MAYFAIR GOLD REPORTS FINAL POSITIVE RESULTS AND ANALYSIS FROM GRADE CONTROL DRILLING PROGRAM

Original announcement by tmx on

Company
Mayfair Gold Corp.
Ticker
MFG
Exchange
TSX
Region
Ontario
Primary commodity
Gold
Secondary commodities
None reported
Document categories
Resource update, Drill results
Extracted
2026-09-14 10:39:03 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Mayfair Gold has completed a grade control drilling program at the Fenn-Gib Project, validating approximately 1.0 million tonnes of probable reserves. The results showed that for material above 3.0 g/t Au, the grade control model identified 28% more tonnes at a 7% higher grade than the previous reserve model, suggesting potential for accelerated high-grade production.

Reasoning: The grade control program validated ~1.0Mt of probable reserves, showing higher-than-expected grade and tonnage for high-grade material (>3.0 g/t Au), significantly de-risking early mine production.

Positive factors

  • Validation of probable reserves
  • Higher grade material identified for early production
  • De-risking of early cash flow profile
  • QA/QC protocols disclosed

Negative factors

  • Results specific to the tested area only

Facts used in scoring: 2

Classification and evidence

QA/QC Disclosedpositive

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

Why it applies: Release details specific QA/QC protocols including CRM, blanks, duplicates, and third-party check assays.

Evidence · text

“As part of Mayfair Gold's QA/QC protocol, one certified reference material (CRM), one coarse blank, and one coarse duplicate sample were inserted into the sequence of every 25 samples.”

NI 43-101 Compliantpositive

Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.

Why it applies: The technical report and PFS are explicitly stated to be NI 43-101 compliant.

Evidence · text

“Fenn-Gib Gold Project NI 43-101 Technical Report”

Extracted facts

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

Resource Estimates (2)

probableFenn-Gib Project · goldTonnes: 1000000View all details
Link to this fact

Identity

Project
Fenn-Gib Project
Commodity
gold
Region
canada_on
Reported Region
Ontario
Ticker
MFG

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Drew Anwyll
Resource group id
resource:d4e0a7ab6ccbe9969df2
Deposit or zone
test area 1
Mining method
open_pit
Resource basis
gross

Resource Data

Category
probable
Tonnes
1000000

Prior Estimate

Resource Date
2025-12-19

Lab

Laboratory
Swastika Laboratories Ltd.

Review

Needs Review
No
Historical
No

Dates

Event date
2026-06-18T00:00:00.000Z

Reasoning: Validation of a significant portion of the Phase 1 reserve model.

Positive factors

  • Confirms reserve model

Evidence · text

“approximately 1 million tonnes of ore-grade material that was categorized as probable reserves”

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "probable"

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

No Contained Metalnegative

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

Why it applies: contained_metal was not reported

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

probableFenn-Gib Project · goldTonnes: 25100000Grade: 1.29Grade Unit: g/tContained Metal: 1000000Contained Unit: ozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Fenn-Gib Project
Commodity
gold
Region
canada_on
Reported Region
Ontario
Ticker
MFG

Resource scope

Estimate type
reserve
Reporting standards
ni_43_101
QP Signed
Yes
Qualified person names
Drew Anwyll
Resource group id
resource:ce3db2074b5ba84b2ecc
Deposit or zone
Fenn-Gib Project
Resource basis
gross

Resource Data

Category
probable
Tonnes
25100000
Grade
1.29
Grade Unit
g/t
Contained Metal
1000000
Contained Unit
oz

Prior Estimate

Resource Date
2025-12-19

Lab

Laboratory
Swastika Laboratories Ltd.

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-12-19T00:00:00.000Z

Dates

Event date
2026-06-18T00:00:00.000Z

Reasoning: Baseline probable reserve figure mentioned for context.

Evidence · text

“25.1Mt at an average grade of 1.29g/t”

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "probable"

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

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.