Ophir Expands High-Grade Cesium Zone at Depth with 0.92% Cs2O over 1.0 m at the HW3 Pegmatite, Pilipas Property, Quebec

Original announcement by tmx on

Company
Ophir Metals Corp.
Ticker
OPHR
Exchange
TSX
Region
Quebec
Primary commodity
Cesium
Secondary commodities
Lithium, Tantalum
Document categories
Drill results, Other
Extracted
2026-09-18 15:14:35 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Ophir Metals Corp. has reported high-grade cesium intercepts from its 2025 drill program at the Pilipas Property in Quebec, including 0.92% Cs2O over 1.0 m at the HW3 Pegmatite. The results confirm the presence of cesium mineralization at depth and highlight the multi-commodity potential of the project for lithium and tantalum.

Reasoning: The announcement reports significant high-grade cesium intercepts at depth, confirming the extension of mineralization from surface samples and demonstrating a highly fractionated LCT-style pegmatite system.

Positive factors

  • High-grade cesium intercept (0.92% Cs2O)
  • Multi-commodity potential (Cs, Li, Ta)
  • Confirmation of mineralization at depth
  • Strong QA/QC disclosure

Facts used in scoring: 7

Classification and evidence

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: Drilling confirmed cesium mineralization at depth, extending from surface expression.

Evidence · text

“confirmed cesium mineralization grading nearly 1% over one meter in the subsurface.”

QA/QC Disclosedpositive

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

Why it applies: Release includes detailed QA/QC protocols, including standards, blanks, and duplicates, with SGS Canada as the lab.

Evidence · text

“A Quality Assurance/Quality Control protocol was incorporated into the program and included the insertion of certified reference materials and silica blanks”

Bonanza Interceptpositive

Exceptionally high-grade zone, well above the deposit-type norm.

Why it applies: 0.92% Cs2O is exceptionally high for cesium in a pegmatite context.

Evidence · text

“1.0 m at 0.92% Cs 2 O”

Extracted facts

Stored fact records: 7. Some facts used in scoring do not have a stored record.

Drill Results (7)

PLP25-027Pilipas · cesiumGrade: 0.92Grade Unit: %Intercept: 1 mView all details
Link to this fact

Identity

Hole ID
PLP25-027
Project
Pilipas
Commodity
cesium
Region
canada_qc
Reported Region
canada_qc
Ticker
OPHR

Geometry

Grade
0.92
Grade Unit
%
Intercept
1 m

Classification

Sample Type
drill
Group ID
PLP25-027:0-0

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-08-27T00:00:00.000Z

Reasoning: High grade cesium intercept confirming mineralization at depth.

Positive factors

  • High grade intercept

Evidence · text

“1.0 m at 0.92% Cs 2 O from drillhole PLP25-027”

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

PLP25-027Pilipas · cesiumGrade: 0.41Grade Unit: %Intercept: 2.5 mView all details
Link to this fact

Identity

Hole ID
PLP25-027
Project
Pilipas
Commodity
cesium
Region
canada_qc
Reported Region
canada_qc
Ticker
OPHR

Geometry

Grade
0.41
Grade Unit
%
Intercept
2.5 m

Classification

Sample Type
drill
Group ID
PLP25-027:0-0

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-08-27T00:00:00.000Z

Reasoning: Larger intercept containing the high-grade zone.

Positive factors

  • Significant width

Evidence · text

“2.5 m at 0.41% Cs 2 O, including 1.0 m at 0.92% Cs 2 O from drillhole PLP25-027”

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

PLP25-028Pilipas · cesiumGrade: 0.26Grade Unit: %Intercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
PLP25-028
Project
Pilipas
Commodity
cesium
Region
canada_qc
Reported Region
canada_qc
Ticker
OPHR

Geometry

Grade
0.26
Grade Unit
%
Intercept
0.5 m

Classification

Sample Type
drill
Group ID
PLP25-028:0-0

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-08-27T00:00:00.000Z

Reasoning: Narrow but anomalous intercept.

Positive factors

  • Anomalous grade

Evidence · text

“0.5 m at 0.26% Cs 2 O within pegmatite interval in drillhole PLP25-028”

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

PLP25-025Pilipas · cesiumGrade: 0.46Grade Unit: %Intercept: 1.5 mView all details
Link to this fact

Identity

Hole ID
PLP25-025
Project
Pilipas
Commodity
cesium
Region
canada_qc
Reported Region
canada_qc
Ticker
OPHR

Geometry

Grade
0.46
Grade Unit
%
Intercept
1.5 m

Classification

Sample Type
drill
Group ID
PLP25-025:0-0

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-08-27T00:00:00.000Z

Reasoning: Anomalous grade on margin of pegmatite.

Positive factors

  • Anomalous grade

Evidence · text

“1.5 m at 0.46% Cs 2 O ... from drillhole PLP25-025”

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

PLP25-037Pilipas · cesiumGrade: 0.21Grade Unit: %Intercept: 1.4 mView all details
Link to this fact

Identity

Hole ID
PLP25-037
Project
Pilipas
Commodity
cesium
Region
canada_qc
Reported Region
canada_qc
Ticker
OPHR

Geometry

Grade
0.21
Grade Unit
%
Intercept
1.4 m

Classification

Sample Type
drill
Group ID
PLP25-037:0-0

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-08-27T00:00:00.000Z

Reasoning: Anomalous grade on margin of pegmatite.

Positive factors

  • Anomalous grade

Evidence · text

“1.4 m at 0.21% Cs 2 O within basalt samples on margin of pegmatite dykes from drillhole ... PLP25-037”

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

PLP25-032Pilipas · tantalumGrade: 375Grade Unit: ppm Ta 2 O 5Intercept: 3.8 mView all details
Link to this fact

Identity

Hole ID
PLP25-032
Project
Pilipas
Commodity
tantalum
Region
canada_qc
Reported Region
canada_qc
Ticker
OPHR

Geometry

Grade
375
Grade Unit
ppm Ta 2 O 5
Intercept
3.8 m

Classification

Sample Type
drill
Group ID
PLP25-032:0-0

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-08-27T00:00:00.000Z

Reasoning: Strong tantalum anomaly.

Positive factors

  • Anomalous tantalum

Evidence · text

“375 ppm Ta 2 O 5 over 3.8 m in drillhole PLP25-032”

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

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

PLP25-032Pilipas · tantalumGrade: 1248Grade Unit: ppm Ta 2 O 5Intercept: 0.5 mView all details
Link to this fact

Identity

Hole ID
PLP25-032
Project
Pilipas
Commodity
tantalum
Region
canada_qc
Reported Region
canada_qc
Ticker
OPHR

Geometry

Grade
1248
Grade Unit
ppm Ta 2 O 5
Intercept
0.5 m

Classification

Sample Type
drill
Group ID
PLP25-032:0-0

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2025-08-27T00:00:00.000Z

Reasoning: Peak tantalum grade reported.

Positive factors

  • High grade tantalum

Evidence · text

“peak of 1,248 ppm Ta₂O₅ over 0.5 m ... from drillhole PLP25-032”

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

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.