Sitka Gold Announces Maiden Resource Estimate at Its Rhosgobel Gold Deposit and Expands Total Mineral Resource Estimate at the RC Gold Project, Yukon
Original announcement by tmx on
- Company
- Sitka Gold Corp.
- Ticker
- SIG
- Exchange
- TSX
- Region
- Yukon
- Primary commodity
- Gold
- Secondary commodities
- Tungsten
- Document categories
- Resource update, Drill results
- Extracted
- 2026-09-16 22:53:15 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Sitka Gold has announced a maiden mineral resource estimate for the Rhosgobel Gold Deposit of 2.25 million ounces of gold (100.68 Mt @ 0.70 g/t Au). This expands the total RC Gold Project resource to 1.29 million ounces indicated and 3.83 million ounces inferred.
Reasoning: The announcement of a maiden 2.25 Moz resource at Rhosgobel and the expansion of the total project resource to over 5 Moz represents significant exploration success and project scale growth.
Positive factors
- Maiden resource estimate for Rhosgobel deposit
- Significant expansion of total project resource
- High-grade core identified at Rhosgobel
- Non-refractory metallurgical results
- Strong growth trajectory from 2023 maiden resource
Negative factors
- Tungsten mineralization presence noted as unproven economically
Facts used in scoring: 4
Classification and evidence
Maiden Resourceneutral
First formal MRE for the project — establishes baseline but typically exploration-stage with high Inferred component. No prior estimate exists, so every change band is not applicable.
Why it applies: First formal MRE defined for the Rhosgobel Gold Deposit.
Evidence · text
“Maiden Mineral Resource Estimate ("MRE") defined for the Rhosgobel Gold Deposit”
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: MRE prepared in accordance with NI 43-101 standards.
Evidence · text
“in accordance with the Canadian Institute of Mining, Metallurgy and Petroleum ( "CIM" ) Definition Standards incorporated by reference in National Instrument 43-101 ( "NI 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: Ron G. Simpson, P. Geo., of GeoSim Services Inc. is named as the responsible QP.
Evidence · text
“prepared by Ronald G. Simpson, P. Geo., of GeoSim Services Inc.”
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: Cut-off grade of 0.30 g/t gold is explicitly stated for the estimates.
Evidence · text
“using a cut-off grade of 0.30 g/t gold”
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: The source explicitly discloses a revised resource estimate
Evidence · text
“updated Mineral Resource Estimate”
Extracted facts
Stored fact records: 4. Some facts used in scoring do not have a stored record.
Resource Estimates (4)
indicatedRC Gold Project · goldTonnes: 39960000Grade: 1.01Grade Unit: g/tContained Metal: 1291000Contained Unit: ozView all detailsHide details
Identity
- Project
- RC Gold Project
- Commodity
- gold
- Region
- canada_yt
- Reported Region
- Yukon
- Ticker
- SIG
Resource scope
- Estimate type
- resource
- Effective date
- 2025-01-21T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Ronald G. Simpson
- Resource group id
- resource:7e21878cc90eb7d69fd8
- Deposit or zone
- Blackjack
- Mining method
- open_pit
- Material type
- unknown
- Ownership percent
- 100 %
Resource Data
- Category
- indicated
- Tonnes
- 39960000
- Grade
- 1.01
- Grade Unit
- g/t
- Contained Metal
- 1291000
- Contained Unit
- oz
- Cutoff Grade
- 0.3
- Cutoff Unit
- g/t gold
Prior Estimate
- Resource Date
- 2025-01-21
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-25T00:00:00.000Z
Reasoning: Existing indicated resource at Blackjack, updated from previous estimates.
Evidence · text
“comprising an indicated resource of 1,291,000 ounces of gold in 39.96 Mt grading 1.01 g/t gold”
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
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
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
inferredRC Gold Project · goldTonnes: 34600000Grade: 0.94Grade Unit: g/tContained Metal: 1044000Contained Unit: ozView all detailsHide details
Identity
- Project
- RC Gold Project
- Commodity
- gold
- Region
- canada_yt
- Reported Region
- Yukon
- Ticker
- SIG
Resource scope
- Estimate type
- resource
- Effective date
- 2025-01-21T00:00:00.000Z
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Ronald G. Simpson
- Resource group id
- resource:7e01ee04db9f2cc217d5
- Deposit or zone
- Blackjack
- Mining method
- open_pit
- Material type
- unknown
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 34600000
- Grade
- 0.94
- Grade Unit
- g/t
- Contained Metal
- 1044000
- Contained Unit
- oz
- Cutoff Grade
- 0.3
- Cutoff Unit
- g/t gold
Prior Estimate
- Resource Date
- 2025-01-21
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-25T00:00:00.000Z
Reasoning: Existing inferred resource at Blackjack.
Evidence · text
“an inferred resource of 1,044,000 ounces of gold in 34.60 Mt grading 0.94 g/t gold”
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
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
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
inferredRC Gold Project · goldTonnes: 100680000Grade: 0.7Grade Unit: g/tContained Metal: 2250000Contained Unit: ozView all detailsHide details
Identity
- Project
- RC Gold Project
- Commodity
- gold
- Region
- canada_yt
- Reported Region
- Yukon
- Ticker
- SIG
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Ronald G. Simpson
- Resource group id
- resource:8ff09909a3295f8ccb82
- Deposit or zone
- Rhosgobel
- Mining method
- open_pit
- Material type
- unknown
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 100680000
- Grade
- 0.7
- Grade Unit
- g/t
- Contained Metal
- 2250000
- Contained Unit
- oz
- Cutoff Grade
- 0.3
- Cutoff Unit
- g/t gold
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-25T00:00:00.000Z
Reasoning: Maiden resource estimate for the Rhosgobel deposit.
Positive factors
- Maiden resource
Evidence · text
“Maiden Mineral Resource Estimate ("MRE") defined for the Rhosgobel Gold Deposit... comprises a pit-constrained Inferred Mineral Resource of 2,250,000 ounces of gold (100.68 Mt @ 0.70 g/t Au)”
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
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
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
inferredRC Gold Project · goldTonnes: 32140000Grade: 0.52Grade Unit: g/tContained Metal: 535000Contained Unit: ozView all detailsHide details
Identity
- Project
- RC Gold Project
- Commodity
- gold
- Region
- canada_yt
- Reported Region
- Yukon
- Ticker
- SIG
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Ronald G. Simpson
- Resource group id
- resource:af3e73fff2c20358da58
- Deposit or zone
- Eiger
- Mining method
- open_pit
- Material type
- unknown
- Ownership percent
- 100 %
Resource Data
- Category
- inferred
- Tonnes
- 32140000
- Grade
- 0.52
- Grade Unit
- g/t
- Contained Metal
- 535000
- Contained Unit
- oz
- Cutoff Grade
- 0.3
- Cutoff Unit
- g/t gold
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-02-25T00:00:00.000Z
Reasoning: Updated resource estimate for Eiger deposit.
Positive factors
- Resource expansion
Evidence · text
“updated resource estimate for the Eiger Gold Deposit of 535,000 ounces of gold (32.14 Mt @ 0.52 g/t Au)”
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
Resource Updateneutral
Revised estimate for an existing resource — compare to prior to assess progress.
Why it applies: the release compares against a previous estimate
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.