CPN: 45% Increase to MRE at Kelpie Tin Deposit - Amended

Original announcement by asx on

Company
Caspin Resources Limited
Ticker
CPN
Exchange
ASX
Region
New South Wales
Primary commodity
Tin
Secondary commodities
None reported
Document categories
Resource update
Extracted
2026-10-12 02:11:33 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Caspin Resources Limited announced a significant update to the Mineral Resource Estimate for its Kelpie Tin Deposit, reporting 6.5 Mt at 0.43% Sn for 28 kt of contained tin. This represents a 45% increase in contained tin since the September 2025 maiden MRE and includes a maiden Indicated MRE, which accounts for 25% of the total resource. The updated estimate, constrained within an open pit shell, demonstrates strong potential for a viable stand-alone, high-grade tin development.

Reasoning: The updated Mineral Resource Estimate for the Kelpie Tin Deposit shows a substantial 45% increase in contained tin and introduces a maiden Indicated category, significantly de-risking the project and supporting its potential as a viable open-pit development.

Positive factors

  • 45% increase in contained tin
  • Maiden Indicated MRE established (25% of total)
  • MRE constrained within an open pit shell
  • Excellent potential for further resource growth
  • Supports stand-alone, high-grade, open pit tin development
  • JORC 2012 compliant
  • Competent Person sign-off

Low confidence — this extraction should be reviewed alongside the original source.

Facts used in scoring: 2

Classification and evidence

Contained Metal Growthpositive

True scale improvement — contained metal ounces/tonnes increased vs prior, accounting for both tonnage and grade changes.

Why it applies: The document highlights a '45% increase in contained tin since September 2025 maiden MRE'.

Evidence · text

“45% increase in contained tin since September 2025 maiden MRE”

Category Upgradepositive

Resource confidence improved — Inferred upgraded to Indicated, or Indicated to Measured. De-risking signal.

Why it applies: The announcement explicitly states 'Maiden Indicated MRE representing 25% of the total MRE'.

Evidence · text

“Maiden Indicated MRE representing 25% of the total MRE”

Indicated Resourcepositive

Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: The updated MRE includes a 'Maiden Indicated MRE representing 25% of the total MRE'.

Evidence · text

“Maiden Indicated MRE representing 25% of the total MRE”

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: Mr Michael Job, a Fellow of the Australasian Institute of Mining and Metallurgy and independent consultant, is named as the Competent Person for the Mineral Resources.

Evidence · text

“Mr Michael Job, who is a Fellow of the Australasian Institute of Mining and Metallurgy. Mr Job is an independent consultant employed by Cube Consulting and has sufficient experience of relevance to the styles of mineralisation and the types of deposits under consideration, and to the activities undertaken, to qualify as a Competent Person as defined in the 2012 Edition of the Joint Ore Reserves Committee (JORC) Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves.”

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: Table 1 clearly states the 'Cut-off Grade (%)' as 0.15 for both Indicated and Inferred categories.

Evidence · table

“0.15”

Context: Indicated

JORC Compliantpositive

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

Why it applies: The document states that 'The MRE is reported in accordance with the JORC Code (2012)'.

Evidence · text

“The MRE is reported in accordance with the JORC Code (2012).”

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: The MRE includes 5.1 Mt of Inferred resource, which is a speculative category.

Evidence · table

“5.1”

Context: Inferred

Resource Updateneutral

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

Why it applies: The document announces an 'Updated Mineral Resource Estimate (MRE)' for the Kelpie Tin Deposit.

Evidence · text

“Updated Mineral Resource Estimate (MRE)of 6.5Mt @ 0.43% Sn for 28kt of contained tin”

Extracted facts

Stored fact records: 2. Some facts used in scoring do not have a stored record.

Resource Estimates (2)

indicatedKelpie Deposit · tinTonnes: 1400000Grade: 0.47Grade Unit: %Contained Metal: 7Contained Unit: ktView all details
Link to this fact

Identity

Project
Kelpie Deposit
Commodity
tin
Region
australia_nsw
Reported Region
New South Wales
Ticker
CPN

Resource scope

Estimate type
resource
Effective date
2026-10-12T00:00:00.000Z
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Mr Michael Job
Resource group id
resource:8795baa32d0ea2e5f0b6
Deposit or zone
Kelpie Deposit
Mining method
open_pit
Material type
fresh
Ownership percent
100 %
Resource basis
gross

Resource Data

Category
indicated
Tonnes
1400000
Grade
0.47
Grade Unit
%
Contained Metal
7
Contained Unit
kt
Cutoff Grade
0.15
Cutoff Unit
% Sn

Prior Estimate

Resource Date
2026-10-12

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-12T00:00:00.000Z

Reasoning: The establishment of a maiden Indicated Resource for tin at Kelpie significantly de-risks the project, providing a higher confidence category suitable for economic evaluations.

Positive factors

  • Maiden Indicated Resource
  • High confidence category
  • Supports economic studies

Evidence · table

“0.47”

Context: 1.4

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

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

inferredKelpie Deposit · tinTonnes: 5100000Grade: 0.41Grade Unit: %Contained Metal: 21Contained Unit: ktView all details
Link to this fact

Identity

Project
Kelpie Deposit
Commodity
tin
Region
australia_nsw
Reported Region
New South Wales
Ticker
CPN

Resource scope

Estimate type
resource
Effective date
2026-10-12T00:00:00.000Z
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Mr Michael Job
Resource group id
resource:2b1f7ed8706272a2d7f1
Deposit or zone
Kelpie Deposit
Mining method
open_pit
Material type
fresh
Ownership percent
100 %
Resource basis
gross

Resource Data

Category
inferred
Tonnes
5100000
Grade
0.41
Grade Unit
%
Contained Metal
21
Contained Unit
kt
Cutoff Grade
0.15
Cutoff Unit
% Sn

Prior Estimate

Resource Date
2026-10-12

Review

Needs Review
No
Historical
No

Dates

Event date
2026-10-12T00:00:00.000Z

Reasoning: The Inferred Resource contributes significantly to the overall tonnage and contained metal growth, although it represents a lower confidence category compared to the new Indicated portion.

Positive factors

  • Significant tonnage contribution
  • Part of overall resource growth

Negative factors

  • Lower confidence category

Evidence · table

“0.41”

Context: 5.1

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 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

Resource Updateneutral

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

Why it applies: the release compares against a previous estimate

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.