Northern Star doubles Pogo mine resources
Original announcement by miningnewsnorth on
- Company
- Northern Star Resources Ltd.
- Ticker
- Unavailable
- Exchange
- Unavailable
- Region
- Alaska
- Primary commodity
- Gold
- Secondary commodities
- None reported
- Document categories
- Resource update, Production
- Extracted
- 2026-09-18 21:23:04 UTC
Analysis by Minestarters Atlas
Atlas analysis published:
Minestarters Atlas analysis
Summary
Northern Star Resources has reported a massive expansion of the Pogo mine resources in Alaska, with total resources doubling to 37.96 Mt at 7.6 g/t gold. The update includes a maiden resource for the Star deposit and significant growth in proven and probable reserves to 2.39 million ounces.
Reasoning: Substantial expansion of both reserves and resources driven by new deposits (Star) and higher gold prices/lower cut-off.
Positive factors
- Significant tonnage growth (>100%)
- Contained gold increase (~51%)
- Maiden resource for Star deposit
- Reserve growth (>10%)
Negative factors
- Management transition (CEO stepping down)
Facts used in scoring: 6
Classification and evidence
Maiden Resourceneutral
First formal MRE for the project — establishes baseline but typically exploration-stage with high Inferred component.
Why it applies: The Star deposit is reported as an inaugural resource estimate.
Evidence · text
“including a maiden resource estimate for the Star deposit”
Tonnage Growthpositive
Significant tonnage increase (≥15%) vs prior estimate with grade maintained or improved.
Why it applies: Total resource tonnage increased by more than 100% compared to a year ago.
Evidence · text
“This marks a more than 100% increase in tonnage”
Contained Metal Growthpositive
True scale improvement — contained metal ounces/tonnes increased vs prior, accounting for both tonnage and grade changes.
Why it applies: Contained gold increased by approximately 51% compared to the previous year.
Evidence · text
“a roughly 51% increase in contained gold”
Extracted facts
Stored fact records: 6. Some facts used in scoring do not have a stored record.
Resource Estimates (6)
probablePogo · goldTonnes: 10960000Grade: 6.7Grade Unit: g/tContained Metal: 2.39Contained Unit: mozView all detailsHide details
Identity
- Project
- Pogo
- Commodity
- gold
- Region
- usa_ak
- Reported Region
- Alaska
Resource scope
- Estimate type
- reserve
- Resource group id
- resource:1bfefcb482642f6b6d1c
- Deposit or zone
- Pogo reserves
- Mining method
- combined
Resource Data
- Category
- probable
- Tonnes
- 10960000
- Grade
- 6.7
- Grade Unit
- g/t
- Contained Metal
- 2.39
- Contained Unit
- moz
Prior Estimate
- Prior Tonnes
- 10000000
- Prior Contained Metal
- 2130000
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-07-29T00:00:00.000Z
Reasoning: Strong reserve growth reported.
Positive factors
- 10% increase over prior year
Evidence · text
“2.39 million ounces of gold in 10.96 million metric tons of proven and probable reserves averaging 6.7 grams per metric ton gold”
Tags used in scoring
Probable Reservepositive
Indicated Resource with demonstrated economic viability after applying modifying factors.
Why it applies: category is "probable"
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Contained Metal Declinenegative
Contained metal decreased vs prior despite tonnage growth — grade dilution exceeds volume gain.
Why it applies: 2.39 against 2130000 previously
Dilutive Growthnegative
Tonnage increased but contained metal flat or down — likely from lower cut-off grade, not geological expansion.
Why it applies: tonnage rose while contained metal went 2.39 from 2130000
No QP/CP Disclosurenegative
No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience.
Why it applies: no Qualified or Competent Person is named anywhere in the release
inferredPogo · goldTonnes: 1050000Grade: 11Grade Unit: g/tContained Metal: 372000Contained Unit: ozView all detailsHide details
Identity
- Project
- Pogo
- Commodity
- gold
- Region
- usa_ak
- Reported Region
- Alaska
Resource scope
- Estimate type
- resource
- Resource group id
- resource:ccf587d8afe45d31d53b
- Deposit or zone
- Star deposit
- Mining method
- combined
Resource Data
- Category
- inferred
- Tonnes
- 1050000
- Grade
- 11
- Grade Unit
- g/t
- Contained Metal
- 372000
- Contained Unit
- oz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-07-29T00:00:00.000Z
Reasoning: New discovery/maiden resource adds significant scale.
Positive factors
- Maiden resource
Evidence · text
“Star hosts 372,000 oz of gold in 1.05 million metric tons of inferred resource at an average grade of 11 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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
No QP/CP Disclosurenegative
No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience.
Why it applies: no Qualified or Competent Person is named anywhere in the release
inferredPogo · goldTonnes: 1110000Grade: 8Grade Unit: g/tContained Metal: 285000Contained Unit: ozView all detailsHide details
Identity
- Project
- Pogo
- Commodity
- gold
- Region
- usa_ak
- Reported Region
- Alaska
Resource scope
- Estimate type
- resource
- Resource group id
- resource:3fdaf898925d8a78747c
- Deposit or zone
- Hill 4021
- Mining method
- combined
Resource Data
- Category
- inferred
- Tonnes
- 1110000
- Grade
- 8
- Grade Unit
- g/t
- Contained Metal
- 285000
- Contained Unit
- oz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-07-29T00:00:00.000Z
Reasoning: Significant near-surface inferred resource.
Positive factors
- Open-pit mineable
Evidence · text
“Hill 4021... hosts 285,000 oz of gold in 1.11 million metric tons of open-pit mineable inferred resource at an average grade of 8 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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
No QP/CP Disclosurenegative
No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience.
Why it applies: no Qualified or Competent Person is named anywhere in the release
inferredPogo · goldTonnes: 7300000Grade: 6.5Grade Unit: g/tContained Metal: 1520000Contained Unit: ozView all detailsHide details
Identity
- Project
- Pogo
- Commodity
- gold
- Region
- usa_ak
- Reported Region
- Alaska
Resource scope
- Estimate type
- resource
- Resource group id
- resource:0fe566ed4e1de141bf91
- Deposit or zone
- Goodpaster deposit
- Mining method
- combined
Resource Data
- Category
- inferred
- Tonnes
- 7300000
- Grade
- 6.5
- Grade Unit
- g/t
- Contained Metal
- 1520000
- Contained Unit
- oz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-07-29T00:00:00.000Z
Reasoning: Major component of the resource expansion.
Positive factors
- Large scale inferred resource
Evidence · text
“Goodpaster deposit... hosts an additional 1.52 million oz of gold in 7.3 million metric tons of inferred resource at an average grade of 6.5 g/ 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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
No QP/CP Disclosurenegative
No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience.
Why it applies: no Qualified or Competent Person is named anywhere in the release
inferredPogo · goldTonnes: 28400000Grade: 7.8Grade Unit: g/tContained Metal: 9000000Contained Unit: ozView all detailsHide details
Identity
- Project
- Pogo
- Commodity
- gold
- Region
- usa_ak
- Reported Region
- Alaska
Resource scope
- Estimate type
- resource
- Resource group id
- resource:f48414360960aed58df5
- Deposit or zone
- Liese and North Zone
- Mining method
- combined
Resource Data
- Category
- inferred
- Tonnes
- 28400000
- Grade
- 7.8
- Grade Unit
- g/t
- Contained Metal
- 9000000
- Contained Unit
- oz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-07-29T00:00:00.000Z
Reasoning: Represents the core existing resource base.
Evidence · text
“9 million oz of gold in 28.4 metric tons of measured, indicated, and inferred resources at an average grade of 7.8 g/t is found within the Liese and North Zone deposits”
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
No QP/CP Disclosurenegative
No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience.
Why it applies: no Qualified or Competent Person is named anywhere in the release
inferredPogo · goldTonnes: 37960000Grade: 7.6Grade Unit: g/tContained Metal: 9310000Contained Unit: ozView all detailsHide details
Identity
- Project
- Pogo
- Commodity
- gold
- Region
- usa_ak
- Reported Region
- Alaska
Resource scope
- Estimate type
- resource
- Resource group id
- resource:cd4343641991443b718c
- Mining method
- combined
Resource Data
- Category
- inferred
- Tonnes
- 37960000
- Grade
- 7.6
- Grade Unit
- g/t
- Contained Metal
- 9310000
- Contained Unit
- oz
Prior Estimate
- Prior Tonnes
- 18980000
- Prior Contained Metal
- 6200000
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-07-29T00:00:00.000Z
Reasoning: Total project resource expansion is massive.
Positive factors
- 100% increase in tonnage
- 51% increase in contained gold
Evidence · text
“Pogo hosts 37.96 million metric tons of measured, indicated, and inferred resources (inclusive of reserves) averaging 7.6 g/t (9.31 million oz) 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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
Tonnage Growthpositive
Significant tonnage increase (≥15%) vs prior estimate with grade maintained or improved.
Why it applies: 37960000 against 18980000 previously
Contained Metal Growthpositive
True scale improvement — contained metal ounces/tonnes increased vs prior, accounting for both tonnage and grade changes.
Why it applies: 9310000 against 6200000 previously
No QP/CP Disclosurenegative
No Qualified Person or Competent Person named — lower credibility for the estimate. A QP/CP should be a member of a recognized professional association with relevant experience.
Why it applies: no Qualified or Competent Person is named anywhere in the release
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.