Midland, in Partnership with Rio Tinto Exploration Canada, Intersects New Lithium and Cesium Bearing Pegmatites During the 2025 Drilling Program on the Galinée Project

Original announcement by tmx on

Company
Midland Exploration Inc.
Ticker
MD
Exchange
TSX
Region
Quebec
Primary commodity
Lithium
Secondary commodities
Cesium, Gold
Document categories
Drill results
Extracted
2026-08-21 22:53:13 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Midland Exploration, in partnership with Rio Tinto Exploration Canada, announced new high-grade lithium and cesium intercepts from its 2025 drilling program on the Galinée project. Key results include 1.77% Li2O over 18.4 metres and 9.15% Cs2O over 6.4 metres, along with new gold mineralization. The program successfully identified new pegmatites and extended known mineralization, with all assay results received.

Reasoning: Midland Exploration, in partnership with Rio Tinto, announced high-grade lithium and bonanza-grade cesium intercepts over significant widths, along with new gold mineralization, indicating strong exploration success and potential for resource expansion on the Galinée project. The results demonstrate high novelty with new discoveries and extensions.

Positive factors

  • high_grade_intercepts
  • significant_widths
  • new_mineralization_discovery
  • partnership_with_major
  • qaqc_disclosed
  • qp_signed

Negative factors

  • apparent_width_only

Facts used in scoring: 13

Atlas analysis — Midland Exploration Inc.: Midland, in Partnership with Rio Tinto Exploration Canada, Intersects New Lithium and Cesium Bearing Pegmatites During the 2025 Drilling Program on the Galinée Project. 1.14 % Li2O over 30.6 m; 1.08 % Li2O over 17.1 m; 0.53 % Li2O over 22.9 m

Classification and evidence

Bonanza Interceptpositive

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

Why it applies: The intercept of 9.15% Cs2O over 6.4 metres in hole TLIB0006 is an exceptionally high grade for cesium.

Evidence · table

“9.15”

Context: 6.4

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 'The true thickness of mineralized intervals cannot be determined with the information currently available.'

Evidence · text

“The true thickness of mineralized intervals cannot be determined with the information currently available.”

QA/QC Disclosedpositive

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

Why it applies: The release includes a detailed 'Quality Control' section mentioning the insertion of blanks, duplicates, and standards, analysis by ALS Laboratories, and sign-off by a Qualified Person.

Evidence · text

“RTEC sampling protocols include the insertion of blanks, duplicates, and standards as such: Internal blanks were inserted at the beginning of every drill hole, or sample batch, and were inserted every 30 samples throughout. Field duplicates of ¼ cut drill cores were also inserted every 30 samples (with the parent sample immediately preceding). At least 1 CRM standard was inserted within every intersected pegmatite interval. CRM materials used included OREAS 750, OREAS 751, OREAS 753 and OREAS 999 for mineralized samples; OREAS 520 and OREAS 524 for unmineralized materials. All samples were prepared by ALS Laboratories in Thunder Bay using a preparation package whereby the entire sample is crushed to 70% less than 2-millimetre mesh size using a Boyd crusher and splitter combination. A one-kilogram split of crushed material is pulverized to better than 85% passing 75 microns mesh size. ALS internally sends all pulps to ALS Geochemistry in Vancouver for analysis. Pegmatite materials were analyzed by a multi-method analytical package: (1) ME-MS61L four acid digest and ICP-MS multicollector multi-element analysis, (2) ME-ICP06 lithium borate fusion whole rock analysis, and (3) ME-MS81 lithium borate fusion trace element analysis. All samples reporting >4500 ppm Li are reported by both a dilution method from the four-acid digest ME-MS61L and reanalyzed by Li-ICP82b sodium peroxide fusion and ICP-AES determination.”

Cut-off Disclosedpositive · Story-specific tag

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

Why it applies: The cut-off grades for compositing lithium and cesium intervals are clearly stated as 0.40% Li2O and 0.30% Cs2O respectively.

Evidence · text

“Composite intervals with pegmatites greater than 10 metres and 0.40% Li 2 O% cut-off grade”

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: The objectives of the drilling campaign included conducting 'step-outs throughout the property to test structural targets'.

Evidence · text

“conduct step-outs throughout the property to test structural targets”

Infill Drillingneutral

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: The drilling program aimed to 'follow up on 2024 intersections that were mainly outside the core of the main Iceberg area'.

Evidence · text

“follow up on 2024 intersections that were mainly outside the core of the main Iceberg area”

Nearology Playneutral

Value premise rests on proximity to a known deposit rather than own results.

Why it applies: The Galinée project is explicitly located 'approximately 5 kilometres east of the Adina lithium deposit held by Winsome Resources'.

Evidence · text

“The Galinée project is located approximately 5 kilometres east of the Adina lithium deposit held by Winsome Resources”

Extracted facts

Stored fact records: 13. Some facts used in scoring do not have a stored record.

Drill Results (13)

TLIB0030Galinée · lithiumGrade: 0.73Grade Unit: % Li2OIntercept: 16.3 mView all details
Link to this fact

Identity

Hole ID
TLIB0030
Project
Galinée
Commodity
lithium
Region
canada_qc
Reported Region
Quebec
Ticker
MD

Geometry

Grade
0.73
Grade Unit
% Li2O
Intercept
16.3 m
From
27.6 m
To
43.9 m
Hole Depth
201 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
TLIB0030:27.6-43.9
Mining Method
open_pit

Location

Easting
677032
Northing
5909178
CRS
UTM zone 18, NAD83
Azimuth
30 °
Dip
-60 °
Loc. Confidence
high

QA/QC

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

Compositing

Cutoff Grade
0.4
Cutoff Unit
% Li2O
Dilution Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-08T00:00:00.000Z

Reasoning: Moderate grade lithium intercept over a good width from a newly identified pegmatite.

Positive factors

  • good_width
  • new_discovery

Negative factors

  • apparent_width_only

Evidence · table

“0.73”

Context: 16.3

TLIB0034Galinée · lithiumGrade: 1.08Grade Unit: % Li2OIntercept: 17.1 mView all details
Link to this fact

Identity

Hole ID
TLIB0034
Project
Galinée
Commodity
lithium
Region
canada_qc
Reported Region
Quebec
Ticker
MD

Geometry

Grade
1.08
Grade Unit
% Li2O
Intercept
17.1 m
From
47.6 m
To
64.7 m
Hole Depth
177 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
TLIB0034:47.6-64.7
Mining Method
open_pit

Location

Easting
677360
Northing
5909168
CRS
UTM zone 18, NAD83
Azimuth
21 °
Dip
-70 °
Loc. Confidence
high

QA/QC

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

Compositing

Cutoff Grade
0.4
Cutoff Unit
% Li2O
Dilution Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-08T00:00:00.000Z

Reasoning: Strong grade lithium intercept over a good width from a newly identified pegmatite.

Positive factors

  • strong_grade
  • good_width
  • new_discovery

Negative factors

  • apparent_width_only

Evidence · table

“1.08”

Context: 17.1

TLIB0044Galinée · lithiumGrade: 0.53Grade Unit: % Li2OIntercept: 22.9 mView all details
Link to this fact

Identity

Hole ID
TLIB0044
Project
Galinée
Commodity
lithium
Region
canada_qc
Reported Region
Quebec
Ticker
MD

Geometry

Grade
0.53
Grade Unit
% Li2O
Intercept
22.9 m
From
25.9 m
To
48.8 m
Hole Depth
83.82 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
TLIB0044:25.9-48.8
Mining Method
open_pit

Location

Easting
674698
Northing
5909075
CRS
UTM zone 18, NAD83
Azimuth
6 °
Dip
-90 °
Loc. Confidence
high

QA/QC

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

Compositing

Cutoff Grade
0.4
Cutoff Unit
% Li2O
Dilution Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-08T00:00:00.000Z

Reasoning: Weak-moderate grade lithium intercept over a good width from a newly identified pegmatite.

Positive factors

  • good_width
  • new_discovery

Negative factors

  • apparent_width_only

Evidence · table

“0.53”

Context: 22.9

TLIB0044Galinée · lithiumGrade: 1.26Grade Unit: % Li2OIntercept: 3.1 mView all details
Link to this fact

Identity

Hole ID
TLIB0044
Project
Galinée
Commodity
lithium
Region
canada_qc
Reported Region
Quebec
Ticker
MD

Geometry

Grade
1.26
Grade Unit
% Li2O
Intercept
3.1 m
From
25.9 m
To
29 m
Hole Depth
83.82 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
TLIB0044:25.9-29.0
Mining Method
open_pit

Location

Easting
674698
Northing
5909075
CRS
UTM zone 18, NAD83
Azimuth
6 °
Dip
-90 °
Loc. Confidence
high

QA/QC

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

Compositing

Cutoff Grade
0.4
Cutoff Unit
% Li2O
Dilution Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-08T00:00:00.000Z

Reasoning: Strong grade lithium sub-interval within a broader zone, from a newly identified pegmatite.

Positive factors

  • strong_grade
  • new_discovery

Negative factors

  • apparent_width_only
  • narrow_width

Evidence · table

“1.26”

Context: 3.1

TLIB0044Galinée · lithiumGrade: 1.09Grade Unit: % Li2OIntercept: 6.1 mView all details
Link to this fact

Identity

Hole ID
TLIB0044
Project
Galinée
Commodity
lithium
Region
canada_qc
Reported Region
Quebec
Ticker
MD

Geometry

Grade
1.09
Grade Unit
% Li2O
Intercept
6.1 m
From
32 m
To
38.1 m
Hole Depth
83.82 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
TLIB0044:32.0-38.1
Mining Method
open_pit

Location

Easting
674698
Northing
5909075
CRS
UTM zone 18, NAD83
Azimuth
6 °
Dip
-90 °
Loc. Confidence
high

QA/QC

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

Compositing

Cutoff Grade
0.4
Cutoff Unit
% Li2O
Dilution Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-08T00:00:00.000Z

Reasoning: Strong grade lithium sub-interval over a moderate width from a newly identified pegmatite.

Positive factors

  • strong_grade
  • moderate_width
  • new_discovery

Negative factors

  • apparent_width_only

Evidence · table

“1.09”

Context: 6.1

TLIB0051Galinée · lithiumGrade: 1.14Grade Unit: % Li2OIntercept: 30.6 mView all details
Link to this fact

Identity

Hole ID
TLIB0051
Project
Galinée
Commodity
lithium
Region
canada_qc
Reported Region
Quebec
Ticker
MD

Geometry

Grade
1.14
Grade Unit
% Li2O
Intercept
30.6 m
From
46.91 m
To
77.5 m
Hole Depth
264 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
TLIB0051:46.91-77.5
Mining Method
open_pit

Location

Easting
674399
Northing
5909071
CRS
UTM zone 18, NAD83
Azimuth
8 °
Dip
-70 °
Loc. Confidence
high

QA/QC

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

Compositing

Cutoff Grade
0.4
Cutoff Unit
% Li2O
Dilution Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-08T00:00:00.000Z

Reasoning: Strong grade lithium intercept over a very good width from a newly identified pegmatite.

Positive factors

  • strong_grade
  • very_good_width
  • new_discovery

Negative factors

  • apparent_width_only

Evidence · table

“1.14”

Context: 30.6

TLIB0051Galinée · lithiumGrade: 1.77Grade Unit: % Li2OIntercept: 18.4 mView all details
Link to this fact

Identity

Hole ID
TLIB0051
Project
Galinée
Commodity
lithium
Region
canada_qc
Reported Region
Quebec
Ticker
MD

Geometry

Grade
1.77
Grade Unit
% Li2O
Intercept
18.4 m
From
46.91 m
To
65.3 m
Hole Depth
264 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
TLIB0051:46.91-65.3
Mining Method
open_pit

Location

Easting
674399
Northing
5909071
CRS
UTM zone 18, NAD83
Azimuth
8 °
Dip
-70 °
Loc. Confidence
high

QA/QC

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

Compositing

Cutoff Grade
0.4
Cutoff Unit
% Li2O
Dilution Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-08T00:00:00.000Z

Reasoning: Exceptional grade lithium sub-interval over a good width from a newly identified pegmatite.

Positive factors

  • exceptional_grade
  • good_width
  • new_discovery

Negative factors

  • apparent_width_only

Evidence · table

“1.77”

Context: 18.4

TLIB0006Galinée · cesiumGrade: 9.15Grade Unit: % Cs2OIntercept: 6.4 mView all details
Link to this fact

Identity

Hole ID
TLIB0006
Project
Galinée
Commodity
cesium
Region
canada_qc
Reported Region
Quebec
Ticker
MD

Geometry

Grade
9.15
Grade Unit
% Cs2O
Intercept
6.4 m
From
188.6 m
To
195 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
TLIB0006:188.6-195.0
Mining Method
open_pit

Location

Loc. Confidence
high

QA/QC

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

Compositing

Cutoff Grade
0.3
Cutoff Unit
% Cs2O
Dilution Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-08T00:00:00.000Z

Reasoning: Bonanza grade cesium intercept over a moderate width, representing new mineralization.

Positive factors

  • bonanza_grade
  • moderate_width
  • new_discovery

Negative factors

  • apparent_width_only

Evidence · table

“9.15”

Context: 6.4

TLIB0015Galinée · cesiumGrade: 1.37Grade Unit: % Cs2OIntercept: 3.9 mView all details
Link to this fact

Identity

Hole ID
TLIB0015
Project
Galinée
Commodity
cesium
Region
canada_qc
Reported Region
Quebec
Ticker
MD

Geometry

Grade
1.37
Grade Unit
% Cs2O
Intercept
3.9 m
From
46.8 m
To
50.7 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
TLIB0015:46.8-50.7
Mining Method
open_pit

Location

Loc. Confidence
high

QA/QC

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

Compositing

Cutoff Grade
0.3
Cutoff Unit
% Cs2O
Dilution Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-08T00:00:00.000Z

Reasoning: Strong grade cesium intercept over a narrow width, representing new mineralization.

Positive factors

  • strong_grade
  • new_discovery

Negative factors

  • apparent_width_only
  • narrow_width

Evidence · table

“1.37”

Context: 3.9

TLIB0030Galinée · cesiumGrade: 0.52Grade Unit: % Cs2OIntercept: 9.1 mView all details
Link to this fact

Identity

Hole ID
TLIB0030
Project
Galinée
Commodity
cesium
Region
canada_qc
Reported Region
Quebec
Ticker
MD

Geometry

Grade
0.52
Grade Unit
% Cs2O
Intercept
9.1 m
From
34.8 m
To
43.9 m
Hole Depth
201 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
TLIB0030:34.8-43.9
Mining Method
open_pit

Location

Easting
677032
Northing
5909178
CRS
UTM zone 18, NAD83
Azimuth
30 °
Dip
-60 °
Loc. Confidence
high

QA/QC

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

Compositing

Cutoff Grade
0.3
Cutoff Unit
% Cs2O
Dilution Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-08T00:00:00.000Z

Reasoning: Moderate grade cesium intercept over a moderate width, representing new mineralization.

Positive factors

  • moderate_grade
  • moderate_width
  • new_discovery

Negative factors

  • apparent_width_only

Evidence · table

“0.52”

Context: 9.1

TLIB0044Galinée · cesiumGrade: 1.89Grade Unit: % Cs2OIntercept: 12.2 mView all details
Link to this fact

Identity

Hole ID
TLIB0044
Project
Galinée
Commodity
cesium
Region
canada_qc
Reported Region
Quebec
Ticker
MD

Geometry

Grade
1.89
Grade Unit
% Cs2O
Intercept
12.2 m
From
38.1 m
To
50.3 m
Hole Depth
83.82 m

Classification

Deposit Type
other
Program
mixed
Sample Type
drill
Group ID
TLIB0044:38.1-50.3
Mining Method
open_pit

Location

Easting
674698
Northing
5909075
CRS
UTM zone 18, NAD83
Azimuth
6 °
Dip
-90 °
Loc. Confidence
high

QA/QC

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

Compositing

Cutoff Grade
0.3
Cutoff Unit
% Cs2O
Dilution Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-08T00:00:00.000Z

Reasoning: Strong grade cesium intercept over a good width, representing new mineralization.

Positive factors

  • strong_grade
  • good_width
  • new_discovery

Negative factors

  • apparent_width_only

Evidence · table

“1.89”

Context: 12.2

TLIB0049Galinée · goldGrade: 8.8Grade Unit: g/tIntercept: 1.03 mView all details
Link to this fact

Identity

Hole ID
TLIB0049
Project
Galinée
Commodity
gold
Region
canada_qc
Reported Region
Quebec
Ticker
MD

Geometry

Grade
8.8
Grade Unit
g/t
Intercept
1.03 m
Hole Depth
210.65 m

Classification

Program
mixed
Sample Type
drill
Mining Method
unknown

Location

Easting
680349
Northing
5908372
CRS
UTM zone 18, NAD83
Azimuth
228 °
Dip
-60 °
Loc. Confidence
high

QA/QC

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

Compositing

Dilution Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-08T00:00:00.000Z

Reasoning: Strong grade gold intercept over a very narrow width, representing new mineralization.

Positive factors

  • strong_grade
  • new_discovery

Negative factors

  • apparent_width_only
  • very_narrow_width

Evidence · text

“8.8 g/t Au over 1.03 metres (TLIB0049)”
TLIB0049Galinée · goldGrade: 3.3Grade Unit: g/tIntercept: 0.68 mView all details
Link to this fact

Identity

Hole ID
TLIB0049
Project
Galinée
Commodity
gold
Region
canada_qc
Reported Region
Quebec
Ticker
MD

Geometry

Grade
3.3
Grade Unit
g/t
Intercept
0.68 m
Hole Depth
210.65 m

Classification

Program
mixed
Sample Type
drill
Mining Method
unknown

Location

Easting
680349
Northing
5908372
CRS
UTM zone 18, NAD83
Azimuth
228 °
Dip
-60 °
Loc. Confidence
high

QA/QC

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

Compositing

Dilution Disclosed
Yes

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-01-08T00:00:00.000Z

Reasoning: Moderate grade gold intercept over a very narrow width, representing new mineralization.

Positive factors

  • moderate_grade
  • new_discovery

Negative factors

  • apparent_width_only
  • very_narrow_width

Evidence · text

“3.3 g/t Au over 0.68 metres (TLIB0049)”

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.