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.
WEBJun 1, 2022 · Introduction. Bauxite residue is a highly alkaline waste discharged from the process of alumina production. In recent years, the global industrial inventory is approximately 5 billion tons, with an annual increase of 200 million tons (Wu et al., 2020).Due to its high salinealkalinity, and potential environmental risk, the .
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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WEBMar 10, 1987 · Genesis of certain bauxite profiles from India. An attempt is made to reveal a geochemical compatibility with paleoenvironment to understand the genesis of bauxite deposits that are derived from two different parent rocks. For this purpose two in situ bauxite profiles, one developed over basalt and another over sandstone, have been taken.
WEBOct 1, 2022 · 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 ...
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.
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 .
WEBLaterite and Bauxite Formation. Economic Geology (1973) 68 (3): 353–361.
WEBJun 1, 2021 · The bauxite genesis is recorded in the bauxite geochemical composition as a unique signature of tectonostratigraphic evolution of the different parts of the Croatian Karst, including, for example ...
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 .
WEBDOI: /RBCS Corpus ID: ; Genesis of Soils from Bauxite in Southeastern Brazil: Resiliion as a SoilForming Process article{Mateus2017GenesisOS, title={Genesis of Soils from Bauxite in Southeastern Brazil: Resiliion as a SoilForming Process}, author={Ana Carolina Campos Mateus .
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WEBFeb 1, 2022 · The genesis of the Lindai bauxite deposit, including the parental affinity, mineral genesis, migration and sedimentation, and oreforming process of the bauxite, has been described in detail by ...
WEBApr 1, 2017 · More than billion tons of late Permian bauxite overlies the karstic topography of the Maokou Formation of western Guangxi in China. Here, we provide new mineralogical, geochemical, Sr–Nd–Pb isotopic, and pyrite S isotope and trace element compositional data for the Pingguo bauxite deposit, aiming to further our understanding .
WEBbauxite, rock largely composed of a mixture of hydrous aluminum oxides. Bauxite is the principal ore of aluminum. Bauxites vary physically according to the origin and geologic history of their deposits: some deposits are soft, easily crushed, and structureless; some are hard, dense, and pisolitic, or pealike; still others are porous but strong ...
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 ...
WEBJan 1, 2023 · DOI: / Corpus ID: ; Metallogenic process of Permian Taiping karstic bauxite deposit in Youjiang Basin, China article{Sun2023MetallogenicPO, title={Metallogenic process of Permian Taiping karstic bauxite deposit in Youjiang Basin, China}, author={Xuefei Sun and Shujuan Yang and .
WEBFeb 1, 1994 · The process takes place predominantly in the stability field of kaolinite but only the slow reaction rate of kaolinite allows the removal of freshly formed colloidal and Xray amorphous kaolinitic constituents by drainage solutions. ... White,, 1976. Genesis of low iron bauxite, Northeastern Cape York, Queensland, Australia. Econ. Geol ...
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 .
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
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.
WEBOct 1, 2018 · This provides us a precious chance to explore the genesis of bauxite formed in an intracontinental setting without impact of simultaneous orogenesis in the marginal areas. The mineralogy and geochemistry of the bauxites along with the source materials have been investigated in previous studies (Ling et al., 2017, Ling et al., 2015, Long et al ...
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 20, 2012 · The ParnassosGhiona bauxite deposit in Greece of karst type is the 11th largest bauxite producer in the world. The mineralogical, major and traceelement contents and δ18O, δ12C, δ34S isotopic compositions of bauxite ores from this deposit and associated limestone provide valuable evidence for their origin and biogeochemical .
WEBJan 23, 2022 · Bauxite tailings are solid waste produced during the mining and beneficiation of certain bauxites before their digestion in the Bayer process. The research was conducted in two stages.
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 .
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
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 ...
WEBApr 1, 2017 · More than billion tons of late Permian bauxite overlies the karstic topography of the Maokou Formation of western Guangxi in China. Here, we provide new mineralogical, geochemical, Sr–Nd–Pb isotopic, and pyrite S isotope and trace element compositional data for the Pingguo bauxite deposit, aiming to further our understanding .
WEBOct 1, 2018 · The terrestrial deposition process for karst bauxite is difficult to constrain due to its allochthonous origin, multiple controls and the difficulty in geodynamic reconstruction. ... Yongjiang profile: opening a window into ancient karst bauxite. The genesis of ancient karsttype bauxite still remains a mystery, because multidisciplinary ...
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