US Elemental Announces Highly Encouraging Magnesium Testwork Results from the McDermitt Lithium Project

Original announcement by globenewswire on

Company
Jindalee Lithium Limited
Ticker
JLL
Exchange
Unavailable
Region
Oregon
Primary commodity
Magnesium
Secondary commodities
Lithium
Document categories
Metallurgy
Extracted
2026-08-24 20:31:58 UTC

Analysis by Minestarters Atlas

Minestarters Atlas analysis

Summary

US Elemental (a subsidiary of Jindalee Lithium) has successfully demonstrated a proof-of-concept for producing high-purity magnesium oxide (MgO) from the McDermitt Lithium Project's magnesium-rich waste stream. Testwork by Kemetco Research Inc. achieved MgO grades exceeding 93% and high conversion rates, offering a potential strategic byproduct to strengthen U.S. magnesium supply chains.

Reasoning: Successful testwork demonstrated the ability to convert a waste stream (magnesium sulphate) into high-purity magnesium oxide, potentially creating a significant byproduct credit for the McDermitt project.

Positive factors

  • Proof of concept for magnesium byproduct
  • High purity MgO produced (>93%)
  • High conversion efficiency (99.95%)
  • Strategic US supply chain alignment

Negative factors

  • No commercial viability established
  • Requires further engineering and scalability studies

Facts used in scoring: 2

Classification and evidence

Byproduct Commodityneutral

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

Why it applies: The testwork focuses on converting a magnesium stream previously treated as waste into a high-value product.

Evidence · text

“convert that stream into MgO, an important feedstock for primary magnesium metal production”

Extracted facts

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

Metallurgical Results (2)

Fact 1magnesiumRecovery: 93.4 %View all details
Link to this fact

Identity

Commodity
magnesium
Ticker
JLL

Test Work

Sample
MgO produced via carbonate precipitation and calcination

Recovery

Recovery
93.4 %
Recovery Basis
actual_test
Conc. Grade
93.4
Conc. Grade Unit
%

Lab

Laboratory
Kemetco Research Inc.

Review

Needs Review
No
Historical
No

Dates

Event date
2026-08-24T00:00:00.000Z

Reasoning: Achieved a high-purity MgO grade of 93.4%.

Positive factors

  • High purity grade

Evidence · text

“Both approaches produced MgO grades greater than 93%, with the highest grade reaching 93.4% MgO”
Fact 2magnesiumRecovery: 99.95 %View all details
Link to this fact

Identity

Commodity
magnesium
Ticker
JLL

Test Work

Sample
MgO conversion in the calciner

Recovery

Recovery
99.95 %
Recovery Basis
actual_test

Review

Needs Review
No
Historical
No

Dates

Event date
2026-08-24T00:00:00.000Z

Reasoning: The conversion rate in the calciner was reported as very high at 99.95%.

Positive factors

  • Extremely high conversion efficiency

Evidence · text

“conversion in the calciner for both approaches was very high, with values reaching 99.95%”

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.