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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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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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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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 ...
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WEBDec 1, 2022 · More than 1 billion tons of bauxite was formed on the karstic surface of the Permian Maokou Formation limestone in the western Guangxi area of Youjiang Basin (YB).
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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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WEBJun 1, 2016 · A large bauxite deposit resulted from the favorable climate and abundant oreforming materials that weathered from underlying carbonates and magmatic rocks related to the Emeishan plume (Deng et al., 2010, Wang et al., 2010).The Permian bauxitization was terminated by a late Permian transgression that resulted in submergence 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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WEBJun 26, 2023 · On the basis of an adequate understanding of the genesis of bauxite mineralization, an integrated study has been carried out to analyse geological, statistical and geostatistical characteristics ...
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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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WEBApr 1, 2024 · These features are considered to derive from the similar geochemical behavior of the elements during the bauxite formation process (Zamanian et al., 2016). Upper continental crust ... Genesis of the Dogankuzu and Mortas Bauxite deposits, Taurides, Turkey: separation of Al, Fe, and Mn and impliions for passivemargin .
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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.
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WEBJun 1, 2018 · Request PDF | Terrestrial deposition processes of Quaternary gibbsite nodules in the Yongjiang Basin, southeastern margin of Tibet, and impliion for the genesis of ancient karst bauxite | The ...
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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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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. This ambiguity has been clarified from investigation of the provenance and geologicgeographic conditions for the formation of Quaternary gibbsite nodules in the Yongjiang .
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WEBFeb 25, 2021 · Bauxite is the main source of metal aluminum. In recent years, with the rapid economic and social development and the gradual progress of urbanization, China's aluminum demand is increasing year by year. In order to deepen the understanding of the spatial distribution and geological characteristics of bauxite and grasp the trend of .
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WEBThe genesis of only one of them can be adequately explained by the lateritization process. Lateritization usually means that aluminumbearing igneous rocks (like granite) ... The chemical process of bauxite formation is similar in both cases (clay is leached to aluminum hydroxides) but the source material and the general geological situation of ...
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WEBJan 9, 2009 · The process of pisolith formation occurs over the medium to long term as shown by the very complex internal fabrics of some, indiing many phases of reworking and regrowth. ... Rodenburg, J. K. Geology, genesis and bauxite reserves of West Kalimantan, Indonesia . Bauxite, Proceedings of the 1984 Symposium, Los Angeles, .
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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 ...
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WEBThe insoluble residue of middle Eocene to lower Miocene host rocks and alluvium from Cretaceous and lower Tertiary aluminous rocks contribute very little to bauxite deposits and associated most important control on the genesis and distribution of bauxite in Jamaica is subsurface drainage. Vertical drainage of vadose water through the ...
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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 ...
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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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WEBLaterite and Bauxite Formation. Economic Geology (1973) 68 (3): 353–361.
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WEBJul 1, 2022 · article{Chen2022GenesisOT, title={Genesis of the Danping bauxite deposit in northern Guizhou, Southwest China: Constraints from insitu elemental and sulfur isotope analyses in pyrite}, author={Peiwen Chen and BingXu Liu and Tianshun Wang and Lingli Zhou and Yongbin Wang and Guotao Sun and Kejun Hou and Shenfu Weng and .
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WEBMineral, Petroleum and Coal Deposits. Charles S Hutchison, in Geology of NorthWest Borneo, 2005. Bukit Gebong. Bauxite has been formed from gabbro on the steepsided Bukit Gebong (334 m). The deposit was estimated to contain a mineable Mt of washed bauxite with an average composition of % alumina (Wolfenden and Haile, .
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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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WEBApr 1, 2022 · Aim of this research has been twofold: 1) to contribute towards a more comprehensive interpretation of the genesis of these bauxite deposits, and 2) to document the role of REEs, Ni, Co, Ti, ... However, Fe can be also removed from bauxite after the bauxitization process, due to acidic solutions (, organic acids) that leach Fe .
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WEBSep 1, 2022 · In the middle of the WZD area (Fig. 1 B), the Danping bauxite deposit is a superlarge deposit with resources of > 160 million tons and an Al 2 O 3 grade of %– % [Bureau of Geology and Mineral Exploration and Development Guizhou Province (BGMGZ), 2015].The mining region is distinguished by syncline structure with .
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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.
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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 ...
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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 ...
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WEBNov 1, 2013 · Mineral phases reflect parental affinities and record all the chemical effects during the oreforming processes, and many researchers have discussed the mineral genesis of karst bauxite (Bárdossy ...
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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 ...
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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 .
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