CRI: Mt Lindsay Study Delivers Strong Tungsten and Tin Economics

Original announcement by asx on

Company
Critica Limited
Ticker
CRI
Exchange
ASX
Region
Tasmania
Primary commodity
Tin
Secondary commodities
Tungsten, Iron ore
Document categories
Resource update
Extracted
2026-09-29 16:27:15 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Critica Limited has released a Scoping Study for the Mt Lindsay Tin-Tungsten Project in Tasmania, outlining a 1.0 Mtpa underground mining operation. The study reports strong economics with an after-tax NPV of A$1.01 billion and an IRR of 55.6%, driven largely by tungsten revenue.

Reasoning: The Scoping Study for Mt Lindsay demonstrates robust economics and a high-confidence resource base (predominantly Indicated) for an underground tin-tungsten operation.

Positive factors

  • Strong economics with A$1.01bn after-tax NPV
  • High proportion of Indicated resources (92% of production target)
  • Strategic tungsten exposure contributing 75% of revenue
  • Established infrastructure and mining region

Negative factors

  • Scoping study level accuracy (-25% to +50%)
  • Requires substantial additional funding

Facts used in scoring: 7

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 Scoping Study establishes the first formal economic evaluation for the underground development of Mt Lindsay.

Evidence · text

“The Scoping Study outlines an underground development pathway”

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: Dr. Stuart Owen, a Member of the Australian Institute of Geoscientists, is named as the Competent Person.

Evidence · text

“Dr. Stuart Owen who is a Member of the Australian Institute of Geoscientists”

JorC Compliantpositive · Story-specific tag

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: The Mineral Resource estimate is prepared in accordance with the JORC 2012 Code.

Evidence · text

“updated JORC 2012 Mineral Resource Estimate”

Extracted facts

Stored fact records: 7. Some facts used in scoring do not have a stored record.

Resource Estimates (7)

indicatedmt lindsay · tinTonnes: 12000000View all details
Link to this fact

Identity

Project
mt lindsay
Commodity
tin
Region
australia_tas
Reported Region
Tasmania
Ticker
CRI

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Dr. Stuart Owen
Resource group id
resource:7dc65b3afa8dfbc16fe4
Deposit or zone
Main & No.2
Mining method
combined
Ownership percent
100 %

Resource Data

Category
indicated
Tonnes
12000000
Cutoff Grade
0.4
Cutoff Unit
% SnEq

Prior Estimate

Resource Date
2026-09-14

Metal Equivalent

Metal Eq. Grade
1.22
Metal Eq. Unit
% SnEq

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-28T00:00:00.000Z

Reasoning: Indicated resource with strong SnEq grade.

Positive factors

  • High grade SnEq

Evidence · table

“12”

Context: 12

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

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

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

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

indicatedmt lindsay · tungstenTonnes: 12000000Grade: 0.17Grade Unit: %View all details
Link to this fact

Identity

Project
mt lindsay
Commodity
tungsten
Region
australia_tas
Reported Region
Tasmania
Ticker
CRI

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Dr. Stuart Owen
Resource group id
resource:7dc65b3afa8dfbc16fe4
Deposit or zone
Main & No.2
Mining method
combined
Ownership percent
100 %

Resource Data

Category
indicated
Tonnes
12000000
Grade
0.17
Grade Unit
%
Cutoff Grade
0.4
Cutoff Unit
% SnEq

Prior Estimate

Resource Date
2026-09-14

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-28T00:00:00.000Z

Reasoning: Part of the indicated resource for the main deposit.

Positive factors

  • Significant tungsten component

Evidence · table

“0.17”

Context: 12

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

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

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

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

indicatedmt lindsay · iron_oreTonnes: 12000000Grade: 13Grade Unit: %View all details
Link to this fact

Identity

Project
mt lindsay
Commodity
iron_ore
Region
australia_tas
Reported Region
Tasmania
Ticker
CRI

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Dr. Stuart Owen
Resource group id
resource:7dc65b3afa8dfbc16fe4
Deposit or zone
Main & No.2
Mining method
combined
Ownership percent
100 %

Resource Data

Category
indicated
Tonnes
12000000
Grade
13
Grade Unit
%
Cutoff Grade
0.4
Cutoff Unit
% SnEq

Prior Estimate

Resource Date
2026-09-14

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-28T00:00:00.000Z

Reasoning: Indicated magnetite component.

Positive factors

  • High magnetite recovery

Evidence · table

“13”

Context: 12

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

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

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

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredmt lindsay · tinTonnes: 2300000View all details
Link to this fact

Identity

Project
mt lindsay
Commodity
tin
Region
australia_tas
Reported Region
Tasmania
Ticker
CRI

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Dr. Stuart Owen
Resource group id
resource:945a5ac01e2754d955e0
Deposit or zone
Main & No.2
Mining method
combined
Ownership percent
100 %

Resource Data

Category
inferred
Tonnes
2300000
Cutoff Grade
0.4
Cutoff Unit
% SnEq

Prior Estimate

Resource Date
2026-09-14

Metal Equivalent

Metal Eq. Grade
0.85
Metal Eq. Unit
% SnEq

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-28T00:00:00.000Z

Reasoning: Inferred resource component.

Positive factors

  • Contributes to total resource

Negative factors

  • Lower geological confidence

Evidence · table

“2.3”

Context: 2.3

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

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

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

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredmt lindsay · tungstenTonnes: 2300000Grade: 0.12Grade Unit: %View all details
Link to this fact

Identity

Project
mt lindsay
Commodity
tungsten
Region
australia_tas
Reported Region
Tasmania
Ticker
CRI

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Dr. Stuart Owen
Resource group id
resource:945a5ac01e2754d955e0
Deposit or zone
Main & No.2
Mining method
combined
Ownership percent
100 %

Resource Data

Category
inferred
Tonnes
2300000
Grade
0.12
Grade Unit
%
Cutoff Grade
0.4
Cutoff Unit
% SnEq

Prior Estimate

Resource Date
2026-09-14

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-28T00:00:00.000Z

Reasoning: Inferred resource component.

Negative factors

  • Lower geological confidence

Evidence · table

“0.12”

Context: 2.3

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

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

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

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredmt lindsay · tinTonnes: 4400000View all details
Link to this fact

Identity

Project
mt lindsay
Commodity
tin
Region
australia_tas
Reported Region
Tasmania
Ticker
CRI

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Dr. Stuart Owen
Resource group id
resource:ac553a858dd296dfecde
Deposit or zone
Livingstone
Mining method
combined
Ownership percent
100 %

Resource Data

Category
inferred
Tonnes
4400000
Cutoff Grade
0.4
Cutoff Unit
% SnEq

Prior Estimate

Resource Date
2026-09-14

Metal Equivalent

Metal Eq. Grade
0.29
Metal Eq. Unit
% SnEq

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-28T00:00:00.000Z

Reasoning: Inferred resource component.

Negative factors

  • Lower geological confidence

Evidence · table

“4.4”

Context: 4.4

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

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

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

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

inferredmt lindsay · tungstenTonnes: 4400000Grade: 0.11Grade Unit: %View all details
Link to this fact

Identity

Project
mt lindsay
Commodity
tungsten
Region
australia_tas
Reported Region
Tasmania
Ticker
CRI

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Dr. Stuart Owen
Resource group id
resource:ac553a858dd296dfecde
Deposit or zone
Livingstone
Mining method
combined
Ownership percent
100 %

Resource Data

Category
inferred
Tonnes
4400000
Grade
0.11
Grade Unit
%
Cutoff Grade
0.4
Cutoff Unit
% SnEq

Prior Estimate

Resource Date
2026-09-14

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-28T00:00:00.000Z

Reasoning: Inferred resource component.

Negative factors

  • Lower geological confidence

Evidence · table

“0.11”

Context: 4.4

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

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

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: the release compares against a previous estimate

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

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

Why it applies: the release names the study this estimate supports

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

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.