CENTURY LITHIUM HIGHLIGHTS RARE EARTH POTENTIAL AT ANGEL ISLAND, NEVADA
Original announcement by tmx on
- Company
- Century Lithium Corp.
- Ticker
- LCE
- Exchange
- TSX
- Region
- Nevada
- Primary commodity
- Lithium
- Secondary commodities
- Rare earth elements
- Document categories
- Metallurgy, Other
- Extracted
- 2026-09-18 07:03:52 UTC
Analysis by Minestarters Atlas
Minestarters Atlas analysis
Summary
Century Lithium has demonstrated high recovery rates (up to 99.9%) for rare earth elements (REEs) from its Angel Island project in Nevada using ion-exchange technology. The test work, conducted on a 500-tonne bulk sample, shows that REEs enter solution under the same chloride leaching conditions used for lithium extraction.
Reasoning: The release demonstrates high technical feasibility for REE recovery from a lithium project using existing chloride leaching, though economic viability remains unproven.
Positive factors
- High REE recoveries (up to 99.9%) demonstrated via ion-exchange
- REEs enter solution under existing lithium extraction conditions
- QA/QC disclosed with independent accredited laboratory (ALS)
- Strategic byproduct potential identified
Negative factors
- Economic contribution not yet evaluated
- Results based on a 500-tonne bulk sample, not the whole deposit
Facts used in scoring: 7
Classification and evidence
High Recoverypositive
Recovery at or above the exceptional band for the commodity and processing route.
Why it applies: REE recoveries via ion-exchange reached up to 99.9%
Evidence · table
“99.9 %”
Context: 0.7
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: Release mentions duplicates, standards, and blanks provided by an accredited laboratory
Evidence · text
“Quality control in the form of duplicates, standards and blanks was provided by the laboratory.”
Byproduct Commodityneutral
The tested commodity is a byproduct rather than the primary economic driver.
Why it applies: REEs are identified as a potential strategic byproduct to the primary lithium production
Evidence · text
“REEs to become a strategically important by-product alongside Angel Island's primary commodity, lithium carbonate”
Single Domain Onlynegative
Testing limited to one composite or domain — representativeness not established.
Why it applies: only one composite was tested
Extracted facts
Stored fact records: 7. Some facts used in scoring do not have a stored record.
Metallurgical Results (7)
chloride leachingAngel Island Lithium Project · lithiumRecovery: 0 %Head Grade: 1101Head Grade Unit: ppmView all detailsHide details
Identity
- Project
- Angel Island Lithium Project
- Commodity
- lithium
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- LCE
Test Work
- Program Status
- preliminary
- Test Type
- chloride leaching
- Sample
- 500-tonne bulk sample claystone
Recovery
- Recovery
- 0 %
- Recovery Basis
- unspecified
- Head Grade
- 1101
- Head Grade Unit
- ppm
Lab
- Laboratory
- ALS Canada Ltd.
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-12-11T00:00:00.000Z
Reasoning: Lithium recovery in the specific IX test was 0% as the focus was REE recovery from the solution.
Evidence · table
“0.0 %”
Context: 1,101
Tags used in scoring
Low Recoverynegative
Recovery below the weak band for the commodity and processing route.
Why it applies: 0% is below the weak band (65%)
Byproduct Commodityneutral
The tested commodity is a byproduct rather than the primary economic driver.
Why it applies: the release describes a byproduct credit
ion-exchangeAngel Island Lithium Project · rare earth elementsRecovery: 99.6 %Head Grade: 239.4Head Grade Unit: ppmView all detailsHide details
Identity
- Project
- Angel Island Lithium Project
- Commodity
- rare earth elements
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- LCE
Test Work
- Program Status
- preliminary
- Test Type
- ion-exchange
- Sample
- 500-tonne bulk sample claystone
Recovery
- Recovery
- 99.6 %
- Recovery Basis
- actual_test
- Head Grade
- 239.4
- Head Grade Unit
- ppm
Lab
- Laboratory
- ALS Canada Ltd.
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-12-11T00:00:00.000Z
Reasoning: Demonstrates highly efficient recovery of the total REO suite from the pregnant leach solution.
Positive factors
- Exceptionally high total REO recovery
Evidence · table
“99.6 %”
Context: 239.4
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
ion-exchangeAngel Island Lithium Project · neodymium + praseodymiumRecovery: 99.8 %Head Grade: 43.4Head Grade Unit: ppmView all detailsHide details
Identity
- Project
- Angel Island Lithium Project
- Commodity
- neodymium + praseodymium
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- LCE
Test Work
- Program Status
- preliminary
- Test Type
- ion-exchange
- Sample
- 500-tonne bulk sample claystone
Recovery
- Recovery
- 99.8 %
- Recovery Basis
- actual_test
- Head Grade
- 43.4
- Head Grade Unit
- ppm
Lab
- Laboratory
- ALS Canada Ltd.
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-12-11T00:00:00.000Z
Reasoning: High recovery of key magnet metals.
Positive factors
- Near-perfect recovery of Nd+Pr
Evidence · table
“99.8 %”
Context: 43.4
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
ion-exchangeAngel Island Lithium Project · dysprosiumRecovery: 99.8 %Head Grade: 3.8Head Grade Unit: ppmView all detailsHide details
Identity
- Project
- Angel Island Lithium Project
- Commodity
- dysprosium
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- LCE
Test Work
- Program Status
- preliminary
- Test Type
- ion-exchange
- Sample
- 500-tonne bulk sample claystone
Recovery
- Recovery
- 99.8 %
- Recovery Basis
- actual_test
- Head Grade
- 3.8
- Head Grade Unit
- ppm
Lab
- Laboratory
- ALS Canada Ltd.
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-12-11T00:00:00.000Z
Reasoning: Strong recovery of dysprosium.
Positive factors
- High recovery of heavy REE
Evidence · table
“99.8 %”
Context: 3.8
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
ion-exchangeAngel Island Lithium Project · terbiumRecovery: 99.9 %Head Grade: 0.7Head Grade Unit: ppmView all detailsHide details
Identity
- Project
- Angel Island Lithium Project
- Commodity
- terbium
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- LCE
Test Work
- Program Status
- preliminary
- Test Type
- ion-exchange
- Sample
- 500-tonne bulk sample claystone
Recovery
- Recovery
- 99.9 %
- Recovery Basis
- actual_test
- Head Grade
- 0.7
- Head Grade Unit
- ppm
Lab
- Laboratory
- ALS Canada Ltd.
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-12-11T00:00:00.000Z
Reasoning: Excellent recovery of terbium.
Positive factors
- Near-perfect recovery of terbium
Evidence · table
“99.9 %”
Context: 0.7
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
ion-exchangeAngel Island Lithium Project · yttriumRecovery: 99.8 %Head Grade: 24.9Head Grade Unit: ppmView all detailsHide details
Identity
- Project
- Angel Island Lithium Project
- Commodity
- yttrium
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- LCE
Test Work
- Program Status
- preliminary
- Test Type
- ion-exchange
- Sample
- 500-tonne bulk sample claystone
Recovery
- Recovery
- 99.8 %
- Recovery Basis
- actual_test
- Head Grade
- 24.9
- Head Grade Unit
- ppm
Lab
- Laboratory
- ALS Canada Ltd.
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-12-11T00:00:00.000Z
Reasoning: Strong recovery of yttrium.
Positive factors
- High recovery of yttrium
Evidence · table
“99.8 %”
Context: 24.9
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
ion-exchangeAngel Island Lithium Project · scandiumRecovery: 97 %Head Grade: 14.4Head Grade Unit: ppmView all detailsHide details
Identity
- Project
- Angel Island Lithium Project
- Commodity
- scandium
- Region
- usa_nv
- Reported Region
- Nevada
- Ticker
- LCE
Test Work
- Program Status
- preliminary
- Test Type
- ion-exchange
- Sample
- 500-tonne bulk sample claystone
Recovery
- Recovery
- 97 %
- Recovery Basis
- actual_test
- Head Grade
- 14.4
- Head Grade Unit
- ppm
Lab
- Laboratory
- ALS Canada Ltd.
Review
- Needs Review
- No
- Historical
- No
Dates
- Event date
- 2025-12-11T00:00:00.000Z
Reasoning: Good recovery of scandium.
Positive factors
- High scandium recovery
Evidence · table
“97 %”
Context: 14.4
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.