Results 11 to 20 of about 174,368 (349)
Carbonatite-Related REE Deposits: An Overview
Minerals (Basel, Switzerland), 2020 The rare earth elements (REEs) have unique and diverse properties that make them function as an “industrial vitamin” and thus, many countries consider them as strategically important resources.
Zhen-Yu Wang +2 more
exaly +2 more sources
Forum Mathematicum, 2011 We introduce a rank 3 geometry for any Ree group over a not necessarily perfect field and show that its full collineation group is the automorphism group of the corresponding Ree group. A similar result holds for two rank 2 geometries obtained as a truncation of this rank 3 geometry. As an application, we show that a polarity in any Moufang generalized
Haot, Fabienne +2 more
openaire +5 more sources
Rare earth elements (REE) for the removal and recovery of phosphorus: A review.
Chemosphere, 2021 There is little doubt that 'rock phosphate' reserves are decreasing, with phosphorus (P) peak to be reached in the coming decades. Hence, removal and recovery of phosphorus (P) from alternative nutrient-rich waste streams is critical and of great ...
A. Kunhikrishnan +6 more
semanticscholar +2 more sources
Formation of giant carbonatite rare earth deposits controlled by deep-seated magma chambers [PDF]
Nature CommunicationsCarbonatite-associated rare earth element (REE) deposits are currently the primary source of REE resources. Their formation requires REE enrichment during prolonged magma evolution, achieved by suppressing REE-rich mineral crystallization and promoting ...
Shuo Xue +9 more
doaj +2 more sources
Minerals, 2019 The Weishan carbonatite-related rare earth element (REE) deposit in China contains both high- and low-grade REE mineralization and is an informative case study for the investigation of magmatic–hydrothermal REE enrichment processes in such deposits.
Yu-heng Jia, Yan Liu
semanticscholar +2 more sources
Effect of Rare Earth Cerium Addition on Oxidation Behavior of Co-Al-W Alloys at 800°C [PDF]
Archives of Metallurgy and Materials, 2022 The γ/γ′ Co-based alloys are a new class of cobalt superalloys, which are characterized by remarkable high temperature strength owing to strengthening by γ′-Co3(Al, X) phases.
D. Migas, T. Liptáková, G. Moskal
doaj +1 more source
New ore-magmatic ring-type structure in the Muzkol-Rangkul anticlinorium, Central Pamir
Известия высших учебных заведений: Геология и разведка, 2023 Background. The minerogenic specialization of the Muzkol-Rangkul anticlinorium consists in industrial gemstone deposits of ruby, cordierite, almandine, aquamarine, topaz, tourmaline, scapolite, etc. Large ore objects in this area are unknown.
A. K. Litvinenko, Sh. A. Odinaev
doaj +1 more source
Green Approach for Rare Earth Element (REE) Recovery from Coal Fly Ash
Environmental Science and Technology, 2023 Due to the growing demands of rare earth elements (REEs) and the vulnerability of REEs to potential supply disruption, there have been increasing interests in recovering REEs from waste streams such as coal fly ash (CFA).
Pan Liu +7 more
semanticscholar +1 more source
JGEET: Journal of Geoscience, Engineering, Environment and Technology, 2021 Gabbro, is a fossil remnant of oceanic crust in western part of Java, found at Bayah Geological Complex (BGC) and Ciletuh Melange Complex (CMC), Indonesia.
Aton Patonah +2 more
doaj +1 more source
Ecological and health risk assessments of rare earth elements in soil from gold mining areas in Sudan [PDF]
E3S Web of Conferences, 2023 The increasing demand for rare earth elements (REE) has led to increased mining activities, which may result in potential ecological and health risks. Our objective was to evaluate the potential ecological and analyze the health risks associated with REE
Ahmed Minas Elfatih +6 more
doaj +1 more source