Diamond Results from this Year's Delineation Drilling, Sequoia Kimberlite Complex, NT
Original announcement by tmx on
- Company
- Arctic Star Exploration Corp.
- Ticker
- ADD
- Exchange
- TSX
- Region
- Northwest Territories
- Primary commodity
- Diamond
- Secondary commodities
- None reported
- Document categories
- Drill results
- Extracted
- 2026-08-21 11:55:37 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Arctic Star Exploration Corp. has released 2022 caustic fusion diamond results from the Sequoia Kimberlite complex in the Northwest Territories. The results show a diamond population that is dominantly white and clear, supporting the potential for high-value commercial stones.
Reasoning: The release reports 2022 caustic fusion diamond results from delineation drilling. While the stone quality is described as high (white and clear), the sample mass is relatively small for commercial scale prediction.
Positive factors
- consistent high quality stone descriptions (white and clear)
- delineation drilling progressing
- QA/QC disclosed with accredited lab
Negative factors
- sample size is small (1.65t core)
- grade variability noted between rock types
Facts used in scoring: 2

Classification and evidence
QA/QC Disclosedpositive
Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods (blanks, standards, duplicates).
Why it applies: The release mentions SRC is an independent lab and is SO/IEC 17025:2017 accredited and mentions chain of custody.
Evidence · text
“SRC is an independent lab and is SO/IEC 17025:2017 accredited.”
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: The program is described as delineation drilling with scope to infill up to 100m centers.
Evidence · text
“with scope to infill up to 100m centers”
Extracted facts
Stored fact records: 2. Some facts used in scoring do not have a stored record.
Drill Results (2)
Fact 1Sequoia Kimberlite Complex · diamondGrade: 61Grade Unit: Stones/ 100kgNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Sequoia Kimberlite Complex
- Commodity
- diamond
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- ADD
Geometry
- Grade
- 61
- Grade Unit
- Stones/ 100kg
Classification
- Sample Type
- drill
- Mining Method
- unknown
QA/QC
- Laboratory
- SRC
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- chain of custody
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2022-12-05T00:00:00.000Z
Reasoning: 2022 diamond grade of 61 stones/100kg is lower than the 2021 grade of 95 stones/100kg.
Positive factors
- new 2022 data
Negative factors
- low stone count per 100kg compared to 2021
Evidence · table
“61”
Context: 1650.5Kg
Fact 2Sequoia Kimberlite Complex · diamondGrade: 95Grade Unit: Stones/ 100kgHistorical resultNeeds review: drill_no_hole_idView all detailsHide details
Identity
- Project
- Sequoia Kimberlite Complex
- Commodity
- diamond
- Region
- northwest territories
- Reported Region
- Northwest Territories
- Ticker
- ADD
Geometry
- Grade
- 95
- Grade Unit
- Stones/ 100kg
Classification
- Sample Type
- drill
- Mining Method
- unknown
QA/QC
- Laboratory
- SRC
- QA/QC Disclosed
- Yes
- Lab Certified
- Yes
- QP Signed
- Yes
- QA/QC Methods
- chain of custody
Review
- Needs Review
- Yes
- Review Reason
- drill_no_hole_id
- Interp. Status
- scored
- Historical
- Yes
- Historical Source Date
- 2021-01-01T00:00:00.000Z
Dates
- Event date
- 2022-12-05T00:00:00.000Z
Reasoning: Historical 2021 results showing 95 stones/100kg.
Positive factors
- higher grade than 2022
Evidence · table
“95”
Context: 505.3Kg
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.