Contributions of Rare Earth Element (La,Ce) Addition to …

In this research Rare Earth elements (RE), La and Ce (200 ppm), were added to a low carbon cast microalloyed steel to disclose their influence on the microstructure and impact toughness. ... The results obtained in this research indicated that RE could modify the composition and shape of the inclusions in steels and prevent the …

American Rare Earths : Further Outstanding Drill Results for …

American Rare Earths Limited ( ASX: ARR, OTCQB: ARRNF, FSE: 1BHA) ( ARR or 'the Company') is pleased to announce highly promising assay results from …

American Rare Earths shares assay results expanding Rare …

Swartz expressed confidence in the company's prospects, highlighting the importance of these assay results in guiding future exploration and development …

Energy Fuels Announces 2023 Results: Record Net Income …

During the first half of 2023, the Company completed 2,266 meters of sonic drilling at its Bahia Project in Brazil to confirm and further delineate the rare earth, titanium, and zirconium mineralization at the Bahia Project. The Company commenced further sonic drilling in Q1-2024. The Company is awaiting the results from the 2023 drilling campaign.

Performance Testing of Rare Earth Magnetic Tube …

These test results suggest Eriez'Xtreme™ Rare Earth magnetic circuits will provide the highest level of ferrous metal removal. *Actual values may vary from tube to tube depending upon tube length and slight manufacturing variances. Test Results Std 1/4 Ball Manufacturer Pull Test Gauss Price Lead Time Eriez Xtreme™ RE6HP 97.3 11,436 …

Appia Rare Earths Reports High-Grade Total Rare Earth Oxide Results …

The results confirm the ultra-high-grade nature of the upper levels, including concentrations reaching up to 22,339 ppm or 2.23% TREO, 6,204 ppm or 0.62% MREO, and 2,074 ppm or 0.21% Heavy Rare ...

Appia Reports High-Grade Total Rare Earth Oxide Results …

The results confirm the ultra-high-grade nature of the upper levels, including concentrations reaching up to 22,339 ppm or 2.23% TREO, 6,204 ppm or 0.62% MREO, and 2,074 ppm or 0.21% Heavy Rare Earth Oxide (HREO) across 2 …

American Rare Earths' Assay Results Expand Rare Earth …

April 10, 2024 at 08:33 am EDT. Highlights. Surface samples of up to 6,221 ppm TREO (64% increase to mine planning), revealed potential for a larger, higher …

Rare Earth Elements | Geoscience Australia

The results of a project scoping study in 2013 indicated potential for the resource to support a mine life in excess of 20 years with a capital cost at that time of $156 million 20. Despite a drilling program …

NioCorp Reports Rare Earth Assay Results

NioCorp Reports Rare Earth Assay Results. CENTENNIAL, Colo. (December 14, 2021) – NioCorp Developments Ltd. (" NioCorp " or the " Company ") ( TSX: NB; OTCQX: …

Rock-to-metal ratios of the rare earth elements

The results indicate that the rock-to-metal ratios for the total rare earth elements ranged from a low of 1.6 × 10 1 to a high of 3.6 × 10 3, with operations in Brazil and Russia having the lowest ratios and ion-adsorption clays operations in China and Myanmar having the highest. For comparison, the global average rock-to-metal ratio for …

Rainbow Rare Earths impressed by results from Brazil project

Rainbow Rare Earths impressed by results from Brazil project. Published: 02:25 16 Apr 2024 EDT. Rainbow Rare Earths said test results from its second project in Brazil suggest eventually might be larger than the Phalaborwa development in South Africa, its current main focus. Mineralogy and hydrometallurgical studies carried out on …

American Rare Earths shares assay results expanding Rare …

Surface samples revealed concentrations of up to 6,221 ppm total rare earth oxides (TREO), indicating the potential for a larger, higher-grade rare earth element …

What are rare earths, crucial elements in modern …

Yes, quite. In 2018, the cost for an oxide of neodymium, atomic number 60, is US$107,000 per metric ton. The price is expected to climb to $150,000 by 2025. Europium is even more costly – about ...

Brazil rare earths project shares key similarities with …

American Rare Earths Resource Estimate Increased by 64% Estimated In-Situ Resources Increased to 2.34 Billion Tonnes At 3,196 ppm TREO. February 07, …

Outstanding Results from Wyoming Rare Earths Drilling

PHOENIX, June 28, 2022 (GLOBE NEWSWIRE) -- American Rare Earths Limited ( ASX: ARR, OTCQB: ARRNF, FSE: 1BHA) ( ARR or 'the Company') is pleased to announce …

American Rare Earths Announces Breakthrough Metallurgical Results

Dr. Yongqin Jiao, of LLNL commented on the results: "Our protein-based rare earth separation technologies continue to be advanced and are greatly enhanced by this conventional beneficiation ...

Rare Earth Interferences on Arsenic and Selenium

Rare Earth permanent magnets ... The method quality control results were all acceptable. Arsenic Method 7062 Hydride Arsenic Speciation Arsenic Triple Quad <0.4 ppb 0.12 ppb <1.0 ppb <0.4 ppb 0.38 ppb <1.0 ppb. PE ICP-OES 8300 USEPA Region 4 SESD ICS Brittany Stuart, Chemist Lanthanum is a

E-Tech Resources Inc. Announces High-Grade Rare Earth Results …

E-Tech Resources Inc. (TSX.V:REE) is a rare earth exploration and development company focused on developing its Eureka Rare Earths Project in Namibia. The Eureka Project is located approximately 250 km north-west of Namibia's capital city Windhoek and 140 km east of Namibia's main industrial port Walvis Bay.

MP Materials Reports Fourth Quarter and Full Year 2021 Results

LAS VEGAS-- MP Materials Corp. (NYSE: MP) ("MP Materials" or the "Company"), today announced its financial results for the fourth quarter and full year ended December 31, 2021. Full Year 2021 Highlights. Produced 42,413 metric tons of rare earth oxides ("REO") in concentrate, the highest rare earth production in U.S. and Mountain ...

NioCorp Reports Rare Earth Assay Results

The assay results were subjected to a Quality Assurance and Quality Control program consistent with industry best practices. These new assay results complement the analysis previously completed by the Company of the geological and metallurgical evaluation of all of the rare earth data associated with the Project (see this announcement).

Little bacterium may make big impact on rare-earth …

"Given the ease of finding significant biosorption mutants, these results highlight just how many genes likely contribute to biosorption," he said, "as well as the power of random mutagenesis in identifying genes of interest and optimizing a biological system for a task." Rare earth elements play a critical role in modern society.

(INVITED)Rare-earth ions doped glasses based on TeO2

Then this review is devoted to results of glasses based on TeO 2 and GeO 2, doped with rare-earth ions without and with Ag, Au or TiO 2 NPs that demonstrate to be suitable to increase Si solar cell efficiency through the downconversion processes in which photons with high energy, that are commonly absorbed and thermalized, are converted …

Various rare earth particles magnetic separation using …

(15) for rare earth oxides using ferrofluid, paramagnetic liquid, and water is shown in Fig. 3 (B), and the separation results of the neighboring two rare earth particle mixture are shown in Fig. S8. The mixed weight of the neighboring rare earth oxide particles was 50 wt% each. Here, only La 2 O 3 was diamagnetic, as shown in Table 1.

American Rare Earths Announces Breakthrough Metallurgical …

Published. Jan 22, 2024 9:03am EST. Collaboration with Lawrence Livermore National Laboratory and University of Kentucky. Highlights. Halleck Creek ore has been …

Evaluating Rare Earth Element Deposits

These are likely to result in overstated grades and understated tonnages. Primary and supergene copper resources are natural analogies for the estimation of non-alluvial REE deposits. Rare earth deposits are typically hosted by carbonatite, alkali- intrusives and supergene-enriched mineralisation developed on REE-enhanced substrate.

Not So "Green" Technology: The Complicated Legacy of Rare Earth …

Most worrying is that rare earth ores are often laced with radioactive thorium and uranium, which result in especially detrimental health effects. Overall, for every ton of rare earth, 2,000 tons of toxic waste are produced. China currently dominates the REE market, accounting for 85 percent of the global supply in 2016.