JLL: Annual Report to Shareholders

Original announcement by asx on

Company
Jindalee Lithium Limited
Ticker
JLL
Exchange
ASX
Region
United States
Primary commodity
Lithium
Secondary commodities
Magnesium
Document categories
Agreement transaction, Capital raise, Metallurgy, Resource update, Other, Drill results
Extracted
2026-09-29 13:25:07 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Jindalee Lithium Limited's annual report for FY26 details significant progress on its proposed US Elemental Nasdaq listing for the McDermitt Lithium Project, including shareholder approval and SEC filings. The company successfully completed multiple equity raises, strengthening its cash position to $13.6 million. Metallurgical testwork also advanced, demonstrating the potential to produce fertiliser-grade magnesium sulphate and high-purity magnesium oxide from a previously considered waste stream.

Reasoning: The annual report highlights significant progress on the proposed Nasdaq listing for its US assets, successful capital raises strengthening its financial position, and promising metallurgical testwork for a magnesium byproduct. However, the mineral resource and ore reserve estimates remain unchanged, and the company acknowledges a going concern risk requiring future funding.

Positive factors

  • US Elemental Nasdaq listing progress
  • Successful capital raises
  • Magnesium byproduct opportunity
  • Permitting approval for drilling

Negative factors

  • Resource estimate unchanged (stale data)
  • Going concern risk

Low confidence — this extraction should be reviewed alongside the original source.

Facts used in scoring: 25

Classification and evidence

Stale Estimatenegative · Story-specific tag

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

Why it applies: The Mineral Resource Estimate has an effective date of 27 February 2023 and the Ore Reserve an effective date of 19 November 2024, both of which are more than one year old, and the document explicitly states there was no change to either during the period.

Evidence · text

“No comparison table has been provided for the McDermitt MRE as there was no change to the Mineral Resource during the period. There were no changes to the McDermitt Lithium Project (US) Mineral Resource and Ore Reserve from 30 September 2025 to 29 September 2026”

JORC Compliantpositive · Story-specific tag

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

Why it applies: The Mineral Resources and Ore Reserves are reported in accordance with the Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves (2012 Edition) ('JORC Code 2012').

Evidence · text

“The Group’s Mineral Resources and Ore Reserves are reported in accordance with the Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves (2012 Edition) ('JORC Code 2012')”

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: The mineral resource statement and information relating to Exploration Results, Mineral Resources and Ore Reserves are based on information compiled by Mr Lindsay Dudfield, Mr Arnold van der Heyden, and Mr Quinton de Klerk, who are all qualified as Competent Persons under JORC Code 2012.

Evidence · text

“This annual mineral resource statement in its entirety, and the information in this report that relates to Exploration Results, Mineral Resources and Ore Reserves, is based on, and fairly represents information and supporting documents compiled by Mr Lindsay Dudfield, a director and shareholder of, and consultant to, the Company and a Member of the Australasian Institute of Mining and Metallurgy and the Australian Institute of Geoscientists. ... The information in this report that relates to the Mineral Resource Estimate for the McDermitt deposit is based on information compiled by Mr Arnold van der Heyden... The information in this report that relates to the Ore Reserves for the McDermitt Lithium Project is based on and fairly represents information and supporting documentation compiled by Mr Quinton de Klerk.”

Cut-off Disclosedpositive · Story-specific tag

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: The Mineral Resource Estimate and Ore Reserve are reported with a clear cut-off grade of 1,000 ppm Li.

Evidence · text

“Summary of 2023 McDermitt MRE at the reporting cut-off of 1,000 ppm.”

Recovery Improvingpositive

Recovery improved versus a like-for-like prior test program on the same domain and route.

Why it applies: Testwork successfully produced fertiliser-grade magnesium sulphate and high-purity magnesium oxide from a magnesium stream previously treated as waste, indicating an improvement in potential recovery and value.

Evidence · text

“Historically viewed as a waste stream within the process flowsheet, magnesium is now being evaluated as a potential by-product capable of enhancing Project economics. Testwork completed during the year successfully produced fertiliser-grade magnesium sulphate from McDermitt leachate and ongoing work is assessing opportunities to produce higher-value magnesium products.”

Bench Scale Onlynegative

Only preliminary bench tests completed — no locked-cycle or pilot work.

Why it applies: The document describes 'testwork completed' and 'proof-of-concept testwork' without mentioning pilot or locked-cycle scale, implying preliminary bench-scale work.

Evidence · text

“Testwork completed during the year successfully produced fertiliser-grade magnesium sulphate from McDermitt leachate and ongoing work is assessing opportunities to produce higher-value magnesium products. ... proof-of-concept testwork demonstrating the production of high-purity magnesium oxide (MgO) from McDermitt-derived magnesium sulphate.”

Byproduct Commodityneutral

The tested commodity is a byproduct rather than the primary economic driver.

Why it applies: Magnesium is being evaluated as a potential by-product capable of enhancing Project economics, having historically been viewed as a waste stream.

Evidence · text

“One of the most exciting developments during FY26 was the emergence of a potentially significant magnesium opportunity. Historically viewed as a waste stream within the process flowsheet, magnesium is now being evaluated as a potential by-product capable of enhancing Project economics.”

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 company states that its drilling, sampling, and analysis procedures are regularly reviewed and audited by independent experts, and assays are undertaken by independent, internationally accredited laboratories with a QA/QC program.

Evidence · text

“The Company’s procedures for drilling, sampling techniques and analysis are regularly reviewed and audited by independent experts. Assays are undertaken by independent, internationally accredited laboratories with a QA/QC program delivering acceptable levels of accuracy and precision.”

Apparent Width Onlynegative · Story-specific tag

Interval given as downhole width with no true width or drill orientation — apparent width may overstate true thickness.

Why it applies: The drill intercepts are reported with downhole lengths (e.g., '110.6m @ 1,519ppm Li') but no true width or drill orientation information is provided.

Evidence · text

“110.6m @ 1,519ppm Li & 4.80% Mg from 23.0m (hole R95) and 66.0m @ 1,599ppm Li & 4.12% Mg from 0.4m (hole R94)”

Stale Data Re-releasenegative · Story-specific tag

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

Why it applies: The drill results from the 2025 drilling program were reported on 21 January 2026, making them historical data in this annual report dated 29 September 2026.

Evidence · text

“On 3 December 2025 Jindalee completed a large-diameter core drilling program... On 21 January 2026 the Company reported strong lithium and magnesium intercepts”

Multi-Domain Testedpositive

Variability across ore domains (oxide, transition, fresh) has been addressed.

Why it applies: 2 distinct composites were tested

Extracted facts

Stored fact records: 10. Some facts used in scoring do not have a stored record.

Drill Results (4)

R95McDermitt · lithiumGrade: 1519Grade Unit: ppmIntercept: 110.6 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
R95
Project
McDermitt
Commodity
lithium
Region
usa
Reported Region
usa
Ticker
JLL

Geometry

Grade
1519
Grade Unit
ppm
Intercept
110.6 m
From
23 m
To
133.6 m
Intercept Depth
23 m

Classification

Sample Type
drill
Group ID
R95:23-133.6

QA/QC

QA/QC Disclosed
Yes
Lab Certified
Yes
QA/QC Methods
standards

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2026-01-21T00:00:00.000Z

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: A strong lithium intercept over a significant length was reported from the 2025 drilling program, confirming resource quality, though it is historical data and only apparent width is given.

Positive factors

  • Strong grade
  • Good intercept length
  • QA/QC disclosed

Negative factors

  • Apparent width only
  • Stale data re-release

Evidence · text

“110.6m @ 1,519ppm Li & 4.80% Mg from 23.0m (hole R95)”

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

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

R95McDermitt · magnesiumGrade: 4.8Grade Unit: %Intercept: 110.6 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
R95
Project
McDermitt
Commodity
magnesium
Region
usa
Reported Region
usa
Ticker
JLL

Geometry

Grade
4.8
Grade Unit
%
Intercept
110.6 m
From
23 m
To
133.6 m
Intercept Depth
23 m

Classification

Sample Type
drill
Group ID
R95:23-133.6

QA/QC

QA/QC Disclosed
Yes
Lab Certified
Yes
QA/QC Methods
standards

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2026-01-21T00:00:00.000Z

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: A strong magnesium intercept over a significant length was reported from the 2025 drilling program, reinforcing byproduct potential, though it is historical data and only apparent width is given.

Positive factors

  • Strong grade
  • Good intercept length
  • QA/QC disclosed
  • Byproduct potential

Negative factors

  • Apparent width only
  • Stale data re-release

Evidence · text

“110.6m @ 1,519ppm Li & 4.80% Mg from 23.0m (hole R95)”

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

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

R94McDermitt · lithiumGrade: 1599Grade Unit: ppmIntercept: 66 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
R94
Project
McDermitt
Commodity
lithium
Region
usa
Reported Region
usa
Ticker
JLL

Geometry

Grade
1599
Grade Unit
ppm
Intercept
66 m
From
0.4 m
To
66.4 m
Intercept Depth
0.4 m

Classification

Sample Type
drill
Group ID
R94:0.4-66.4

QA/QC

QA/QC Disclosed
Yes
Lab Certified
Yes
QA/QC Methods
standards

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2026-01-21T00:00:00.000Z

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: A strong lithium intercept over a good length from shallow depth was reported from the 2025 drilling program, confirming resource quality, though it is historical data and only apparent width is given.

Positive factors

  • Strong grade
  • Good intercept length
  • QA/QC disclosed
  • Shallow intercept

Negative factors

  • Apparent width only
  • Stale data re-release

Evidence · text

“66.0m @ 1,599ppm Li & 4.12% Mg from 0.4m (hole R94)”

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

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

R94McDermitt · magnesiumGrade: 4.12Grade Unit: %Intercept: 66 mHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Hole ID
R94
Project
McDermitt
Commodity
magnesium
Region
usa
Reported Region
usa
Ticker
JLL

Geometry

Grade
4.12
Grade Unit
%
Intercept
66 m
From
0.4 m
To
66.4 m
Intercept Depth
0.4 m

Classification

Sample Type
drill
Group ID
R94:0.4-66.4

QA/QC

QA/QC Disclosed
Yes
Lab Certified
Yes
QA/QC Methods
standards

Review

Needs Review
Yes
Review Reason
historical_restatement
Interp. Status
scored
Historical
Yes
Historical Source Date
2026-01-21T00:00:00.000Z

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: A strong magnesium intercept over a good length from shallow depth was reported from the 2025 drilling program, reinforcing byproduct potential, though it is historical data and only apparent width is given.

Positive factors

  • Strong grade
  • Good intercept length
  • QA/QC disclosed
  • Shallow intercept
  • Byproduct potential

Negative factors

  • Apparent width only
  • Stale data re-release

Evidence · text

“66.0m @ 1,599ppm Li & 4.12% Mg from 0.4m (hole R94)”

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

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

Resource Estimates (4)

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

Identity

Project
McDermitt Lithium Project
Commodity
lithium
Region
usa
Reported Region
United States
Ticker
JLL

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Arnold van der Heyden, Lindsay Dudfield
Resource group id
resource:3e463adc5425dbbaef36

Resource Data

Category
indicated
Tonnes
1470000000
Grade
1420
Grade Unit
ppm
Contained Metal
11.1
Contained Unit
mt lce
Cutoff Grade
1000
Cutoff Unit
ppm Li

Prior Estimate

Resource Date
2023-02-27

Review

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

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: The indicated resource for lithium at McDermitt is reported as unchanged from the prior period, making it stale data, but it is JORC compliant with a disclosed cut-off grade and QP sign-off.

Positive factors

  • JORC compliant
  • QP signed
  • Cut-off disclosed

Negative factors

  • Stale estimate
  • No change from prior period

Evidence · table

“1,470”

Context: Indicated Resource

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 Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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: qp_signed is true

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

Identity

Project
McDermitt Lithium Project
Commodity
lithium
Region
usa
Reported Region
United States
Ticker
JLL

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Arnold van der Heyden, Lindsay Dudfield
Resource group id
resource:e7282d6e6b457cc11ab0

Resource Data

Category
inferred
Tonnes
1540000000
Grade
1270
Grade Unit
ppm
Contained Metal
10.4
Contained Unit
mt lce
Cutoff Grade
1000
Cutoff Unit
ppm Li

Prior Estimate

Resource Date
2023-02-27

Review

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

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: The inferred resource for lithium at McDermitt is reported as unchanged from the prior period, making it stale data and a lower confidence category, but it is JORC compliant with a disclosed cut-off grade and QP sign-off.

Positive factors

  • JORC compliant
  • QP signed
  • Cut-off disclosed

Negative factors

  • Stale estimate
  • No change from prior period
  • Inferred resource

Evidence · table

“1,540”

Context: Inferred Resource

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 Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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: qp_signed is true

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

Identity

Project
McDermitt Lithium Project
Commodity
lithium
Region
usa
Reported Region
United States
Ticker
JLL

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Arnold van der Heyden, Lindsay Dudfield
Resource group id
resource:d7efd7053623d31652ad

Resource Data

Category
inferred
Tonnes
3000000000
Grade
1340
Grade Unit
ppm
Contained Metal
21.5
Contained Unit
mt lce
Cutoff Grade
1000
Cutoff Unit
ppm Li

Prior Estimate

Resource Date
2023-02-27

Review

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

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: The total resource for lithium at McDermitt is reported as unchanged from the prior period, making it stale data, but it is JORC compliant with a disclosed cut-off grade and QP sign-off. A significant portion is in the inferred category.

Positive factors

  • JORC compliant
  • QP signed
  • Cut-off disclosed

Negative factors

  • Stale estimate
  • No change from prior period
  • Significant inferred component

Evidence · table

“3,000”

Context: Indicated and Inferred Resource

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 Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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: qp_signed is true

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

probableMcDermitt Lithium Project · lithiumTonnes: 251000000Grade: 1751Grade Unit: ppmContained Metal: 2.34Contained Unit: mt lceHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
McDermitt Lithium Project
Commodity
lithium
Region
usa
Reported Region
United States
Ticker
JLL

Resource scope

Estimate type
reserve
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Quinton de Klerk, Lindsay Dudfield
Resource group id
resource:563f01282704af19fc84

Resource Data

Category
probable
Tonnes
251000000
Grade
1751
Grade Unit
ppm
Contained Metal
2.34
Contained Unit
mt lce
Cutoff Grade
1000
Cutoff Unit
ppm Li

Prior Estimate

Resource Date
2024-11-19

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2024-11-19T00:00:00.000Z

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: The probable ore reserve for lithium at McDermitt is reported as unchanged from the prior period, making it stale data, but it is JORC compliant with a disclosed cut-off grade and QP sign-off.

Positive factors

  • JORC compliant
  • QP signed
  • Cut-off disclosed

Negative factors

  • Stale estimate
  • No change from prior period

Evidence · table

“251”

Context: Probable Reserve

Tags used in scoring

Probable Reservepositive

Indicated Resource with demonstrated economic viability after applying modifying factors.

Why it applies: category is "probable"

Cut-off Disclosedpositive

Cut-off grade used for resource reporting is clearly stated, enabling like-for-like comparison.

Why it applies: cutoff_grade is stated

QP/CP Signedpositive

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: qp_signed is true

JORC Compliantpositive

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

Why it applies: reporting_standards includes jorc

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

Metallurgical Results (2)

unspecifiedMcDermitt Lithium Project · magnesiumView all details
Link to this fact

Identity

Project
McDermitt Lithium Project
Commodity
magnesium
Region
usa
Reported Region
United States
Ticker
JLL

Test Work

Program Status
preliminary
Test Type
unspecified
Processing Route
unspecified
Sample
McDermitt leachate

Recovery

Recovery Basis
actual_test

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: Successful production of fertiliser-grade magnesium sulphate from McDermitt leachate represents a significant advancement from previous scoping work, indicating potential for a valuable byproduct, though the testwork is still at a preliminary bench scale.

Positive factors

  • Recovery improving
  • Byproduct commodity
  • Successful production

Negative factors

  • Bench scale only
  • Unspecified test type

Evidence · text

“On 21 April 2026, Jindalee announced the successful production of fertiliser-grade magnesium sulphate (MgSO4, Epsom salt) from this leachate.”

Tags used in scoring

Byproduct Commodityneutral

The tested commodity is a byproduct rather than the primary economic driver.

Why it applies: the release describes a byproduct credit

unspecifiedMcDermitt Lithium Project · magnesiumView all details
Link to this fact

Identity

Project
McDermitt Lithium Project
Commodity
magnesium
Region
usa
Reported Region
United States
Ticker
JLL

Test Work

Program Status
preliminary
Test Type
unspecified
Processing Route
unspecified
Sample
McDermitt-derived magnesium sulphate

Recovery

Recovery Basis
actual_test

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-29T00:00:00.000Z

Reasoning: Proof-of-concept testwork demonstrating the production of high-purity magnesium oxide from McDermitt-derived magnesium sulphate is a novel and positive development, indicating potential for a higher-value byproduct, though still at a preliminary bench scale.

Positive factors

  • Recovery improving
  • Byproduct commodity
  • Successful production
  • Higher value product

Negative factors

  • Bench scale only
  • Unspecified test type

Evidence · text

“Subsequent to year end, on 17 August 2026, the Company announced proof-of-concept testwork demonstrating the production of high-purity magnesium oxide (MgO) from McDermitt-derived magnesium sulphate.”

Tags used in scoring

Byproduct Commodityneutral

The tested commodity is a byproduct rather than the primary economic driver.

Why it applies: the release describes a byproduct credit

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.