CENTURY LITHIUM ACHIEVES HIGH RECOVERY OF RARE EARTH AND CRITICAL ELEMENTS FROM PRIMARY LEACH SOLUTIONS

Original announcement by tmx on

Company
Century Lithium Corp.
Ticker
LCE
Exchange
TSX
Region
Nevada
Primary commodity
Lithium
Secondary commodities
Rare earth elements, Scandium, Lanthanum, Cerium, Dysprosium, Gadolinium, Neodymium, Praseodymium, Cesium
Document categories
Metallurgy, Other
Extracted
2026-09-18 07:04:11 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

Century Lithium reported successful ion-exchange test work at its Angel Island project in Nevada, achieving over 97% recovery of rare earth elements and critical metals from lithium leach solutions. The testing demonstrated high selectivity, allowing for REE recovery without impacting the primary lithium extraction process.

Reasoning: The announcement reports successful ion-exchange test work achieving high recovery of REEs and critical metals from lithium leach solutions without compromising lithium recovery, representing a significant technical milestone for the Angel Island project.

Positive factors

  • High REE recovery (>97%) achieved
  • Selectivity against lithium maintained
  • Validates secondary-value opportunity from leach solutions
  • QP sign-off included

Facts used in scoring: 2

Classification and evidence

High Recoverypositive

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

Why it applies: Ion-exchange test work achieved greater than 97% recovery of identified REEs and critical metals.

Evidence · text

“Ion-exchange test work achieved greater than 97% recovery of the identified REEs and critical metals”

Mill Routeneutral

Processing via mill or concentrator (CIL, CIP, tank leach, flotation).

Why it applies: The process involves ultrafiltration, direct lithium extraction (DLE), and subsequent steps.

Evidence · text

“process flowsheet, which includes ultrafiltration, direct lithium extraction ("DLE") and subsequent steps”

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 release includes a Qualified Person (Todd Fayram, MMSA-QP) sign-off.

Evidence · text

“Qualified Person Todd Fayram , MMSA-QP and Senior Vice President, Metallurgy of Century Lithium is the qualified person as defined by National Instrument 43-101 and has approved the technical information in this release.”

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

Metallurgical Results (2)

ion-exchangeAngel Island · rare earth elementsRecovery: 97 %View all details
Link to this fact

Identity

Project
Angel Island
Commodity
rare earth elements
Region
usa_nv
Reported Region
Nevada
Ticker
LCE

Test Work

Program Status
optimization
Test Type
ion-exchange
Processing Route
ultrafiltration, direct lithium extraction ("DLE") and subsequent steps
Sample
primary lithium leach solutions from Angel Island claystone

Recovery

Recovery
97 %

Review

Needs Review
No
Historical
No

Dates

Event date
2025-12-02T00:00:00.000Z

Reasoning: High recovery achieved via ion-exchange testing.

Positive factors

  • Recovery exceeds 97%

Evidence · text

“Ion-exchange test work achieved greater than 97% recovery of the identified REEs and critical metals”

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 · scandiumRecovery: 97 %View all details
Link to this fact

Identity

Project
Angel Island
Commodity
scandium
Region
usa_nv
Reported Region
Nevada
Ticker
LCE

Test Work

Program Status
optimization
Test Type
ion-exchange
Processing Route
ultrafiltration, direct lithium extraction ("DLE") and subsequent steps
Sample
primary lithium leach solutions from Angel Island claystone

Recovery

Recovery
97 %

Review

Needs Review
No
Historical
No

Dates

Event date
2025-12-02T00:00:00.000Z

Reasoning: High recovery achieved via ion-exchange testing for critical metals.

Positive factors

  • Recovery exceeds 97%

Evidence · text

“Ion-exchange test work achieved greater than 97% recovery of the identified REEs and critical metals”

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.