Radisson Announces Additional High-Grade Drill Results at O'Brien Including 23.37 g/t Au over 4.0 Metres and the Deepest Intercept to Date

Original announcement by tmx on

Company
Radisson Mining Resources Inc.
Ticker
RDS
Exchange
TSX
Region
Abitibi region of Québec
Primary commodity
Gold
Secondary commodities
None reported
Document categories
Drill results
Extracted
2026-09-16 19:01:44 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Radisson Mining Resources announced high-grade drill results from its O'Brien Gold Project in Quebec, including 23.37 g/t Au over 4.0 metres and a bonanza intercept of 60.60 g/t Au over 1.5 metres. The drilling successfully extended gold mineralization to a vertical depth of 1,620 metres, marking the deepest intercept to date and expanding the known footprint of the system. The ongoing 140,000-metre step-out program continues to demonstrate high success rates and continuity of mineralization.

Reasoning: The announcement reports high-grade and bonanza gold intercepts, significantly extending known mineralization at depth in multiple zones at the O'Brien Gold Project. The step-out drilling program has a high success rate, indicating strong continuity and potential for resource expansion. While true width is estimated, the overall results are very positive for exploration.

Positive factors

  • High-grade intercepts, including bonanza grades (60.60 g/t Au over 1.5m)
  • Significant step-out extensions of mineralization to greater depths (1,450m and 1,620m vertical depth)
  • 100% success rate in the OB-24-337 wedge drilling area, indicating good continuity
  • Multiple mineralized zones identified, suggesting broader potential
  • QA/QC procedures are disclosed, including certified labs and QP sign-off

Negative factors

  • True width is estimated to be 30-80% of core length, not explicitly stated for each intercept, leading to potential overstatement of width
  • Cut-off grades for compositing are not explicitly stated for each individual intercept in the detailed table, requiring inference from the general notes

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

Facts used in scoring: 3

Extracted facts

Stored fact records: 3. Some facts used in scoring do not have a stored record.

Drill Results (3)

OB-25-322W3O'Brien · goldGrade: 3.24Grade Unit: g/tIntercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
OB-25-322W3
Project
O'Brien
Commodity
gold
Region
canada_qc
Reported Region
canada_qc
Ticker
RDS

Geometry

Grade
3.24
Grade Unit
g/t
Intercept
1.5 m
From
1379.5 m
To
1381 m
Hole Depth
687 m
Intercept Depth
1379.5 m

Classification

Program
exploration
Sample Type
drill
Group ID
OB-25-322W3:1379.5-1381

Location

Location
Trend #1
Easting
694199
Northing
5345098
Azimuth
0 °
Dip
-85 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Laboratory Ltd and MSALABS
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Compositing

Cutoff Grade
1
Cutoff Unit
g/t Au

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-27T00:00:00.000Z

Reasoning: This intercept shows moderate grade over a narrow width, contributing to the overall understanding of the mineralized zone in the context of the step-out drilling program.

Positive factors

  • Part of a successful step-out program extending mineralization

Negative factors

  • True width not explicitly stated
  • Cut-off grade for this specific intercept not explicitly stated in table notes

Evidence · table

“3.24”

Context: 1.50

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

OB-25-322W3O'Brien · goldGrade: 2.48Grade Unit: g/tIntercept: 4.3 mView all details
Link to this fact

Identity

Hole ID
OB-25-322W3
Project
O'Brien
Commodity
gold
Region
canada_qc
Reported Region
canada_qc
Ticker
RDS

Geometry

Grade
2.48
Grade Unit
g/t
Intercept
4.3 m
From
1440.5 m
To
1444.8 m
Hole Depth
687 m
Intercept Depth
1440.5 m

Classification

Program
exploration
Sample Type
drill
Group ID
OB-25-322W3:1440.5-1444.8

Location

Location
Trend #1
Easting
694199
Northing
5345098
Azimuth
0 °
Dip
-85 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Laboratory Ltd and MSALABS
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Compositing

Cutoff Grade
1
Cutoff Unit
g/t Au

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-27T00:00:00.000Z

Reasoning: This intercept shows moderate grade over a narrow width, contributing to the overall understanding of the mineralized zone in the context of the step-out drilling program.

Positive factors

  • Part of a successful step-out program extending mineralization

Negative factors

  • True width not explicitly stated
  • Cut-off grade for this specific intercept not explicitly stated in table notes

Evidence · table

“2.48”

Context: 4.30

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

OB-25-322W3O'Brien · goldGrade: 5.31Grade Unit: g/tIntercept: 1.3 mView all details
Link to this fact

Identity

Hole ID
OB-25-322W3
Project
O'Brien
Commodity
gold
Region
canada_qc
Reported Region
canada_qc
Ticker
RDS

Geometry

Grade
5.31
Grade Unit
g/t
Intercept
1.3 m
From
1443.5 m
To
1444.8 m
Hole Depth
687 m
Intercept Depth
1443.5 m

Classification

Program
exploration
Sample Type
drill
Group ID
OB-25-322W3:1443.5-1444.8

Location

Location
Trend #1
Easting
694199
Northing
5345098
Azimuth
0 °
Dip
-85 °
Loc. Confidence
high
Loc. Source
document

QA/QC

Laboratory
ALS Laboratory Ltd and MSALABS
QA/QC Disclosed
Yes
Lab Certified
Yes
QP Signed
Yes
QA/QC Methods
standards, blanks, duplicates

Compositing

Cutoff Grade
3
Cutoff Unit
g/t Au

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-27T00:00:00.000Z

Reasoning: This high-grade intercept, though narrow, contributes positively to the overall results and confirms mineralization within the Trend #1 zone.

Positive factors

  • High-grade intercept within a broader zone
  • Part of a successful step-out program extending mineralization

Negative factors

  • True width not explicitly stated
  • Cut-off grade for this specific intercept not explicitly stated in table notes

Evidence · table

“5.31”

Context: 1.30

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

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.