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

Atlas analysis — Arctic Star Exploration Corp.: Diamond Results from this Year's Delineation Drilling, Sequoia Kimberlite Complex, NT

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 details
Link to this fact

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 details
Link to this fact

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.