First Majestic Files NI 43-101 Technical Report for the Los Gatos Silver Mine
Original announcement by orestocks on
- Company
- First Majestic Silver Corp.
- Ticker
- AG.TO
- Exchange
- Unavailable
- Region
- Mexico
- Primary commodity
- Silver
- Secondary commodities
- Gold, Copper, Lead, Zinc
- Document categories
- Resource update
- Extracted
- 2026-08-25 20:49:08 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
First Majestic Silver Corp. has filed an NI 43-101 Technical Report for the Los Gatos Silver Mine. The report supports mineral resource and reserve estimates effective December 31, 2025, and contains no material changes to previously disclosed figures.
Reasoning: The document is a filing of a technical report that does not disclose any material changes to previously disclosed resource and reserve estimates.
Positive factors
- NI 43-101 Compliant
- QP/CP Signed
Negative factors
- Stale Data Re-release
Facts used in scoring: 10
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
“The Technical Report was 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 (P.Geo, P.Eng) are named as responsible for the resource and reserve estimates.
Evidence · text
“all of whom are employed by First Majestic and are Qualified Persons”
Stale Data Re-releasenegative · Story-specific tag
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: The report explicitly states it does not disclose material changes to estimates previously disclosed in March 2026.
Evidence · text
“does not disclose any material change to the Mineral Resource and Mineral Reserve estimates previously disclosed in the Company's news release dated March 31, 2026”
Extracted facts
Stored fact records: 10. Some facts used in scoring do not have a stored record.
Resource Estimates (10)
indicatedsilverTonnes: 11300000Grade: 145Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- AG.TO
Resource Data
- Category
- indicated
- Tonnes
- 11300000
- Grade
- 145
- Grade Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-03-31T00:00:00.000Z
Dates
- Event date
- 2026-08-25T00:00:00.000Z
Reasoning: Indicated silver resource restating previously disclosed data from March 2026.
Positive factors
- NI 43-101 Compliant
Negative factors
- Stale Data Re-release
Evidence · table
“145.0”
Context: 11.3
indicatedgoldTonnes: 11300000Grade: 0Grade Unit: mozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- AG.TO
Resource Data
- Category
- indicated
- Tonnes
- 11300000
- Grade
- 0
- Grade Unit
- moz
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-03-31T00:00:00.000Z
Dates
- Event date
- 2026-08-25T00:00:00.000Z
Reasoning: Indicated gold resource restating previously disclosed data from March 2026.
Positive factors
- NI 43-101 Compliant
Negative factors
- Stale Data Re-release
Evidence · table
“0.0”
Context: 11.3
measuredsilverTonnes: 14000000Grade: 160Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- AG.TO
Resource Data
- Category
- measured
- Tonnes
- 14000000
- Grade
- 160
- Grade Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-03-31T00:00:00.000Z
Dates
- Event date
- 2026-08-25T00:00:00.000Z
Reasoning: Measured silver resource restating previously disclosed data from March 2026.
Positive factors
- NI 43-101 Compliant
Negative factors
- Stale Data Re-release
Evidence · table
“160.0”
Context: 14.0
measuredgoldTonnes: 14000000Grade: 0.1Grade Unit: mozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- AG.TO
Resource Data
- Category
- measured
- Tonnes
- 14000000
- Grade
- 0.1
- Grade Unit
- moz
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-03-31T00:00:00.000Z
Dates
- Event date
- 2026-08-25T00:00:00.000Z
Reasoning: Measured gold resource restating previously disclosed data from March 2026.
Positive factors
- NI 43-101 Compliant
Negative factors
- Stale Data Re-release
Evidence · table
“0.1”
Context: 14.0
inferredsilverTonnes: 15000000Grade: 110Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- AG.TO
Resource Data
- Category
- inferred
- Tonnes
- 15000000
- Grade
- 110
- Grade Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-03-31T00:00:00.000Z
Dates
- Event date
- 2026-08-25T00:00:00.000Z
Reasoning: Inferred silver resource restating previously disclosed data from March 2026.
Positive factors
- NI 43-101 Compliant
Negative factors
- Stale Data Re-release
Evidence · table
“110.0”
Context: 15.0
inferredgoldTonnes: 15000000Grade: 0Grade Unit: mozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- AG.TO
Resource Data
- Category
- inferred
- Tonnes
- 15000000
- Grade
- 0
- Grade Unit
- moz
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-03-31T00:00:00.000Z
Dates
- Event date
- 2026-08-25T00:00:00.000Z
Reasoning: Inferred gold resource restating previously disclosed data from March 2026.
Positive factors
- NI 43-101 Compliant
Negative factors
- Stale Data Re-release
Evidence · table
“0.0”
Context: 15.0
provensilverTonnes: 5000000Grade: 200Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- AG.TO
Resource Data
- Category
- proven
- Tonnes
- 5000000
- Grade
- 200
- Grade Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-03-31T00:00:00.000Z
Dates
- Event date
- 2026-08-25T00:00:00.000Z
Reasoning: Proven silver reserve restating previously disclosed data from March 2026.
Positive factors
- NI 43-101 Compliant
Negative factors
- Stale Data Re-release
Evidence · table
“200.0”
Context: 5.0
provengoldTonnes: 5000000Grade: 0Grade Unit: mozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- AG.TO
Resource Data
- Category
- proven
- Tonnes
- 5000000
- Grade
- 0
- Grade Unit
- moz
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-03-31T00:00:00.000Z
Dates
- Event date
- 2026-08-25T00:00:00.000Z
Reasoning: Proven gold reserve restating previously disclosed data from March 2026.
Positive factors
- NI 43-101 Compliant
Negative factors
- Stale Data Re-release
Evidence · table
“0.0”
Context: 5.0
probablesilverTonnes: 10000000Grade: 150Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Commodity
- silver
- Ticker
- AG.TO
Resource Data
- Category
- probable
- Tonnes
- 10000000
- Grade
- 150
- Grade Unit
- g/t
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-03-31T00:00:00.000Z
Dates
- Event date
- 2026-08-25T00:00:00.000Z
Reasoning: Probable silver reserve restating previously disclosed data from March 2026.
Positive factors
- NI 43-101 Compliant
Negative factors
- Stale Data Re-release
Evidence · table
“150.0”
Context: 10.0
probablegoldTonnes: 10000000Grade: 0.1Grade Unit: mozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- AG.TO
Resource Data
- Category
- probable
- Tonnes
- 10000000
- Grade
- 0.1
- Grade Unit
- moz
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2026-03-31T00:00:00.000Z
Dates
- Event date
- 2026-08-25T00:00:00.000Z
Reasoning: Probable gold reserve restating previously disclosed data from March 2026.
Positive factors
- NI 43-101 Compliant
Negative factors
- Stale Data Re-release
Evidence · table
“0.1”
Context: 10.0
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.