GR8: Pilbara Soil Sampling Defines Priority Lithium Targets

Original announcement by asx on

Company
Great Dirt Resources
Ticker
GR8
Exchange
ASX
Region
Western Australia
Primary commodity
Lithium
Secondary commodities
Caesium, Rubidium
Document categories
Drill results, Other
Extracted
2026-10-20 23:15:52 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Great Dirt Resources has reported strong assay results from a systematic soil sampling program at its 100%-owned Pilbara Project, defining nine lithium-caesium-rubidium anomalies, including three Priority 1 targets. These targets exhibit geochemical signatures consistent with LCT pegmatites and are located in a similar geological setting to a nearby significant lithium discovery. The company plans infill soil sampling, geological mapping, heritage surveys, and first-pass drilling to advance these targets.

Reasoning: The soil sampling program successfully identified large, coherent lithium-caesium-rubidium anomalies, including three high-priority targets, which are geochemically consistent with LCT pegmatites and are located in a similar geological setting to a nearby significant lithium discovery, warranting follow-up drilling.

Positive factors

  • large_coherent_anomalies
  • geochemical_signature_consistent_with_lct_pegmatites
  • similar_setting_to_nearby_discovery
  • defines_priority_drill_targets
  • qp_signed
  • jorc_compliant
  • qaqc_disclosed
  • lab_certified

Negative factors

  • early_stage_soil_sampling
  • anomalies_under_cover_requires_drilling
  • aqua_regia_partial_digest

Facts used in scoring: 5

Extracted facts

Stored fact records: 5. Some facts used in scoring do not have a stored record.

Drill Results (5)

Fact 1Pilbara Project · lithiumGrade: 27.6Grade Unit: ppmView all details
Link to this fact

Identity

Project
Pilbara Project
Commodity
lithium
Region
australia_wa
Reported Region
Western Australia
Ticker
GR8

Geometry

Grade
27.6
Grade Unit
ppm

Classification

Program
exploration
Sample Type
surface

Location

Easting
720989
Northing
7710683
CRS
MGA94 Zone 50
EPSG
28350
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-20T00:00:00.000Z

Reasoning: This sample shows a background lithium grade (27.6 ppm Li2O) from surface soil sampling, representing new exploration results.

Positive factors

  • new_exploration_results
  • background_soil_value

Negative factors

  • surface_sample_not_drill_intercept
  • aqua_regia_partial_digest

Evidence · table

“27.6”

Context: GRS-6001

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

Nearology Playneutral

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

Why it applies: proximity is offered as the value premise: "HIGHLIGHTS • Assay results from soil samples (200m x 200m grid) have led to nine anomalies being defined, including thre"

Fact 2Pilbara Project · caesiumGrade: 2.19Grade Unit: ppmView all details
Link to this fact

Identity

Project
Pilbara Project
Commodity
caesium
Region
australia_wa
Reported Region
Western Australia
Ticker
GR8

Geometry

Grade
2.19
Grade Unit
ppm

Classification

Program
exploration
Sample Type
surface

Location

Easting
720989
Northing
7710683
CRS
MGA94 Zone 50
EPSG
28350
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-20T00:00:00.000Z

Reasoning: This sample shows a background caesium grade (2.19 ppm Cs) from surface soil sampling, representing new exploration results.

Positive factors

  • new_exploration_results
  • background_soil_value

Negative factors

  • surface_sample_not_drill_intercept
  • aqua_regia_partial_digest

Evidence · table

“2.19”

Context: GRS-6001

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

Nearology Playneutral

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

Why it applies: proximity is offered as the value premise: "HIGHLIGHTS • Assay results from soil samples (200m x 200m grid) have led to nine anomalies being defined, including thre"

Fact 3Pilbara Project · rubidiumGrade: 22.4Grade Unit: ppmView all details
Link to this fact

Identity

Project
Pilbara Project
Commodity
rubidium
Region
australia_wa
Reported Region
Western Australia
Ticker
GR8

Geometry

Grade
22.4
Grade Unit
ppm

Classification

Program
exploration
Sample Type
surface

Location

Easting
720989
Northing
7710683
CRS
MGA94 Zone 50
EPSG
28350
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-20T00:00:00.000Z

Reasoning: This sample shows a background rubidium grade (22.4 ppm Rb) from surface soil sampling, representing new exploration results.

Positive factors

  • new_exploration_results
  • background_soil_value

Negative factors

  • surface_sample_not_drill_intercept
  • aqua_regia_partial_digest

Evidence · table

“22.4”

Context: GRS-6001

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

Nearology Playneutral

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

Why it applies: proximity is offered as the value premise: "HIGHLIGHTS • Assay results from soil samples (200m x 200m grid) have led to nine anomalies being defined, including thre"

Fact 4Pilbara Project · lithiumGrade: 19.6Grade Unit: ppmView all details
Link to this fact

Identity

Project
Pilbara Project
Commodity
lithium
Region
australia_wa
Reported Region
Western Australia
Ticker
GR8

Geometry

Grade
19.6
Grade Unit
ppm

Classification

Program
exploration
Sample Type
surface

Location

Easting
720998
Northing
7710882
CRS
MGA94 Zone 50
EPSG
28350
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-20T00:00:00.000Z

Reasoning: This sample shows a background lithium grade (19.6 ppm Li2O) from surface soil sampling, representing new exploration results.

Positive factors

  • new_exploration_results
  • background_soil_value

Negative factors

  • surface_sample_not_drill_intercept
  • aqua_regia_partial_digest

Evidence · table

“19.6”

Context: GRS-6002

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

Nearology Playneutral

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

Why it applies: proximity is offered as the value premise: "HIGHLIGHTS • Assay results from soil samples (200m x 200m grid) have led to nine anomalies being defined, including thre"

Fact 5Pilbara Project · caesiumGrade: 1.66Grade Unit: ppmView all details
Link to this fact

Identity

Project
Pilbara Project
Commodity
caesium
Region
australia_wa
Reported Region
Western Australia
Ticker
GR8

Geometry

Grade
1.66
Grade Unit
ppm

Classification

Program
exploration
Sample Type
surface

Location

Easting
720998
Northing
7710882
CRS
MGA94 Zone 50
EPSG
28350
Loc. Confidence
high
Loc. Source
document

QA/QC

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

Review

Needs Review
No
Interp. Status
scored
Historical
No

Dates

Event date
2026-10-20T00:00:00.000Z

Reasoning: This sample shows a background caesium grade (1.66 ppm Cs) from surface soil sampling, representing new exploration results.

Positive factors

  • new_exploration_results
  • background_soil_value

Negative factors

  • surface_sample_not_drill_intercept
  • aqua_regia_partial_digest

Evidence · table

“1.66”

Context: GRS-6002

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

Nearology Playneutral

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

Why it applies: proximity is offered as the value premise: "HIGHLIGHTS • Assay results from soil samples (200m x 200m grid) have led to nine anomalies being defined, including thre"

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.