JLL: McDermitt Drilling Program Underway

Original announcement by asx on

Company
Jindalee Lithium Limited
Ticker
JLL
Exchange
ASX
Region
Oregon
Primary commodity
Lithium
Secondary commodities
Magnesium
Document categories
Other, Resource update
Extracted
2026-10-02 00:12:38 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Jindalee Lithium has commenced its Phase 1 drilling program at the McDermitt Lithium Project in Oregon, utilizing both RC and diamond rigs. The program focuses on high-priority infill drilling to support a future Feasibility Study and improve resource confidence, with results expected in Q1 2027.

Reasoning: The announcement confirms the start of a significant infill drilling program intended to support a Feasibility Study and potentially upgrade resource classification, though no new assay data is provided.

Positive factors

  • commencement of major drilling program
  • infill drilling targeting resource upgrade
  • approvals received from BLM

Negative factors

  • no assay results reported yet

Facts used in scoring: 3

Classification and evidence

Infill Drillingneutral · Story-specific tag

Confirmatory drilling to raise resource confidence, not new discovery.

Why it applies: The release states 'Initial high-priority infill drilling is now underway'.

Evidence · text

“Initial high-priority infill drilling is now underway”

Extracted facts

Stored fact records: 3. Some facts used in scoring do not have a stored record.

Resource Estimates (3)

indicatedMcDermitt · lithiumTonnes: 1470000000Grade: 1420Grade Unit: ppmContained Metal: 11.1Contained Unit: mt lceHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
McDermitt
Commodity
lithium
Region
oregon
Reported Region
Oregon
Ticker
JLL

Resource scope

Estimate type
resource
Resource group id
resource:93b1f2609265e2a91a23

Resource Data

Category
indicated
Tonnes
1470000000
Grade
1420
Grade Unit
ppm
Contained Metal
11.1
Contained Unit
mt lce

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2023-02-27T00:00:00.000Z

Dates

Event date
2026-10-01T00:00:00.000Z

Reasoning: Historical indicated resource stated in the document for comparison.

Evidence · table

“1,470”

Context: 1,470

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

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

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

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 3.6 years before this release

inferredMcDermitt · lithiumTonnes: 1540000000Grade: 1270Grade Unit: ppmContained Metal: 10.4Contained Unit: mt lceHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
McDermitt
Commodity
lithium
Region
oregon
Reported Region
Oregon
Ticker
JLL

Resource scope

Estimate type
resource
Resource group id
resource:b5af77855e40ff10846a

Resource Data

Category
inferred
Tonnes
1540000000
Grade
1270
Grade Unit
ppm
Contained Metal
10.4
Contained Unit
mt lce

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2023-02-27T00:00:00.000Z

Dates

Event date
2026-10-01T00:00:00.000Z

Reasoning: Historical inferred resource stated in the document for comparison.

Evidence · table

“1,540”

Context: 1,540

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

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

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

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 3.6 years before this release

indicatedMcDermitt · lithiumTonnes: 3000000000Grade: 1340Grade Unit: ppmContained Metal: 21.5Contained Unit: mt lceHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
McDermitt
Commodity
lithium
Region
oregon
Reported Region
Oregon
Ticker
JLL

Resource scope

Estimate type
resource
Resource group id
resource:61a76fb7ddf6ef105b45

Resource Data

Category
indicated
Tonnes
3000000000
Grade
1340
Grade Unit
ppm
Contained Metal
21.5
Contained Unit
mt lce

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2023-02-27T00:00:00.000Z

Dates

Event date
2026-10-01T00:00:00.000Z

Reasoning: Historical combined indicated and inferred resource stated in the document for comparison.

Evidence · table

“3,000”

Context: 3,000

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

PFS-Supportingneutral

Resource estimate prepared to support a Pre-Feasibility Study — requires adequate M&I component.

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

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 3.6 years before this 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.