McEwen Files NI 43-101 Technical Report for the Tartan Mine Project in Manitoba
Original announcement by orestocks on
- Company
- McEwen Inc.
- Ticker
- MUX
- Exchange
- TSX
- Region
- Manitoba
- Primary commodity
- Gold
- Secondary commodities
- Silver
- Document categories
- Resource update
- Extracted
- 2026-10-01 03:57:02 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
McEwen Inc. has filed an NI 43-101 Technical Report for the Tartan Mine Project in Manitoba. The report supports the mineral resource estimate previously announced on March 23, 2026, which includes Indicated and Inferred gold resources.
Reasoning: The document is a filing of a technical report supporting a previously announced resource estimate, providing high-confidence verification rather than new discovery.
Positive factors
- NI 43-101 compliant
- QA/QC verified
Facts used in scoring: 2
Classification and evidence
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 National Instrument 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: Multiple Qualified Persons from GRE are named in the report.
Evidence · text
“The Qualified Persons for the report are Terre Lane, MMSA, Hamid Samari, MMSA, Dr. Todd Harvey, SME and Larry Breckenridge, P.E.”
Extracted facts
Stored fact records: 2. Some facts used in scoring do not have a stored record.
Resource Estimates (2)
indicatedTartan Mine Project · goldTonnes: 2619000Grade: 3.67Grade Unit: g/tContained Metal: 308900Contained Unit: ozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Tartan Mine Project
- Commodity
- gold
- Region
- canada_mb
- Reported Region
- Manitoba
- Ticker
- MUX
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Terre Lane, Hamid Samari, Dr. Todd Harvey, Larry Breckenridge
- Resource group id
- resource:81139202d207d37a1f2c
Resource Data
- Category
- indicated
- Tonnes
- 2619000
- Grade
- 3.67
- Grade Unit
- g/t
- Contained Metal
- 308900
- Contained Unit
- oz
Prior Estimate
- Resource Date
- 2025-12-31
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-03-23T00:00:00.000Z
Dates
- Event date
- 2026-05-05T00:00:00.000Z
Reasoning: This is a restatement of the resource announced on March 23, 2026.
Positive factors
- NI 43-101 compliant
Negative factors
- Stale Data Re-release
Evidence · text
“consisting of Indicated Resources of 2,619,000 tonnes at 3.67 g/t Au for 308,900 ounces of gold”
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was 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
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
inferredTartan Mine Project · goldTonnes: 2832900Grade: 3.32Grade Unit: g/tContained Metal: 302700Contained Unit: ozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- Tartan Mine Project
- Commodity
- gold
- Region
- canada_mb
- Reported Region
- Manitoba
- Ticker
- MUX
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Terre Lane, Hamid Samari, Dr. Todd Harvey, Larry Breckenridge
- Resource group id
- resource:ef01c4afecdeb933a8b4
Resource Data
- Category
- inferred
- Tonnes
- 2832900
- Grade
- 3.32
- Grade Unit
- g/t
- Contained Metal
- 302700
- Contained Unit
- oz
Prior Estimate
- Resource Date
- 2025-12-31
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-03-23T00:00:00.000Z
Dates
- Event date
- 2026-05-05T00:00:00.000Z
Reasoning: This is a restatement of the resource announced on March 23, 2026.
Positive factors
- NI 43-101 compliant
Negative factors
- Stale Data Re-release
Evidence · text
“Inferred Resources of 2,832,900 tonnes at 3.32 g/t Au for 302,700 ounces of gold”
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
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
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: reporting_standards includes ni_43_101
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.