IVR: 30,000m Drilling Program Underway to Unlock Paris Growth

Original announcement by asx on

Company
Investigator Silver Limited
Ticker
IVR
Exchange
ASX
Region
South Australia
Primary commodity
Silver
Secondary commodities
Lead
Document categories
Resource update, Other
Extracted
2026-09-23 00:29:00 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Investigator Silver has commenced a fully funded 30,000-metre drilling program at the Paris Silver Project in South Australia. The campaign aims to expand the silver resource and upgrade resource confidence beyond the current Definitive Feasibility Study mine plan.

Reasoning: The announcement focuses on the commencement of a significant drilling program rather than new assay results, though it restates existing resource/reserve data.

Positive factors

  • commencement of large 30,000m drilling program
  • program is fully funded
  • targets resource growth and confidence upgrades
  • follows successful DFS

Facts used in scoring: 7

Classification and evidence

Resource Updateneutral

Revised estimate for an existing resource — compare to prior to assess progress.

Why it applies: The document restates the Paris Silver Project Mineral Resource and Ore Reserve estimates.

Evidence · text

“Paris Mineral Resource Estimate7”

QA/QC Disclosedpositive · Story-specific tag

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

Why it applies: The document names Competent Persons (Jason Murray and Atish Kumar) for exploration and reserves.

Evidence · text

“prepared by Mr Jason Murray who is a Member of the Australasian Institute of Mining and Metallurgy (AusIMM)”

Extracted facts

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

Resource Estimates (7)

indicatedParis Silver Project · silverTonnes: 17000000Grade: 75Grade Unit: g/tContained Metal: 41Contained Unit: mozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Paris Silver Project
Commodity
silver
Region
australia_sa
Reported Region
South Australia
Ticker
IVR

Resource scope

Estimate type
resource
Reporting standards
jorc
Resource group id
resource:0e6805c6d56b4d2130e7
Mining method
open_pit
Ownership percent
100 %

Resource Data

Category
indicated
Tonnes
17000000
Grade
75
Grade Unit
g/t
Contained Metal
41
Contained Unit
moz

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2023-07-05T00:00:00.000Z

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Historical indicated silver resource restated from 2023 announcement.

Evidence · table

“75”

Context: 17

Tags used in scoring

Indicated Resourcepositive

Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: reporting_standards includes jorc

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.2 years before this release

indicatedParis Silver Project · leadTonnes: 17000000Grade: 0.5Grade Unit: %Historical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Paris Silver Project
Commodity
lead
Region
australia_sa
Reported Region
South Australia
Ticker
IVR

Resource scope

Estimate type
resource
Reporting standards
jorc
Resource group id
resource:0e6805c6d56b4d2130e7
Mining method
open_pit
Ownership percent
100 %

Resource Data

Category
indicated
Tonnes
17000000
Grade
0.5
Grade Unit
%

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2023-07-05T00:00:00.000Z

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Historical indicated lead grade restated from 2023 announcement.

Evidence · table

“0.5”

Context: 17

Tags used in scoring

Indicated Resourcepositive

Reasonable geological confidence based on adequate drilling; continuity can be assumed. Basis for Probable Reserves.

Why it applies: category is "indicated"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: reporting_standards includes jorc

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.2 years before this release

inferredParis Silver Project · silverTonnes: 7200000Grade: 67Grade Unit: g/tContained Metal: 16Contained Unit: mozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Paris Silver Project
Commodity
silver
Region
australia_sa
Reported Region
South Australia
Ticker
IVR

Resource scope

Estimate type
resource
Reporting standards
jorc
Resource group id
resource:9606e72037fba735f9fb
Mining method
open_pit
Ownership percent
100 %

Resource Data

Category
inferred
Tonnes
7200000
Grade
67
Grade Unit
g/t
Contained Metal
16
Contained Unit
moz

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2023-07-05T00:00:00.000Z

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Historical inferred silver resource restated from 2023 announcement.

Evidence · table

“67”

Context: 7.2

Tags used in scoring

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: reporting_standards includes jorc

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.2 years before this release

inferredParis Silver Project · leadTonnes: 7200000Grade: 0.42Grade Unit: %Historical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Paris Silver Project
Commodity
lead
Region
australia_sa
Reported Region
South Australia
Ticker
IVR

Resource scope

Estimate type
resource
Reporting standards
jorc
Resource group id
resource:9606e72037fba735f9fb
Mining method
open_pit
Ownership percent
100 %

Resource Data

Category
inferred
Tonnes
7200000
Grade
0.42
Grade Unit
%

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2023-07-05T00:00:00.000Z

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Historical inferred lead grade restated from 2023 announcement.

Evidence · table

“0.42”

Context: 7.2

Tags used in scoring

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: reporting_standards includes jorc

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.2 years before this release

inferredParis Silver Project · silverTonnes: 24000000Grade: 73Grade Unit: g/tHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Paris Silver Project
Commodity
silver
Region
australia_sa
Reported Region
South Australia
Ticker
IVR

Resource scope

Estimate type
resource
Reporting standards
jorc
Resource group id
resource:b948a0229ab9204a6dc5
Mining method
open_pit
Ownership percent
100 %

Resource Data

Category
inferred
Tonnes
24000000
Grade
73
Grade Unit
g/t

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2023-07-05T00:00:00.000Z

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Historical inferred silver resource restated from 2023 announcement. (Expanded from multi-commodity resource table for completeness.)

Evidence · table

“73”

Context: 24

Tags used in scoring

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: reporting_standards includes jorc

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.2 years before this release

inferredParis Silver Project · leadTonnes: 24000000Grade: 0.41Grade Unit: %Historical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Paris Silver Project
Commodity
lead
Region
australia_sa
Reported Region
South Australia
Ticker
IVR

Resource scope

Estimate type
resource
Reporting standards
jorc
Resource group id
resource:b948a0229ab9204a6dc5
Mining method
open_pit
Ownership percent
100 %

Resource Data

Category
inferred
Tonnes
24000000
Grade
0.41
Grade Unit
%

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2023-07-05T00:00:00.000Z

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Historical inferred silver resource restated from 2023 announcement. (Expanded from multi-commodity resource table for completeness.)

Evidence · table

“0.41”

Context: 24

Tags used in scoring

Inferred Resourcenegative

Speculative category — limited drilling, geological continuity assumed but not confirmed. Cannot support economic studies alone.

Why it applies: category is "inferred"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: reporting_standards includes jorc

No Contained Metalnegative

Tonnage and grade reported but contained metal not calculated or disclosed — incomplete reporting.

Why it applies: contained_metal was not reported

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

Stale Estimatenegative

Effective date is >2 years old — data currency concern, may not reflect current geological understanding.

Why it applies: effective date is 3.2 years before this release

probableParis Silver Project · silverTonnes: 12000000Grade: 88Grade Unit: g/tContained Metal: 33Contained Unit: mozHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Paris Silver Project
Commodity
silver
Region
australia_sa
Reported Region
South Australia
Ticker
IVR

Resource scope

Estimate type
reserve
Reporting standards
jorc
Resource group id
resource:7c4693110d77679b975a
Mining method
open_pit
Ownership percent
100 %

Resource Data

Category
probable
Tonnes
12000000
Grade
88
Grade Unit
g/t
Contained Metal
33
Contained Unit
moz

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2026-02-27T00:00:00.000Z

Dates

Event date
2026-09-22T00:00:00.000Z

Reasoning: Historical probable silver reserve restated from Feb 2026 DFS announcement.

Evidence · table

“88”

Context: 12

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "probable"

Cut-off Undisclosednegative

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

Why it applies: no cutoff_grade was stated

JORC Compliantpositive

Resource estimate prepared in compliance with JORC Code (Australia) — high reporting standard.

Why it applies: reporting_standards includes jorc

DFS-Supportingneutral

Resource estimate prepared to support a Definitive Feasibility Study — requires high M&I confidence.

Why it applies: the release names the study this estimate supports

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.