ATAC Files NI 43-101 Technical Report for the Osiris Deposit, Yukon
Original announcement by tmx on
- Company
- ATAC Resources Ltd.
- Ticker
- ATC
- Exchange
- TSX
- Region
- Yukon
- Primary commodity
- Gold
- Secondary commodities
- Copper
- Document categories
- Resource update, Economic study
- Extracted
- 2026-09-17 11:40:00 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
ATAC Resources Ltd. has filed an NI 43-101 Technical Report for the Osiris Project in Yukon. The release summarizes gold resources for the Osiris Deposit (1.78 Moz Au) and the Tiger Deposit (464 koz Au), alongside a positive PEA for the Tiger Deposit showing a 54.5% IRR.
Reasoning: The announcement confirms the filing of a technical report and summarizes existing resource and economic data. While the resource numbers are substantial, they are largely summaries of previously announced results (July 2022 and Feb 2020), making the novelty of the specific data points low, though the filing itself is a formal milestone.
Positive factors
- Filing of NI 43-101 technical report
- Strong IRR of 54.5% for Tiger Deposit PEA
- Significant gold resources at Osiris and Tiger
Facts used in scoring: 4
Classification and evidence
NI 43-101 Compliantpositive
Resource estimate prepared in compliance with NI 43-101 (Canada) — high reporting standard.
Why it applies: The document announces the filing of an independent NI 43-101 Technical Report.
Evidence · text
“completion and filing of an independent National Instrument 43-101 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 independent qualified persons are named in the report.
Evidence · text
“all of whom are independent qualified persons as defined in National Instrument 43-101”
Stale Data Re-releasenegative · Story-specific tag
Historical results re-announced with no new assays or reinterpretation — low genuine novelty.
Why it applies: The resource summary for Osiris refers to a news release from July 28, 2022, and the Tiger PEA refers to a 2020 report.
Evidence · text
“A summary of results from the Mineral Resource estimate was announced by ATAC in a news release dated July 28, 2022”
Extracted facts
Stored fact records: 3. Some facts used in scoring do not have a stored record.
Resource Estimates (3)
indicatedOsiris Project · goldTonnes: 5500000Grade: 4.12Grade Unit: g/tContained Metal: 732000Contained Unit: ozView all detailsHide details
Identity
- Project
- Osiris Project
- Commodity
- gold
- Region
- canada_yt
- Reported Region
- Yukon
- Ticker
- ATC
Resource scope
- Estimate type
- resource
- Resource group id
- resource:f2877008db4c0e4c78c6
- Deposit or zone
- Osiris Deposit
Resource Data
- Category
- indicated
- Tonnes
- 5500000
- Grade
- 4.12
- Grade Unit
- g/t
- Contained Metal
- 732000
- Contained Unit
- oz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2022-08-30T00:00:00.000Z
Reasoning: Indicated resource component of the Osiris deposit.
Positive factors
- Solid grade of 4.12 g/t
Evidence · text
“Osiris Deposit Indicated Resource of 732,000 oz of gold at 4.12 g/t (in 5.5 Mt)”
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
inferredOsiris Project · goldTonnes: 9400000Grade: 3.47Grade Unit: g/tContained Metal: 1044000Contained Unit: ozView all detailsHide details
Identity
- Project
- Osiris Project
- Commodity
- gold
- Region
- canada_yt
- Reported Region
- Yukon
- Ticker
- ATC
Resource scope
- Estimate type
- resource
- Resource group id
- resource:c6a01df30e6fa6b7e640
- Deposit or zone
- Osiris Deposit
Resource Data
- Category
- inferred
- Tonnes
- 9400000
- Grade
- 3.47
- Grade Unit
- g/t
- Contained Metal
- 1044000
- Contained Unit
- oz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2022-08-30T00:00:00.000Z
Reasoning: Inferred resource component of the Osiris deposit.
Positive factors
- Large inferred resource
Negative factors
- Inferred category limits confidence
Evidence · text
“Inferred Resource of 1,044,000 oz of gold at 3.47 g/t (in 9.4 Mt)”
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
indicatedTiger Deposit · goldTonnes: 4500000Grade: 3.19Grade Unit: g/tContained Metal: 464000Contained Unit: ozView all detailsHide details
Identity
- Project
- Tiger Deposit
- Commodity
- gold
- Region
- canada_yt
- Reported Region
- Yukon
- Ticker
- ATC
Resource scope
- Estimate type
- resource
- Resource group id
- resource:4a905957b203946fa765
- Deposit or zone
- Tiger Deposit
Resource Data
- Category
- indicated
- Tonnes
- 4500000
- Grade
- 3.19
- Grade Unit
- g/t
- Contained Metal
- 464000
- Contained Unit
- oz
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2022-08-30T00:00:00.000Z
Reasoning: M&I resource component for the Tiger Deposit.
Positive factors
- Measured & Indicated resource reported
Evidence · text
“Tiger Deposit Measured & Indicated Resource of 464,000 oz of gold at an average grade of 3.19 g/t (in 4.5 Mt)”
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 Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
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.