Vanstar Announces Updated Resource Estimate at Nelligan - Growing Gold Resources by 63% with 2.0 Moz Indicated and 3.2 Moz Inferred Resources
Original announcement by tmx on
- Company
- Vanstar Mining Resources Inc.
- Ticker
- VSR
- Exchange
- TSX
- Region
- Quebec, Canada
- Primary commodity
- Gold
- Secondary commodities
- None reported
- Document categories
- Resource update
- Extracted
- 2026-08-21 11:52:59 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Vanstar has announced an updated Mineral Resource Estimate for the Nelligan Project, growing total gold resources by 63% in contained metal. The update includes 2.0 Moz of Indicated and 3.2 Moz of Inferred resources, driven by significant tonnage expansion and resource category conversion.
Reasoning: The update shows substantial growth in contained gold metal and a significant conversion of Inferred resources to Indicated, despite a lower average grade resulting from a lower cut-off.
Positive factors
- Significant tonnage growth (92%)
- Contained metal growth (63%)
- Category upgrade (62% of Inferred converted to Indicated)
- NI 43-101 compliant
Negative factors
- Grade decline (15%) due to lower cut-off grade
Facts used in scoring: 2
Classification and evidence
Category Upgradepositive
Resource confidence improved — Inferred upgraded to Indicated, or Indicated to Measured. De-risking signal.
Why it applies: 62% of Inferred Mineral Resources were converted to Indicated category relative to the 2019 estimate.
Evidence · text
“conversion of 62% of Inferred Mineral Resources to an Indicated Mineral Resource category”
Tonnage Growthpositive
Significant tonnage increase (≥15%) vs prior estimate with grade maintained or improved.
Why it applies: Mineral Resources increased by 92% in tonnage relative to the 2019 estimate.
Evidence · text
“Mineral Resources have increased by 92% 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: Overall gain of 63% in metal content relative to the 2019 estimate.
Evidence · text
“overall gain of 63% in metal content”
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: Estimate completed 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”
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 (QP) named and have reviewed/approved the release.
Evidence · text
“Mr. Prakash and Dr. Leuangthong are independent "qualified person", as defined by NI 43-101 (a "QP")”
Grade Declinenegative
Average grade dropped >5% vs prior estimate — deposit economics worsening. May indicate high-grading in early drilling.
Why it applies: Gold grades declined by 15% relative to the 2019 estimate due to lower cut-off grade.
Evidence · text
“with a 15% decline in gold grades”
Extracted facts
Stored fact records: 2. Some facts used in scoring do not have a stored record.
Resource Estimates (2)
indicatedgoldTonnes: 72200000Grade: 0.85Grade Unit: g/tContained Metal: 1970000Contained Unit: kozView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- VSR
Resource Data
- Category
- indicated
- Tonnes
- 72200000
- Grade
- 0.85
- Grade Unit
- g/t
- Contained Metal
- 1970000
- Contained Unit
- koz
- Cutoff Grade
- 0.35
Lab
- Laboratory
- ALS
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-01-12T00:00:00.000Z
Reasoning: Strong Indicated resource component with high confidence.
Positive factors
- Significant tonnage
Evidence · table
“0.85”
Context: 72.2
inferredgoldTonnes: 114100000Grade: 0.88Grade Unit: g/tContained Metal: 3238000Contained Unit: kozView all detailsHide details
Identity
- Commodity
- gold
- Ticker
- VSR
Resource Data
- Category
- inferred
- Tonnes
- 114100000
- Grade
- 0.88
- Grade Unit
- g/t
- Contained Metal
- 3238000
- Contained Unit
- koz
- Cutoff Grade
- 0.35
Lab
- Laboratory
- ALS
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2023-01-12T00:00:00.000Z
Reasoning: Large Inferred resource base providing significant upside.
Positive factors
- Large scale
Evidence · table
“0.88”
Context: 114.1
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.