Premier American Uranium Successfully Completes Drilling Program at Cebolleta Project, New Mexico and Delivers Samples for Advanced Metallurgical Testing

Original announcement by tmx on

Company
Premier American Uranium Inc.
Ticker
PUR
Exchange
TSX
Region
New Mexico
Primary commodity
Uranium
Secondary commodities
None reported
Document categories
Drill results, Metallurgy, Resource update
Extracted
2026-09-14 18:38:37 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Premier American Uranium has successfully completed a 6,030-foot core drilling program at its Cebolleta Uranium Project in New Mexico, collecting 77 samples for advanced metallurgical testing. These samples have been delivered to Hazen Research, where bottle roll and column leach tests are underway to optimize heap-leach uranium recovery. This program is designed to inform an update to the 2025 Preliminary Economic Assessment, with the potential for a significant increase in project NPV if recovery targets are met.

Reasoning: Premier American Uranium successfully completed a core drilling program to collect samples for metallurgical testing, which is now underway. This work is critical for optimizing uranium recovery and updating economic studies for the Cebolleta Project, with potential for significant value creation, although the metallurgical results are pending and grades are equivalent rather than chemical assays.

Positive factors

  • Successful completion of core drilling program
  • Samples delivered for advanced metallurgical testing
  • Metallurgical testing aims to optimize heap-leach uranium recovery
  • Potential for significant NPV increase if recovery targets are met
  • True widths reported for drill intercepts
  • Detailed QA/QC for downhole gamma logging
  • QP sign-offs for drilling and metallurgy

Negative factors

  • Grades are equivalent uranium (eU3O8) and not chemical assays
  • Metallurgical test results are not yet available
  • 2025 PEA includes Inferred resources, which are speculative
  • Some historical data lacks QA/QC or deviation surveys

Low confidence — this extraction should be reviewed alongside the original source.

Facts used in scoring: 5

Classification and evidence

Heap Leach Routeneutral

Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: the document describes a heap_leach route ("heap leaching")

Extracted facts

Stored fact records: 5. Some facts used in scoring do not have a stored record.

Drill Results (5)

RLB-83 2026 ACebolleta · uraniumGrade: 0.24Grade Unit: %Intercept: 5.2 mView all details
Link to this fact

Identity

Hole ID
RLB-83 2026 A
Project
Cebolleta
Commodity
uranium
Region
mexico
Reported Region
mexico
Ticker
PUR

Geometry

Grade
0.24
Grade Unit
%
Intercept
5.2 m
True Width
5.2 m
From
70.7 m
To
75.9 m
Intercept Depth
70.7 m

Classification

Program
resource
Sample Type
drill
Group ID
RLB-83 2026 A:70.7-75.9

Location

Latitude
35.168724
Longitude
-107.314538
Dip
-90 °
Loc. Confidence
high
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
0.06
Cutoff Unit
% eU3O8

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-07-13T00:00:00.000Z

Reasoning: This new drill intercept shows a strong uranium grade over a moderate width, with true width disclosed and robust QA/QC, contributing to the resource definition for metallurgical testing.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed
  • QP/CP Signed
  • Strong Grade (0.24% eU3O8)

Negative factors

  • Metal Equivalent Opaque

Evidence · table

“0.24”

Context: RLB-83 2026 A

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 5.2

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

RLB-83 2026 ACebolleta · uraniumGrade: 0.11Grade Unit: %Intercept: 2.5 mView all details
Link to this fact

Identity

Hole ID
RLB-83 2026 A
Project
Cebolleta
Commodity
uranium
Region
mexico
Reported Region
mexico
Ticker
PUR

Geometry

Grade
0.11
Grade Unit
%
Intercept
2.5 m
True Width
2.5 m
From
77.3 m
To
79.8 m
Intercept Depth
70.7 m

Classification

Program
resource
Sample Type
drill
Group ID
RLB-83 2026 A:77.3-79.8

Location

Latitude
35.168724
Longitude
-107.314538
Dip
-90 °
Loc. Confidence
high
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
0.06
Cutoff Unit
% eU3O8

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-07-13T00:00:00.000Z

Reasoning: This new drill intercept shows a moderate uranium grade over a narrow width, with true width disclosed and robust QA/QC, contributing to the resource definition for metallurgical testing.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed
  • QP/CP Signed
  • Moderate Grade (0.11% eU3O8)

Negative factors

  • Metal Equivalent Opaque

Evidence · table

“0.11”

Context: 253.6

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 2.5

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

RLB-83 2026 BCebolleta · uraniumGrade: 0.15Grade Unit: %Intercept: 5.1 mView all details
Link to this fact

Identity

Hole ID
RLB-83 2026 B
Project
Cebolleta
Commodity
uranium
Region
mexico
Reported Region
mexico
Ticker
PUR

Geometry

Grade
0.15
Grade Unit
%
Intercept
5.1 m
True Width
5.1 m
From
70.8 m
To
75.9 m
Intercept Depth
70.8 m

Classification

Program
resource
Sample Type
drill
Group ID
RLB-83 2026 B:70.8-75.9

Location

Latitude
35.168719
Longitude
-107.314534
Dip
-90 °
Loc. Confidence
high
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
0.06
Cutoff Unit
% eU3O8

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-07-13T00:00:00.000Z

Reasoning: This new drill intercept shows a moderate uranium grade over a moderate width, with true width disclosed and robust QA/QC, contributing to the resource definition for metallurgical testing.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed
  • QP/CP Signed
  • Moderate Grade (0.15% eU3O8)

Negative factors

  • Metal Equivalent Opaque

Evidence · table

“0.15”

Context: RLB-83 2026 B

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 5.1

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

RLB-83 2026 BCebolleta · uraniumGrade: 0.11Grade Unit: %Intercept: 2.2 mView all details
Link to this fact

Identity

Hole ID
RLB-83 2026 B
Project
Cebolleta
Commodity
uranium
Region
mexico
Reported Region
mexico
Ticker
PUR

Geometry

Grade
0.11
Grade Unit
%
Intercept
2.2 m
True Width
2.2 m
From
77.4 m
To
79.6 m
Intercept Depth
70.8 m

Classification

Program
resource
Sample Type
drill
Group ID
RLB-83 2026 B:77.4-79.6

Location

Latitude
35.168719
Longitude
-107.314534
Dip
-90 °
Loc. Confidence
high
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
0.06
Cutoff Unit
% eU3O8

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-07-13T00:00:00.000Z

Reasoning: This new drill intercept shows a moderate uranium grade over a narrow width, with true width disclosed and robust QA/QC, contributing to the resource definition for metallurgical testing.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed
  • QP/CP Signed
  • Moderate Grade (0.11% eU3O8)

Negative factors

  • Metal Equivalent Opaque

Evidence · table

“0.11”

Context: 253.8

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 2.2

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

RLB-83 2026 FCebolleta · uraniumGrade: 0.13Grade Unit: %Intercept: 5.3 mView all details
Link to this fact

Identity

Hole ID
RLB-83 2026 F
Project
Cebolleta
Commodity
uranium
Region
mexico
Reported Region
mexico
Ticker
PUR

Geometry

Grade
0.13
Grade Unit
%
Intercept
5.3 m
True Width
5.3 m
From
70.7 m
To
76 m
Intercept Depth
70.7 m

Classification

Program
resource
Sample Type
drill
Group ID
RLB-83 2026 F:70.7-76

Location

Latitude
35.168722
Longitude
-107.314553
Dip
-90 °
Loc. Confidence
high
Loc. Source
document

QA/QC

QA/QC Disclosed
Yes
QP Signed
Yes
QA/QC Methods
standards

Deleterious

Deleterious Flag
No

Metal Equivalent

Assumptions Disclosed
No

Compositing

Cutoff Grade
0.06
Cutoff Unit
% eU3O8

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-07-13T00:00:00.000Z

Reasoning: This new drill intercept shows a moderate uranium grade over a moderate width, with true width disclosed and robust QA/QC, contributing to the resource definition for metallurgical testing.

Positive factors

  • True Width Disclosed
  • QA/QC Disclosed
  • QP/CP Signed
  • Moderate Grade (0.13% eU3O8)

Negative factors

  • Metal Equivalent Opaque

Evidence · table

“0.13”

Context: RLB-83 2026 F

Tags used in scoring

True Width Disclosedpositive

Actual thickness perpendicular to structure is stated, not just downhole length.

Why it applies: true_width_m is 5.3

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

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: drill_program_type is "resource"

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.