QMC Identifies Additional Spodumene-Bearing Pegmatite Dike

Original announcement by tmx on

Company
Quantum Minerals Corp.
Ticker
QMC
Exchange
TSX
Region
Manitoba
Primary commodity
Lithium
Secondary commodities
None reported
Document categories
Resource update, Other, Metallurgy
Extracted
2026-09-16 19:26:40 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

QMC has confirmed visual spodumene mineralization in the Mapetre Pegmatite Dike at the Irgon Lithium Mine Project in Manitoba. The company is planning systematic channel sampling and drilling to test this new structure and update a historical 1953 resource estimate.

Reasoning: The company has identified a new spodumene-bearing dike (Mapetre) which provides exploration upside, though the primary value driver remains the verification of this mineralization via upcoming assays and drilling.

Positive factors

  • Visual spodumene mineralization confirmed in new dike
  • Proximity to TANCO mine
  • Historical resource provides baseline

Negative factors

  • Historical resource is non-compliant with NI 43-101
  • New assays for Mapetre Dike are still pending

Facts used in scoring: 2

Classification and evidence

Nearology Playneutral · Story-specific tag

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: Project is located in the Cat Lake-Winnipeg River field near Cabot Corporation's TANCO mine.

Evidence · text

“which also hosts Cabot Corporation's nearby Tantalum Mining Corporation of Canada ("TANCO") rare-element pegmatite.”

Historical Estimate Onlynegative

Estimate pre-dates or does not comply with current JORC/NI 43-101 standards — requires verification drilling.

Why it applies: The resource mentioned is a 1953-1954 estimate that does not comply with current NI 43-101 standards.

Evidence · text

“This historical estimate is believed to be based on reasonable assumptions, and neither the Company nor the QP has any reason to contest the document's relevance and reliability.”

QA/QC Disclosedpositive · Story-specific tag

Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).

Why it applies: The release names a Qualified Person (Bruce E. Goad, P. Geo.) who reviewed the technical content.

Evidence · text

“The technical content of this news release has been reviewed and approved by Bruce E. Goad, P. Geo., who is a qualified person as defined by National Instrument 43-101.”

Mill Routeneutral

Processing via mill or concentrator (CIL, CIP, tank leach, flotation).

Why it applies: the document describes a flotation route ("concentrate")

Extracted facts

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

Resource Estimates (1)

inferredIrgon Lithium Mine Project · lithiumTonnes: 1200000Grade: 1.51Grade Unit: % Li2OHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Irgon Lithium Mine Project
Commodity
lithium
Region
canada_mb
Reported Region
Manitoba
Ticker
QMC

Resource scope

Estimate type
resource
Resource group id
resource:ac41cd82b40b6091f2c2

Resource Data

Category
inferred
Tonnes
1200000
Grade
1.51
Grade Unit
% Li2O

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
1955-08-04T00:00:00.000Z

Dates

Event date
2018-10-17T00:00:00.000Z

Reasoning: Historical resource estimate from 1953-1954.

Negative factors

  • Non-compliant with NI 43-101

Evidence · text

“reported a historical resource estimate of 1.2 million tons grading 1.51% Li 2 O”

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 Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was 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

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 63.2 years before this release

Metallurgical Results (1)

unspecifiedIrgon Lithium Mine Project · lithiumRecovery: 87 %Historical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Irgon Lithium Mine Project
Commodity
lithium
Region
canada_mb
Reported Region
Manitoba
Ticker
QMC

Test Work

Program Status
scoping
Test Type
unspecified

Recovery

Recovery
87 %
Recovery Basis
unspecified
Conc. Grade
5.9
Conc. Grade Unit
% Li2O

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
1957-01-01T00:00:00.000Z

Dates

Event date
2018-10-17T00:00:00.000Z

Reasoning: Historical metallurgical recovery reported from 1950s work program.

Negative factors

  • Historical data from 1950-era

Evidence · text

“Historic metallurgical tests reported an 87% recovery from which a concentrate averaging 5.9% Li 2 O was obtained.”

Tags used in scoring

High Recoverypositive

Recovery at or above the exceptional band for the commodity and processing route.

Why it applies: 87% is at or above the exceptional band (80%)

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.