RETRANSMISSION: Amex Delivers a Positive Feasibility Study for Development of the Perron Gold Mine
Original announcement by tmx on
- Company
- Amex Exploration Inc.
- Ticker
- AMX
- Exchange
- TSX
- Region
- Abitibi region of Québec
- Primary commodity
- Gold
- Secondary commodities
- None reported
- Document categories
- Resource update, Production, Metallurgy
- Extracted
- 2026-08-22 22:38:38 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Amex Exploration has delivered a highly positive Feasibility Study for the Phase 1 development of its Perron Gold Mine, projecting a post-tax NPV of CAD$1.13 billion and an IRR of 114.6% at a gold price of USD$3,500/oz. The study outlines a high-grade underground operation with Proven and Probable Reserves of 1.99 million tonnes at 12.1 g/t gold, yielding 774,000 ounces, and an industry-leading All-in Sustaining Cost of USD$910/oz. The project benefits from a rapid 0.5-year post-tax payback period and high gold recovery rates of 97.5%, leveraging a toll milling approach to minimize initial capital expenditure.
Reasoning: The Feasibility Study for the Perron Gold Mine presents exceptionally strong economics with a high IRR, rapid payback, and very low AISC, underpinned by high-grade gold reserves and excellent metallurgical recoveries. This de-risks the project and provides a clear, capital-efficient path to production.
Positive factors
- Exceptional post-tax IRR of 114.6% and NPV of CAD$1.13 billion, indicating strong economic viability.
- Very low All-in Sustaining Costs (AISC) of USD$910/oz, positioning the project in the bottom quartile of the global gold cost curve.
- High-grade Proven and Probable Reserves averaging 12.1 g/t Au, supporting a robust underground mining operation.
- Rapid post-tax payback period of 0.5 years, demonstrating quick capital recovery.
- High gold processing recovery rate of 97.50% with no significant metallurgical issues identified.
- Feasibility Study (FS) provides a high level of confidence for project development and de-risks the project significantly.
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 16
Classification and evidence
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 (QPs) are listed and have reviewed and approved the scientific and technical content of the press release.
Evidence · text
“The Qualified Persons (within the meaning of National Instrument 43-101) responsible for the technical information in this Press Release are Stephen Coates, P.Eng. of Evomine, Alexandre Burelle, P.Eng. of Evomine, Pierre Roy, P.Eng. of Soutex, Antoine Yassa P.Geo. of P&E, Denys Vermette, P.Geo. of Norda Stelo, Jérôme Augustin, Ph.D., P.Geo. of Laurentia Exploration, and Michael Verreault, P.Eng., of Hydro Ressources (each, a "QP"). Each of the QPs is independent of Amex Exploration. The scientific and technical content of this press release has been reviewed and approved by the Qualified Persons.”
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: The Mineral Resource Estimate and Mineral Reserves are explicitly stated to be compliant with NI 43-101 and CIM Definition Standards.
Evidence · text
“Mineral Reserves have been estimated in accordance with CIM Definition Standards for Mineral Resources and Mineral Reserves (2014), which are incorporated by reference in NI 43-101”
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: The document is a Feasibility Study, which is the highest level of study for project development.
Evidence · text
“Amex Delivers a Positive Feasibility Study for Development of the Perron Gold Mine”
Proven Reservepositive
Measured Resource with demonstrated economic viability after applying modifying factors.
Why it applies: The study reports 346 kilotonnes of Proven Mineral Reserves.
Evidence · table
“Proven”
Context: Total
Probable Reservepositive
Indicated Resource with demonstrated economic viability after applying modifying factors.
Why it applies: The study reports 1,643 kilotonnes of Probable Mineral Reserves.
Evidence · table
“Probable”
Context: Total
Measured Resourcepositive
Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.
Why it applies: The study reports 382 kilotonnes of total Measured Mineral Resources.
Evidence · table
“Meas”
Context: Total
Indicated Resourcepositive
Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.
Why it applies: The study reports 7,801 kilotonnes of total Indicated Mineral Resources.
Evidence · table
“Ind”
Context: Total
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: The assumed gold processing recovery rate is 97.50%, which is exceptional for gold processing.
Evidence · table
“97.50”
Context: Processing Recovery Rate
Free Millingpositive
Simple, clean ore amenable to standard processing without oxidation.
Why it applies: Soutex, the metallurgical consultant, considers the mineralized material well suited for standard processing with no significant metallurgical issues.
Evidence · text
“Soutex considers the Perron mineralized material to be well suited for processing in standard Abitibi gold plants, with no significant metallurgical issues identified and recovery levels consistent with comparable deposits in the region.”
Underground Miningneutral · Story-specific tag
No canonical definition is currently available.
Why it applies: Phase 1 of the Life of Mine will utilise underground mining.
Evidence · text
“Phase 1 of the Life of Mine ("LOM") will utilise underground mining and toll-milling of the high-grade Champagne Zone.”
Toll Millingneutral · Story-specific tag
No canonical definition is currently available.
Why it applies: The Phase 1 strategy involves a toll milling approach to reduce risks and accelerate production.
Evidence · text
“Executing a toll milling approach reduces risks and accelerates production schedule targeting revenue in 2028”
Low AISCpositive · Story-specific tag
No canonical definition is currently available.
Why it applies: The All-in Sustaining Cost (AISC) is projected at USD$910/oz Au, which is very low and positions the project in the bottom quartile of the global gold cost curve.
Evidence · text
“All in Sustaining Cost ("AISC") of USD$910/oz Au”
High IRRpositive · Story-specific tag
No canonical definition is currently available.
Why it applies: The projected Post-Tax IRR is 114.6%, indicating very strong project economics.
Evidence · table
“114.6”
Context: Post-Tax IRR
Rapid Paybackpositive · Story-specific tag
No canonical definition is currently available.
Why it applies: The post-tax payback period is projected at 0.5 years, indicating very fast capital recovery.
Evidence · table
“0.5”
Context: Post-Tax Payback Period
Low Initial CAPEXpositive · Story-specific tag
No canonical definition is currently available.
Why it applies: The initial capital cost estimate is CAD$193.9 million, which is relatively low for a gold mine development.
Evidence · table
“193.9”
Context: Initial Capital Expenditure
Extracted facts
Stored fact records: 16. Some facts used in scoring do not have a stored record.
Resource Estimates (16)
provenPerron Gold Mine · goldTonnes: 346000Grade: 12.12Grade Unit: g/tContained Metal: 135000Contained Unit: ozView all detailsHide details
Identity
- Project
- Perron Gold Mine
- Commodity
- gold
- Ticker
- AMX
Resource Data
- Category
- proven
- Tonnes
- 346000
- Grade
- 12.12
- Grade Unit
- g/t
- Contained Metal
- 135000
- Contained Unit
- oz
- Cutoff Grade
- 2.7
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-13T00:00:00.000Z
Reasoning: High-grade Proven Reserve of 12.12 g/t Au is exceptional for underground mining, contributing significantly to the project's economic viability.
Positive factors
- High-grade proven reserve for underground mining.
- Part of a robust Feasibility Study.
Evidence · table
“12.12”
Context: 346
probablePerron Gold Mine · goldTonnes: 1643000Grade: 12.1Grade Unit: g/tContained Metal: 639000Contained Unit: ozView all detailsHide details
Identity
- Project
- Perron Gold Mine
- Commodity
- gold
- Ticker
- AMX
Resource Data
- Category
- probable
- Tonnes
- 1643000
- Grade
- 12.1
- Grade Unit
- g/t
- Contained Metal
- 639000
- Contained Unit
- oz
- Cutoff Grade
- 2.7
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-13T00:00:00.000Z
Reasoning: High-grade Probable Reserve of 12.10 g/t Au is exceptional for underground mining, forming the bulk of the project's economic foundation.
Positive factors
- High-grade probable reserve for underground mining.
- Significant contribution to total reserves.
Evidence · table
“12.10”
Context: 1,643
totalPerron Gold Mine · goldTonnes: 1989000Grade: 12.1Grade Unit: g/tContained Metal: 774000Contained Unit: ozView all detailsHide details
Identity
- Project
- Perron Gold Mine
- Commodity
- gold
- Ticker
- AMX
Resource Data
- Category
- total
- Tonnes
- 1989000
- Grade
- 12.1
- Grade Unit
- g/t
- Contained Metal
- 774000
- Contained Unit
- oz
- Cutoff Grade
- 2.7
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-13T00:00:00.000Z
Reasoning: Total Proven and Probable Reserve of 1.99 Mt at 12.10 g/t Au for 774 koz is a strong foundation for the project's economics, with exceptional grade for underground mining.
Positive factors
- High-grade total reserve for underground mining.
- Forms the basis of the Feasibility Study.
Evidence · table
“12.10”
Context: 1,989
measuredPerron Gold Mine · goldTonnes: 48000Grade: 1.1Grade Unit: g/tContained Metal: 2000Contained Unit: ozView all detailsHide details
Identity
- Project
- Perron Gold Mine
- Commodity
- gold
- Ticker
- AMX
Resource Data
- Category
- measured
- Tonnes
- 48000
- Grade
- 1.1
- Grade Unit
- g/t
- Contained Metal
- 2000
- Contained Unit
- oz
- Cutoff Grade
- 0.4
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-13T00:00:00.000Z
Reasoning: Measured Open Pit resource at 1.1 g/t Au is a moderate grade for open pit, contributing to the overall resource base.
Positive factors
- High confidence Measured category.
Evidence · table
“1.1”
Context: 48
measuredPerron Gold Mine · goldTonnes: 333000Grade: 14.2Grade Unit: g/tContained Metal: 152000Contained Unit: ozView all detailsHide details
Identity
- Project
- Perron Gold Mine
- Commodity
- gold
- Ticker
- AMX
Resource Data
- Category
- measured
- Tonnes
- 333000
- Grade
- 14.2
- Grade Unit
- g/t
- Contained Metal
- 152000
- Contained Unit
- oz
- Cutoff Grade
- 1.4
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-13T00:00:00.000Z
Reasoning: Measured Underground resource at 14.2 g/t Au is an exceptional grade for underground mining, providing high-quality material.
Positive factors
- Exceptional grade for underground mining.
- High confidence Measured category.
Evidence · table
“14.2”
Context: 333
measuredPerron Gold Mine · goldTonnes: 382000Grade: 12.54Grade Unit: g/tContained Metal: 154000Contained Unit: ozView all detailsHide details
Identity
- Project
- Perron Gold Mine
- Commodity
- gold
- Ticker
- AMX
Resource Data
- Category
- measured
- Tonnes
- 382000
- Grade
- 12.54
- Grade Unit
- g/t
- Contained Metal
- 154000
- Contained Unit
- oz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-13T00:00:00.000Z
Reasoning: Total Measured resource at 12.54 g/t Au for 154 koz is a strong, high-confidence component of the resource base.
Positive factors
- High confidence Measured category.
- Strong overall grade.
Evidence · table
“12.54”
Context: 382
indicatedPerron Gold Mine · goldTonnes: 2520000Grade: 3.16Grade Unit: g/tContained Metal: 256000Contained Unit: ozView all detailsHide details
Identity
- Project
- Perron Gold Mine
- Commodity
- gold
- Ticker
- AMX
Resource Data
- Category
- indicated
- Tonnes
- 2520000
- Grade
- 3.16
- Grade Unit
- g/t
- Contained Metal
- 256000
- Contained Unit
- oz
- Cutoff Grade
- 0.4
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-13T00:00:00.000Z
Reasoning: Indicated Open Pit resource at 3.16 g/t Au is an exceptional grade for open pit mining, adding significant value.
Positive factors
- Exceptional grade for open pit mining.
- Good confidence Indicated category.
Evidence · table
“3.16”
Context: 2,520
indicatedPerron Gold Mine · goldTonnes: 5281000Grade: 7.1Grade Unit: g/tContained Metal: 1205000Contained Unit: ozView all detailsHide details
Identity
- Project
- Perron Gold Mine
- Commodity
- gold
- Ticker
- AMX
Resource Data
- Category
- indicated
- Tonnes
- 5281000
- Grade
- 7.1
- Grade Unit
- g/t
- Contained Metal
- 1205000
- Contained Unit
- oz
- Cutoff Grade
- 1.4
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-13T00:00:00.000Z
Reasoning: Indicated Underground resource at 7.1 g/t Au is a strong grade for underground mining, representing a substantial portion of the resource.
Positive factors
- Strong grade for underground mining.
- Good confidence Indicated category.
Evidence · table
“7.1”
Context: 5,281
indicatedPerron Gold Mine · goldTonnes: 7801000Grade: 5.83Grade Unit: g/tContained Metal: 1461000Contained Unit: ozView all detailsHide details
Identity
- Project
- Perron Gold Mine
- Commodity
- gold
- Ticker
- AMX
Resource Data
- Category
- indicated
- Tonnes
- 7801000
- Grade
- 5.83
- Grade Unit
- g/t
- Contained Metal
- 1461000
- Contained Unit
- oz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-13T00:00:00.000Z
Reasoning: Total Indicated resource at 5.83 g/t Au for 1.46 Moz is a strong, high-confidence component of the resource base, with a good grade.
Positive factors
- Good confidence Indicated category.
- Strong overall grade and contained metal.
Evidence · table
“5.83”
Context: 7,801
indicatedPerron Gold Mine · goldTonnes: 8183000Grade: 6.14Grade Unit: g/tContained Metal: 1615000Contained Unit: ozView all detailsHide details
Identity
- Project
- Perron Gold Mine
- Commodity
- gold
- Ticker
- AMX
Resource Data
- Category
- indicated
- Tonnes
- 8183000
- Grade
- 6.14
- Grade Unit
- g/t
- Contained Metal
- 1615000
- Contained Unit
- oz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-13T00:00:00.000Z
Reasoning: Total Measured and Indicated resource at 6.14 g/t Au for 1.62 Moz represents a strong, high-confidence resource base for the project.
Positive factors
- Strong M&I resource with good grade and contained metal.
- High confidence for future economic studies.
Evidence · table
“6.14”
Context: 8,183
inferredPerron Gold Mine · goldTonnes: 1044000Grade: 2.02Grade Unit: g/tContained Metal: 68000Contained Unit: ozView all detailsHide details
Identity
- Project
- Perron Gold Mine
- Commodity
- gold
- Ticker
- AMX
Resource Data
- Category
- inferred
- Tonnes
- 1044000
- Grade
- 2.02
- Grade Unit
- g/t
- Contained Metal
- 68000
- Contained Unit
- oz
- Cutoff Grade
- 0.4
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-13T00:00:00.000Z
Reasoning: Inferred Open Pit resource at 2.02 g/t Au is a moderate grade for open pit, but in the lower confidence category.
Negative factors
- Lower confidence Inferred category.
Evidence · table
“2.02”
Context: 1,044
inferredPerron Gold Mine · goldTonnes: 4000000Grade: 4.9Grade Unit: g/tContained Metal: 631000Contained Unit: ozView all detailsHide details
Identity
- Project
- Perron Gold Mine
- Commodity
- gold
- Ticker
- AMX
Resource Data
- Category
- inferred
- Tonnes
- 4000000
- Grade
- 4.9
- Grade Unit
- g/t
- Contained Metal
- 631000
- Contained Unit
- oz
- Cutoff Grade
- 1.4
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-13T00:00:00.000Z
Reasoning: Inferred Underground resource at 4.9 g/t Au is a moderate grade for underground, but in the lower confidence category.
Positive factors
- Moderate grade for underground mining.
Negative factors
- Lower confidence Inferred category.
Evidence · table
“4.9”
Context: 4,000
inferredPerron Gold Mine · goldTonnes: 5044000Grade: 4.31Grade Unit: g/tContained Metal: 698000Contained Unit: ozView all detailsHide details
Identity
- Project
- Perron Gold Mine
- Commodity
- gold
- Ticker
- AMX
Resource Data
- Category
- inferred
- Tonnes
- 5044000
- Grade
- 4.31
- Grade Unit
- g/t
- Contained Metal
- 698000
- Contained Unit
- oz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-13T00:00:00.000Z
Reasoning: Total Inferred resource at 4.31 g/t Au for 698 koz represents a significant portion of the resource but is in the lowest confidence category.
Negative factors
- Lower confidence Inferred category.
Evidence · table
“4.31”
Context: 5,044
Fact 14Perron Gold Mine · goldView all detailsHide details
Identity
- Project
- Perron Gold Mine
- Commodity
- gold
- Ticker
- AMX
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-13T00:00:00.000Z
Reasoning: The Feasibility Study demonstrates extremely strong economic metrics, including high IRR, low AISC, and rapid payback, making the project highly attractive.
Positive factors
- Exceptional post-tax IRR of 114.6% and NPV of CAD$1.13 billion.
- Very low All-in Sustaining Costs (AISC) of USD$910/oz.
- Rapid post-tax payback period of 0.5 years.
- High average mill feed grade of 12.0 g/t Au.
- High processing recovery rate of 97.5%.
Evidence · text
“Projected Post-Tax IRR of 114.6% and Post-Tax NPV5 of CAD$1.13 billion generated from a Cumulative Undiscounted Post-Tax Cash Flow of CAD$1.44 billion at an assumed gold price USD$3,500/oz”
Fact 15Perron Gold Mine · goldView all detailsHide details
Identity
- Project
- Perron Gold Mine
- Commodity
- gold
- Ticker
- AMX
Lab
- Laboratory
- ALS Global
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-13T00:00:00.000Z
Reasoning: The high gold recovery of 97.5% and suitability for conventional processing indicate excellent metallurgical characteristics, de-risking the project's processing phase.
Positive factors
- Exceptional gold recovery rate of 97.5%.
- No significant metallurgical issues identified.
- Material is well suited for conventional processing.
- QA/QC procedures for grade control are robust.
Evidence · text
“Overall gold recovery has been assumed at 97.0% for the FS, including a 0.50% loss attributable to transport and manipulation at the toll mill.”
Fact 16Perron Gold Mine · goldView all detailsHide details
Identity
- Project
- Perron Gold Mine
- Commodity
- gold
- Ticker
- AMX
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-04-13T00:00:00.000Z
Reasoning: A minor grade loss of 0.5% is attributable to material handling during transport and processing, which is a standard consideration in such studies.
Evidence · table
“0.50”
Context: Grade Loss Attributable to Material Handling
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.