Arctic Star Completes Successful Spring 2022 Exploration Program, Diagras Project 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, Other
- Extracted
- 2026-09-19 17:02:17 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Arctic Star Exploration Corp. has completed a successful spring 2022 exploration program at its Diagras Project in the Northwest Territories, including the discovery of the new Arbutus kimberlite and further delineation of the Sequoia kimberlite complex. Nine drill holes totaling 1,098 meters were completed, intersecting significant kimberlite intervals. Samples from both kimberlites will be sent for caustic fusion to determine diamond content, with results expected from mid-July to late August.
Reasoning: The document reports successful exploration with the discovery of a new kimberlite (Arbutus) and significant kimberlite intercepts in delineation drilling at Sequoia. While no diamond grades are yet available, the extent of kimberlite intersected and the planned caustic fusion for diamonds are positive. The program also included an unsuccessful exploration hole.
Positive factors
- Discovery of new kimberlite (Arbutus)
- Delineation drilling on Sequoia kimberlite complex
- Significant kimberlite intercepts in multiple holes
- QA/QC procedures mentioned (core splitting, experienced geologist, SRC lab)
- QP sign-off
Negative factors
- No grades reported (only kimberlite intercepts)
- True width not disclosed for angled holes
- Unsuccessful exploration hole (DG2022-04) on a target
Low confidence — this extraction should be reviewed alongside the original source.
Facts used in scoring: 8
Classification and evidence
Step-Out Extensionpositive
Mineralization extended beyond the previously known limit.
Why it applies: The drill program included exploration drilling for new kimberlite targets, leading to the discovery of the Arbutus kimberlite.
Evidence · text
“This work resulted in the discovery of the Arbutus kimberlite.”
Infill Drillingneutral
Confirmatory drilling to raise resource confidence, not new discovery.
Why it applies: Six drill holes were directed towards the ongoing delineation of the Sequoia kimberlite complex, indicating infill drilling to better define the known body.
Evidence · text
“Six were directed towards the ongoing delineation of the Sequoia kimberlite complex”
Apparent Width Onlynegative
Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.
Why it applies: The document reports downhole intercept lengths for kimberlite without stating true widths, particularly for angled holes, which may overstate true thickness.
Evidence · text
“The intercepts in the angled holes suggest we are drilling of the southern edge of an eruption center.”
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 core splitting, logging by an experienced kimberlite geologist for technical consistency, and samples being sent to SRC diamond laboratory.
Evidence · text
“the core is split with half or approximately 3.8kg per meter going to the lab for caustic fusion. ... logged by Dan Gainer, an experienced kimberlite geologist who logged the kimberlite discoveries last year which will provide technical consistency. ... Once logged and split the core will be sent to SRC diamond laboratory in Saskatoon.”
QP/CP Signedpositive · Story-specific tag
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: Buddy Doyle, AUSIMM, a Geologist, is named as the Qualified Person for this news release under NI 43-101.
Evidence · text
“The Qualified Person for this news release is Buddy Doyle, AUSIMM, a Geologist with over 35 years of experience in diamond exploration, discovery, and evaluation. A Qualified Person under the provisions of the National Instrument 43-101.”
Extracted facts
Stored fact records: 8. Some facts used in scoring do not have a stored record.
Drill Results (8)
DG2022-01Diagras · diamondIntercept: 127.5 mView all detailsHide details
Identity
- Hole ID
- DG2022-01
- Project
- Diagras
- Commodity
- diamond
- Region
- northwest territories
- Reported Region
- northwest territories
- Ticker
- ADD
Geometry
- Intercept
- 127.5 m
- From
- 28.5 m
- To
- 156 m
- Hole Depth
- 201 m
- Intercept Depth
- 28.5 m
Classification
- Program
- delineation
- Sample Type
- drill
- Group ID
- DG2022-01:28.5-156
Location
- Location
- Sequoia
- Easting
- 552487
- Northing
- 7178500
- Azimuth
- 0 °
- Dip
- -90 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SRC diamond laboratory in Saskatoon and Aurora’s core logging facility in Yellowknife
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2022-06-13T00:00:00.000Z
Reasoning: This hole intersected a substantial length of kimberlite, contributing to the delineation of the Sequoia complex. The vertical orientation provides good control, but the lack of diamond grades limits full assessment.
Positive factors
- Significant kimberlite intercept
- Vertical hole provides good geological control
Negative factors
- No grades reported
Evidence · table
“127.5”
Context: 28.5
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
DG2022-01Diagras · diamondIntercept: 9 mView all detailsHide details
Identity
- Hole ID
- DG2022-01
- Project
- Diagras
- Commodity
- diamond
- Region
- northwest territories
- Reported Region
- northwest territories
- Ticker
- ADD
Geometry
- Intercept
- 9 m
- From
- 171 m
- To
- 180 m
- Hole Depth
- 201 m
- Intercept Depth
- 171 m
Classification
- Program
- delineation
- Sample Type
- drill
- Group ID
- DG2022-01:171-180
Location
- Location
- Sequoia
- Easting
- 552487
- Northing
- 7178500
- Azimuth
- 0 °
- Dip
- -90 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SRC diamond laboratory in Saskatoon and Aurora’s core logging facility in Yellowknife
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2022-06-13T00:00:00.000Z
Reasoning: A shorter kimberlite intercept in the same hole, further contributing to the understanding of the Sequoia complex, but without grades.
Positive factors
- Kimberlite intercept
Negative factors
- No grades reported
- Shorter intercept
Evidence · table
“9.0”
Context: 171.0
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
DG2022-03Diagras · diamondIntercept: 27 mView all detailsHide details
Identity
- Hole ID
- DG2022-03
- Project
- Diagras
- Commodity
- diamond
- Region
- northwest territories
- Reported Region
- northwest territories
- Ticker
- ADD
Geometry
- Intercept
- 27 m
- From
- 27 m
- To
- 54 m
- Hole Depth
- 102 m
- Intercept Depth
- 27 m
Classification
- Program
- delineation
- Sample Type
- drill
- Group ID
- DG2022-03:27-54
Location
- Location
- Sequoia
- Easting
- 552487
- Northing
- 7178500
- Azimuth
- 270 °
- Dip
- -70 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SRC diamond laboratory in Saskatoon and Aurora’s core logging facility in Yellowknife
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2022-06-13T00:00:00.000Z
Reasoning: This angled hole intersected kimberlite, providing data for the western edge of the Sequoia eruption center. The lack of true width information for this angled intercept reduces confidence.
Positive factors
- Kimberlite intercept
Negative factors
- No grades reported
- Apparent width only
Evidence · table
“27”
Context: 27.0
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
DG2022-05Diagras · diamondIntercept: 207 mView all detailsHide details
Identity
- Hole ID
- DG2022-05
- Project
- Diagras
- Commodity
- diamond
- Region
- northwest territories
- Reported Region
- northwest territories
- Ticker
- ADD
Geometry
- Intercept
- 207 m
- From
- 18 m
- To
- 225 m
- Hole Depth
- 225 m
- Intercept Depth
- 18 m
Classification
- Program
- delineation
- Sample Type
- drill
- Group ID
- DG2022-05:18-225
Location
- Location
- Sequoia
- Easting
- 552530
- Northing
- 7178590
- Azimuth
- 0 °
- Dip
- -90 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SRC diamond laboratory in Saskatoon and Aurora’s core logging facility in Yellowknife
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2022-06-13T00:00:00.000Z
Reasoning: This hole intersected a very significant length of kimberlite, ending in mineralization, which is highly positive for the delineation of the Sequoia complex. The vertical orientation provides good control, but diamond grades are pending.
Positive factors
- Very long kimberlite intercept
- Hole ended in kimberlite, suggesting further depth potential
- Vertical hole provides good geological control
Negative factors
- No grades reported
Evidence · table
“207”
Context: 18.0
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
DG2022-06Diagras · diamondIntercept: 69 mView all detailsHide details
Identity
- Hole ID
- DG2022-06
- Project
- Diagras
- Commodity
- diamond
- Region
- northwest territories
- Reported Region
- northwest territories
- Ticker
- ADD
Geometry
- Intercept
- 69 m
- From
- 21 m
- To
- 90 m
- Hole Depth
- 123 m
- Intercept Depth
- 21 m
Classification
- Program
- delineation
- Sample Type
- drill
- Group ID
- DG2022-06:21-90
Location
- Location
- Sequoia
- Easting
- 552530
- Northing
- 7178590
- Azimuth
- 90 °
- Dip
- -70 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SRC diamond laboratory in Saskatoon and Aurora’s core logging facility in Yellowknife
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2022-06-13T00:00:00.000Z
Reasoning: This angled hole intersected a good length of kimberlite, providing data for the eastern edge of the Sequoia eruption center. The lack of true width information for this angled intercept reduces confidence.
Positive factors
- Kimberlite intercept
- Contributes to understanding of kimberlite width
Negative factors
- No grades reported
- Apparent width only
Evidence · table
“69”
Context: 21.0
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
DG2022-07Diagras · diamondIntercept: 64.8 mView all detailsHide details
Identity
- Hole ID
- DG2022-07
- Project
- Diagras
- Commodity
- diamond
- Region
- northwest territories
- Reported Region
- northwest territories
- Ticker
- ADD
Geometry
- Intercept
- 64.8 m
- From
- 19.5 m
- To
- 84 m
- Hole Depth
- 114 m
- Intercept Depth
- 19.5 m
Classification
- Program
- delineation
- Sample Type
- drill
- Group ID
- DG2022-07:19.5-84
Location
- Location
- Sequoia
- Easting
- 552530
- Northing
- 7178590
- Azimuth
- 270 °
- Dip
- -70 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SRC diamond laboratory in Saskatoon and Aurora’s core logging facility in Yellowknife
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2022-06-13T00:00:00.000Z
Reasoning: This angled hole intersected a good length of kimberlite, providing data for the western edge of the Sequoia eruption center. The lack of true width information for this angled intercept reduces confidence.
Positive factors
- Kimberlite intercept
- Contributes to understanding of kimberlite width
Negative factors
- No grades reported
- Apparent width only
Evidence · table
“64.8”
Context: 19.5
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
DG2022-08Diagras · diamondIntercept: 20.6 mView all detailsHide details
Identity
- Hole ID
- DG2022-08
- Project
- Diagras
- Commodity
- diamond
- Region
- northwest territories
- Reported Region
- northwest territories
- Ticker
- ADD
Geometry
- Intercept
- 20.6 m
- From
- 7.8 m
- To
- 28.3 m
- Hole Depth
- 72 m
- Intercept Depth
- 7.8 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- DG2022-08:7.8-28.3
Location
- Location
- Arbutus
- Easting
- 556385
- Northing
- 7184810
- Azimuth
- 0 °
- Dip
- -90 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SRC diamond laboratory in Saskatoon and Aurora’s core logging facility in Yellowknife
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2022-06-13T00:00:00.000Z
Reasoning: This hole represents the discovery of the new Arbutus kimberlite, a significant exploration success. The kimberlite intercept is moderate in length, but the novelty of a new discovery is high.
Positive factors
- Discovery of new kimberlite (Arbutus)
- Kimberlite intercept in exploration hole
- Vertical hole provides good geological control
Negative factors
- No grades reported
Evidence · table
“20.6”
Context: 7.8
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
Cut-off Undisclosednegative
High-grade interval reported without stating the cut-off grade used for compositing.
Why it applies: no cutoff_grade was stated
DG2022-09Diagras · diamondIntercept: 20.8 mView all detailsHide details
Identity
- Hole ID
- DG2022-09
- Project
- Diagras
- Commodity
- diamond
- Region
- northwest territories
- Reported Region
- northwest territories
- Ticker
- ADD
Geometry
- Intercept
- 20.8 m
- From
- 7.5 m
- To
- 28.3 m
- Hole Depth
- 57 m
- Intercept Depth
- 7.5 m
Classification
- Program
- exploration
- Sample Type
- drill
- Group ID
- DG2022-09:7.5-28.3
Location
- Location
- Arbutus
- Easting
- 556385
- Northing
- 7184810
- Azimuth
- 200 °
- Dip
- -85 °
- Loc. Confidence
- high
- Loc. Source
- document
QA/QC
- Laboratory
- SRC diamond laboratory in Saskatoon and Aurora’s core logging facility in Yellowknife
- QP Signed
- Yes
Deleterious
- Deleterious Flag
- No
Review
- Needs Review
- No
- Interp. Status
- scored
- Historical
- No
Dates
- Event date
- 2022-06-13T00:00:00.000Z
Reasoning: This hole confirms the presence of the newly discovered Arbutus kimberlite with a moderate intercept. The angled nature means the reported length is apparent width only, but the confirmation of a new discovery is positive.
Positive factors
- Kimberlite intercept in exploration hole
- Confirms presence of Arbutus kimberlite
Negative factors
- No grades reported
- Apparent width only
Evidence · table
“20.8”
Context: 7.5
Tags used in scoring
No QA/QC Disclosurenegative
Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.
Why it applies: qaqc_disclosed is not true
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.