American Rare Earths Reports Strong Initial Assay Results from 2026 Feasibility Drilling at Halleck Creek

Original announcement by globenewswire on

Company
American Rare Earths
Ticker
ARR
Exchange
Unavailable
Region
Wyoming
Primary commodity
Rare earths
Secondary commodities
None reported
Document categories
Drill results, Economic study, Resource update
Extracted
2026-09-21 16:34:55 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

American Rare Earths reports strong initial assay results from the first six HQ core holes of its 2026 Feasibility Study drilling program at the Halleck Creek Rare Earths Project in Wyoming. The results confirm broad, near-surface rare earth mineralization with a pooled average of 3,497 ppm TREO, and 93% of intervals exceeding the 1,000 ppm TREO resource cut-off. This drilling aims to increase geological confidence and support future resource classification and mine planning for the Cowboy State Mine.

Reasoning: The initial assay results from the Feasibility Study drilling program at Halleck Creek are strong, confirming broad, high-grade rare earth mineralization consistent with the existing geological model. The program is designed to increase geological confidence and support future resource classification and mine planning, indicating progress towards development. However, the lack of true width disclosure for the intercepts is a minor negative.

Positive factors

  • High-grade TREO intercepts, with a pooled average of 3,497 ppm TREO, supporting the robustness of near-surface mineralization.
  • Broad, continuous mineralization confirmed across all six holes, consistent with the existing geological model.
  • Feasibility Study drilling program aims to increase geological confidence and support future Mineral Resource classification and mine-planning studies.
  • Strong QA/QC disclosure with certified lab results from ALS Global and Competent Person sign-off.

Negative factors

  • True width is not known for the reported intervals, which may overstate true thickness.
  • Results from 12 additional holes are still outstanding, so the full picture is not yet available.

Facts used in scoring: 51

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 explicitly states 'Certified, QA/QC-verified assay results' and mentions 'ALS Global' as the certified laboratory, and a Competent Person has signed off.

Evidence · text

“Certified, QA/QC-verified assay results from the first six HQ core holes of the 2026 Feasibility Study drilling program confirm broad, near-surface rare earth mineralization at the Cowboy State Mine, Red Mountain”

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 explicitly states that 'All reported intervals are downhole lengths; true width is not known for these holes'.

Evidence · text

“All reported intervals are downhole lengths; true width is not known for these holes (see Appendix A, Section 2, "Relationship between mineralisation widths and intercept lengths").”

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: The document clearly states the compositing methodology, including a 1,000 ppm TREO cut-off, maximum 2.0 m internal dilution, and minimum 3.0 m interval length.

Evidence · text

“Composited using sample-length-weighted averaging of certified assays meeting a 1,000 ppm TREO cut-off — the same cut-off grade basis the Company applies to the current Cowboy State Mine Mineral Resource (ASX release, 19 November 2025). Internal dilution of up to 2.0 m of sub-cut-off material is allowed within an interval; minimum reportable interval length is 3.0 m.”

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: The drilling program is part of a Feasibility Study and is intended to 'increase geological confidence and support future Mineral Resource classification and subsequent mine-planning studies', which aligns with infill drilling objectives.

Evidence · text

“These holes are intended to increase geological confidence and support future Mineral Resource classification and subsequent mine-planning studies.”

Extracted facts

Stored fact records: 50. Some facts used in scoring do not have a stored record.

Drill Results (48)

HC26-RM051Halleck Creek Rare Earths · treoGrade: 3796Grade Unit: ppmIntercept: 99.44 mView all details
Link to this fact

Identity

Hole ID
HC26-RM051
Project
Halleck Creek Rare Earths
Commodity
treo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
3796
Grade Unit
ppm
Intercept
99.44 m
From
0 m
To
99.44 m
Intercept Depth
0 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM051:0-99.44
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: This intercept shows a high TREO grade over a substantial width, supporting the project's resource potential and contributing to the Feasibility Study. The lack of true width is a minor concern.

Positive factors

  • High TREO grade (3796 ppm) significantly above the 1000 ppm cut-off.
  • Broad intercept length (99.44 m) indicates significant mineralization.
  • Part of a Feasibility Study drilling program to increase resource confidence.

Negative factors

  • True width is not known, potentially overstating the actual thickness.

Evidence · table

“3796”

Context: 99.44

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM051Halleck Creek Rare Earths · mreoGrade: 1088Grade Unit: ppmIntercept: 99.44 mView all details
Link to this fact

Identity

Hole ID
HC26-RM051
Project
Halleck Creek Rare Earths
Commodity
mreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
1088
Grade Unit
ppm
Intercept
99.44 m
From
0 m
To
99.44 m
Intercept Depth
0 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM051:0-99.44
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The presence of a notable MREO grade within this broad intercept is positive, as MREO are key economic drivers for rare earth projects. The lack of true width is a minor concern.

Positive factors

  • Significant MREO grade (1088 ppm) within a broad mineralized zone.
  • MREO are critical for magnet production, adding value to the rare earth mineralization.

Negative factors

  • True width is not known.

Evidence · table

“1088”

Context: 99.44

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM051Halleck Creek Rare Earths · lreoGrade: 3213Grade Unit: ppmIntercept: 99.44 mView all details
Link to this fact

Identity

Hole ID
HC26-RM051
Project
Halleck Creek Rare Earths
Commodity
lreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
3213
Grade Unit
ppm
Intercept
99.44 m
From
0 m
To
99.44 m
Intercept Depth
0 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM051:0-99.44
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The high LREO grade within this broad intercept is a positive indicator for the overall rare earth endowment of the project. The lack of true width is a minor concern.

Positive factors

  • High LREO grade (3213 ppm) contributing significantly to the overall TREO content.
  • LREO are a major component of rare earth deposits and contribute to project economics.

Negative factors

  • True width is not known.

Evidence · table

“3213”

Context: 99.44

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM051Halleck Creek Rare Earths · hreoGrade: 583Grade Unit: ppmIntercept: 99.44 mView all details
Link to this fact

Identity

Hole ID
HC26-RM051
Project
Halleck Creek Rare Earths
Commodity
hreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
583
Grade Unit
ppm
Intercept
99.44 m
From
0 m
To
99.44 m
Intercept Depth
0 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM051:0-99.44
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The HREO content, while lower than LREO, is a positive as these elements are often critical and valuable. The lack of true width is a minor concern.

Positive factors

  • Presence of HREO (583 ppm) adds to the overall value proposition of the rare earth deposit.
  • HREO are often strategic and command higher prices.

Negative factors

  • True width is not known.

Evidence · table

“583”

Context: 99.44

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM051Halleck Creek Rare Earths · treoGrade: 2837Grade Unit: ppmIntercept: 25.83 mView all details
Link to this fact

Identity

Hole ID
HC26-RM051
Project
Halleck Creek Rare Earths
Commodity
treo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
2837
Grade Unit
ppm
Intercept
25.83 m
From
102.19 m
To
128.02 m
Intercept Depth
102.19 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM051:102.19-128.02
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: This is another strong intercept in the same hole, confirming continuous mineralization at depth. The lack of true width is a minor concern.

Positive factors

  • High TREO grade (2837 ppm) well above the 1000 ppm cut-off.
  • Adds to the overall mineralized footprint within the hole.

Negative factors

  • True width is not known.

Evidence · table

“2837”

Context: 25.83

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM051Halleck Creek Rare Earths · mreoGrade: 863Grade Unit: ppmIntercept: 25.83 mView all details
Link to this fact

Identity

Hole ID
HC26-RM051
Project
Halleck Creek Rare Earths
Commodity
mreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
863
Grade Unit
ppm
Intercept
25.83 m
From
102.19 m
To
128.02 m
Intercept Depth
102.19 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM051:102.19-128.02
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The MREO content in this deeper intercept is a positive for the project's overall value. The lack of true width is a minor concern.

Positive factors

  • Presence of MREO (863 ppm) at this depth adds to the overall economic potential.

Negative factors

  • True width is not known.

Evidence · table

“863”

Context: 25.83

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM051Halleck Creek Rare Earths · lreoGrade: 2158Grade Unit: ppmIntercept: 25.83 mView all details
Link to this fact

Identity

Hole ID
HC26-RM051
Project
Halleck Creek Rare Earths
Commodity
lreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
2158
Grade Unit
ppm
Intercept
25.83 m
From
102.19 m
To
128.02 m
Intercept Depth
102.19 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM051:102.19-128.02
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The LREO content in this intercept is positive for the project's overall rare earth endowment. The lack of true width is a minor concern.

Positive factors

  • Good LREO grade (2158 ppm) at this depth, contributing to the overall rare earth content.

Negative factors

  • True width is not known.

Evidence · table

“2158”

Context: 25.83

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM051Halleck Creek Rare Earths · hreoGrade: 679Grade Unit: ppmIntercept: 25.83 mView all details
Link to this fact

Identity

Hole ID
HC26-RM051
Project
Halleck Creek Rare Earths
Commodity
hreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
679
Grade Unit
ppm
Intercept
25.83 m
From
102.19 m
To
128.02 m
Intercept Depth
102.19 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM051:102.19-128.02
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The HREO content in this intercept is positive for the project's overall value. The lack of true width is a minor concern.

Positive factors

  • HREO content (679 ppm) at this depth adds to the overall value of the rare earth mineralization.

Negative factors

  • True width is not known.

Evidence · table

“679”

Context: 25.83

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM052Halleck Creek Rare Earths · treoGrade: 3854Grade Unit: ppmIntercept: 102.63 mView all details
Link to this fact

Identity

Hole ID
HC26-RM052
Project
Halleck Creek Rare Earths
Commodity
treo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
3854
Grade Unit
ppm
Intercept
102.63 m
From
5.79 m
To
108.42 m
Intercept Depth
5.79 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM052:5.79-108.42
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: This is an excellent, broad, near-surface intercept with high TREO grades, strongly supporting the project's economic viability and resource model. The lack of true width is a minor concern.

Positive factors

  • Very high TREO grade (3854 ppm) over a significant width (102.63 m).
  • Near-surface mineralization supports the conceptual open-pit approach.

Negative factors

  • True width is not known.

Evidence · table

“3854”

Context: 102.63

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM052Halleck Creek Rare Earths · mreoGrade: 1079Grade Unit: ppmIntercept: 102.63 mView all details
Link to this fact

Identity

Hole ID
HC26-RM052
Project
Halleck Creek Rare Earths
Commodity
mreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
1079
Grade Unit
ppm
Intercept
102.63 m
From
5.79 m
To
108.42 m
Intercept Depth
5.79 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM052:5.79-108.42
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The significant MREO content in this broad, near-surface intercept is a strong positive for the project's economic potential. The lack of true width is a minor concern.

Positive factors

  • High MREO grade (1079 ppm) within a very broad, near-surface intercept.
  • MREO are critical for magnet production, enhancing the project's value.

Negative factors

  • True width is not known.

Evidence · table

“1079”

Context: 102.63

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM052Halleck Creek Rare Earths · lreoGrade: 3373Grade Unit: ppmIntercept: 102.63 mView all details
Link to this fact

Identity

Hole ID
HC26-RM052
Project
Halleck Creek Rare Earths
Commodity
lreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
3373
Grade Unit
ppm
Intercept
102.63 m
From
5.79 m
To
108.42 m
Intercept Depth
5.79 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM052:5.79-108.42
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The very high LREO content in this broad, near-surface intercept is a strong positive for the project's overall rare earth endowment. The lack of true width is a minor concern.

Positive factors

  • Very high LREO grade (3373 ppm) within a broad, near-surface intercept, contributing significantly to overall TREO.

Negative factors

  • True width is not known.

Evidence · table

“3373”

Context: 102.63

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM052Halleck Creek Rare Earths · hreoGrade: 480Grade Unit: ppmIntercept: 102.63 mView all details
Link to this fact

Identity

Hole ID
HC26-RM052
Project
Halleck Creek Rare Earths
Commodity
hreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
480
Grade Unit
ppm
Intercept
102.63 m
From
5.79 m
To
108.42 m
Intercept Depth
5.79 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM052:5.79-108.42
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The HREO content in this broad, near-surface intercept is positive for the project's overall value. The lack of true width is a minor concern.

Positive factors

  • Presence of HREO (480 ppm) adds to the overall value proposition of the rare earth deposit.

Negative factors

  • True width is not known.

Evidence · table

“480”

Context: 102.63

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM052Halleck Creek Rare Earths · treoGrade: 3525Grade Unit: ppmIntercept: 8.64 mView all details
Link to this fact

Identity

Hole ID
HC26-RM052
Project
Halleck Creek Rare Earths
Commodity
treo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
3525
Grade Unit
ppm
Intercept
8.64 m
From
116.33 m
To
124.97 m
Intercept Depth
116.33 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM052:116.33-124.97
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: This intercept shows high TREO grades at a deeper interval, indicating continuity of mineralization. The lack of true width is a minor concern.

Positive factors

  • High TREO grade (3525 ppm) well above the 1000 ppm cut-off.
  • Confirms mineralization at deeper levels within the hole.

Negative factors

  • True width is not known.

Evidence · table

“3525”

Context: 8.64

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM052Halleck Creek Rare Earths · mreoGrade: 919Grade Unit: ppmIntercept: 8.64 mView all details
Link to this fact

Identity

Hole ID
HC26-RM052
Project
Halleck Creek Rare Earths
Commodity
mreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
919
Grade Unit
ppm
Intercept
8.64 m
From
116.33 m
To
124.97 m
Intercept Depth
116.33 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM052:116.33-124.97
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The MREO content in this deeper intercept is a positive for the project's overall value. The lack of true width is a minor concern.

Positive factors

  • Presence of MREO (919 ppm) at this depth adds to the overall economic potential.

Negative factors

  • True width is not known.

Evidence · table

“919”

Context: 8.64

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM052Halleck Creek Rare Earths · lreoGrade: 3265Grade Unit: ppmIntercept: 8.64 mView all details
Link to this fact

Identity

Hole ID
HC26-RM052
Project
Halleck Creek Rare Earths
Commodity
lreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
3265
Grade Unit
ppm
Intercept
8.64 m
From
116.33 m
To
124.97 m
Intercept Depth
116.33 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM052:116.33-124.97
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The LREO content in this intercept is positive for the project's overall rare earth endowment. The lack of true width is a minor concern.

Positive factors

  • Good LREO grade (3265 ppm) at this depth, contributing to the overall rare earth content.

Negative factors

  • True width is not known.

Evidence · table

“3265”

Context: 8.64

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM052Halleck Creek Rare Earths · hreoGrade: 260Grade Unit: ppmIntercept: 8.64 mView all details
Link to this fact

Identity

Hole ID
HC26-RM052
Project
Halleck Creek Rare Earths
Commodity
hreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
260
Grade Unit
ppm
Intercept
8.64 m
From
116.33 m
To
124.97 m
Intercept Depth
116.33 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM052:116.33-124.97
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The HREO content in this intercept is positive for the project's overall value. The lack of true width is a minor concern.

Positive factors

  • Presence of HREO (260 ppm) at this depth adds to the overall value of the rare earth mineralization.

Negative factors

  • True width is not known.

Evidence · table

“260”

Context: 8.64

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM053Halleck Creek Rare Earths · treoGrade: 3669Grade Unit: ppmIntercept: 65.93 mView all details
Link to this fact

Identity

Hole ID
HC26-RM053
Project
Halleck Creek Rare Earths
Commodity
treo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
3669
Grade Unit
ppm
Intercept
65.93 m
From
3.96 m
To
69.89 m
Intercept Depth
3.96 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM053:3.96-69.89
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: This is an excellent, broad, near-surface intercept with high TREO grades, strongly supporting the project's economic viability and resource model. The lack of true width is a minor concern.

Positive factors

  • High TREO grade (3669 ppm) over a significant width (65.93 m).
  • Near-surface mineralization supports the conceptual open-pit approach.

Negative factors

  • True width is not known.

Evidence · table

“3669”

Context: 65.93

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM053Halleck Creek Rare Earths · mreoGrade: 1073Grade Unit: ppmIntercept: 65.93 mView all details
Link to this fact

Identity

Hole ID
HC26-RM053
Project
Halleck Creek Rare Earths
Commodity
mreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
1073
Grade Unit
ppm
Intercept
65.93 m
From
3.96 m
To
69.89 m
Intercept Depth
3.96 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM053:3.96-69.89
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The significant MREO content in this broad, near-surface intercept is a strong positive for the project's economic potential. The lack of true width is a minor concern.

Positive factors

  • High MREO grade (1073 ppm) within a broad, near-surface intercept.
  • MREO are critical for magnet production, enhancing the project's value.

Negative factors

  • True width is not known.

Evidence · table

“1073”

Context: 65.93

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM053Halleck Creek Rare Earths · lreoGrade: 3215Grade Unit: ppmIntercept: 65.93 mView all details
Link to this fact

Identity

Hole ID
HC26-RM053
Project
Halleck Creek Rare Earths
Commodity
lreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
3215
Grade Unit
ppm
Intercept
65.93 m
From
3.96 m
To
69.89 m
Intercept Depth
3.96 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM053:3.96-69.89
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The very high LREO content in this broad, near-surface intercept is a strong positive for the project's overall rare earth endowment. The lack of true width is a minor concern.

Positive factors

  • Very high LREO grade (3215 ppm) within a broad, near-surface intercept, contributing significantly to overall TREO.

Negative factors

  • True width is not known.

Evidence · table

“3215”

Context: 65.93

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM053Halleck Creek Rare Earths · hreoGrade: 454Grade Unit: ppmIntercept: 65.93 mView all details
Link to this fact

Identity

Hole ID
HC26-RM053
Project
Halleck Creek Rare Earths
Commodity
hreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
454
Grade Unit
ppm
Intercept
65.93 m
From
3.96 m
To
69.89 m
Intercept Depth
3.96 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM053:3.96-69.89
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The HREO content in this broad, near-surface intercept is positive for the project's overall value. The lack of true width is a minor concern.

Positive factors

  • Presence of HREO (454 ppm) adds to the overall value proposition of the rare earth deposit.

Negative factors

  • True width is not known.

Evidence · table

“454”

Context: 65.93

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM053Halleck Creek Rare Earths · treoGrade: 3864Grade Unit: ppmIntercept: 40.39 mView all details
Link to this fact

Identity

Hole ID
HC26-RM053
Project
Halleck Creek Rare Earths
Commodity
treo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
3864
Grade Unit
ppm
Intercept
40.39 m
From
84.37 m
To
124.76 m
Intercept Depth
84.37 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM053:84.37-124.76
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: This is an excellent intercept with high TREO grades at a deeper interval, indicating continuity of mineralization. The lack of true width is a minor concern.

Positive factors

  • Very high TREO grade (3864 ppm) over a significant width (40.39 m).
  • Confirms mineralization at deeper levels within the hole.

Negative factors

  • True width is not known.

Evidence · table

“3864”

Context: 40.39

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM053Halleck Creek Rare Earths · mreoGrade: 1016Grade Unit: ppmIntercept: 40.39 mView all details
Link to this fact

Identity

Hole ID
HC26-RM053
Project
Halleck Creek Rare Earths
Commodity
mreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
1016
Grade Unit
ppm
Intercept
40.39 m
From
84.37 m
To
124.76 m
Intercept Depth
84.37 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM053:84.37-124.76
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The significant MREO content in this deeper intercept is a strong positive for the project's economic potential. The lack of true width is a minor concern.

Positive factors

  • High MREO grade (1016 ppm) at this depth adds to the overall economic potential.

Negative factors

  • True width is not known.

Evidence · table

“1016”

Context: 40.39

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM053Halleck Creek Rare Earths · lreoGrade: 3546Grade Unit: ppmIntercept: 40.39 mView all details
Link to this fact

Identity

Hole ID
HC26-RM053
Project
Halleck Creek Rare Earths
Commodity
lreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
3546
Grade Unit
ppm
Intercept
40.39 m
From
84.37 m
To
124.76 m
Intercept Depth
84.37 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM053:84.37-124.76
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The very high LREO content in this deeper intercept is a strong positive for the project's overall rare earth endowment. The lack of true width is a minor concern.

Positive factors

  • Very high LREO grade (3546 ppm) at this depth, contributing significantly to overall TREO.

Negative factors

  • True width is not known.

Evidence · table

“3546”

Context: 40.39

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM053Halleck Creek Rare Earths · hreoGrade: 318Grade Unit: ppmIntercept: 40.39 mView all details
Link to this fact

Identity

Hole ID
HC26-RM053
Project
Halleck Creek Rare Earths
Commodity
hreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
318
Grade Unit
ppm
Intercept
40.39 m
From
84.37 m
To
124.76 m
Intercept Depth
84.37 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM053:84.37-124.76
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The HREO content in this deeper intercept is positive for the project's overall value. The lack of true width is a minor concern.

Positive factors

  • Presence of HREO (318 ppm) at this depth adds to the overall value proposition of the rare earth deposit.

Negative factors

  • True width is not known.

Evidence · table

“318”

Context: 40.39

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM054Halleck Creek Rare Earths · treoGrade: 3077Grade Unit: ppmIntercept: 12.1 mView all details
Link to this fact

Identity

Hole ID
HC26-RM054
Project
Halleck Creek Rare Earths
Commodity
treo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
3077
Grade Unit
ppm
Intercept
12.1 m
From
0 m
To
12.1 m
Intercept Depth
0 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM054:0-12.1
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: This is a strong, near-surface intercept with high TREO grades, supporting the project's economic viability and resource model. The lack of true width is a minor concern.

Positive factors

  • High TREO grade (3077 ppm) over a good width (12.1 m).
  • Near-surface mineralization supports the conceptual open-pit approach.

Negative factors

  • True width is not known.

Evidence · table

“3077”

Context: 12.1

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM054Halleck Creek Rare Earths · mreoGrade: 846Grade Unit: ppmIntercept: 12.1 mView all details
Link to this fact

Identity

Hole ID
HC26-RM054
Project
Halleck Creek Rare Earths
Commodity
mreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
846
Grade Unit
ppm
Intercept
12.1 m
From
0 m
To
12.1 m
Intercept Depth
0 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM054:0-12.1
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The MREO content in this near-surface intercept is a positive for the project's overall value. The lack of true width is a minor concern.

Positive factors

  • Presence of MREO (846 ppm) within a near-surface intercept adds to the overall economic potential.

Negative factors

  • True width is not known.

Evidence · table

“846”

Context: 12.1

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM054Halleck Creek Rare Earths · lreoGrade: 2683Grade Unit: ppmIntercept: 12.1 mView all details
Link to this fact

Identity

Hole ID
HC26-RM054
Project
Halleck Creek Rare Earths
Commodity
lreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
2683
Grade Unit
ppm
Intercept
12.1 m
From
0 m
To
12.1 m
Intercept Depth
0 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM054:0-12.1
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The LREO content in this near-surface intercept is positive for the project's overall rare earth endowment. The lack of true width is a minor concern.

Positive factors

  • Good LREO grade (2683 ppm) within a near-surface intercept, contributing to the overall TREO.

Negative factors

  • True width is not known.

Evidence · table

“2683”

Context: 12.1

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM054Halleck Creek Rare Earths · hreoGrade: 394Grade Unit: ppmIntercept: 12.1 mView all details
Link to this fact

Identity

Hole ID
HC26-RM054
Project
Halleck Creek Rare Earths
Commodity
hreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
394
Grade Unit
ppm
Intercept
12.1 m
From
0 m
To
12.1 m
Intercept Depth
0 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM054:0-12.1
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The HREO content in this near-surface intercept is positive for the project's overall value. The lack of true width is a minor concern.

Positive factors

  • Presence of HREO (394 ppm) adds to the overall value proposition of the rare earth deposit.

Negative factors

  • True width is not known.

Evidence · table

“394”

Context: 12.1

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM054Halleck Creek Rare Earths · treoGrade: 4084Grade Unit: ppmIntercept: 78.42 mView all details
Link to this fact

Identity

Hole ID
HC26-RM054
Project
Halleck Creek Rare Earths
Commodity
treo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
4084
Grade Unit
ppm
Intercept
78.42 m
From
14.33 m
To
92.75 m
Intercept Depth
14.33 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM054:14.33-92.75
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: This is an outstanding intercept with very high TREO grades over a substantial width, strongly supporting the project's economic viability and resource model. The lack of true width is a minor concern.

Positive factors

  • Exceptional TREO grade (4084 ppm) over a very broad width (78.42 m).
  • Confirms significant mineralization at shallow to moderate depths.

Negative factors

  • True width is not known.

Evidence · table

“4084”

Context: 78.42

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM054Halleck Creek Rare Earths · mreoGrade: 1151Grade Unit: ppmIntercept: 78.42 mView all details
Link to this fact

Identity

Hole ID
HC26-RM054
Project
Halleck Creek Rare Earths
Commodity
mreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
1151
Grade Unit
ppm
Intercept
78.42 m
From
14.33 m
To
92.75 m
Intercept Depth
14.33 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM054:14.33-92.75
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The very significant MREO content in this broad intercept is a strong positive for the project's economic potential. The lack of true width is a minor concern.

Positive factors

  • Very high MREO grade (1151 ppm) within a very broad intercept.
  • MREO are critical for magnet production, significantly enhancing the project's value.

Negative factors

  • True width is not known.

Evidence · table

“1151”

Context: 78.42

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM054Halleck Creek Rare Earths · lreoGrade: 3585Grade Unit: ppmIntercept: 78.42 mView all details
Link to this fact

Identity

Hole ID
HC26-RM054
Project
Halleck Creek Rare Earths
Commodity
lreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
3585
Grade Unit
ppm
Intercept
78.42 m
From
14.33 m
To
92.75 m
Intercept Depth
14.33 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM054:14.33-92.75
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The very high LREO content in this broad intercept is a strong positive for the project's overall rare earth endowment. The lack of true width is a minor concern.

Positive factors

  • Very high LREO grade (3585 ppm) within a very broad intercept, contributing significantly to overall TREO.

Negative factors

  • True width is not known.

Evidence · table

“3585”

Context: 78.42

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM054Halleck Creek Rare Earths · hreoGrade: 499Grade Unit: ppmIntercept: 78.42 mView all details
Link to this fact

Identity

Hole ID
HC26-RM054
Project
Halleck Creek Rare Earths
Commodity
hreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
499
Grade Unit
ppm
Intercept
78.42 m
From
14.33 m
To
92.75 m
Intercept Depth
14.33 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM054:14.33-92.75
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The HREO content in this broad intercept is positive for the project's overall value. The lack of true width is a minor concern.

Positive factors

  • Presence of HREO (499 ppm) adds to the overall value proposition of the rare earth deposit.

Negative factors

  • True width is not known.

Evidence · table

“499”

Context: 78.42

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM054Halleck Creek Rare Earths · treoGrade: 3754Grade Unit: ppmIntercept: 25.47 mView all details
Link to this fact

Identity

Hole ID
HC26-RM054
Project
Halleck Creek Rare Earths
Commodity
treo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
3754
Grade Unit
ppm
Intercept
25.47 m
From
96.56 m
To
122.03 m
Intercept Depth
96.56 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM054:96.56-122.03
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: This is an excellent intercept with high TREO grades at a deeper interval, indicating continuity of mineralization. The lack of true width is a minor concern.

Positive factors

  • High TREO grade (3754 ppm) over a significant width (25.47 m).
  • Confirms mineralization at deeper levels within the hole.

Negative factors

  • True width is not known.

Evidence · table

“3754”

Context: 25.47

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM054Halleck Creek Rare Earths · mreoGrade: 1045Grade Unit: ppmIntercept: 25.47 mView all details
Link to this fact

Identity

Hole ID
HC26-RM054
Project
Halleck Creek Rare Earths
Commodity
mreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
1045
Grade Unit
ppm
Intercept
25.47 m
From
96.56 m
To
122.03 m
Intercept Depth
96.56 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM054:96.56-122.03
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The significant MREO content in this deeper intercept is a strong positive for the project's economic potential. The lack of true width is a minor concern.

Positive factors

  • High MREO grade (1045 ppm) at this depth adds to the overall economic potential.

Negative factors

  • True width is not known.

Evidence · table

“1045”

Context: 25.47

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM054Halleck Creek Rare Earths · lreoGrade: 3401Grade Unit: ppmIntercept: 25.47 mView all details
Link to this fact

Identity

Hole ID
HC26-RM054
Project
Halleck Creek Rare Earths
Commodity
lreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
3401
Grade Unit
ppm
Intercept
25.47 m
From
96.56 m
To
122.03 m
Intercept Depth
96.56 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM054:96.56-122.03
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The very high LREO content in this deeper intercept is a strong positive for the project's overall rare earth endowment. The lack of true width is a minor concern.

Positive factors

  • Very high LREO grade (3401 ppm) at this depth, contributing significantly to overall TREO.

Negative factors

  • True width is not known.

Evidence · table

“3401”

Context: 25.47

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM054Halleck Creek Rare Earths · hreoGrade: 353Grade Unit: ppmIntercept: 25.47 mView all details
Link to this fact

Identity

Hole ID
HC26-RM054
Project
Halleck Creek Rare Earths
Commodity
hreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
353
Grade Unit
ppm
Intercept
25.47 m
From
96.56 m
To
122.03 m
Intercept Depth
96.56 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM054:96.56-122.03
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The HREO content in this deeper intercept is positive for the project's overall value. The lack of true width is a minor concern.

Positive factors

  • Presence of HREO (353 ppm) at this depth adds to the overall value proposition of the rare earth deposit.

Negative factors

  • True width is not known.

Evidence · table

“353”

Context: 25.47

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM055Halleck Creek Rare Earths · treoGrade: 3630Grade Unit: ppmIntercept: 7.67 mView all details
Link to this fact

Identity

Hole ID
HC26-RM055
Project
Halleck Creek Rare Earths
Commodity
treo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
3630
Grade Unit
ppm
Intercept
7.67 m
From
4.88 m
To
12.55 m
Intercept Depth
4.88 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM055:4.88-12.55
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: This is a strong, near-surface intercept with high TREO grades, supporting the project's economic viability and resource model. The lack of true width is a minor concern.

Positive factors

  • High TREO grade (3630 ppm) over a good width (7.67 m).
  • Near-surface mineralization supports the conceptual open-pit approach.

Negative factors

  • True width is not known.

Evidence · table

“3630”

Context: 7.67

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM055Halleck Creek Rare Earths · mreoGrade: 1012Grade Unit: ppmIntercept: 7.67 mView all details
Link to this fact

Identity

Hole ID
HC26-RM055
Project
Halleck Creek Rare Earths
Commodity
mreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
1012
Grade Unit
ppm
Intercept
7.67 m
From
4.88 m
To
12.55 m
Intercept Depth
4.88 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM055:4.88-12.55
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The MREO content in this near-surface intercept is a positive for the project's overall value. The lack of true width is a minor concern.

Positive factors

  • High MREO grade (1012 ppm) within a near-surface intercept adds to the overall economic potential.

Negative factors

  • True width is not known.

Evidence · table

“1012”

Context: 7.67

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM055Halleck Creek Rare Earths · lreoGrade: 3060Grade Unit: ppmIntercept: 7.67 mView all details
Link to this fact

Identity

Hole ID
HC26-RM055
Project
Halleck Creek Rare Earths
Commodity
lreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
3060
Grade Unit
ppm
Intercept
7.67 m
From
4.88 m
To
12.55 m
Intercept Depth
4.88 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM055:4.88-12.55
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The LREO content in this near-surface intercept is positive for the project's overall rare earth endowment. The lack of true width is a minor concern.

Positive factors

  • Good LREO grade (3060 ppm) within a near-surface intercept, contributing to the overall TREO.

Negative factors

  • True width is not known.

Evidence · table

“3060”

Context: 7.67

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM055Halleck Creek Rare Earths · hreoGrade: 570Grade Unit: ppmIntercept: 7.67 mView all details
Link to this fact

Identity

Hole ID
HC26-RM055
Project
Halleck Creek Rare Earths
Commodity
hreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
570
Grade Unit
ppm
Intercept
7.67 m
From
4.88 m
To
12.55 m
Intercept Depth
4.88 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM055:4.88-12.55
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The HREO content in this near-surface intercept is positive for the project's overall value. The lack of true width is a minor concern.

Positive factors

  • Presence of HREO (570 ppm) adds to the overall value proposition of the rare earth deposit.

Negative factors

  • True width is not known.

Evidence · table

“570”

Context: 7.67

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM055Halleck Creek Rare Earths · treoGrade: 4221Grade Unit: ppmIntercept: 110.02 mView all details
Link to this fact

Identity

Hole ID
HC26-RM055
Project
Halleck Creek Rare Earths
Commodity
treo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
4221
Grade Unit
ppm
Intercept
110.02 m
From
15 m
To
125.02 m
Intercept Depth
15 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM055:15-125.02
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: This is an outstanding intercept with very high TREO grades over a substantial width, strongly supporting the project's economic viability and resource model. The lack of true width is a minor concern.

Positive factors

  • Exceptional TREO grade (4221 ppm) over a very broad width (110.02 m).
  • Confirms significant mineralization at shallow to moderate depths.

Negative factors

  • True width is not known.

Evidence · table

“4221”

Context: 110.02

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM055Halleck Creek Rare Earths · mreoGrade: 1179Grade Unit: ppmIntercept: 110.02 mView all details
Link to this fact

Identity

Hole ID
HC26-RM055
Project
Halleck Creek Rare Earths
Commodity
mreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
1179
Grade Unit
ppm
Intercept
110.02 m
From
15 m
To
125.02 m
Intercept Depth
15 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM055:15-125.02
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The very significant MREO content in this broad intercept is a strong positive for the project's economic potential. The lack of true width is a minor concern.

Positive factors

  • Very high MREO grade (1179 ppm) within a very broad intercept.
  • MREO are critical for magnet production, significantly enhancing the project's value.

Negative factors

  • True width is not known.

Evidence · table

“1179”

Context: 110.02

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM055Halleck Creek Rare Earths · lreoGrade: 3628Grade Unit: ppmIntercept: 110.02 mView all details
Link to this fact

Identity

Hole ID
HC26-RM055
Project
Halleck Creek Rare Earths
Commodity
lreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
3628
Grade Unit
ppm
Intercept
110.02 m
From
15 m
To
125.02 m
Intercept Depth
15 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM055:15-125.02
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The very high LREO content in this broad intercept is a strong positive for the project's overall rare earth endowment. The lack of true width is a minor concern.

Positive factors

  • Very high LREO grade (3628 ppm) within a very broad intercept, contributing significantly to overall TREO.

Negative factors

  • True width is not known.

Evidence · table

“3628”

Context: 110.02

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM055Halleck Creek Rare Earths · hreoGrade: 593Grade Unit: ppmIntercept: 110.02 mView all details
Link to this fact

Identity

Hole ID
HC26-RM055
Project
Halleck Creek Rare Earths
Commodity
hreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
593
Grade Unit
ppm
Intercept
110.02 m
From
15 m
To
125.02 m
Intercept Depth
15 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM055:15-125.02
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The HREO content in this broad intercept is positive for the project's overall value. The lack of true width is a minor concern.

Positive factors

  • Presence of HREO (593 ppm) adds to the overall value proposition of the rare earth deposit.

Negative factors

  • True width is not known.

Evidence · table

“593”

Context: 110.02

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM056Halleck Creek Rare Earths · treoGrade: 3951Grade Unit: ppmIntercept: 191.11 mView all details
Link to this fact

Identity

Hole ID
HC26-RM056
Project
Halleck Creek Rare Earths
Commodity
treo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
3951
Grade Unit
ppm
Intercept
191.11 m
From
8.84 m
To
199.95 m
Intercept Depth
8.84 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM056:8.84-199.95
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: This is an outstanding, very broad, near-surface intercept with very high TREO grades, strongly supporting the project's economic viability and resource model. The lack of true width is a minor concern.

Positive factors

  • Exceptional TREO grade (3951 ppm) over an extremely broad width (191.11 m), representing one of the broadest mineralized intervals encountered.
  • Near-surface mineralization supports the conceptual open-pit approach.

Negative factors

  • True width is not known.

Evidence · table

“3951”

Context: 191.11

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM056Halleck Creek Rare Earths · mreoGrade: 1101Grade Unit: ppmIntercept: 191.11 mView all details
Link to this fact

Identity

Hole ID
HC26-RM056
Project
Halleck Creek Rare Earths
Commodity
mreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
1101
Grade Unit
ppm
Intercept
191.11 m
From
8.84 m
To
199.95 m
Intercept Depth
8.84 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM056:8.84-199.95
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The very significant MREO content in this extremely broad intercept is a strong positive for the project's economic potential. The lack of true width is a minor concern.

Positive factors

  • Very high MREO grade (1101 ppm) within an extremely broad intercept.
  • MREO are critical for magnet production, significantly enhancing the project's value.

Negative factors

  • True width is not known.

Evidence · table

“1101”

Context: 191.11

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM056Halleck Creek Rare Earths · lreoGrade: 3570Grade Unit: ppmIntercept: 191.11 mView all details
Link to this fact

Identity

Hole ID
HC26-RM056
Project
Halleck Creek Rare Earths
Commodity
lreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
3570
Grade Unit
ppm
Intercept
191.11 m
From
8.84 m
To
199.95 m
Intercept Depth
8.84 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM056:8.84-199.95
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The very high LREO content in this extremely broad intercept is a strong positive for the project's overall rare earth endowment. The lack of true width is a minor concern.

Positive factors

  • Very high LREO grade (3570 ppm) within an extremely broad intercept, contributing significantly to overall TREO.

Negative factors

  • True width is not known.

Evidence · table

“3570”

Context: 191.11

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

HC26-RM056Halleck Creek Rare Earths · hreoGrade: 381Grade Unit: ppmIntercept: 191.11 mView all details
Link to this fact

Identity

Hole ID
HC26-RM056
Project
Halleck Creek Rare Earths
Commodity
hreo
Region
wyoming
Reported Region
wyoming
Ticker
ARR

Geometry

Grade
381
Grade Unit
ppm
Intercept
191.11 m
From
8.84 m
To
199.95 m
Intercept Depth
8.84 m

Classification

Program
resource
Sample Type
drill
Group ID
HC26-RM056:8.84-199.95
Mining Method
open_pit

QA/QC

Laboratory
ALS Global
QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
1000
Cutoff Unit
ppm
Dilution Disclosed
Yes
Max Dilution
2 m

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The HREO content in this extremely broad intercept is positive for the project's overall value. The lack of true width is a minor concern.

Positive factors

  • Presence of HREO (381 ppm) adds to the overall value proposition of the rare earth deposit.

Negative factors

  • True width is not known.

Evidence · table

“381”

Context: 191.11

Tags used in scoring

QA/QC Disclosedpositive

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

Why it applies: qaqc_disclosed is true

Compositing Transparentpositive

Cut-off grade and internal dilution rules are clearly stated for reported intervals.

Why it applies: cutoff_grade and internal dilution are both stated

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

Resource Estimates (2)

Fact 1Halleck Creek Rare Earths Project · rare_earthsTonnes: 2630000000Grade: 3292Grade Unit: ppmContained Metal: 8.65Contained Unit: mtHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Halleck Creek Rare Earths Project
Commodity
rare_earths
Region
wyoming
Reported Region
Wyoming
Ticker
ARR

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
No
Resource group id
resource:6f11f3e4eeba017953df

Resource Data

Tonnes
2630000000
Grade
3292
Grade Unit
ppm
Contained Metal
8.65
Contained Unit
mt

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-02-04T00:00:00.000Z

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The document references a previously reported JORC Mineral Resource Estimate for the Halleck Creek Project. While the numbers are significant, this is a historical estimate and not a new update, so its novelty is low. The lack of specific resource categories in this summary limits confidence.

Positive factors

  • Large resource size (2.63 billion tonnes) with a good TREO grade (3,292 ppm).

Negative factors

  • This is a historical estimate, referenced from a prior release, not a new update.
  • No specific resource category (Measured, Indicated, Inferred) is provided in this summary.

Evidence · text

“It hosts an allanite-dominant, near-surface REE system with a current JORC Mineral Resource Estimate of 2.63 billion tonnes at 3,292 ppm TREO for 8.65 million tonnes of contained rare earth oxides”

Tags used in scoring

Cut-off Undisclosednegative

High-grade interval reported without stating the cut-off grade used for compositing.

Why it applies: no cutoff_grade was stated

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: reporting_standards includes jorc

Fact 2Cowboy State Mine · rare_earthsTonnes: 547500000Historical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Cowboy State Mine
Commodity
rare_earths
Region
wyoming
Reported Region
Wyoming
Ticker
ARR

Resource scope

Estimate type
resource
QP Signed
No
Resource group id
resource:b56a4ed1d922d9fb0ef5

Resource Data

Tonnes
547500000
Cutoff Grade
1000
Cutoff Unit
ppm

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2025-11-19T00:00:00.000Z

Dates

Event date
2026-09-21T00:00:00.000Z

Reasoning: The document references a previously reported resource for the Cowboy State Mine. While the tonnage is significant, this is a historical estimate and lacks grade and contained metal information in this context, limiting its utility as a new fact.

Positive factors

  • Significant tonnage (547.5 Mt) for the Cowboy State Mine at a stated cut-off grade.

Negative factors

  • This is a historical estimate, referenced from a prior release, not a new update.
  • No grade or contained metal is provided in this summary.

Evidence · text

“Cowboy State Mine (547.5 Mt at a 1,000 ppm TREO cut-off) is drawn from the Company's prior ASX disclosures dated 4 February 2025 and 19 November 2025 respectively”

Tags used in scoring

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

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.