WEBSep 1, 2022 · The Bagoushi bauxite deposit is situated roughly along the axis of the Bagoushi anticline at latitude 30°25′ N and longitude 51°30′ E (Fig. 3). Contiguous lenses of bauxite vary from 50 to 60 m in length and up to 16–20 m thick overlying the Upper Cretaceous karstified bedrock (Fig. 4 a and b). This deposit is structurally controlled by ...
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WEBOct 30, 2017 · Soil in Space and Time Genesis and Soil Morphology Genesis of Soils from Bauxite in Southeastern Brazil: Resiliion as a SoilForming Process. Ana Carolina Campos Mateus, Fábio Soares de Oliveira, Angélica Fortes Drummond Chicarino Varajão, Caroline Cibele Vieira Soares. 30/Oct/2017. DOI: /rbcs . .
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WEBJul 1, 2013 · As a result, little is known to trace the precursors or reveal oreforming process of lateritic bauxites. Bauxite resources in China are abundant, ranking fifth in the world, after New Guinea, Australia, Brazil, and Jamaica. The bauxite deposits in China are mainly found in the Shanxi, Guizhou, Guangxi and Henan Provinces.
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WEBGeochemistry of the early Jurassic Soleiman Kandi karst bauxite deposit, Irano–Himalayan belt, NW : Constraints on bauxite genesis and the distribution of critical raw materials. A. Abedini G. Mongelli M. Khosravi
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WEBSep 1, 2022 · Geology, geochemistry, and genesis of REY minerals of the late Cretaceous karst bauxite deposits, Zagros Simply Folded Belt, SW : Constraints on the oreforming process
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WEBSep 1, 2021 · The bauxite residue sinter leach process (BRSLP) is one of the most promising methods available for recovering sodium and aluminium from bauxite residue (Klauber et al. 2011).The objective of BRSLP is to convert DSP to soluble NaAlO 2 and insoluble Ca 2 SiO 4 through the addition of CaCO 3 and Na 2 CO sinter product .
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WEBDec 5, 2017 · Genesis of Soils from Bauxite in Southeastern Brazil: Resiliion as a SoilForming Process. ABSTRACT Pedological studies using Xray diffraction (XRD), Xray fluorescence (XRF), optical microscopy, and scanning electron microscopy (SEMEDS) showed a Xanthic Ferralsol formed from the degradation of bauxite on a slope in the .
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WEBOct 25, 2023 · The evolution of Jamaica's bauxite industry is explored. Jamaican bauxite was seemingly a subeconomic resource until innovative research upgraded it to a valuable commodity which provided great financial benefit to the country. The aluminium industry is global, highly political, and complex, and Jamaica's journey of 70 years of commercial ...
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WEBAbstract. The term «bauxite» was introduced by Berthier (1821) and refers to rock samples belonging to the laterite type. Lateritic bauxites have been studied by many, mainly by prospection and exploration geologists, and by geologists, soil scientists and geomorphologists interested in the mechanisms of bauxite formation and evolution.
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WEBApr 27, 2022 · The bauxite and clay deposits of Western Henan, loed in the southern part of the North China Craton (NCC), are rich reserves of bauxite ore, and the provenance of this bauxite has received much attention. In this study, Xray diffraction and detrital zircon U–Pb dating (using laser ablation–inductively coupled plasma–mass spectrometry ...
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WEBNov 1, 2013 · Fig. 3. Field photographs illustrating the paleokarstic terrain and orebody features of the Gu lands in the Guangou pit; (b) contact between semiweathered limestone and overlying fe limestone in the local highland area. "Genesis of the Guangou karstic bauxite deposit in western Henan, China"
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WEBJun 1, 2017 · However, the detailed oreforming process, elemental behaviors during weathering, and the provenance material of the ZSFMB bauxites have long been a matter of debate and remain ambiguous. ... Mineral genesis and distinctive structures within bauxite ores. The genesis and relationship among various minerals in the karst bauxites reflect .
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WEBJan 1, 2015 · Based on previous work, investigation of hand samples, XRD and SEM analysis, the mineral morphology and genesis of bauxite deposits in WZD area have been discussed here, and the result shows that ...
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WEBOct 1, 2010 · Karst bauxites are the most important aluminium resources of Europe and have therefore been intensely mined and studied in the past. However, the genesis of many bauxite occurrences remains ...
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WEBNov 1, 2013 · The Guangou bauxite deposit in western Henan, China, is loed in the North China Block and to the north of the North Qinling orogenic belt. The orebody is hosted within the lower member of the Carboniferous Benxi Formation, which overlies unconformably upon the Ordovician Majiagou Formation. In the lower member of the .
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WEBJul 19, 2018 · article{Wang2018CombinedTA, title={Combined tectonic and paleogeographic controls on the genesis of bauxite in the Early Carboniferous to Permian Central Yangtze Island}, author={Ruixue Wang and Qingfei Wang and Yuanxiao Huang and Shujuan Yang and Xuefei Liu and Qi Zhou}, journal={Ore Geology Reviews}, .
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WEBAug 31, 2021 · During the leaching process, SiO2 as a mobile compound decreased significantly in neutral pH, while Al2O3 and Fe2O3 precipitated as residual materials to form bauxite concretion.
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WEBApr 3, 2023 · Bauxite is a sedimentary rock mineral that is the primary source of aluminum. It is formed through the weathering of aluminumrich rocks in tropical and subtropical regions. The name bauxite is derived from the French village of Les Baux, where it was first discovered in 1821 by geologist Pierre Berthier. Bauxite is typically found in layers .
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WEBJun 15, 2017 · The fluidizedbed homogeneous granulation process (FBHGP) addressed the issue for oxalate recovery from bauxite wastewater. It can be an option to be used in treating semiconductor wastewaters from washing and etching processes with oxalic acid. FBHGP is an innovative process that can synthesize granules in the .
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WEBMay 1, 2018 · The genesis of bauxite is closely related to carbonate or mafic basement and controlled by lithofacies paleogeography, paleoclimate, palaeogeomorphology and other factors. ... Ore forming process ...
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WEBThe bauxite deposits in western Henan are the typical ones representative of karstic bauxite deposits in typical bauxite deposits in western Henan were chosen to conduct researches of mineral composition,occurrence,genesis and evolutionary sequence through analyses using XRD,SEMEDS,EPMA and DTA results show .
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WEBApr 1, 2022 · The provenances of Lindai bauxite were mixed lithology rather than single dolomite. • The formation of diaspore includes supergene crystallization and metamorphism. • The Lindai bauxite contains high contents of critical trace and rare earth elements. • This study gives new insights into the genesis of karstic bauxite in central Guizhou.
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WEBApr 5, 2023 · The leaching process was not developed at the Febearing claystone under alkaline water conditions, and thus metal ions (, Fe or Al) and silicon ions had not been separated and enriched separately. ... NW : constraints on bauxite genesis and the distribution of critical raw materials. J. Geochem. Explor., 241 (2022), p. 107056. View .
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WEBOct 10, 2015 · Bauxite residue (red mud), an alkaline, saline bauxite processing waste, is mainly produced by the Bayer process in which alumina is extracted from bauxite (Xue et al. 2015).The global inventory of bauxite residue reached an estimated billion tons in 2014 and is predicted to increase by 120 million tons per annum (Klauber et al. .
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WEBDOI: / Corpus ID: ; Genesis of karst bauxitebearing sequences in Baofeng, Henan (China), and the distribution of critical metals article{Yang2019GenesisOK, title={Genesis of karst bauxitebearing sequences in Baofeng, Henan (China), and the distribution of critical metals}, author={Shujuan Yang .
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WEBJan 1, 2015 · Bauxite genesis covers all those processes of alteration and sedimentation which lead to th e formation of rocks enriched in alumi num, including processes o f weathering, transpo rtation and
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WEBMar 1, 2009 · The mineralogy and genesis of bauxite deposits of Jamaica. American Mineralogist (1955) Horsfield ... to carry out detailed mineral microanalysis and pyrite sulfur isotope analysis to further understand the metallogenic process of bauxite in this region. Taiping bauxite contains two layers: the lower bauxite layer and the upper ...
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WEBMar 3, 2021 · A probable outline of the bauxiteformation process on the southern NCC, former weathered residuals and subsequent deposition, is proposed; and a reasonable interpretation that the NQB was ...
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WEBApr 1, 2017 · This pattern of critical metal enrichment reflects a threestage genesis of bauxite linked to in situ weathering and bauxitization, which provide insights into the weathering history of other ...
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WEBNov 1, 2013 · The Guangou bauxite deposit in western Henan, China, is loed in the North China Block and to the north of the North Qinling orogenic orebody is hosted within the lower member of the Carboniferous Benxi Formation, which overlies unconformably upon the Ordovician Majiagou Formation. In the lower member of the .
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