Assay Results confirm Be and Nb-Ta Oxide-bearing Pegmatites on Tearlach's Georgina Properties

Original announcement by tmx on

Company
Tearlach Resources Limited
Ticker
TEA
Exchange
TSX
Region
Ontario
Primary commodity
Lithium
Secondary commodities
Beryllium, Niobium, Tantalum, Rubidium, Cesium
Document categories
Drill results
Extracted
2026-08-21 11:17:53 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Tearlach Resources has confirmed the presence of lithium indicator minerals, including beryl and Nb-Ta-oxides, at the Georgina Properties in Ontario. High-grade assays from grab samples suggest strong potential for nearby spodumene-hosted lithium mineralization.

Reasoning: The announcement reports high-grade indicator minerals (Be, Ta, Nb) in grab samples, which strongly suggests nearby spodumene mineralization, though no actual lithium-bearing spodumene has been assayed yet.

Positive factors

  • Discovery of key lithium indicator minerals (beryl, Nb-Ta-oxides)
  • High-grade beryllium and tantalum in mineral samples
  • QA/QC disclosed with ISO 17025 accredited lab
  • QP sign-off provided

Facts used in scoring: 9

Classification and evidence

QA/QC Disclosedpositive

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

Why it applies: Release mentions Actlabs as an ISO 17025 accredited laboratory and states that standards, blanks, pulp duplicates, and prep duplicates were inserted.

Evidence · text

“Actlabs, Ancaster analytical lab which is an ISO 17025 accredited laboratory. Actlabs inserted standards, blanks, pulp duplicates and prep duplicates into the sample stream.”

QP/CP Signedpositive · Story-specific tag

Qualified Person (QP) or Competent Person (CP) named and signed off — a member of a recognized professional association (e.g., AusIMM, SME, AIG, P.Geo) with relevant experience.

Why it applies: Julie Selway, Ph.D., P.Geo. is named as the Qualified Person (QP) supervising the technical information.

Evidence · text

“Qualified Person : Julie Selway, Ph.D., P.Geo. supervised the preparation of the scientific and technical information”

Extracted facts

Stored fact records: 9. Some facts used in scoring do not have a stored record.

Drill Results (9)

Fact 1lithiumGrade: 0.62Grade Unit: % Li2OView all details
Link to this fact

Identity

Commodity
lithium
Ticker
TEA

Geometry

Grade
0.62
Grade Unit
% Li2O

Classification

Sample Type
surface
Group ID
889653:0-0

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2023-10-13T00:00:00.000Z

Reasoning: 0.62% Li2O in muscovite is a strong indicator for pegmatite systems.

Positive factors

  • Presence of lithium indicator minerals

Evidence · text

“0.62 % Li O, 5030 ppm Rb, 1880 ppm Cs and 122 ppm Ta in green muscovite pod sample 889653”
Fact 2rubidiumGrade: 5030Grade Unit: ppmView all details
Link to this fact

Identity

Commodity
rubidium
Ticker
TEA

Geometry

Grade
5030
Grade Unit
ppm

Classification

Sample Type
surface
Group ID
889653:0-0

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2023-10-13T00:00:00.000Z

Reasoning: High Rb is characteristic of rare-element pegmatites.

Positive factors

  • High Rb content in indicator mineral

Evidence · text

“5030 ppm Rb”
Fact 3cesiumGrade: 1880Grade Unit: ppmView all details
Link to this fact

Identity

Commodity
cesium
Ticker
TEA

Geometry

Grade
1880
Grade Unit
ppm

Classification

Sample Type
surface
Group ID
889653:0-0

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2023-10-13T00:00:00.000Z

Reasoning: High Cs is characteristic of rare-element pegmatites.

Positive factors

  • High Cs content in indicator mineral

Evidence · text

“1880 ppm Cs”
Fact 4tantalumGrade: 122Grade Unit: ppmView all details
Link to this fact

Identity

Commodity
tantalum
Ticker
TEA

Geometry

Grade
122
Grade Unit
ppm

Classification

Sample Type
surface
Group ID
889653:0-0

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2023-10-13T00:00:00.000Z

Reasoning: Ta presence supports the rare-element pegmatite model.

Positive factors

  • Presence of Ta in indicator mineral

Evidence · text

“122 ppm Ta in green muscovite pod sample 889653”
Fact 5berylliumGrade: 10.43Grade Unit: % BeOView all details
Link to this fact

Identity

Commodity
beryllium
Ticker
TEA

Geometry

Grade
10.43
Grade Unit
% BeO

Classification

Sample Type
surface
Group ID
889539:0-0

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2023-10-13T00:00:00.000Z

Reasoning: 10.43% BeO is a very high grade for a beryl sample.

Positive factors

  • Exceptional BeO grade in beryl

Evidence · text

“10.43 % BeO, 904 ppm Cs and 0.22 % Li O in pure pale green beryl sample 889539”
Fact 6cesiumGrade: 904Grade Unit: ppmView all details
Link to this fact

Identity

Commodity
cesium
Ticker
TEA

Geometry

Grade
904
Grade Unit
ppm

Classification

Sample Type
surface
Group ID
889539:0-0

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2023-10-13T00:00:00.000Z

Reasoning: High Cs in beryl supports rare-element pegmatite classification.

Positive factors

  • High Cs content

Evidence · text

“904 ppm Cs”
Fact 7lithiumGrade: 0.22Grade Unit: % Li2OView all details
Link to this fact

Identity

Commodity
lithium
Ticker
TEA

Geometry

Grade
0.22
Grade Unit
% Li2O

Classification

Sample Type
surface
Group ID
889539:0-0

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2023-10-13T00:00:00.000Z

Reasoning: Li in beryl is a key indicator for spodumene proximity.

Positive factors

  • Presence of Li in beryl

Evidence · text

“0.22 % Li O in pure pale green beryl sample 889539”
Fact 8tantalumGrade: 3.31Grade Unit: % TaView all details
Link to this fact

Identity

Commodity
tantalum
Ticker
TEA

Geometry

Grade
3.31
Grade Unit
% Ta

Classification

Sample Type
surface
Group ID
889654:0-0

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2023-10-13T00:00:00.000Z

Reasoning: 3.31% Ta in an oxide mineral is a significant indicator of Nb-Ta pegmatite potential.

Positive factors

  • High Ta grade in oxide mineral

Evidence · text

“3.31 % Ta , 12.50 % Nb in pure black Nb-Ta-oxide mineral sample 889654”
Fact 9niobiumGrade: 12.5Grade Unit: % NbView all details
Link to this fact

Identity

Commodity
niobium
Ticker
TEA

Geometry

Grade
12.5
Grade Unit
% Nb

Classification

Sample Type
surface
Group ID
889654:0-0

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2023-10-13T00:00:00.000Z

Reasoning: 12.5% Nb is a very high grade for Nb-Ta oxide minerals.

Positive factors

  • High Nb grade in oxide mineral

Evidence · text

“12.50 % Nb in pure black Nb-Ta-oxide mineral sample 889654”

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.