F4 and UraniumX Hit Anomalous Radioactivity in 300 m Step Out Holes

Original announcement by tmx on

Company
F4 Uranium Corp
Ticker
FFU
Exchange
TSX
Region
Saskatchewan
Primary commodity
Uranium
Secondary commodities
Gold
Document categories
Drill results
Extracted
2026-09-12 03:27:29 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

F4 Uranium Corp reported anomalous radioactivity in two step-out drillholes (ML26-017 and ML26-018) at the Murphy Lake project, extending the mineralized corridor by 300m along strike. The holes also intersected a significant graphitic and sulphide-rich deformation zone with intense hydrothermal alteration.

Reasoning: The holes successfully extended the mineralized corridor by 300m along strike with anomalous radioactivity, though results are currently based on preliminary radiometric readings rather than final assays.

Positive factors

  • Step-out extension of mineralization along strike
  • Anomalous radioactivity detected in new holes
  • Strong structural and alteration indicators

Negative factors

  • Radiometric data is preliminary and not a substitute for chemical assay
  • True widths not yet determined

Facts used in scoring: 4

Classification and evidence

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: Holes ML26-017 and ML26-018 were drilled 300m along strike from previous holes.

Evidence · text

“300m along strike from the previously released drillholes”

QA/QC Disclosedpositive

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

Why it applies: Release mentions SRC Geoanalytical Laboratories (ISO/IEC 17025 accredited) and specific assay suites.

Evidence · text

“SRC Geoanalytical Laboratories (an SCC ISO/IEC 17025: 2005 Accredited Facility)”

Extracted facts

Stored fact records: 4. Some facts used in scoring do not have a stored record.

Drill Results (4)

ML26-017Murphy Lake North · uraniumGrade: 460Grade Unit: cpsIntercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
ML26-017
Project
Murphy Lake North
Commodity
uranium
Region
canada_sk
Reported Region
canada_sk
Ticker
FFU

Geometry

Grade
460
Grade Unit
cps
Intercept
0.5 m
From
386 m
To
386.5 m
Intercept Depth
386 m

Classification

Program
exploration
Sample Type
drill
Group ID
ML26-017:386-386.5

QA/QC

QP Signed
Yes
QA/QC Methods
standards

Compositing

Dilution Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-09T00:00:00.000Z

Reasoning: Handheld spectrometer reading of 460 cps is anomalous (>300 cps threshold) and indicates potential uranium mineralization.

Positive factors

  • Anomalous radioactivity detected in step-out hole

Negative factors

  • Preliminary radiometric data

Evidence · table

“460”

Context: 0.50

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

ML26-017Murphy Lake North · uraniumGrade: 2217Grade Unit: cpsIntercept: 0.4 mView all details
Link to this fact

Identity

Hole ID
ML26-017
Project
Murphy Lake North
Commodity
uranium
Region
canada_sk
Reported Region
canada_sk
Ticker
FFU

Geometry

Grade
2217
Grade Unit
cps
Intercept
0.4 m
From
385.2 m
To
385.6 m
Intercept Depth
385.2 m

Classification

Program
exploration
Sample Type
drill
Group ID
ML26-017:385.2-385.6

QA/QC

QP Signed
Yes
QA/QC Methods
standards

Compositing

Dilution Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-09T00:00:00.000Z

Reasoning: Downhole gamma peak of 2,217 cps is significantly above the 500 cps anomalous threshold.

Positive factors

  • High peak downhole gamma reading

Negative factors

  • Preliminary radiometric data

Evidence · text

“peaking at 2,217 cps”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

ML26-018Murphy Lake North · uraniumGrade: 350Grade Unit: cpsIntercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
ML26-018
Project
Murphy Lake North
Commodity
uranium
Region
canada_sk
Reported Region
canada_sk
Ticker
FFU

Geometry

Grade
350
Grade Unit
cps
Intercept
0.5 m
From
347 m
To
347.5 m
Intercept Depth
347 m

Classification

Program
exploration
Sample Type
drill
Group ID
ML26-018:347-347.5

QA/QC

QP Signed
Yes
QA/QC Methods
standards

Compositing

Dilution Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-09T00:00:00.000Z

Reasoning: Handheld spectrometer reading of 350 cps is anomalous (>300 cps threshold).

Positive factors

  • Anomalous radioactivity detected in step-out hole

Negative factors

  • Preliminary radiometric data

Evidence · table

“350”

Context: 0.50

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

ML26-018Murphy Lake North · uraniumGrade: 1097.5Grade Unit: cpsIntercept: 6.6 mView all details
Link to this fact

Identity

Hole ID
ML26-018
Project
Murphy Lake North
Commodity
uranium
Region
canada_sk
Reported Region
canada_sk
Ticker
FFU

Geometry

Grade
1097.5
Grade Unit
cps
Intercept
6.6 m
From
343.4 m
To
350 m
Intercept Depth
343.4 m

Classification

Program
exploration
Sample Type
drill
Group ID
ML26-018:343.4-350

QA/QC

QP Signed
Yes
QA/QC Methods
standards

Compositing

Dilution Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-06-09T00:00:00.000Z

Reasoning: Downhole gamma peak of 1,097.5 cps over 6.6 m is strongly anomalous.

Positive factors

  • Significant width of anomalous downhole gamma

Negative factors

  • Preliminary radiometric data

Evidence · text

“peaking at 1,097.5 cps”

Tags used in scoring

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: qaqc_disclosed is not true

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

How Atlas produces this analysis

Minestarters Atlas uses automated extraction to summarize mining announcements, identify reported measurements, and classify supporting evidence. Sentiment reflects the extracted narrative and classification rules; it is an interpretation, not a reported measurement. Evidence quotes and context are provided where available. Missing data, low-confidence results, and review flags indicate limitations. Check the original publisher announcement before relying on an interpretation.