Heliostar Introduces Goldstrike Project and Updated Mineral Resource
Original announcement by tmx on
- Company
- Heliostar Metals Ltd.
- Ticker
- HSTR
- Exchange
- TSX
- Region
- Utah, USA
- Primary commodity
- Gold
- Secondary commodities
- Antimony, Silver
- Document categories
- Resource update, Agreement transaction
- Extracted
- 2026-09-12 07:00:29 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Heliostar Metals has announced the acquisition of the Goldstrike project in Utah, USA, featuring an updated mineral resource of approximately 1 million ounces of gold. The project offers significant gold potential alongside antimony upside and includes existing infrastructure from past operations.
Reasoning: The announcement introduces a major acquisition of a ~1-million-ounce gold resource with additional critical mineral (antimony) potential.
Positive factors
- Significant gold resource (~1 Moz)
- Acquisition of a Carlin-style gold system
- Critical mineral upside with antimony
- Existing infrastructure and permitting progress
Negative factors
- Transaction involves significant milestone payments
Facts used in scoring: 5
Classification and evidence
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: The resource estimate is being prepared in accordance with NI 43-101 and reviewed by Qualified Persons.
Evidence · text
“in accordance with 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: Ms. Lorraine Tam and Mr. Gary L. Simmons are named as Qualified Persons.
Evidence · text
“reviewed and approved by Ms. Lorraine Tam, P.Geo. ... and Mr. Gary L. Simmons, MMSA”
Cut-off Disclosedpositive
Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.
Why it applies: The gold cut-off grade for the mineral resource is explicitly stated as 0.10 g/t.
Evidence · text
“Mineral Resources are estimated at a gold cut-off grade of 0.10 g/t”
Extracted facts
Stored fact records: 5. Some facts used in scoring do not have a stored record.
Resource Estimates (5)
indicatedGoldstrike · goldTonnes: 65804000Grade: 0.46Grade Unit: g/tContained Metal: 975000Contained Unit: ozView all detailsHide details
Identity
- Project
- Goldstrike
- Commodity
- gold
- Region
- usa_ut
- Reported Region
- Utah, USA
- Ticker
- HSTR
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Lorraine Tam, Gary L. Simmons
- Resource group id
- resource:cbf7ae56a82e6d8bdd15
- Deposit or zone
- Goldstrike
- Mining method
- open_pit
Resource Data
- Category
- indicated
- Tonnes
- 65804000
- Grade
- 0.46
- Grade Unit
- g/t
- Contained Metal
- 975000
- Contained Unit
- oz
- Cutoff Grade
- 0.1
- Cutoff Unit
- g/t
Prior Estimate
- Resource Date
- 2026-03-23
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-24T00:00:00.000Z
Reasoning: Significant indicated gold resource at a low cut-off grade.
Positive factors
- Large indicated resource
Evidence · table
“0.46”
Context: 65,804,000
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
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
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
inferredGoldstrike · goldTonnes: 8860000Grade: 0.31Grade Unit: g/tContained Metal: 90000Contained Unit: ozView all detailsHide details
Identity
- Project
- Goldstrike
- Commodity
- gold
- Region
- usa_ut
- Reported Region
- Utah, USA
- Ticker
- HSTR
Resource scope
- Estimate type
- resource
- Reporting standards
- ni_43_101
- QP Signed
- Yes
- Qualified person names
- Lorraine Tam, Gary L. Simmons
- Resource group id
- resource:c38d17504884ace15e6a
- Deposit or zone
- Goldstrike
- Mining method
- open_pit
Resource Data
- Category
- inferred
- Tonnes
- 8860000
- Grade
- 0.31
- Grade Unit
- g/t
- Contained Metal
- 90000
- Contained Unit
- oz
- Cutoff Grade
- 0.1
- Cutoff Unit
- g/t
Prior Estimate
- Resource Date
- 2026-03-23
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-24T00:00:00.000Z
Reasoning: Standard inferred component of the resource update.
Positive factors
- Contributes to total resource scale
Negative factors
- Inferred category implies lower confidence
Evidence · table
“0.31”
Context: 8,860,000
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
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
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
Fact 3Goldstrike · antimonyGrade: 5.7Grade Unit: %View all detailsHide details
Identity
- Project
- Goldstrike
- Commodity
- antimony
- Region
- usa_ut
- Reported Region
- Utah, USA
- Ticker
- HSTR
Resource scope
- Reporting standards
- ni_43_101
- Resource group id
- resource:7ace656da916d0ec4a53
- Mining method
- open_pit
Resource Data
- Grade
- 5.7
- Grade Unit
- %
- Cutoff Grade
- 0.1
- Cutoff Unit
- g/t
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-24T00:00:00.000Z
Reasoning: High-grade antimony surface samples indicate significant critical mineral potential.
Positive factors
- High grade antimony
Negative factors
- Historical/third-party data not independently verified
Evidence · text
“5.7% antimony with 0.05 grams per tonne ("g/t") gold”
Tags used in scoring
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
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
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
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
Fact 4Goldstrike · antimonyGrade: 5.1Grade Unit: %View all detailsHide details
Identity
- Project
- Goldstrike
- Commodity
- antimony
- Region
- usa_ut
- Reported Region
- Utah, USA
- Ticker
- HSTR
Resource scope
- Reporting standards
- ni_43_101
- Resource group id
- resource:7ace656da916d0ec4a53
- Mining method
- open_pit
Resource Data
- Grade
- 5.1
- Grade Unit
- %
- Cutoff Grade
- 0.1
- Cutoff Unit
- g/t
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-24T00:00:00.000Z
Reasoning: High-grade antimony surface samples indicate significant critical mineral potential.
Positive factors
- High grade antimony
Negative factors
- Historical/third-party data not independently verified
Evidence · text
“5.1% antimony with 0.13 g/t gold”
Tags used in scoring
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
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
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
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
Why it applies: the release names the study this estimate supports
Fact 5Goldstrike · antimonyGrade: 2.95Grade Unit: %View all detailsHide details
Identity
- Project
- Goldstrike
- Commodity
- antimony
- Region
- usa_ut
- Reported Region
- Utah, USA
- Ticker
- HSTR
Resource scope
- Reporting standards
- ni_43_101
- Resource group id
- resource:7ace656da916d0ec4a53
- Mining method
- open_pit
Resource Data
- Grade
- 2.95
- Grade Unit
- %
- Cutoff Grade
- 0.1
- Cutoff Unit
- g/t
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2026-03-24T00:00:00.000Z
Reasoning: High-grade antimony surface samples indicate significant critical mineral potential.
Positive factors
- High grade antimony
Negative factors
- Historical/third-party data not independently verified
Evidence · text
“2.95% antimony with 1.23 g/t gold”
Tags used in scoring
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
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
No Contained Metalnegative
Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.
Why it applies: contained_metal was not reported
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
DFS-Supportingneutral
Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.
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.