Results 1 to 10 of about 43,301 (141)

Fractionation mechanisms of rare earth element speciation in granitic weathering profiles: Metallogenic implications for the kuanyu ion-adsorption REE deposit, dechang, SW China. [PDF]

open access: yesPLoS ONE
The Kuanyu ion-adsorption rare earth element (REE) deposit, Sichuan's first economically viable resource of its type, remains underexplored in terms of REE fractionation and enrichment mechanisms within its weathering profiles.
Lijun Qian   +4 more
doaj   +2 more sources

The Influence of Basaltic Islands on the Oceanic REE Distribution: A Case Study From the Tropical South Pacific [PDF]

open access: yesFrontiers in Marine Science, 2018
The Rare Earth Elements (REEs) have been widely used to investigate marine biogeochemical processes as well as the sources and mixing of water masses. However, there are still important uncertainties about the global aqueous REE cycle with respect to the
Mario Molina-Kescher   +6 more
doaj   +4 more sources

Elemental Mapping for Characterizing of Thorium and Rare Earth Elements (REE) Bearing Minerals Using µXRF

open access: yesAtom Indonesia, 2022
Thorium (Th) anomaly was found in Adang Volcanic Complexes, Mamuju Area, West Sulawesi. This element is associated with high-value elements, the rare earth elements (REE). The minerals containing Th and REE were found in veins mineralization with various
I. G. Sukadana   +5 more
doaj   +1 more source

REE AND Th MINERALS IN THE METASANDSTONES OF THE UDOKAN BASIN (RUSSIA) [PDF]

open access: yesМинералогия, 2022
Based on ICP-MS, optical and electron microscopy, and electron back-scatter diffraction data, the paper considers the distribution and the mode of occurrence of REEs and Th in metasandstones of the Lower Proterozoic Sakukan Formation, which host ...
E.V. Belogub   +4 more
doaj   +1 more source

Recovery of Rare Earth Elements Minerals from Iron-Oxide-Silicate-Rich Tailings: Research Review

open access: yesEng, 2022
The rapid depletion of high-grade rare earth elements (REE) resources implies that future supplies may be augmented with low-grade ores, tailings, and other unconventional resources to meet cut-off grades and, subsequently, supply demands.
George Blankson Abaka-Wood   +3 more
doaj   +1 more source

Anatomy of intergrowth OF florencite and xenotime crystals with oscillatory zoning from veins of the svodovy au-ree occurrence, subpolar u [PDF]

open access: yesМинералогия, 2020
The morphology and anatomy of a paragenetic intergrowth of REE minerals (xenotime and florencite) from veins of Svodovy Au-REE occurrence (Subpolar Urals) are described.
S.A. Repina, V.A. Muftakhov
doaj   +1 more source

The Enrichment Mechanism of REE at Sulfate and Methane Transition Zone (SMTZ) of the Northern Part of the South China Sea

open access: yesGeofluids, 2022
Rare earth elements (REE) are important raw materials for electronic products and green-energy technology and deep-sea sediment as an important potential source of REE mineral.
Xie Rui   +7 more
doaj   +1 more source

Occurrence of niobium in biotite-type Fe-REE-Nb ore in the Bayan Obo deposit

open access: yesSolid Earth Sciences, 2023
The Bayan Obo REE-Nb-Fe deposit, which reserves the current largest REE resources globally, also hosts 63.4% of China's Nb resources. Previous studies mainly focus on the isotopes and petrographic mineralogy of carbonatite dyke, ore-host dolomite and ...
Yisu Ren, Xiaoyong Yang, Xiaoxia Wang
doaj   +1 more source

Characterization and migration of atmospheric REE in soils and surface waters [PDF]

open access: yes, 2002
Rainwater and snow collected from three different sites in France (Vosges Mountains, French Alps and Strasbourg) show more or less similar shapes of their REE distribution patterns.
Aubert, Dominique   +5 more
core   +5 more sources

Application of the Automated Mineral Identification and Characterization System (AMICS) in the Identification of Rare Earth and Rare Minerals

open access: yesYankuang ceshi, 2018
The Yinachang Fe-Cu-REE deposit is one of the representative Proterozoic Fe-Cu-REE deposits in central Yunnan, at the southwestern margin of the Yangtze Block, China. Beside Fe and Cu, there are REEs, Nb, Mo, Co, Au, U and other elements in the ores. The
WEN Li-gang   +6 more
doaj   +1 more source

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