# Arctic Star Announces Diamond Results for the Arbutus 2022 Kimberlite Discovery at Diagras Project, Lac de Gras, NT

Canonical Atlas analysis: https://atlas-staging.minestarters.com/news/arctic-star-announces-diamond-results-for-the-arbutus-2022-kimberlite-discovery--51bb32b1-dcc0-47b9-9658-3f3227a7593e

Original source: https://money.tmx.com/en/quote/ADD/news/5429539352073669/arctic-star-announces-diamond-results-for-the-arbutus-2022-kimberlite-discovery-

Publisher: tmx

Original announcement: 2022-09-14T17:30:00.000Z

Analysis by Minestarters Atlas

Atlas analysis published: Unknown date

Atlas analysis updated: Unknown date

- 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 12:21:03 UTC

Narrative sentiment: 0.60 · Bullish

## Minestarters Atlas summary

Arctic Star has announced diamond-positive caustic fusion results from the Arbutus kimberlite at the Diagras Project. The results show 43 stones per 100kg, representing the second-best result to date for the project, with encouraging larger stone counts \(>0.3mm\).

Reasoning: The Arbutus kimberlite returned a diamond-positive caustic fusion result with a frequency of 43 stones/100kg, showing an encouraging size distribution for an early discovery.

- Positive factor: diamond positive

- Positive factor: unexpected larger number of stones >0.3mm

- Positive factor: second-best result to date

- Negative factor: stones too small to be considered gem

Facts used in scoring: 1

## Classification and evidence

**QA/QC Disclosed**

Polarity: positive

Definition: Release includes QA/QC disclosure — certified lab, QP sign-off, or stated methods \(blanks, standards, duplicates\).

Why it applies: The release mentions a chain of custody protocol, SCC accreditation \(ISO/IEC 17025\), and the use of artificial diamond spikes.

Evidence · text

> A chain of custody protocol was used. ... The Laboratory is SCC accredited, \(ISO/IEC 17025\).

**Step-Out Extension**

Polarity: positive

Definition: Mineralization extended beyond the previously known limit.

Why it applies: The Arbutus discovery is a new kimberlite identified through drilling in the Diagras project area.

Evidence · text

> Arbutus 2022 Kimberlite Discovery

## Extracted facts

Stored fact records: 1. Some facts used in scoring do not have a stored record.

## Drill Results (1)

### 8/9

[Link to this fact](https://atlas-staging.minestarters.com/news/arctic-star-announces-diamond-results-for-the-arbutus-2022-kimberlite-discovery--51bb32b1-dcc0-47b9-9658-3f3227a7593e#fact-drill-facts-0)

Diagras · diamond

Needs review: ungrounded

#### Identity

- Hole ID: 8/9
- Project: Diagras
- Commodity: diamond
- Region: northwest territories
- Reported Region: Northwest Territories
- Ticker: ADD

#### Classification

- Sample Type: drill
- Group ID: 8/9:0-143.05

#### QA/QC

- Laboratory: Saskatchewan Research Council
- QA/QC Disclosed: Yes
- Lab Certified: Yes
- QP Signed: Yes
- QA/QC Methods: spiked with distinct artificial diamonds

#### Review

- Needs Review: Yes
- Review Reason: ungrounded
- Interp. Status: scored
- Historical: No

#### Dates

- Event date: 2022-09-14T00:00:00.000Z

Reasoning: Arbutus kimberlite is diamond positive with 43 stones/100kg and an encouraging size distribution.

- Positive factor: diamond positive

- Positive factor: unexpected larger number of stones >0.3mm

- Negative factor: stones too small to be considered gem

Evidence · text

> Arbutus... 43 \[Stones/ 100kg\]

## 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.