FUL: Strategic Expansion and Positive Metallurgy at Alkali Flats

Original announcement by asx on

Company
Fulcrum Lithium Ltd
Ticker
FUL
Exchange
ASX
Region
Nevada, USA
Primary commodity
Lithium
Secondary commodities
None reported
Document categories
Resource update, Metallurgy
Extracted
2026-10-01 00:15:06 UTC

Analysis by Minestarters Atlas

Atlas analysis published:

Minestarters Atlas analysis

Summary

Fulcrum Lithium Ltd announced positive metallurgical results for its Alkali Flats project, demonstrating 64% to 79% lithium recovery from an acid-free calcination roast and water leach process, with up to 68% recovery within 24 hours. This method significantly reduced impurities and reagent usage compared to previous sulfuric acid extractions, offering flexibility for processing options. Concurrently, the company expanded its Alkali Flats claims by staking 41 new lode claims to capture potential extensions of the higher-grade lithium trend and support future drilling aimed at resource growth.

Reasoning: The announcement details positive metallurgical test results for lithium extraction, including high recoveries from an acid-free process with low impurities and low reagent usage, alongside a strategic expansion of claims to target higher-grade resource extensions.

Positive factors

  • High lithium recovery (79%) from acid-free process
  • Significant reduction in impurities compared to sulfuric acid leach
  • Relatively low reagent usage with potential for further optimization
  • Strategic expansion of claims to target higher-grade resource extensions
  • Recovery improvement from previous roast and water leach results

Negative factors

  • Recoveries are lower than sulfuric acid leach tests (93-96%)
  • Metallurgical tests are at scoping/bench scale only
  • Testing limited to composite samples, not explicitly covering full domain variability

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

Facts used in scoring: 11

Classification and evidence

High Recoverypositive

Recovery at or above the exceptional band for the commodity and processing route.

Why it applies: The metallurgical test achieved 79% lithium recovery, which is a strong result for a leach process.

Evidence · text

“79% lithium recovery from calcination roast and 8-day water column leach tests.”

Recovery Improvingpositive

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

Why it applies: The current roast and water leach results show an improvement from 66% to 79% recovery compared to previous tests.

Evidence · text

“Improvement of roast and water leaching previous results from 66% to 79% recovery.”

Bench Scale Onlynegative

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

Why it applies: The metallurgical work is described as a 'scoping test' and 'mini-column tests', indicating bench-scale work.

Evidence · text

“second successful heap leach scoping test”

Single Domain Onlynegative

Testing limited to one composite or domain — representativeness not established.

Why it applies: Testing was conducted on 3 composite samples from RC drill holes, but there is no explicit mention of testing across multiple distinct ore domains (e.g., oxide, transition, fresh).

Evidence · text

“3 composite samples were selected for further testing”

Heap Leach Routeneutral

Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: The metallurgical test is described as a 'heap leach scoping test'.

Evidence · text

“second early heap leach feasibility test”

Acid-Free Processpositive · Story-specific tag

No canonical definition is currently available.

Why it applies: The extraction process used water and calcination roast, explicitly stating 'no use of acid during the extraction process'.

Evidence · text

“no use of acid during the extraction process”

Low Impuritiespositive · Story-specific tag

No canonical definition is currently available.

Why it applies: The leachate showed 'significantly lower levels of impurities' compared to sulfuric acid extractions, with over 99% reductions in several elements.

Evidence · text

“Significantly lower levels of impurities in the leachate compared with sulfuric acid extractions.”

Low Reagent Usagepositive · Story-specific tag

No canonical definition is currently available.

Why it applies: The report notes 'relatively low reagent usage with the lowest roast blend ratio achieving the highest recoveries'.

Evidence · text

“Relatively low reagent usage with the lowest roast blend ratio achieving the highest recoveries”

Maiden Resourceneutral

First formal MRE for the project — establishes baseline but typically exploration-stage with high Inferred component.

Why it applies: The document refers to the 'maiden resource of 10.7Mt LCE' announced on August 4, 2026.

Evidence · text

“Following our maiden resource of 10.7Mt LCE”

JORC Compliantpositive

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

Why it applies: The MRE is stated to be compliant with the 'JORC Code, 2012 Edition'.

Evidence · text

“JORC Code, 2012 Edition – Table 1”

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: The MRE was prepared by Mrs Claudia Elena Olvera Prado (MAusIMM) and Mr Bill Fleshman (FAusIMM).

Evidence · text

“prepared Mrs Claudia Elena Olvera Prado (MAusIMM) and Mr Bill Fleshman (FAusIMM)”

Inferred Resourcenegative

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

Why it applies: The maiden MRE includes a significant Inferred component of 2,177 Mt.

Evidence · table

“2,177”

Context: Inferred

Cut-off Disclosedpositive

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

Why it applies: The maiden MRE is reported at a '400ppm Li cut-off grade' and a higher-grade portion at '700ppm Li cut-off'.

Evidence · text

“Alkali Flats Maiden Mineral Resource Estimate at 400ppm Li cut-off grade”

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: 11. Some facts used in scoring do not have a stored record.

Resource Estimates (9)

measuredAlkali Flats · lithiumTonnes: 715000000Grade: 604Grade Unit: ppmContained Metal: 2.3Contained Unit: mtHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Alkali Flats
Commodity
lithium
Region
usa_nv
Reported Region
Nevada, USA
Ticker
FUL

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Claudia Elena Olvera Prado, Bill Fleshman
Resource group id
resource:7e47bf80a15c6f39c663
Ownership percent
100 %

Resource Data

Category
measured
Tonnes
715000000
Grade
604
Grade Unit
ppm
Contained Metal
2.3
Contained Unit
mt
Cutoff Grade
400
Cutoff Unit
ppm Li

Prior Estimate

Resource Date
2026-08-04

Metal Equivalent

Metal Eq. Grade
3212
Metal Eq. Unit
ppm LCE
Assumptions Disclosed
Yes

Location

Easting
469342
Northing
4187705
CRS
UTM NAD 83, Zone 11
Loc. Confidence
medium

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2026-08-04T00:00:00.000Z

Dates

Event date
2026-09-30T00:00:00.000Z

Reasoning: This Measured resource for LCE, part of the maiden MRE, provides a high-confidence base for the project, though it is a restatement of prior information.

Positive factors

  • High confidence Measured category
  • JORC compliant
  • QP/CP signed
  • Metal equivalent assumptions disclosed

Negative factors

  • Historical estimate, not a new update

Evidence · table

“604”

Context: 715

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

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

indicatedAlkali Flats · lithiumTonnes: 677000000Grade: 564Grade Unit: ppmContained Metal: 2.03Contained Unit: mtHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Alkali Flats
Commodity
lithium
Region
usa_nv
Reported Region
Nevada, USA
Ticker
FUL

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Claudia Elena Olvera Prado, Bill Fleshman
Resource group id
resource:31fd9f1f19d4eb835fe0
Ownership percent
100 %

Resource Data

Category
indicated
Tonnes
677000000
Grade
564
Grade Unit
ppm
Contained Metal
2.03
Contained Unit
mt
Cutoff Grade
400
Cutoff Unit
ppm Li

Prior Estimate

Resource Date
2026-08-04

Metal Equivalent

Metal Eq. Grade
3003
Metal Eq. Unit
ppm LCE
Assumptions Disclosed
Yes

Location

Easting
469342
Northing
4187705
CRS
UTM NAD 83, Zone 11
Loc. Confidence
medium

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2026-08-04T00:00:00.000Z

Dates

Event date
2026-09-30T00:00:00.000Z

Reasoning: This Indicated resource for LCE, part of the maiden MRE, provides a good level of confidence for the project, though it is a restatement of prior information.

Positive factors

  • Indicated category provides reasonable confidence
  • JORC compliant
  • QP/CP signed
  • Metal equivalent assumptions disclosed

Negative factors

  • Historical estimate, not a new update

Evidence · table

“564”

Context: 677

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

indicatedAlkali Flats · lithiumTonnes: 1392000000Grade: 585Grade Unit: ppmContained Metal: 4.33Contained Unit: mtHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Alkali Flats
Commodity
lithium
Region
usa_nv
Reported Region
Nevada, USA
Ticker
FUL

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Claudia Elena Olvera Prado, Bill Fleshman
Resource group id
resource:5b4c96e1392aeac69ba5
Ownership percent
100 %

Resource Data

Category
indicated
Tonnes
1392000000
Grade
585
Grade Unit
ppm
Contained Metal
4.33
Contained Unit
mt
Cutoff Grade
400
Cutoff Unit
ppm Li

Prior Estimate

Resource Date
2026-08-04

Metal Equivalent

Metal Eq. Grade
3114
Metal Eq. Unit
ppm LCE
Assumptions Disclosed
Yes

Location

Easting
469342
Northing
4187705
CRS
UTM NAD 83, Zone 11
Loc. Confidence
medium

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2026-08-04T00:00:00.000Z

Dates

Event date
2026-09-30T00:00:00.000Z

Reasoning: This combined Measured + Indicated resource for LCE, part of the maiden MRE, provides a good level of confidence for the project, though it is a restatement of prior information.

Positive factors

  • Combined Measured + Indicated category provides good confidence
  • JORC compliant
  • QP/CP signed
  • Metal equivalent assumptions disclosed

Negative factors

  • Historical estimate, not a new update

Evidence · table

“585”

Context: 1,392

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

inferredAlkali Flats · lithiumTonnes: 2177000000Grade: 549Grade Unit: ppmContained Metal: 6.37Contained Unit: mtHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Alkali Flats
Commodity
lithium
Region
usa_nv
Reported Region
Nevada, USA
Ticker
FUL

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Claudia Elena Olvera Prado, Bill Fleshman
Resource group id
resource:e3df8ee656979e335864
Ownership percent
100 %

Resource Data

Category
inferred
Tonnes
2177000000
Grade
549
Grade Unit
ppm
Contained Metal
6.37
Contained Unit
mt
Cutoff Grade
400
Cutoff Unit
ppm Li

Prior Estimate

Resource Date
2026-08-04

Metal Equivalent

Metal Eq. Grade
2925
Metal Eq. Unit
ppm LCE
Assumptions Disclosed
Yes

Location

Easting
469342
Northing
4187705
CRS
UTM NAD 83, Zone 11
Loc. Confidence
medium

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2026-08-04T00:00:00.000Z

Dates

Event date
2026-09-30T00:00:00.000Z

Reasoning: This Inferred resource for LCE, part of the maiden MRE, is speculative and has a lower level of geological confidence, though it is a restatement of prior information.

Positive factors

  • JORC compliant
  • QP/CP signed
  • Metal equivalent assumptions disclosed

Negative factors

  • Inferred category is speculative
  • Historical estimate, not a new update

Evidence · table

“549”

Context: 2,177

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

inferredAlkali Flats · lithiumTonnes: 3570000000Grade: 563Grade Unit: ppmContained Metal: 10.7Contained Unit: mtHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Alkali Flats
Commodity
lithium
Region
usa_nv
Reported Region
Nevada, USA
Ticker
FUL

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Claudia Elena Olvera Prado, Bill Fleshman
Resource group id
resource:eec602c10c5826b796a8
Ownership percent
100 %

Resource Data

Category
inferred
Tonnes
3570000000
Grade
563
Grade Unit
ppm
Contained Metal
10.7
Contained Unit
mt
Cutoff Grade
400
Cutoff Unit
ppm Li

Prior Estimate

Resource Date
2026-08-04

Metal Equivalent

Metal Eq. Grade
2997
Metal Eq. Unit
ppm LCE
Assumptions Disclosed
Yes

Location

Easting
469342
Northing
4187705
CRS
UTM NAD 83, Zone 11
Loc. Confidence
medium

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2026-08-04T00:00:00.000Z

Dates

Event date
2026-09-30T00:00:00.000Z

Reasoning: The total resource for LCE, part of the maiden MRE, represents a large contained metal, but includes a substantial inferred component, and is a restatement of prior information.

Positive factors

  • Large total contained LCE
  • JORC compliant
  • QP/CP signed
  • Metal equivalent assumptions disclosed

Negative factors

  • Significant inferred component
  • Historical estimate, not a new update

Evidence · table

“563”

Context: 3,570

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

measuredAlkali Flats · lithiumTonnes: 171000000Grade: 4143Grade Unit: ppmContained Metal: 0.71Contained Unit: mtHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Alkali Flats
Commodity
lithium
Region
usa_nv
Reported Region
Nevada, USA
Ticker
FUL

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Claudia Elena Olvera Prado, Bill Fleshman
Resource group id
resource:a62f1f0fa560b8ff7638

Resource Data

Category
measured
Tonnes
171000000
Grade
4143
Grade Unit
ppm
Contained Metal
0.71
Contained Unit
mt
Cutoff Grade
700
Cutoff Unit
ppm Li

Prior Estimate

Resource Date
2026-08-04

Metal Equivalent

Metal Eq. Grade
4143
Metal Eq. Unit
ppm LCE
Assumptions Disclosed
Yes

Location

Easting
469342
Northing
4187705
CRS
UTM NAD 83, Zone 11
Loc. Confidence
medium

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2026-08-04T00:00:00.000Z

Dates

Event date
2026-09-30T00:00:00.000Z

Reasoning: This Measured resource for LCE at a 700ppm cutoff highlights a higher-grade portion of the resource, providing a high-confidence base, though it is a restatement of prior information.

Positive factors

  • Higher grade LCE at 700ppm cutoff
  • High confidence Measured category
  • JORC compliant
  • QP/CP signed
  • Metal equivalent assumptions disclosed

Negative factors

  • Historical estimate, not a new update

Evidence · table

“4,143”

Context: 0.171

Tags used in scoring

Measured Resourcepositive

Highest confidence category — tonnage, grade, shape well-established from closely-spaced drilling. Basis for Proven Reserves.

Why it applies: category is "measured"

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

indicatedAlkali Flats · lithiumTonnes: 116000000Grade: 4158Grade Unit: ppmContained Metal: 0.48Contained Unit: mtHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Alkali Flats
Commodity
lithium
Region
usa_nv
Reported Region
Nevada, USA
Ticker
FUL

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Claudia Elena Olvera Prado, Bill Fleshman
Resource group id
resource:f57a4f183f9b73160e9c

Resource Data

Category
indicated
Tonnes
116000000
Grade
4158
Grade Unit
ppm
Contained Metal
0.48
Contained Unit
mt
Cutoff Grade
700
Cutoff Unit
ppm Li

Prior Estimate

Resource Date
2026-08-04

Metal Equivalent

Metal Eq. Grade
4158
Metal Eq. Unit
ppm LCE
Assumptions Disclosed
Yes

Location

Easting
469342
Northing
4187705
CRS
UTM NAD 83, Zone 11
Loc. Confidence
medium

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2026-08-04T00:00:00.000Z

Dates

Event date
2026-09-30T00:00:00.000Z

Reasoning: This Indicated resource for LCE at a 700ppm cutoff highlights a higher-grade portion of the resource, providing a good level of confidence, though it is a restatement of prior information.

Positive factors

  • Higher grade LCE at 700ppm cutoff
  • Indicated category provides reasonable confidence
  • JORC compliant
  • QP/CP signed
  • Metal equivalent assumptions disclosed

Negative factors

  • Historical estimate, not a new update

Evidence · table

“4,158”

Context: 0.116

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

inferredAlkali Flats · lithiumTonnes: 177000000Grade: 4086Grade Unit: ppmContained Metal: 0.72Contained Unit: mtHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Alkali Flats
Commodity
lithium
Region
usa_nv
Reported Region
Nevada, USA
Ticker
FUL

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Claudia Elena Olvera Prado, Bill Fleshman
Resource group id
resource:fd81f7fe0833acf531b0

Resource Data

Category
inferred
Tonnes
177000000
Grade
4086
Grade Unit
ppm
Contained Metal
0.72
Contained Unit
mt
Cutoff Grade
700
Cutoff Unit
ppm Li

Prior Estimate

Resource Date
2026-08-04

Metal Equivalent

Metal Eq. Grade
4086
Metal Eq. Unit
ppm LCE
Assumptions Disclosed
Yes

Location

Easting
469342
Northing
4187705
CRS
UTM NAD 83, Zone 11
Loc. Confidence
medium

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2026-08-04T00:00:00.000Z

Dates

Event date
2026-09-30T00:00:00.000Z

Reasoning: This Inferred resource for LCE at a 700ppm cutoff highlights a higher-grade portion of the resource, but is speculative and has a lower level of geological confidence, though it is a restatement of prior information.

Positive factors

  • Higher grade LCE at 700ppm cutoff
  • JORC compliant
  • QP/CP signed
  • Metal equivalent assumptions disclosed

Negative factors

  • Inferred category is speculative
  • Historical estimate, not a new update

Evidence · table

“4,086”

Context: 0.177

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

inferredAlkali Flats · lithiumTonnes: 464000000Grade: 4125Grade Unit: ppmContained Metal: 1.92Contained Unit: mtHistorical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Alkali Flats
Commodity
lithium
Region
usa_nv
Reported Region
Nevada, USA
Ticker
FUL

Resource scope

Estimate type
resource
Reporting standards
jorc
QP Signed
Yes
Qualified person names
Claudia Elena Olvera Prado, Bill Fleshman
Resource group id
resource:a02d4a9705c862291a9d

Resource Data

Category
inferred
Tonnes
464000000
Grade
4125
Grade Unit
ppm
Contained Metal
1.92
Contained Unit
mt
Cutoff Grade
700
Cutoff Unit
ppm Li

Prior Estimate

Resource Date
2026-08-04

Metal Equivalent

Metal Eq. Grade
4125
Metal Eq. Unit
ppm LCE
Assumptions Disclosed
Yes

Location

Easting
469342
Northing
4187705
CRS
UTM NAD 83, Zone 11
Loc. Confidence
medium

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2026-08-04T00:00:00.000Z

Dates

Event date
2026-09-30T00:00:00.000Z

Reasoning: The total resource for LCE at a 700ppm cutoff highlights a higher-grade portion of the resource, but includes a substantial inferred component, and is a restatement of prior information.

Positive factors

  • Higher grade LCE at 700ppm cutoff
  • JORC compliant
  • QP/CP signed
  • Metal equivalent assumptions disclosed

Negative factors

  • Significant inferred component
  • Historical estimate, not a new update

Evidence · table

“4,125”

Context: 0.464

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

Metallurgical Results (2)

column leachAlkali Flats · lithiumRecovery: 79 %Head Grade: 674Head Grade Unit: ppmView all details
Link to this fact

Identity

Project
Alkali Flats
Commodity
lithium
Region
usa_nv
Reported Region
Nevada, USA
Ticker
FUL

Test Work

Program Status
scoping
Test Type
column leach
Processing Route
calcination roast and water column leach
Sample
3 composite samples from RC drill holes AF2-2, AF2-5, AF2-10
Leach Time
192 hours

Recovery

Recovery
79 %
Recovery Basis
actual_test
Head Grade
674
Head Grade Unit
ppm

Reagents

Acid
0 kg/t
Reagent Notes
5:1:1 blend ratio of sample, gypsum, limestone using water; relatively low reagent usage; no use of acid during the extraction process

Lab

Laboratory
Kappes, Cassiday and Associates (KCA)

Location

Easting
469342
Northing
4187705
CRS
UTM NAD 83, Zone 11
Loc. Confidence
medium

Review

Needs Review
No
Historical
No

Dates

Event date
2026-09-30T00:00:00.000Z

Reasoning: The 79% lithium recovery from the calcination roast and water leach mini-column tests is a strong result, demonstrating an acid-free process with low impurities and improved recovery over previous similar tests.

Positive factors

  • High lithium recovery for leach process
  • Acid-free process with low impurities
  • Low reagent usage
  • Recovery improvement from prior testwork

Negative factors

  • Bench scale only
  • Lower recovery than sulfuric acid leach

Evidence · text

“64% to 79% lithium recovery from calcination roast and 8-day water column leach tests. ... Improvement of roast and water leaching previous results from 66% to 79% recovery.”

Tags used in scoring

Heap Leach Routeneutral

Processing via heap leach — lower CAPEX and OPEX, lower recovery expected.

Why it applies: processing_route matches the heap_leach signal

agitated beakerAlkali Flats · lithiumRecovery: 66 %Historical resultNeeds review: historical_restatementView all details
Link to this fact

Identity

Project
Alkali Flats
Commodity
lithium
Region
usa_nv
Reported Region
Nevada, USA
Ticker
FUL

Test Work

Program Status
scoping
Test Type
agitated beaker
Processing Route
roast and water leach
Sample
previous roast and water leach test

Recovery

Recovery
66 %
Recovery Basis
actual_test

Reagents

Acid
0 kg/t
Reagent Notes
previous roast and water leach test in an agitated beaker

Lab

Laboratory
Kappes, Cassiday and Associates (KCA)

Location

Easting
469342
Northing
4187705
CRS
UTM NAD 83, Zone 11
Loc. Confidence
medium

Review

Needs Review
Yes
Review Reason
historical_restatement
Historical
Yes
Historical Source Date
2026-05-19T00:00:00.000Z

Dates

Event date
2026-09-30T00:00:00.000Z

Reasoning: This historical 66% lithium recovery from a previous roast and water leach test is superseded by the current 79% recovery, indicating progress in metallurgical optimization.

Negative factors

  • Historical result, superseded by current testwork
  • Lower recovery than current testwork

Evidence · text

“improvement from the roast and water leach previously performed in an agitated beaker, up from 66% to 79% recovery.”

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.