Grande Portage Resources Announces Results of Preliminary Economic Assessment (PEA) Study for the New Amalga Gold Project in SE Alaska
Original announcement by tmx on
- Company
- Grande Portage Resources Ltd.
- Ticker
- GPG
- Exchange
- TSX
- Region
- Southeast Alaska, USA
- Primary commodity
- Gold
- Secondary commodities
- Silver
- Document categories
- Resource update, Other
- Extracted
- 2026-09-16 02:59:30 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Grande Portage Resources announced positive results from a Preliminary Economic Assessment (PEA) for its New Amalga Gold Project in Southeast Alaska, showing a pre-tax NPV5 of US$979 million and an IRR of 69% at a US$3,200/oz gold price. The PEA outlines a low-initial-capital, underground mining operation with offsite processing, utilizing a previously disclosed NI 43-101 compliant resource estimate from July 2024.
Reasoning: The Preliminary Economic Assessment for the New Amalga Gold Project demonstrates robust economics with a high IRR and NPV, driven by a low-initial-capital, offsite processing strategy, though it is preliminary and relies on a previously disclosed resource with inferred components.
Positive factors
- robust NPV and IRR
- low-initial-capital scenario
- rapid payback
- offsite processing strategy
- strong economics at current gold prices
- NI 43-101 compliant resource
Negative factors
- preliminary in nature
- includes inferred Mineral Resources
- no Mineral Reserve at this time
- resource estimate is historical for this PEA
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 12
Classification and evidence
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: The Preliminary Economic Assessment and the underlying resource estimate are stated to be National Instrument 43-101 compliant.
Evidence · text
“A National Instrument 43-101 - Standards of Disclosure for Mineral Projects ("NI 43-101") compliant technical report”
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 are named and responsible for various sections of the NI 43-101 compliant PEA report, including the resource estimate.
Evidence · text
“The Report ... will be prepared by the following Qualified Persons (as defined under NI 43-101), all of whom are independent of the Company”
Preliminary Studynegative · Story-specific tag
No canonical definition is currently available.
Why it applies: The document explicitly states that the PEA Report is preliminary in nature and includes inferred Mineral Resources.
Evidence · text
“The PEA Report is preliminary in nature; it includes inferred Mineral Resources that are considered too speculative geologically to have the economic considerations applied to them that would enable them to be categorized as Mineral Reserves”
Positive Economicspositive · Story-specific tag
No canonical definition is currently available.
Why it applies: The PEA reports a robust pre-tax NPV5 of US$979 million and an IRR of 69% at the base case gold price.
Evidence · table
“$979”
Context: Pre-Tax NPV 5
Low Initial Capitalpositive · Story-specific tag
No canonical definition is currently available.
Why it applies: The PEA highlights a low-initial-capital scenario with pre-production CAPEX of US$254.8 million.
Evidence · text
“Pre-Production Capital Cost (CAPEX) of US$254.8M”
Rapid Paybackpositive · Story-specific tag
No canonical definition is currently available.
Why it applies: The PEA indicates a rapid after-tax payback period of 1.3 years at the base case gold price.
Evidence · table
“1.3”
Context: Initial Capital Payback Period (after-tax)
Offsite Processingpositive · Story-specific tag
No canonical definition is currently available.
Why it applies: The project strategy involves offsite processing at third-party facilities, eliminating the need for onsite processing or tailings storage.
Evidence · text
“selective underground mine transporting material offsite for processing at third-party facilities.”
No Onsite Tailingspositive · Story-specific tag
No canonical definition is currently available.
Why it applies: The offsite processing strategy eliminates the need for a tailings disposal facility at the site.
Evidence · text
“Eliminates the need to develop a tailings disposal facility at the site, as no tailings would be generated.”
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: The resource estimate is explicitly stated as being utilized for the Preliminary Economic Assessment.
Evidence · text
“The PEA utilizes the previously-released Mineral Resource Estimate”
Inferred Resourcenegative
Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.
Why it applies: The resource estimate includes a significant portion of Inferred Mineral Resources, which are considered too speculative geologically for economic considerations.
Evidence · text
“it includes inferred Mineral Resources that are considered too speculative geologically to have the economic considerations applied to them that would enable them to be categorized as Mineral Reserves”
Extracted facts
Stored fact records: 12. Some facts used in scoring do not have a stored record.
Resource Estimates (12)
indicatedNew Amalga Gold Project · goldTonnes: 3931000Grade: 10.83Grade Unit: g/tContained Metal: 1368400Contained Unit: ozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- New Amalga Gold Project
- Commodity
- gold
- Region
- usa_ak
- Reported Region
- Southeast Alaska, USA
- Ticker
- GPG
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Dr. Dave Webb
- Resource group id
- resource:e9e0c54edc1e5f047f5a
Resource Data
- Category
- indicated
- Tonnes
- 3931000
- Grade
- 10.83
- Grade Unit
- g/t
- Contained Metal
- 1368400
- Contained Unit
- oz
- Cutoff Grade
- 3
- Cutoff Unit
- g/t
Prior Estimate
- Resource Date
- 2024-07-17
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2024-07-17T00:00:00.000Z
Dates
- Event date
- 2026-04-15T00:00:00.000Z
Reasoning: This indicated gold resource, while historical for this PEA, shows high grades and is NI 43-101 compliant with QP sign-off, providing a solid basis for the economic assessment.
Positive factors
- high gold grades
- NI 43-101 compliant
- QP signed
Negative factors
- previously disclosed
- resource estimate is historical for this PEA
Evidence · table
“10.83”
Context: 3,931,000
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
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
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
indicatedNew Amalga Gold Project · silverTonnes: 3931000Grade: 6.6Grade Unit: g/tContained Metal: 834600Contained Unit: ozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- New Amalga Gold Project
- Commodity
- silver
- Region
- usa_ak
- Reported Region
- Southeast Alaska, USA
- Ticker
- GPG
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Dr. Dave Webb
- Resource group id
- resource:e9e0c54edc1e5f047f5a
Resource Data
- Category
- indicated
- Tonnes
- 3931000
- Grade
- 6.6
- Grade Unit
- g/t
- Contained Metal
- 834600
- Contained Unit
- oz
- Cutoff Grade
- 3
- Cutoff Unit
- g/t
Prior Estimate
- Resource Date
- 2024-07-17
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2024-07-17T00:00:00.000Z
Dates
- Event date
- 2026-04-15T00:00:00.000Z
Reasoning: This indicated silver resource, while historical for this PEA, is NI 43-101 compliant with QP sign-off, contributing to the overall project economics.
Positive factors
- NI 43-101 compliant
- QP signed
Negative factors
- previously disclosed
- resource estimate is historical for this PEA
Evidence · table
“6.60”
Context: 3,931,000
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
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
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
indicatedNew Amalga Gold Project · goldTonnes: 4726000Grade: 9.47Grade Unit: g/tContained Metal: 1438500Contained Unit: ozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- New Amalga Gold Project
- Commodity
- gold
- Region
- usa_ak
- Reported Region
- Southeast Alaska, USA
- Ticker
- GPG
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Dr. Dave Webb
- Resource group id
- resource:6afdd9f53e9f3ff4f288
Resource Data
- Category
- indicated
- Tonnes
- 4726000
- Grade
- 9.47
- Grade Unit
- g/t
- Contained Metal
- 1438500
- Contained Unit
- oz
- Cutoff Grade
- 2.5
- Cutoff Unit
- g/t
Prior Estimate
- Resource Date
- 2024-07-17
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2024-07-17T00:00:00.000Z
Dates
- Event date
- 2026-04-15T00:00:00.000Z
Reasoning: This indicated gold resource, while historical for this PEA, shows high grades and is NI 43-101 compliant with QP sign-off, providing a solid basis for the economic assessment.
Positive factors
- high gold grades
- NI 43-101 compliant
- QP signed
Negative factors
- previously disclosed
- resource estimate is historical for this PEA
Evidence · table
“9.47”
Context: 4,726,000
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
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
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
indicatedNew Amalga Gold Project · silverTonnes: 4726000Grade: 5.86Grade Unit: g/tContained Metal: 891000Contained Unit: ozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- New Amalga Gold Project
- Commodity
- silver
- Region
- usa_ak
- Reported Region
- Southeast Alaska, USA
- Ticker
- GPG
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Dr. Dave Webb
- Resource group id
- resource:6afdd9f53e9f3ff4f288
Resource Data
- Category
- indicated
- Tonnes
- 4726000
- Grade
- 5.86
- Grade Unit
- g/t
- Contained Metal
- 891000
- Contained Unit
- oz
- Cutoff Grade
- 2.5
- Cutoff Unit
- g/t
Prior Estimate
- Resource Date
- 2024-07-17
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2024-07-17T00:00:00.000Z
Dates
- Event date
- 2026-04-15T00:00:00.000Z
Reasoning: This indicated silver resource, while historical for this PEA, is NI 43-101 compliant with QP sign-off, contributing to the overall project economics.
Positive factors
- NI 43-101 compliant
- QP signed
Negative factors
- previously disclosed
- resource estimate is historical for this PEA
Evidence · table
“5.86”
Context: 4,726,000
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
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
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
indicatedNew Amalga Gold Project · goldTonnes: 5654000Grade: 8.28Grade Unit: g/tContained Metal: 1505500Contained Unit: ozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- New Amalga Gold Project
- Commodity
- gold
- Region
- usa_ak
- Reported Region
- Southeast Alaska, USA
- Ticker
- GPG
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Dr. Dave Webb
- Resource group id
- resource:7f925de8830618744480
Resource Data
- Category
- indicated
- Tonnes
- 5654000
- Grade
- 8.28
- Grade Unit
- g/t
- Contained Metal
- 1505500
- Contained Unit
- oz
- Cutoff Grade
- 2
- Cutoff Unit
- g/t
Prior Estimate
- Resource Date
- 2024-07-17
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2024-07-17T00:00:00.000Z
Dates
- Event date
- 2026-04-15T00:00:00.000Z
Reasoning: This indicated gold resource, while historical for this PEA, shows high grades and is NI 43-101 compliant with QP sign-off, providing a solid basis for the economic assessment.
Positive factors
- high gold grades
- NI 43-101 compliant
- QP signed
Negative factors
- previously disclosed
- resource estimate is historical for this PEA
Evidence · table
“8.28”
Context: 5,654,000
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
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
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
indicatedNew Amalga Gold Project · silverTonnes: 5654000Grade: 5.21Grade Unit: g/tContained Metal: 946900Contained Unit: ozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- New Amalga Gold Project
- Commodity
- silver
- Region
- usa_ak
- Reported Region
- Southeast Alaska, USA
- Ticker
- GPG
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Dr. Dave Webb
- Resource group id
- resource:7f925de8830618744480
Resource Data
- Category
- indicated
- Tonnes
- 5654000
- Grade
- 5.21
- Grade Unit
- g/t
- Contained Metal
- 946900
- Contained Unit
- oz
- Cutoff Grade
- 2
- Cutoff Unit
- g/t
Prior Estimate
- Resource Date
- 2024-07-17
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2024-07-17T00:00:00.000Z
Dates
- Event date
- 2026-04-15T00:00:00.000Z
Reasoning: This indicated silver resource, while historical for this PEA, is NI 43-101 compliant with QP sign-off, contributing to the overall project economics.
Positive factors
- NI 43-101 compliant
- QP signed
Negative factors
- previously disclosed
- resource estimate is historical for this PEA
Evidence · table
“5.21”
Context: 5,654,000
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
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
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
inferredNew Amalga Gold Project · goldTonnes: 1562000Grade: 9.82Grade Unit: g/tContained Metal: 493300Contained Unit: ozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- New Amalga Gold Project
- Commodity
- gold
- Region
- usa_ak
- Reported Region
- Southeast Alaska, USA
- Ticker
- GPG
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Dr. Dave Webb
- Resource group id
- resource:c0f6e3df0a6827713446
Resource Data
- Category
- inferred
- Tonnes
- 1562000
- Grade
- 9.82
- Grade Unit
- g/t
- Contained Metal
- 493300
- Contained Unit
- oz
- Cutoff Grade
- 3
- Cutoff Unit
- g/t
Prior Estimate
- Resource Date
- 2024-07-17
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2024-07-17T00:00:00.000Z
Dates
- Event date
- 2026-04-15T00:00:00.000Z
Reasoning: This inferred gold resource, while historical for this PEA, shows high grades and is NI 43-101 compliant with QP sign-off, but carries a lower confidence due to its inferred classification.
Positive factors
- high gold grades
- NI 43-101 compliant
- QP signed
Negative factors
- previously disclosed
- significant inferred component
- resource estimate is historical for this PEA
Evidence · table
“9.82”
Context: 1,562,000
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
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
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
inferredNew Amalga Gold Project · silverTonnes: 1562000Grade: 7.34Grade Unit: g/tContained Metal: 368400Contained Unit: ozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- New Amalga Gold Project
- Commodity
- silver
- Region
- usa_ak
- Reported Region
- Southeast Alaska, USA
- Ticker
- GPG
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Dr. Dave Webb
- Resource group id
- resource:c0f6e3df0a6827713446
Resource Data
- Category
- inferred
- Tonnes
- 1562000
- Grade
- 7.34
- Grade Unit
- g/t
- Contained Metal
- 368400
- Contained Unit
- oz
- Cutoff Grade
- 3
- Cutoff Unit
- g/t
Prior Estimate
- Resource Date
- 2024-07-17
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2024-07-17T00:00:00.000Z
Dates
- Event date
- 2026-04-15T00:00:00.000Z
Reasoning: This inferred silver resource, while historical for this PEA, is NI 43-101 compliant with QP sign-off, but carries a lower confidence due to its inferred classification.
Positive factors
- NI 43-101 compliant
- QP signed
Negative factors
- previously disclosed
- significant inferred component
- resource estimate is historical for this PEA
Evidence · table
“7.34”
Context: 1,562,000
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
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
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
inferredNew Amalga Gold Project · goldTonnes: 1813000Grade: 8.58Grade Unit: g/tContained Metal: 515700Contained Unit: ozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- New Amalga Gold Project
- Commodity
- gold
- Region
- usa_ak
- Reported Region
- Southeast Alaska, USA
- Ticker
- GPG
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Dr. Dave Webb
- Resource group id
- resource:01bb86a15ce92679d830
Resource Data
- Category
- inferred
- Tonnes
- 1813000
- Grade
- 8.58
- Grade Unit
- g/t
- Contained Metal
- 515700
- Contained Unit
- oz
- Cutoff Grade
- 2.5
- Cutoff Unit
- g/t
Prior Estimate
- Resource Date
- 2024-07-17
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2024-07-17T00:00:00.000Z
Dates
- Event date
- 2026-04-15T00:00:00.000Z
Reasoning: This inferred gold resource, while historical for this PEA, shows high grades and is NI 43-101 compliant with QP sign-off, but carries a lower confidence due to its inferred classification.
Positive factors
- high gold grades
- NI 43-101 compliant
- QP signed
Negative factors
- previously disclosed
- significant inferred component
- resource estimate is historical for this PEA
Evidence · table
“8.58”
Context: 1,813,000
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
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
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
inferredNew Amalga Gold Project · silverTonnes: 1813000Grade: 6.7Grade Unit: g/tContained Metal: 390600Contained Unit: ozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- New Amalga Gold Project
- Commodity
- silver
- Region
- usa_ak
- Reported Region
- Southeast Alaska, USA
- Ticker
- GPG
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Dr. Dave Webb
- Resource group id
- resource:01bb86a15ce92679d830
Resource Data
- Category
- inferred
- Tonnes
- 1813000
- Grade
- 6.7
- Grade Unit
- g/t
- Contained Metal
- 390600
- Contained Unit
- oz
- Cutoff Grade
- 2.5
- Cutoff Unit
- g/t
Prior Estimate
- Resource Date
- 2024-07-17
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2024-07-17T00:00:00.000Z
Dates
- Event date
- 2026-04-15T00:00:00.000Z
Reasoning: This inferred silver resource, while historical for this PEA, is NI 43-101 compliant with QP sign-off, but carries a lower confidence due to its inferred classification.
Positive factors
- NI 43-101 compliant
- QP signed
Negative factors
- previously disclosed
- significant inferred component
- resource estimate is historical for this PEA
Evidence · table
“6.70”
Context: 1,813,000
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
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
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
inferredNew Amalga Gold Project · goldTonnes: 2383000Grade: 7.26Grade Unit: g/tContained Metal: 556400Contained Unit: ozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- New Amalga Gold Project
- Commodity
- gold
- Region
- usa_ak
- Reported Region
- Southeast Alaska, USA
- Ticker
- GPG
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Dr. Dave Webb
- Resource group id
- resource:88cbe26114992f6d71bf
Resource Data
- Category
- inferred
- Tonnes
- 2383000
- Grade
- 7.26
- Grade Unit
- g/t
- Contained Metal
- 556400
- Contained Unit
- oz
- Cutoff Grade
- 2
- Cutoff Unit
- g/t
Prior Estimate
- Resource Date
- 2024-07-17
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2024-07-17T00:00:00.000Z
Dates
- Event date
- 2026-04-15T00:00:00.000Z
Reasoning: This inferred gold resource, while historical for this PEA, shows high grades and is NI 43-101 compliant with QP sign-off, but carries a lower confidence due to its inferred classification.
Positive factors
- high gold grades
- NI 43-101 compliant
- QP signed
Negative factors
- previously disclosed
- significant inferred component
- resource estimate is historical for this PEA
Evidence · table
“7.26”
Context: 2,383,000
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
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
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
Why it applies: the release names the study this estimate supports
inferredNew Amalga Gold Project · silverTonnes: 2383000Grade: 5.59Grade Unit: g/tContained Metal: 428300Contained Unit: ozHistorical resultNeeds review: historical_restatementView all detailsHide details
Identity
- Project
- New Amalga Gold Project
- Commodity
- silver
- Region
- usa_ak
- Reported Region
- Southeast Alaska, USA
- Ticker
- GPG
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Dr. Dave Webb
- Resource group id
- resource:88cbe26114992f6d71bf
Resource Data
- Category
- inferred
- Tonnes
- 2383000
- Grade
- 5.59
- Grade Unit
- g/t
- Contained Metal
- 428300
- Contained Unit
- oz
- Cutoff Grade
- 2
- Cutoff Unit
- g/t
Prior Estimate
- Resource Date
- 2024-07-17
Review
- Needs Review
- Yes
- Review Reason
- historical_restatement
- Historical
- Yes
- Historical Source Date
- 2024-07-17T00:00:00.000Z
Dates
- Event date
- 2026-04-15T00:00:00.000Z
Reasoning: This inferred silver resource, while historical for this PEA, is NI 43-101 compliant with QP sign-off, but carries a lower confidence due to its inferred classification.
Positive factors
- NI 43-101 compliant
- QP signed
Negative factors
- previously disclosed
- significant inferred component
- resource estimate is historical for this PEA
Evidence · table
“5.59”
Context: 2,383,000
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
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
PEA-Supportingneutral
Resource estimate prepared to support a Preliminary Economic Assessment — early-stage study.
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.