TR8: IP Results Increase Scale of Walparuta Copper-Gold System

Original announcement by asx on

Company
Tarrina Resources Limited
Ticker
TR8
Exchange
ASX
Region
South Australia
Primary commodity
Copper
Secondary commodities
Gold, Cobalt, Uranium, Rare earth elements
Document categories
Other, Drill results
Extracted
2026-10-21 23:25:59 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Tarrina Resources announced highly positive Induced Polarisation (IP) survey results from its Walparuta Copper-Gold Project in South Australia, confirming a large-scale IOCG system extending over 4-5 km of strike and to depths of 350-500m. The survey identified numerous strong chargeability anomalies, with several exceeding 70 mV/V, which correlate well with existing magnetic, gravity, and copper-gold soil anomalies, significantly upgrading the project's discovery potential. These integrated geophysical targets define multiple high-priority drill targets, and the company plans to commence its maiden drill campaign once approvals are received.

Reasoning: The Induced Polarisation (IP) survey results significantly expand the known footprint and confidence in the Walparuta IOCG system, defining multiple high-priority drill targets over a substantial strike length and depth, validated by multi-disciplinary data and historical drilling. This substantially de-risks and advances the project towards its maiden drill campaign.

Positive factors

  • IP survey confirms large-scale IOCG system over 4-5 km strike and 350-500m depth.
  • Multiple high-intensity chargeability anomalies (>42 mV/V, several >70 mV/V) indicative of significant sulphide mineralization.
  • IP results correlate strongly with copper-gold soil anomalism, magnetic, and gravity corridors, validating targeting.
  • Historical drilling results plot precisely on IP anomalies, providing geological proof of concept.
  • Defines multiple high-priority drill targets for upcoming maiden drill campaign.

Negative factors

  • No new drill results are reported in this announcement, only historical data.
  • Maiden drill campaign is still awaiting approvals, introducing timing uncertainty.
  • Historical drilling QA/QC and sampling details are limited and not systematically documented.

Facts used in scoring: 28

Classification and evidence

Step-Out Extensionpositive

Mineralization extended beyond the previously known limit.

Why it applies: The IP survey results significantly expand the footprint of sulphide-bearing targets and confirm a 4 km strike extension of potential sulphide mineralisation.

Evidence · text

“The new results significantly expand the footprint of sulphide‑bearing targets. Multiple high‑intensity anomalies are now confirmed along to the west and east of the historic mine and add to the multiple targets to be tested by our maiden drill campaign.”

Nearology Playneutral

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

Why it applies: The project is positioned in relation to known significant deposits in the region, such as Havilah Resources' Kalkaroo and Mutooroo deposits.

Evidence · text

“The region hosts several significant deposits, including Havilah Resources Kalkaroo and Mutooroo deposits, located approximately 50–80 km northeast and east of Walparuta.”

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 true widths of historical intersections were not determined and reported lengths are down-hole lengths.

Evidence · text

“True widths of intersections not determined. Reported lengths are down-hole lengths.”

No QA/QC Disclosurenegative

Release does not disclose QA/QC — lab certification, CP/QP sign-off and assay protocols cannot be checked from this document.

Why it applies: The JORC table for historical drilling indicates that QAQC procedures, including standards, blanks, and duplicates, were not systematically implemented or documented.

Evidence · text

“QAQC procedures: Standards, blanks, and duplicates not systematically implemented”

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: The document presents historical drill results from previous operators, not new assays from the current IP survey.

Evidence · text

“Historic copper-gold drill results, including 36.6 m at 0.37% Cu and 0.27 g/t Au and soil copper and gold anomalies, coincide with the IP chargeability anomalies at the historic Walparuta Cu-Au mine, validating the use of IP chargeability geophysics to explore the wider regional magnetic and gravity corridors”

Extracted facts

Stored fact records: 28. Some facts used in scoring do not have a stored record.

Drill Results (28)

Fact 1Walparuta · copperGrade: 0.23Grade Unit: %Intercept: 32 mHistorical resultNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Walparuta
Commodity
copper
Region
australia_sa
Reported Region
australia_sa
Ticker
TR8

Geometry

Grade
0.23
Grade Unit
%
Intercept
32 m
From
56 m
To
88 m
Intercept Depth
56 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Walparuta:56-88
Mining Method
unknown

Location

Loc. Confidence
low

QA/QC

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

Compositing

Cutoff Grade
0.1
Cutoff Unit
%
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: This historical intercept shows weak copper and very weak gold grades, but its correlation with new IP anomalies is positive for validating the targeting approach.

Positive factors

  • Intercept validates geophysical targeting.

Negative factors

  • Low copper grade for IOCG deposit type.
  • Very low gold grade.
  • Historical data with limited QA/QC documentation.
  • Apparent width only, true width not determined.

Evidence · text

“32.0 m @ 0.23 % Cu”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Fact 2Walparuta · goldGrade: 0.01Grade Unit: g/tIntercept: 32 mHistorical resultNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Walparuta
Commodity
gold
Region
australia_sa
Reported Region
australia_sa
Ticker
TR8

Geometry

Grade
0.01
Grade Unit
g/t
Intercept
32 m
From
56 m
To
88 m
Intercept Depth
56 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Walparuta:56-88
Mining Method
unknown

Location

Loc. Confidence
low

QA/QC

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

Compositing

Cutoff Grade
0.1
Cutoff Unit
%
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: This historical intercept shows weak copper and very weak gold grades, but its correlation with new IP anomalies is positive for validating the targeting approach.

Positive factors

  • Intercept validates geophysical targeting.

Negative factors

  • Low copper grade for IOCG deposit type.
  • Very low gold grade.
  • Historical data with limited QA/QC documentation.
  • Apparent width only, true width not determined.

Evidence · text

“0.01 g/t Au from 56.0 m”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Fact 3Walparuta · copperGrade: 0.48Grade Unit: %Intercept: 2 mHistorical resultNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Walparuta
Commodity
copper
Region
australia_sa
Reported Region
australia_sa
Ticker
TR8

Geometry

Grade
0.48
Grade Unit
%
Intercept
2 m
From
72 m
To
74 m
Intercept Depth
72 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Walparuta:72-74
Mining Method
unknown

Location

Loc. Confidence
low

QA/QC

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

Compositing

Cutoff Grade
0.1
Cutoff Unit
%
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: This historical intercept shows weak copper and very weak gold grades, but its correlation with new IP anomalies is positive for validating the targeting approach.

Positive factors

  • Intercept validates geophysical targeting.

Negative factors

  • Low copper grade for IOCG deposit type.
  • Very low gold grade.
  • Historical data with limited QA/QC documentation.
  • Apparent width only, true width not determined.

Evidence · text

“including 2.0 m @ 0.48 % Cu”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Fact 4Walparuta · goldGrade: 0.01Grade Unit: g/tIntercept: 2 mHistorical resultNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Walparuta
Commodity
gold
Region
australia_sa
Reported Region
australia_sa
Ticker
TR8

Geometry

Grade
0.01
Grade Unit
g/t
Intercept
2 m
From
72 m
To
74 m
Intercept Depth
72 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Walparuta:72-74
Mining Method
unknown

Location

Loc. Confidence
low

QA/QC

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

Compositing

Cutoff Grade
0.1
Cutoff Unit
%
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: This historical intercept shows weak copper and very weak gold grades, but its correlation with new IP anomalies is positive for validating the targeting approach.

Positive factors

  • Intercept validates geophysical targeting.

Negative factors

  • Low copper grade for IOCG deposit type.
  • Very low gold grade.
  • Historical data with limited QA/QC documentation.
  • Apparent width only, true width not determined.

Evidence · text

“0.01 g/t Au from 72.0 m”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Fact 5Walparuta · copperGrade: 0.44Grade Unit: %Intercept: 4 mHistorical resultNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Walparuta
Commodity
copper
Region
australia_sa
Reported Region
australia_sa
Ticker
TR8

Geometry

Grade
0.44
Grade Unit
%
Intercept
4 m
From
82 m
To
86 m
Intercept Depth
82 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Walparuta:82-86
Mining Method
unknown

Location

Loc. Confidence
low

QA/QC

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

Compositing

Cutoff Grade
0.1
Cutoff Unit
%
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: This historical intercept shows weak copper and very weak gold grades, but its correlation with new IP anomalies is positive for validating the targeting approach.

Positive factors

  • Intercept validates geophysical targeting.

Negative factors

  • Low copper grade for IOCG deposit type.
  • Very low gold grade.
  • Historical data with limited QA/QC documentation.
  • Apparent width only, true width not determined.

Evidence · text

“4.0 m @ 0.44 % Cu”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Fact 6Walparuta · goldGrade: 0.01Grade Unit: g/tIntercept: 4 mHistorical resultNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Walparuta
Commodity
gold
Region
australia_sa
Reported Region
australia_sa
Ticker
TR8

Geometry

Grade
0.01
Grade Unit
g/t
Intercept
4 m
From
82 m
To
86 m
Intercept Depth
82 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Walparuta:82-86
Mining Method
unknown

Location

Loc. Confidence
low

QA/QC

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

Compositing

Cutoff Grade
0.1
Cutoff Unit
%
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: This historical intercept shows weak copper and very weak gold grades, but its correlation with new IP anomalies is positive for validating the targeting approach.

Positive factors

  • Intercept validates geophysical targeting.

Negative factors

  • Low copper grade for IOCG deposit type.
  • Very low gold grade.
  • Historical data with limited QA/QC documentation.
  • Apparent width only, true width not determined.

Evidence · text

“0.01 g/t Au from 82.0 m”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Fact 7Walparuta · copperGrade: 0.26Grade Unit: %Intercept: 38.1 mHistorical resultNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Walparuta
Commodity
copper
Region
australia_sa
Reported Region
australia_sa
Ticker
TR8

Geometry

Grade
0.26
Grade Unit
%
Intercept
38.1 m
From
15.2 m
To
53.3 m
Intercept Depth
15.2 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Walparuta:15.2-53.3
Mining Method
unknown

Location

Loc. Confidence
low

QA/QC

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

Compositing

Cutoff Grade
0.1
Cutoff Unit
%
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: This historical intercept shows weak copper and low gold grades, but its correlation with new IP anomalies is positive for validating the targeting approach.

Positive factors

  • Intercept validates geophysical targeting.

Negative factors

  • Low copper grade for IOCG deposit type.
  • Low gold grade.
  • Historical data with limited QA/QC documentation.
  • Apparent width only, true width not determined.

Evidence · text

“38.1 m @ 0.26 % Cu”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Fact 8Walparuta · goldGrade: 0.31Grade Unit: g/tIntercept: 38.1 mHistorical resultNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Walparuta
Commodity
gold
Region
australia_sa
Reported Region
australia_sa
Ticker
TR8

Geometry

Grade
0.31
Grade Unit
g/t
Intercept
38.1 m
From
15.2 m
To
53.3 m
Intercept Depth
15.2 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Walparuta:15.2-53.3
Mining Method
unknown

Location

Loc. Confidence
low

QA/QC

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

Compositing

Cutoff Grade
0.1
Cutoff Unit
%
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: This historical intercept shows weak copper and low gold grades, but its correlation with new IP anomalies is positive for validating the targeting approach.

Positive factors

  • Intercept validates geophysical targeting.

Negative factors

  • Low copper grade for IOCG deposit type.
  • Low gold grade.
  • Historical data with limited QA/QC documentation.
  • Apparent width only, true width not determined.

Evidence · text

“0.31 g/t Au from 15.2 m”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Fact 9Walparuta · copperGrade: 0.41Grade Unit: %Intercept: 10.7 mHistorical resultNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Walparuta
Commodity
copper
Region
australia_sa
Reported Region
australia_sa
Ticker
TR8

Geometry

Grade
0.41
Grade Unit
%
Intercept
10.7 m
From
16.8 m
To
27.5 m
Intercept Depth
16.8 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Walparuta:16.8-27.5
Mining Method
unknown

Location

Loc. Confidence
low

QA/QC

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

Compositing

Cutoff Grade
0.1
Cutoff Unit
%
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: This historical intercept shows weak copper and low gold grades, but its correlation with new IP anomalies is positive for validating the targeting approach.

Positive factors

  • Intercept validates geophysical targeting.

Negative factors

  • Low copper grade for IOCG deposit type.
  • Low gold grade.
  • Historical data with limited QA/QC documentation.
  • Apparent width only, true width not determined.

Evidence · text

“including 10.7 m @ 0.41 % Cu”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Fact 10Walparuta · goldGrade: 0.46Grade Unit: g/tIntercept: 10.7 mHistorical resultNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Walparuta
Commodity
gold
Region
australia_sa
Reported Region
australia_sa
Ticker
TR8

Geometry

Grade
0.46
Grade Unit
g/t
Intercept
10.7 m
From
16.8 m
To
27.5 m
Intercept Depth
16.8 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Walparuta:16.8-27.5
Mining Method
unknown

Location

Loc. Confidence
low

QA/QC

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

Compositing

Cutoff Grade
0.1
Cutoff Unit
%
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: This historical intercept shows weak copper and low gold grades, but its correlation with new IP anomalies is positive for validating the targeting approach.

Positive factors

  • Intercept validates geophysical targeting.

Negative factors

  • Low copper grade for IOCG deposit type.
  • Low gold grade.
  • Historical data with limited QA/QC documentation.
  • Apparent width only, true width not determined.

Evidence · text

“0.46 g/t Au from 16.8 m”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Fact 11Walparuta · copperGrade: 0.37Grade Unit: %Intercept: 36.6 mHistorical resultNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Walparuta
Commodity
copper
Region
australia_sa
Reported Region
australia_sa
Ticker
TR8

Geometry

Grade
0.37
Grade Unit
%
Intercept
36.6 m
From
39.6 m
To
76.2 m
Intercept Depth
39.6 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Walparuta:39.6-76.2
Mining Method
unknown

Location

Loc. Confidence
low

QA/QC

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

Compositing

Cutoff Grade
0.1
Cutoff Unit
%
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: This historical intercept shows weak copper and low gold grades, but its correlation with new IP anomalies is positive for validating the targeting approach.

Positive factors

  • Intercept validates geophysical targeting.

Negative factors

  • Low copper grade for IOCG deposit type.
  • Low gold grade.
  • Historical data with limited QA/QC documentation.
  • Apparent width only, true width not determined.

Evidence · text

“36.6 m @ 0.37 % Cu”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Fact 12Walparuta · goldGrade: 0.27Grade Unit: g/tIntercept: 36.6 mHistorical resultNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Walparuta
Commodity
gold
Region
australia_sa
Reported Region
australia_sa
Ticker
TR8

Geometry

Grade
0.27
Grade Unit
g/t
Intercept
36.6 m
From
39.6 m
To
76.2 m
Intercept Depth
39.6 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Walparuta:39.6-76.2
Mining Method
unknown

Location

Loc. Confidence
low

QA/QC

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

Compositing

Cutoff Grade
0.1
Cutoff Unit
%
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: This historical intercept shows weak copper and low gold grades, but its correlation with new IP anomalies is positive for validating the targeting approach.

Positive factors

  • Intercept validates geophysical targeting.

Negative factors

  • Low copper grade for IOCG deposit type.
  • Low gold grade.
  • Historical data with limited QA/QC documentation.
  • Apparent width only, true width not determined.

Evidence · text

“0.27 g/t Au from 39.6 m”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Fact 13Walparuta · copperGrade: 0.8Grade Unit: %Intercept: 9.1 mHistorical resultNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Walparuta
Commodity
copper
Region
australia_sa
Reported Region
australia_sa
Ticker
TR8

Geometry

Grade
0.8
Grade Unit
%
Intercept
9.1 m
From
57.9 m
To
67 m
Intercept Depth
57.9 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Walparuta:57.9-67
Mining Method
unknown

Location

Loc. Confidence
low

QA/QC

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

Compositing

Cutoff Grade
0.1
Cutoff Unit
%
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: This historical intercept shows weak copper and low gold grades, but its correlation with new IP anomalies is positive for validating the targeting approach.

Positive factors

  • Intercept validates geophysical targeting.

Negative factors

  • Low copper grade for IOCG deposit type.
  • Low gold grade.
  • Historical data with limited QA/QC documentation.
  • Apparent width only, true width not determined.

Evidence · text

“including 9.1 m @ 0.80 % Cu”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Fact 14Walparuta · goldGrade: 0.53Grade Unit: g/tIntercept: 9.1 mHistorical resultNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Walparuta
Commodity
gold
Region
australia_sa
Reported Region
australia_sa
Ticker
TR8

Geometry

Grade
0.53
Grade Unit
g/t
Intercept
9.1 m
From
57.9 m
To
67 m
Intercept Depth
57.9 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Walparuta:57.9-67
Mining Method
unknown

Location

Loc. Confidence
low

QA/QC

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

Compositing

Cutoff Grade
0.1
Cutoff Unit
%
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: This historical intercept shows weak copper and low gold grades, but its correlation with new IP anomalies is positive for validating the targeting approach.

Positive factors

  • Intercept validates geophysical targeting.

Negative factors

  • Low copper grade for IOCG deposit type.
  • Low gold grade.
  • Historical data with limited QA/QC documentation.
  • Apparent width only, true width not determined.

Evidence · text

“0.53 g/t Au from 57.9 m”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Fact 15Walparuta · copperGrade: 0.44Grade Unit: %Intercept: 3.1 mHistorical resultNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Walparuta
Commodity
copper
Region
australia_sa
Reported Region
australia_sa
Ticker
TR8

Geometry

Grade
0.44
Grade Unit
%
Intercept
3.1 m
From
71.6 m
To
74.7 m
Intercept Depth
71.6 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Walparuta:71.6-74.7
Mining Method
unknown

Location

Loc. Confidence
low

QA/QC

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

Compositing

Cutoff Grade
0.1
Cutoff Unit
%
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: This historical intercept shows weak copper and low gold grades, but its correlation with new IP anomalies is positive for validating the targeting approach.

Positive factors

  • Intercept validates geophysical targeting.

Negative factors

  • Low copper grade for IOCG deposit type.
  • Low gold grade.
  • Historical data with limited QA/QC documentation.
  • Apparent width only, true width not determined.

Evidence · text

“3.1 m @ 0.44 % Cu”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Fact 16Walparuta · goldGrade: 0.25Grade Unit: g/tIntercept: 3.1 mHistorical resultNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Walparuta
Commodity
gold
Region
australia_sa
Reported Region
australia_sa
Ticker
TR8

Geometry

Grade
0.25
Grade Unit
g/t
Intercept
3.1 m
From
71.6 m
To
74.7 m
Intercept Depth
71.6 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Walparuta:71.6-74.7
Mining Method
unknown

Location

Loc. Confidence
low

QA/QC

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

Compositing

Cutoff Grade
0.1
Cutoff Unit
%
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: This historical intercept shows weak copper and low gold grades, but its correlation with new IP anomalies is positive for validating the targeting approach.

Positive factors

  • Intercept validates geophysical targeting.

Negative factors

  • Low copper grade for IOCG deposit type.
  • Low gold grade.
  • Historical data with limited QA/QC documentation.
  • Apparent width only, true width not determined.

Evidence · text

“0.25 g/t Au from 71.6 m”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Fact 17Walparuta · copperGrade: 0.19Grade Unit: %Intercept: 15.2 mHistorical resultNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Walparuta
Commodity
copper
Region
australia_sa
Reported Region
australia_sa
Ticker
TR8

Geometry

Grade
0.19
Grade Unit
%
Intercept
15.2 m
From
112.8 m
To
128 m
Intercept Depth
112.8 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Walparuta:112.8-128
Mining Method
unknown

Location

Loc. Confidence
low

QA/QC

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

Compositing

Cutoff Grade
0.1
Cutoff Unit
%
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: This historical intercept shows weak copper and low gold grades, but its correlation with new IP anomalies is positive for validating the targeting approach.

Positive factors

  • Intercept validates geophysical targeting.

Negative factors

  • Low copper grade for IOCG deposit type.
  • Low gold grade.
  • Historical data with limited QA/QC documentation.
  • Apparent width only, true width not determined.

Evidence · text

“15.2 m @ 0.19 % Cu”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Fact 18Walparuta · goldGrade: 0.27Grade Unit: g/tIntercept: 15.2 mHistorical resultNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Walparuta
Commodity
gold
Region
australia_sa
Reported Region
australia_sa
Ticker
TR8

Geometry

Grade
0.27
Grade Unit
g/t
Intercept
15.2 m
From
112.8 m
To
128 m
Intercept Depth
112.8 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Walparuta:112.8-128
Mining Method
unknown

Location

Loc. Confidence
low

QA/QC

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

Compositing

Cutoff Grade
0.1
Cutoff Unit
%
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: This historical intercept shows weak copper and low gold grades, but its correlation with new IP anomalies is positive for validating the targeting approach.

Positive factors

  • Intercept validates geophysical targeting.

Negative factors

  • Low copper grade for IOCG deposit type.
  • Low gold grade.
  • Historical data with limited QA/QC documentation.
  • Apparent width only, true width not determined.

Evidence · text

“0.27 g/t Au from 112.8 m”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Fact 19Walparuta · copperGrade: 0.44Grade Unit: %Intercept: 3.1 mHistorical resultNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Walparuta
Commodity
copper
Region
australia_sa
Reported Region
australia_sa
Ticker
TR8

Geometry

Grade
0.44
Grade Unit
%
Intercept
3.1 m
From
120.4 m
To
123.5 m
Intercept Depth
120.4 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Walparuta:120.4-123.5
Mining Method
unknown

Location

Loc. Confidence
low

QA/QC

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

Compositing

Cutoff Grade
0.1
Cutoff Unit
%
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: This historical intercept shows weak copper and low gold grades, but its correlation with new IP anomalies is positive for validating the targeting approach.

Positive factors

  • Intercept validates geophysical targeting.

Negative factors

  • Low copper grade for IOCG deposit type.
  • Low gold grade.
  • Historical data with limited QA/QC documentation.
  • Apparent width only, true width not determined.

Evidence · text

“including 3.1 m @ 0.44 % Cu”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Fact 20Walparuta · goldGrade: 0.42Grade Unit: g/tIntercept: 3.1 mHistorical resultNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Walparuta
Commodity
gold
Region
australia_sa
Reported Region
australia_sa
Ticker
TR8

Geometry

Grade
0.42
Grade Unit
g/t
Intercept
3.1 m
From
120.4 m
To
123.5 m
Intercept Depth
120.4 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Walparuta:120.4-123.5
Mining Method
unknown

Location

Loc. Confidence
low

QA/QC

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

Compositing

Cutoff Grade
0.1
Cutoff Unit
%
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: This historical intercept shows weak copper and low gold grades, but its correlation with new IP anomalies is positive for validating the targeting approach.

Positive factors

  • Intercept validates geophysical targeting.

Negative factors

  • Low copper grade for IOCG deposit type.
  • Low gold grade.
  • Historical data with limited QA/QC documentation.
  • Apparent width only, true width not determined.

Evidence · text

“0.42 g/t Au from 120.4 m”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Fact 21Walparuta · copperGrade: 0.29Grade Unit: %Intercept: 9.8 mHistorical resultNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Walparuta
Commodity
copper
Region
australia_sa
Reported Region
australia_sa
Ticker
TR8

Geometry

Grade
0.29
Grade Unit
%
Intercept
9.8 m
From
132.6 m
To
142.4 m
Intercept Depth
132.6 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Walparuta:132.6-142.4
Mining Method
unknown

Location

Loc. Confidence
low

QA/QC

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

Compositing

Cutoff Grade
0.1
Cutoff Unit
%
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: This historical intercept shows weak copper and low gold grades, but its correlation with new IP anomalies is positive for validating the targeting approach.

Positive factors

  • Intercept validates geophysical targeting.

Negative factors

  • Low copper grade for IOCG deposit type.
  • Low gold grade.
  • Historical data with limited QA/QC documentation.
  • Apparent width only, true width not determined.

Evidence · text

“9.8 m @ 0.29 % Cu”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Fact 22Walparuta · goldGrade: 0.58Grade Unit: g/tIntercept: 9.8 mHistorical resultNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Walparuta
Commodity
gold
Region
australia_sa
Reported Region
australia_sa
Ticker
TR8

Geometry

Grade
0.58
Grade Unit
g/t
Intercept
9.8 m
From
132.6 m
To
142.4 m
Intercept Depth
132.6 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Walparuta:132.6-142.4
Mining Method
unknown

Location

Loc. Confidence
low

QA/QC

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

Compositing

Cutoff Grade
0.1
Cutoff Unit
%
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: This historical intercept shows weak copper and low gold grades, but its correlation with new IP anomalies is positive for validating the targeting approach.

Positive factors

  • Intercept validates geophysical targeting.

Negative factors

  • Low copper grade for IOCG deposit type.
  • Low gold grade.
  • Historical data with limited QA/QC documentation.
  • Apparent width only, true width not determined.

Evidence · text

“0.58 g/t Au from 132.6 m”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Fact 23Walparuta · copperGrade: 0.5Grade Unit: %Intercept: 7.6 mHistorical resultNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Walparuta
Commodity
copper
Region
australia_sa
Reported Region
australia_sa
Ticker
TR8

Geometry

Grade
0.5
Grade Unit
%
Intercept
7.6 m
From
132.6 m
To
140.2 m
Intercept Depth
132.6 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Walparuta:132.6-140.2
Mining Method
unknown

Location

Loc. Confidence
low

QA/QC

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

Compositing

Cutoff Grade
0.1
Cutoff Unit
%
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: This historical intercept shows weak copper and low gold grades, but its correlation with new IP anomalies is positive for validating the targeting approach.

Positive factors

  • Intercept validates geophysical targeting.

Negative factors

  • Low copper grade for IOCG deposit type.
  • Low gold grade.
  • Historical data with limited QA/QC documentation.
  • Apparent width only, true width not determined.

Evidence · text

“including 7.6 m @ 0.50 % Cu”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Fact 24Walparuta · goldGrade: 0.97Grade Unit: g/tIntercept: 7.6 mHistorical resultNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Walparuta
Commodity
gold
Region
australia_sa
Reported Region
australia_sa
Ticker
TR8

Geometry

Grade
0.97
Grade Unit
g/t
Intercept
7.6 m
From
132.6 m
To
140.2 m
Intercept Depth
132.6 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Walparuta:132.6-140.2
Mining Method
unknown

Location

Loc. Confidence
low

QA/QC

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

Compositing

Cutoff Grade
0.1
Cutoff Unit
%
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: This historical intercept shows weak copper and low gold grades, but its correlation with new IP anomalies is positive for validating the targeting approach.

Positive factors

  • Intercept validates geophysical targeting.

Negative factors

  • Low copper grade for IOCG deposit type.
  • Low gold grade.
  • Historical data with limited QA/QC documentation.
  • Apparent width only, true width not determined.

Evidence · text

“0.97 g/t Au from 132.6 m”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Fact 25Walparuta · copperGrade: 0.26Grade Unit: %Intercept: 10.7 mHistorical resultNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Walparuta
Commodity
copper
Region
australia_sa
Reported Region
australia_sa
Ticker
TR8

Geometry

Grade
0.26
Grade Unit
%
Intercept
10.7 m
From
152.4 m
To
163.1 m
Intercept Depth
152.4 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Walparuta:152.4-163.1
Mining Method
unknown

Location

Loc. Confidence
low

QA/QC

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

Compositing

Cutoff Grade
0.1
Cutoff Unit
%
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: This historical intercept shows weak copper and very weak gold grades, but its correlation with new IP anomalies is positive for validating the targeting approach.

Positive factors

  • Intercept validates geophysical targeting.

Negative factors

  • Low copper grade for IOCG deposit type.
  • Very low gold grade.
  • Historical data with limited QA/QC documentation.
  • Apparent width only, true width not determined.

Evidence · text

“10.7 m @ 0.26 % Cu”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Fact 26Walparuta · goldGrade: 0.1Grade Unit: g/tIntercept: 10.7 mHistorical resultNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Walparuta
Commodity
gold
Region
australia_sa
Reported Region
australia_sa
Ticker
TR8

Geometry

Grade
0.1
Grade Unit
g/t
Intercept
10.7 m
From
152.4 m
To
163.1 m
Intercept Depth
152.4 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Walparuta:152.4-163.1
Mining Method
unknown

Location

Loc. Confidence
low

QA/QC

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

Compositing

Cutoff Grade
0.1
Cutoff Unit
%
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: This historical intercept shows weak copper and very weak gold grades, but its correlation with new IP anomalies is positive for validating the targeting approach.

Positive factors

  • Intercept validates geophysical targeting.

Negative factors

  • Low copper grade for IOCG deposit type.
  • Very low gold grade.
  • Historical data with limited QA/QC documentation.
  • Apparent width only, true width not determined.

Evidence · text

“0.10 g/t Au from 152.4 m”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Fact 27Walparuta · copperGrade: 0.45Grade Unit: %Intercept: 3.1 mHistorical resultNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Walparuta
Commodity
copper
Region
australia_sa
Reported Region
australia_sa
Ticker
TR8

Geometry

Grade
0.45
Grade Unit
%
Intercept
3.1 m
From
157 m
To
160.1 m
Intercept Depth
157 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Walparuta:157-160.1
Mining Method
unknown

Location

Loc. Confidence
low

QA/QC

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

Compositing

Cutoff Grade
0.1
Cutoff Unit
%
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: This historical intercept shows weak copper and very weak gold grades, but its correlation with new IP anomalies is positive for validating the targeting approach.

Positive factors

  • Intercept validates geophysical targeting.

Negative factors

  • Low copper grade for IOCG deposit type.
  • Very low gold grade.
  • Historical data with limited QA/QC documentation.
  • Apparent width only, true width not determined.

Evidence · text

“including 3.1 m @ 0.45 % Cu”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

Fact 28Walparuta · goldGrade: 0.09Grade Unit: g/tIntercept: 3.1 mHistorical resultNeeds review: drill_no_hole_idView all details
Link to this fact

Identity

Project
Walparuta
Commodity
gold
Region
australia_sa
Reported Region
australia_sa
Ticker
TR8

Geometry

Grade
0.09
Grade Unit
g/t
Intercept
3.1 m
From
157 m
To
160.1 m
Intercept Depth
157 m

Classification

Deposit Type
iocg
Sample Type
drill
Group ID
Walparuta:157-160.1
Mining Method
unknown

Location

Loc. Confidence
low

QA/QC

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

Compositing

Cutoff Grade
0.1
Cutoff Unit
%
Max Dilution
3 m

Review

Needs Review
Yes
Review Reason
drill_no_hole_id
Interp. Status
scored
Historical
Yes

Dates

Event date
2026-10-21T00:00:00.000Z

Reasoning: This historical intercept shows weak copper and very weak gold grades, but its correlation with new IP anomalies is positive for validating the targeting approach.

Positive factors

  • Intercept validates geophysical targeting.

Negative factors

  • Low copper grade for IOCG deposit type.
  • Very low gold grade.
  • Historical data with limited QA/QC documentation.
  • Apparent width only, true width not determined.

Evidence · text

“0.09 g/t Au from 157.0 m”

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

Stale Data Re-releasenegative

Historical results re-announced with no new assays or reinterpretation — low genuine novelty.

Why it applies: the fact restates a prior release

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.