MTH: Investor Presentation

Original announcement by asx on

Company
Mithril Silver and Gold Limited
Ticker
MTH
Exchange
ASX
Region
Durango, Mexico
Primary commodity
Gold
Secondary commodities
Silver
Document categories
Drill results, Resource update, Metallurgy
Extracted
2026-09-24 00:17:56 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Mithril Silver and Gold Limited announced a significant upgrade to its Copalquin Target 1 Mineral Resource Estimate, with a 196% increase in Indicated resources. The estimate, effective June 29, 2026, is JORC and NI 43-101 compliant and supports an ongoing Preliminary Economic Assessment. The company also reported strong metallurgical recoveries for gold and silver and outlined an active exploration pipeline across its Copalquin and La Dura projects in Durango, Mexico.

Reasoning: The investor presentation highlights a substantial upgrade to the Target 1 resource, particularly the Indicated category, supported by strong metallurgical recoveries and a clear path to a PEA. The company also showcases a robust exploration pipeline and experienced leadership, indicating significant potential for growth and de-risking in a high-grade silver-gold district.

Positive factors

  • Significant increase in Indicated resource for Target 1, de-risking the project
  • High-grade nature of the gold-silver mineralization
  • Strong metallurgical recoveries for both gold and silver
  • Clear exploration and development pipeline with multiple targets
  • Experienced management team with direct experience in Mexican high-grade projects
  • JORC and NI 43-101 compliant resource estimate with QP sign-off

Negative factors

  • Drill results presented are historical, not new assays
  • Metal equivalent assumptions rely on specific metal prices and recoveries which can fluctuate

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

Facts used in scoring: 26

Classification and evidence

Category Upgradepositive

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

Why it applies: The June 2026 upgrade increased the Indicated resource by 196%, indicating a significant improvement in resource confidence.

Evidence · text

“The June 2026 upgrade increased the Indicated resource by 196%”

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 John Sims, a Certified Registered Geologist, is acting as the independent Competent Person under JORC Code and Qualified Person under NI 43-101 for the resource estimate.

Evidence · text

“Mr John Sims, a Certified Registered Geologist with the American Institute of Professional Geologists. This is a Recognised Professional Organisation under the JORC Code and an Acceptable Foreign Association under NI 43-101. Mr Sims is acting as the independent Competent Person under the 2012 JORC Code and the independent Qualified Person under NI 43-101 for the upgraded Copalquin Target 1 Mineral Resource Estimate, eective June 29, 2026.”

JORC Compliantpositive

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

Why it applies: The resource estimate is stated to be compliant with the 2012 JORC Code.

Evidence · text

“Mr Sims is acting as the independent Competent Person under the 2012 JORC Code”

NI 43-101 Compliantpositive

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

Why it applies: The resource estimate is stated to be compliant with NI 43-101.

Evidence · text

“the independent Qualified Person under NI 43-101 for the upgraded Copalquin Target 1 Mineral Resource Estimate”

Cut-off Disclosedpositive

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

Why it applies: The undiluted resource is reported with a 1.50 g/t AuEq cut-off.

Evidence · text

“Undiluted resource reported with a 1.50 g/t AuEq cut-o”

High Recoverypositive

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

Why it applies: Metallurgical recoveries are 96% for gold and 91% for silver, which are strong for these commodities.

Evidence · text

“Metallurgical recoveries are 96% for gold and 91% for silver based on test work on Target 1 composite samples.”

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: The drill results presented are historical, with the slide explicitly stating 'Results reported across Target 1 and district exploration areas' and 'See the ASX announcements listed in the source presentation for full context and technical disclosure.'

Evidence · text

“SELECTED HIGH-GRADE DRILL INTERVALS Results reported across Target 1 and district exploration areas”

PEA-Supportingneutral

Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.

Why it applies: A Preliminary Economic Assessment (PEA) has commenced for Target 1, supported by the updated resource.

Evidence · text

“TARGET 1 PRELIMINARY ECONOMIC ASSESSMENT PEA (Scoping Study) commenced with permitting in progress”

Single Domain Onlynegative

Testing limited to one composite or domain — representativeness not established.

Why it applies: only one composite was tested

Extracted facts

Stored fact records: 26. Some facts used in scoring do not have a stored record.

Drill Results (16)

CDH-159El Cometa · goldGrade: 80.1Grade Unit: g/tIntercept: 13 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
CDH-159
Project
El Cometa
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
MTH

Geometry

Grade
80.1
Grade Unit
g/t
Intercept
13 m

Classification

Sample Type
drill

QA/QC

QP Signed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: This historical intercept shows an exceptionally high gold grade over a significant width, indicating bonanza-grade potential in the El Cometa area.

Positive factors

  • Exceptional gold grade
  • Significant intercept length

Negative factors

  • Historical result, not new

Evidence · text

“13.00 m 80.1 g/t Au + 675 g/t Ag CDH-159 | El Cometa”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

CDH-159El Cometa · silverGrade: 675Grade Unit: g/tIntercept: 13 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
CDH-159
Project
El Cometa
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
MTH

Geometry

Grade
675
Grade Unit
g/t
Intercept
13 m

Classification

Sample Type
drill

QA/QC

QP Signed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: This historical intercept shows an exceptionally high silver grade over a significant width, indicating bonanza-grade potential in the El Cometa area.

Positive factors

  • Exceptional silver grade
  • Significant intercept length

Negative factors

  • Historical result, not new

Evidence · text

“13.00 m 80.1 g/t Au + 675 g/t Ag CDH-159 | El Cometa”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

CDH-077El Refugio · goldGrade: 80.3Grade Unit: g/tIntercept: 8.26 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
CDH-077
Project
El Refugio
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
MTH

Geometry

Grade
80.3
Grade Unit
g/t
Intercept
8.26 m

Classification

Sample Type
drill

QA/QC

QP Signed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: This historical intercept shows an exceptionally high gold grade over a significant width, highlighting the high-grade nature of the El Refugio area.

Positive factors

  • Exceptional gold grade
  • Significant intercept length

Negative factors

  • Historical result, not new

Evidence · text

“8.26 m 80.3 g/t Au + 705 g/t Ag CDH-077 | El Refugio”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

CDH-077El Refugio · silverGrade: 705Grade Unit: g/tIntercept: 8.26 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
CDH-077
Project
El Refugio
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
MTH

Geometry

Grade
705
Grade Unit
g/t
Intercept
8.26 m

Classification

Sample Type
drill

QA/QC

QP Signed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: This historical intercept shows an exceptionally high silver grade over a significant width, highlighting the high-grade nature of the El Refugio area.

Positive factors

  • Exceptional silver grade
  • Significant intercept length

Negative factors

  • Historical result, not new

Evidence · text

“8.26 m 80.3 g/t Au + 705 g/t Ag CDH-077 | El Refugio”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

MTH-LS25-11La Soledad · goldGrade: 20.5Grade Unit: g/tIntercept: 4.95 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MTH-LS25-11
Project
La Soledad
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
MTH

Geometry

Grade
20.5
Grade Unit
g/t
Intercept
4.95 m

Classification

Sample Type
drill

QA/QC

QP Signed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: This historical intercept shows an exceptionally high gold grade, indicating bonanza-grade potential at La Soledad.

Positive factors

  • Exceptional gold grade

Negative factors

  • Historical result, not new

Evidence · text

“4.95 m 20.5 g/t Au + 1,833 g/t Ag MTH-LS25-11 | La Soledad”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

MTH-LS25-11La Soledad · silverGrade: 1833Grade Unit: g/tIntercept: 4.95 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MTH-LS25-11
Project
La Soledad
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
MTH

Geometry

Grade
1833
Grade Unit
g/t
Intercept
4.95 m

Classification

Sample Type
drill

QA/QC

QP Signed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: This historical intercept shows an exceptionally high silver grade, indicating bonanza-grade potential at La Soledad.

Positive factors

  • Exceptional silver grade

Negative factors

  • Historical result, not new

Evidence · text

“4.95 m 20.5 g/t Au + 1,833 g/t Ag MTH-LS25-11 | La Soledad”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

MTH-ZG25-37Zaragoza · goldGrade: 6.4Grade Unit: g/tIntercept: 0.57 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MTH-ZG25-37
Project
Zaragoza
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
MTH

Geometry

Grade
6.4
Grade Unit
g/t
Intercept
0.57 m

Classification

Sample Type
drill

QA/QC

QP Signed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: This historical intercept shows an exceptional gold grade, but its very narrow width limits its individual materiality.

Positive factors

  • Exceptional gold grade

Negative factors

  • Very narrow intercept length
  • Historical result, not new

Evidence · text

“0.57 m 6.40 g/t Au + 4,400 g/t Ag MTH-ZG25-37 | Zaragoza”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

MTH-ZG25-37Zaragoza · silverGrade: 4400Grade Unit: g/tIntercept: 0.57 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
MTH-ZG25-37
Project
Zaragoza
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
MTH

Geometry

Grade
4400
Grade Unit
g/t
Intercept
0.57 m

Classification

Sample Type
drill

QA/QC

QP Signed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: This historical intercept shows an exceptionally high silver grade, indicating bonanza-grade potential despite the narrow width.

Positive factors

  • Exceptional silver grade

Negative factors

  • Very narrow intercept length
  • Historical result, not new

Evidence · text

“0.57 m 6.40 g/t Au + 4,400 g/t Ag MTH-ZG25-37 | Zaragoza”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

CO26-002Copalquin-Zaragoza · goldGrade: 1.8Grade Unit: g/tIntercept: 13.95 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
CO26-002
Project
Copalquin-Zaragoza
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
MTH

Geometry

Grade
1.8
Grade Unit
g/t
Intercept
13.95 m

Classification

Sample Type
drill

QA/QC

QP Signed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: This historical intercept shows a moderate gold grade over a good width, indicating consistent mineralization in the Copalquin-Zaragoza area.

Positive factors

  • Moderate gold grade
  • Significant intercept length

Negative factors

  • Historical result, not new

Evidence · text

“13.95 m 1.80 g/t Au + 264 g/t Ag CO26-002 | Copalquin-Zaragoza”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

CO26-002Copalquin-Zaragoza · silverGrade: 264Grade Unit: g/tIntercept: 13.95 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
CO26-002
Project
Copalquin-Zaragoza
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
MTH

Geometry

Grade
264
Grade Unit
g/t
Intercept
13.95 m

Classification

Sample Type
drill

QA/QC

QP Signed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: This historical intercept shows a strong silver grade over a good width, indicating consistent mineralization in the Copalquin-Zaragoza area.

Positive factors

  • Strong silver grade
  • Significant intercept length

Negative factors

  • Historical result, not new

Evidence · text

“13.95 m 1.80 g/t Au + 264 g/t Ag CO26-002 | Copalquin-Zaragoza”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

T2DH25-006Las Brujas · goldGrade: 8.6Grade Unit: g/tIntercept: 11.5 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
T2DH25-006
Project
Las Brujas
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
MTH

Geometry

Grade
8.6
Grade Unit
g/t
Intercept
11.5 m

Classification

Sample Type
drill

QA/QC

QP Signed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: This historical intercept shows an exceptional gold grade over a good width, highlighting high-grade potential at Las Brujas.

Positive factors

  • Exceptional gold grade
  • Significant intercept length

Negative factors

  • Historical result, not new

Evidence · text

“11.50 m 8.60 g/t Au + 57.6 g/t Ag T2DH25-006 | Las Brujas”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

T2DH25-006Las Brujas · silverGrade: 57.6Grade Unit: g/tIntercept: 11.5 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
T2DH25-006
Project
Las Brujas
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
MTH

Geometry

Grade
57.6
Grade Unit
g/t
Intercept
11.5 m

Classification

Sample Type
drill

QA/QC

QP Signed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: This historical intercept shows a moderate silver grade over a good width, contributing to the overall prospectivity of Las Brujas.

Positive factors

  • Moderate silver grade
  • Significant intercept length

Negative factors

  • Historical result, not new

Evidence · text

“11.50 m 8.60 g/t Au + 57.6 g/t Ag T2DH25-006 | Las Brujas”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

CDH-094Refugio West · goldGrade: 9.64Grade Unit: g/tIntercept: 18.67 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
CDH-094
Project
Refugio West
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
MTH

Geometry

Grade
9.64
Grade Unit
g/t
Intercept
18.67 m

Classification

Sample Type
drill

QA/QC

QP Signed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: This historical intercept shows an exceptional gold grade over a substantial width, indicating strong mineralization at Refugio West.

Positive factors

  • Exceptional gold grade
  • Significant intercept length

Negative factors

  • Historical result, not new

Evidence · text

“18.67 m 9.64 g/t Au + 278 g/t Ag CDH-094 | Refugio West”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

CDH-094Refugio West · silverGrade: 278Grade Unit: g/tIntercept: 18.67 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
CDH-094
Project
Refugio West
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
MTH

Geometry

Grade
278
Grade Unit
g/t
Intercept
18.67 m

Classification

Sample Type
drill

QA/QC

QP Signed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: This historical intercept shows a strong silver grade over a substantial width, indicating strong mineralization at Refugio West.

Positive factors

  • Strong silver grade
  • Significant intercept length

Negative factors

  • Historical result, not new

Evidence · text

“18.67 m 9.64 g/t Au + 278 g/t Ag CDH-094 | Refugio West”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

CDH-040Los Reyes · goldGrade: 32.2Grade Unit: g/tIntercept: 2.22 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
CDH-040
Project
Los Reyes
Commodity
gold
Region
mexico
Reported Region
mexico
Ticker
MTH

Geometry

Grade
32.2
Grade Unit
g/t
Intercept
2.22 m

Classification

Sample Type
drill

QA/QC

QP Signed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: This historical intercept shows an exceptionally high gold grade, indicating bonanza-grade potential at Los Reyes despite the narrow width.

Positive factors

  • Exceptional gold grade

Negative factors

  • Narrow intercept length
  • Historical result, not new

Evidence · text

“2.22 m 32.2 g/t Au + 185 g/t Ag CDH-040 | Los Reyes”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

CDH-040Los Reyes · silverGrade: 185Grade Unit: g/tIntercept: 2.22 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
CDH-040
Project
Los Reyes
Commodity
silver
Region
mexico
Reported Region
mexico
Ticker
MTH

Geometry

Grade
185
Grade Unit
g/t
Intercept
2.22 m

Classification

Sample Type
drill

QA/QC

QP Signed
Yes

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: This historical intercept shows a strong silver grade, contributing to the high-grade potential at Los Reyes despite the narrow width.

Positive factors

  • Strong silver grade

Negative factors

  • Narrow intercept length
  • Historical result, not new

Evidence · text

“2.22 m 32.2 g/t Au + 185 g/t Ag CDH-040 | Los Reyes”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Resource Estimates (8)

indicatedCopalquin Target 1 · goldTonnes: 3391000Grade: 3.15Grade Unit: g/tContained Metal: 343Contained Unit: kozView all details
Link to this fact

Identity

Project
Copalquin Target 1
Commodity
gold
Ticker
MTH

Resource scope

Estimate type
resource
Effective date
2026-06-29T00:00:00.000Z
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Mr John Sims
Resource group id
resource:4ca6fa77ca178a021bee
Deposit or zone
Target 1

Resource Data

Category
indicated
Tonnes
3391000
Grade
3.15
Grade Unit
g/t
Contained Metal
343
Contained Unit
koz

Prior Estimate

Resource Date
2026-06-29

Metal Equivalent

Metal Eq. Grade
4.26
Metal Eq. Unit
g/t AuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: The Indicated gold resource at Target 1 is substantial, high-grade, and forms a key part of the project's de-risking strategy, supporting future economic studies.

Positive factors

  • High confidence category (Indicated)
  • Significant tonnage and grade for gold
  • Supports ongoing PEA
  • QP/CP signed and JORC/NI 43-101 compliant

Evidence · table

“3.15”

Context: 3,391

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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

indicatedCopalquin Target 1 · silverTonnes: 3391000Grade: 77.8Grade Unit: g/tContained Metal: 8479Contained Unit: kozView all details
Link to this fact

Identity

Project
Copalquin Target 1
Commodity
silver
Ticker
MTH

Resource scope

Estimate type
resource
Effective date
2026-06-29T00:00:00.000Z
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Mr John Sims
Resource group id
resource:4ca6fa77ca178a021bee
Deposit or zone
Target 1

Resource Data

Category
indicated
Tonnes
3391000
Grade
77.8
Grade Unit
g/t
Contained Metal
8479
Contained Unit
koz

Prior Estimate

Resource Date
2026-06-29

Metal Equivalent

Metal Eq. Grade
4.26
Metal Eq. Unit
g/t AuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: The Indicated silver resource at Target 1 is substantial and high-grade, contributing significantly to the project's overall value and supporting future economic studies.

Positive factors

  • High confidence category (Indicated)
  • Significant tonnage and grade for silver
  • Supports ongoing PEA
  • QP/CP signed and JORC/NI 43-101 compliant

Evidence · table

“77.8”

Context: 3,391

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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

inferredCopalquin Target 1 · goldTonnes: 1436000Grade: 2.23Grade Unit: g/tContained Metal: 103Contained Unit: kozView all details
Link to this fact

Identity

Project
Copalquin Target 1
Commodity
gold
Ticker
MTH

Resource scope

Estimate type
resource
Effective date
2026-06-29T00:00:00.000Z
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Mr John Sims
Resource group id
resource:de075da99a2072c59b93
Deposit or zone
Target 1

Resource Data

Category
inferred
Tonnes
1436000
Grade
2.23
Grade Unit
g/t
Contained Metal
103
Contained Unit
koz

Prior Estimate

Resource Date
2026-06-29

Metal Equivalent

Metal Eq. Grade
3.28
Metal Eq. Unit
g/t AuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: The Inferred gold resource provides additional potential but requires further drilling to upgrade confidence for economic studies.

Positive factors

  • Adds to overall resource base
  • High-grade for gold

Negative factors

  • Lower confidence category (Inferred)

Evidence · table

“2.23”

Context: 1,436

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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

inferredCopalquin Target 1 · silverTonnes: 1436000Grade: 73.6Grade Unit: g/tContained Metal: 3398Contained Unit: kozView all details
Link to this fact

Identity

Project
Copalquin Target 1
Commodity
silver
Ticker
MTH

Resource scope

Estimate type
resource
Effective date
2026-06-29T00:00:00.000Z
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Mr John Sims
Resource group id
resource:de075da99a2072c59b93
Deposit or zone
Target 1

Resource Data

Category
inferred
Tonnes
1436000
Grade
73.6
Grade Unit
g/t
Contained Metal
3398
Contained Unit
koz

Prior Estimate

Resource Date
2026-06-29

Metal Equivalent

Metal Eq. Grade
3.28
Metal Eq. Unit
g/t AuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: The Inferred silver resource provides additional potential but requires further drilling to upgrade confidence for economic studies.

Positive factors

  • Adds to overall resource base
  • High-grade for silver

Negative factors

  • Lower confidence category (Inferred)

Evidence · table

“73.6”

Context: 1,436

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

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

indicatedCopalquin Target 1 · goldTonnes: 1990000Grade: 5.1Grade Unit: g/tContained Metal: 326Contained Unit: kozView all details
Link to this fact

Identity

Project
Copalquin Target 1
Commodity
gold
Ticker
MTH

Resource scope

Estimate type
resource
Effective date
2026-06-29T00:00:00.000Z
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Mr John Sims
Resource group id
resource:28fd4f6a445b8f08d4d5
Deposit or zone
Target 1
Material type
undiluted

Resource Data

Category
indicated
Tonnes
1990000
Grade
5.1
Grade Unit
g/t
Contained Metal
326
Contained Unit
koz
Cutoff Grade
1.5
Cutoff Unit
g/t AuEq

Prior Estimate

Resource Date
2026-06-29

Metal Equivalent

Metal Eq. Grade
6.85
Metal Eq. Unit
g/t AuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: The undiluted Indicated gold resource shows very high grades, indicating strong intrinsic value before mining dilution.

Positive factors

  • Very high-grade gold content in the undiluted resource
  • High confidence category (Indicated)
  • QP/CP signed and JORC/NI 43-101 compliant

Evidence · table

“5.10”

Context: 1,990

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

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

indicatedCopalquin Target 1 · silverTonnes: 1990000Grade: 122Grade Unit: g/tContained Metal: 7832Contained Unit: kozView all details
Link to this fact

Identity

Project
Copalquin Target 1
Commodity
silver
Ticker
MTH

Resource scope

Estimate type
resource
Effective date
2026-06-29T00:00:00.000Z
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Mr John Sims
Resource group id
resource:28fd4f6a445b8f08d4d5
Deposit or zone
Target 1
Material type
undiluted

Resource Data

Category
indicated
Tonnes
1990000
Grade
122
Grade Unit
g/t
Contained Metal
7832
Contained Unit
koz
Cutoff Grade
1.5
Cutoff Unit
g/t AuEq

Prior Estimate

Resource Date
2026-06-29

Metal Equivalent

Metal Eq. Grade
6.85
Metal Eq. Unit
g/t AuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: The undiluted Indicated silver resource shows very high grades, indicating strong intrinsic value before mining dilution.

Positive factors

  • Very high-grade silver content in the undiluted resource
  • High confidence category (Indicated)
  • QP/CP signed and JORC/NI 43-101 compliant

Evidence · table

“122”

Context: 1,990

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

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

inferredCopalquin Target 1 · goldTonnes: 900000Grade: 3.52Grade Unit: g/tContained Metal: 96Contained Unit: kozView all details
Link to this fact

Identity

Project
Copalquin Target 1
Commodity
gold
Ticker
MTH

Resource scope

Estimate type
resource
Effective date
2026-06-29T00:00:00.000Z
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Mr John Sims
Resource group id
resource:3c8ab29e14bfcae16601
Deposit or zone
Target 1
Material type
undiluted

Resource Data

Category
inferred
Tonnes
900000
Grade
3.52
Grade Unit
g/t
Contained Metal
96
Contained Unit
koz
Cutoff Grade
1.5
Cutoff Unit
g/t AuEq

Prior Estimate

Resource Date
2026-06-29

Metal Equivalent

Metal Eq. Grade
3.28
Metal Eq. Unit
g/t AuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: The undiluted Inferred gold resource shows high grades, providing additional potential that needs further definition.

Positive factors

  • High-grade gold content in the undiluted resource
  • Adds to overall resource base

Negative factors

  • Lower confidence category (Inferred)

Evidence · table

“3.52”

Context: 900

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

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

inferredCopalquin Target 1 · silverTonnes: 900000Grade: 109Grade Unit: g/tContained Metal: 3155Contained Unit: kozView all details
Link to this fact

Identity

Project
Copalquin Target 1
Commodity
silver
Ticker
MTH

Resource scope

Estimate type
resource
Effective date
2026-06-29T00:00:00.000Z
Reporting standards
jorc, ni_43_101
QP Signed
Yes
Qualified person names
Mr John Sims
Resource group id
resource:3c8ab29e14bfcae16601
Deposit or zone
Target 1
Material type
undiluted

Resource Data

Category
inferred
Tonnes
900000
Grade
109
Grade Unit
g/t
Contained Metal
3155
Contained Unit
koz
Cutoff Grade
1.5
Cutoff Unit
g/t AuEq

Prior Estimate

Resource Date
2026-06-29

Metal Equivalent

Metal Eq. Grade
3.28
Metal Eq. Unit
g/t AuEq
Assumptions Disclosed
Yes

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: The undiluted Inferred silver resource shows high grades, providing additional potential that needs further definition.

Positive factors

  • High-grade silver content in the undiluted resource
  • Adds to overall resource base

Negative factors

  • Lower confidence category (Inferred)

Evidence · table

“109”

Context: 900

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

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

Metallurgical Results (2)

Fact 1Copalquin Target 1 · goldRecovery: 96 %View all details
Link to this fact

Identity

Project
Copalquin Target 1
Commodity
gold
Ticker
MTH

Test Work

Program Status
detailed
Processing Route
fully mechanized Long Hole Open Stope
Sample
Target 1 composite samples

Recovery

Recovery
96 %
Recovery Basis
actual_test

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: A 96% gold recovery is excellent and de-risks the project's processing economics, supporting the ongoing PEA.

Positive factors

  • High gold recovery for the processing route
  • Based on actual test work
  • Supports economic studies

Evidence · text

“Metallurgical recoveries are 96% for gold and 91% for silver based on test work on Target 1 composite samples.”

Tags used in scoring

High Recoverypositive

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

Why it applies: 96% is at or above the exceptional band (95%)

Fact 2Copalquin Target 1 · silverRecovery: 91 %View all details
Link to this fact

Identity

Project
Copalquin Target 1
Commodity
silver
Ticker
MTH

Test Work

Program Status
detailed
Processing Route
fully mechanized Long Hole Open Stope
Sample
Target 1 composite samples

Recovery

Recovery
91 %
Recovery Basis
actual_test

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-23T00:00:00.000Z

Reasoning: A 91% silver recovery is strong and contributes positively to the project's processing economics, supporting the ongoing PEA.

Positive factors

  • Strong silver recovery for the processing route
  • Based on actual test work
  • Supports economic studies

Evidence · text

“Metallurgical recoveries are 96% for gold and 91% for silver based on test work on Target 1 composite samples.”

Tags used in scoring

High Recoverypositive

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

Why it applies: 91% is at or above the exceptional band (90%)

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.