Contained Metal
- 253000
- Contained Unit
- kt
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2024-10-17T00:00:00.000Z
Reasoning: Indicated copper grade of 0.53% is moderate for an open pit porphyry-style deposit.
Positive factors
- Solid indicated tonnage
Negative factors
- Moderate grade
Evidence · table
“0.53”
Context: 47.7
indicatedcopperTonnes: 47700000Grade: 0.56Grade Unit: % CuEqView all detailsHide details
Identity
- Commodity
- copper
- Ticker
- LRA
Resource Data
- Category
- indicated
- Tonnes
- 47700000
- Grade
- 0.56
- Grade Unit
- % CuEq
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2024-10-17T00:00:00.000Z
Reasoning: Copper equivalent grade reported with disclosed assumptions.
Positive factors
- Clear CuEq disclosure
Evidence · table
“0.56”
Context: 47.7
indicatedgoldTonnes: 47700000Grade: 0.06Grade Unit: g/tContained Metal: 92000Contained Unit: kozView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- LRA
Resource Data
- Category
- indicated
- Tonnes
- 47700000
- Grade
- 0.06
- Grade Unit
- g/t
- Contained Metal
- 92000
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2024-10-17T00:00:00.000Z
Reasoning: Gold grade is marginal at 0.06 g/t.
Negative factors
- Very low gold grade
Evidence · table
“0.06”
Context: 47.7
inferredcopperTonnes: 154000000Grade: 0.36Grade Unit: %Contained Metal: 549000Contained Unit: ktView all detailsHide details
Identity
- Commodity
- copper
- Ticker
- LRA
Resource Data
- Category
- inferred
- Tonnes
- 154000000
- Grade
- 0.36
- Grade Unit
- %
- Contained Metal
- 549000
- Contained Unit
- kt
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2024-10-17T00:00:00.000Z
Reasoning: Large inferred resource but at a low average grade of 0.36% Cu.
Positive factors
- Large tonnage scale
Negative factors
- High proportion of inferred material
- Low grade
Evidence · table
“0.36”
Context: 154.0
inferredcopperTonnes: 154000000Grade: 0.38Grade Unit: % CuEqView all detailsHide details
Identity
- Commodity
- copper
- Ticker
- LRA
Resource Data
- Category
- inferred
- Tonnes
- 154000000
- Grade
- 0.38
- Grade Unit
- % CuEq
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2024-10-17T00:00:00.000Z
Reasoning: Inferred CuEq grade is low at 0.38%.
Negative factors
- Low grade
Evidence · table
“0.38”
Context: 154.0
inferredgoldTonnes: 154000000Grade: 0.04Grade Unit: g/tContained Metal: 223500Contained Unit: kozView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- LRA
Resource Data
- Category
- inferred
- Tonnes
- 154000000
- Grade
- 0.04
- Grade Unit
- g/t
- Contained Metal
- 223500
- Contained Unit
- koz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2024-10-17T00:00:00.000Z
Reasoning: Gold grade is extremely low at 0.04 g/t.
Negative factors
- Very low gold grade
Evidence · table
“0.04”
Context: 154.0
inferredcopperTonnes: 77700000Grade: 0.51Grade Unit: %View all detailsHide details
Identity
- Commodity
- copper
- Ticker
- LRA
Resource Data
- Category
- inferred
- Tonnes
- 77700000
- Grade
- 0.51
- Grade Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2024-10-17T00:00:00.000Z
Reasoning: Inferred main mineralization grade is 0.51% Cu.
Evidence · table
“0.51”
Context: 77.7
inferredcopperTonnes: 76300000Grade: 0.2Grade Unit: %View all detailsHide details
Identity
- Commodity
- copper
- Ticker
- LRA
Resource Data
- Category
- inferred
- Tonnes
- 76300000
- Grade
- 0.2
- Grade Unit
- %
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2024-10-17T00:00:00.000Z
Reasoning: Host rock mineralization is low grade at 0.2% Cu.
Negative factors
- Low grade host rock
Evidence · table
“0.2”
Context: 76.3
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.