Black Canyon Delivers Exceptional Maiden Mineral Resource Estimate for High-Grade Wandanya Manganese and Iron Deposit

Original announcement by globenewswire on

Company
Black Canyon Limited
Ticker
BCA
Exchange
Unavailable
Region
Western Australia
Primary commodity
Manganese
Secondary commodities
Iron ore
Document categories
Resource update
Extracted
2026-09-30 02:33:01 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Black Canyon Limited has announced a maiden Mineral Resource Estimate for the Wandanya Manganese and Iron Deposit in Western Australia. The resource comprises 23.6Mt at 25.8% Mn and 12.5Mt at 54.9% Fe, with over 90% of the manganese resource classified as Measured and Indicated.

Reasoning: Landmark maiden resource for a high-grade manganese and iron deposit with exceptional grade and scale.

Positive factors

  • Maiden resource establishment
  • High grade manganese and iron
  • High M&I percentage (>90%)
  • Significant DSO potential

Facts used in scoring: 2

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 release defines a landmark maiden Mineral Resource Estimate for the Wandanya Deposit.

Evidence · text

“landmark maiden Mineral Resource Estimate (MRE)”

Category Upgradepositive

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

Why it applies: Over 90% of the manganese resource is in Measured and Indicated categories.

Evidence · text

“Over 90% of the manganese resource and 100% of the iron resource are in Measured and Indicated categories”

Extracted facts

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

Resource Estimates (2)

indicatedWandanya · manganeseTonnes: 23600000Grade: 25.8Grade Unit: %View all details
Link to this fact

Identity

Project
Wandanya
Commodity
manganese
Region
australia_wa
Reported Region
Western Australia
Ticker
BCA

Resource scope

Estimate type
resource
Resource group id
resource:87461d47c77429ddc80a
Deposit or zone
Wandanya
Ownership percent
100 %

Resource Data

Category
indicated
Tonnes
23600000
Grade
25.8
Grade Unit
%
Cutoff Grade
12
Cutoff Unit
%

Prior Estimate

Resource Date
2026-09-29

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-30T00:00:00.000Z

Reasoning: Exceptional maiden manganese resource grade.

Positive factors

  • High grade
  • Maiden resource

Evidence · text

“23.6Mt @ 25.8% Mn (12% cut-off)”

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

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

No QP/CP Disclosurenegative

No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience.

Why it applies: no Qualified or Competent Person is named anywhere in the release

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

indicatedWandanya · iron_oreTonnes: 12500000Grade: 54.9Grade Unit: %View all details
Link to this fact

Identity

Project
Wandanya
Commodity
iron_ore
Region
australia_wa
Reported Region
Western Australia
Ticker
BCA

Resource scope

Estimate type
resource
Resource group id
resource:dec8d6e4743f49da7b11
Deposit or zone
Wandanya
Ownership percent
100 %

Resource Data

Category
indicated
Tonnes
12500000
Grade
54.9
Grade Unit
%
Cutoff Grade
50
Cutoff Unit
%

Prior Estimate

Resource Date
2026-09-29

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-30T00:00:00.000Z

Reasoning: High grade maiden iron resource.

Positive factors

  • High grade iron

Evidence · text

“12.5Mt @ 54.9% Fe (50% cut-off)”

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

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

No QP/CP Disclosurenegative

No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience.

Why it applies: no Qualified or Competent Person is named anywhere in the release

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.