WEBHollitt M, Kisler J. and Raahauge B, "The Comalco Bauxite Activation Process", Proceedings of 6th International Alumina Quality Workshop, 2002, 115–122. Google Scholar Brown N, "Some studies of the iron mineral transformations during high temperature digestion of Jamaican bauxite", Light Metals, 1974, 825–844.
WEBXuefei Liu. Bauxite is the world's main source of aluminum and typically consists of gibbsite, boehmite, and minor amounts of diaspore. However, bauxite deposits from the North and South China ...
WEBThe metallogenic process of karstic bauxite in Central Yunnan Basin (CYB) remain obscure. ... Combined tectonic and paleogeographic controls on the genesis of bauxite in the Early Carboniferous to ...
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}, .
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 .
WEBarticle{Yang2021GenesisOE, title={Genesis of endGuadalupian bauxite and pyrite deposits in the Youjiang Basin (South China): Insights into the causative link between magmatic events and mass extinction}, author={Shujuan Yang and Qingfei Wang and Xulong Lai and Long Qiao and Ruixue Wang and Yuanxiao Huang and Yizhe Wang}, .
WEBJul 1, 2018 · Two bauxite horizons, with a total reserve of Bt, occur in the Lower Carboniferous and Lower Permian in the central South China Block. Different from other intracontinental bauxites in China ...
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.
WEBAug 1, 2023 · The denitrifiion was the predominant process at nitrogen cycling in bauxites. ... Impliions for the regional tectonic evolution and bauxite genesis. J. Asian Earth Sci., 98 (2015), pp. 421435, / View PDF View article View in Scopus Google Scholar.
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.
WEBJul 1, 2010 · In the Bayer process, the bauxite dissolves in a sodium. hydroxide solution at temperatures ranging from 373 to 543. K depending on the form of alumina in the bauxite [1,10]. Dissolution ...
WEBApr 25, 2013 · The geological characteristics of bauxite in Duancun Leigou of He'nan,are similar to other mines in the same minerialization,but there are some differences .By the comparative analysis of lithology,morphology and chemical composition of ore,this article considers the causes obey the three stages of bauxite genesis in the western of He'nan .
WEBMay 1, 2020 · As for karst type bauxite, Mongelli, 1997, Öztürk et al., 2002 studied the genesis of the bauxite formation in the southern Aplian block in Italy and in Taurides, Turkey respectively and Temur and Kansun (2006) explained the process of bauxite deposition in Masatdaqqi region of Turkey.
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 ...
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 .
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 ...
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 . .
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 .
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"
WEBApr 1, 1984 · Anatase similarly shows a minor enrichment from the bed rock to the bauxite cap. IMPLICATIONS OF BAUXITE GENESIS The preceeding description of the mineralogy and petrography of the bed rocks, the intervening lithomarge zone, and the overlying bauxite cap brings out vital clues regarding the nature of the bauxitisation process in .
WEBSubaerial leaching process of sedimentary bauxite and the discussion on classifiions of bauxite deposits[J]. Journal of Palaeogeography, 2020, 22（5）： 812826. ... The genesis of bauxite and the sedimentary process of its ore deposit in China[J]. Acta Sedimentologica Sinica, 1986, 4（1）： 18. ...
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 ...
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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