2021
DOI: 10.1016/j.sedgeo.2021.105958
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Regional multi-sources of Carboniferous karstic bauxite deposits in North China Craton: Insights from multi-proxy provenance systems

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Cited by 33 publications
(5 citation statements)
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“…The Qinling and Central Asian orogenic belts formed on both sides of the North China Plate. This caused the uplift and denudation of the plate edge, which provided the provenance (mainly siliciclastic rocks) for the bauxite deposition (Wang et al., 2016; Yu et al., 2020; Zhao et al., 2021). The South China Plate was also affected by this tectonic event, leading to regional uplift, such as the Qianzhong uplift in Central Guizhou Province (Deng et al., 2020; Du & Xu, 2012).…”
Section: Discussionmentioning
confidence: 99%
“…The Qinling and Central Asian orogenic belts formed on both sides of the North China Plate. This caused the uplift and denudation of the plate edge, which provided the provenance (mainly siliciclastic rocks) for the bauxite deposition (Wang et al., 2016; Yu et al., 2020; Zhao et al., 2021). The South China Plate was also affected by this tectonic event, leading to regional uplift, such as the Qianzhong uplift in Central Guizhou Province (Deng et al., 2020; Du & Xu, 2012).…”
Section: Discussionmentioning
confidence: 99%
“…In addition to questioning the existence of an Early Jurassic Eastern Plateau, we also rule out sourcing in the Huangshi and Yueshan basins from the 1.8 Ga Dongling Complex in the Lower Yangtze region immediately east of the Yueshan Basin (Figure 1b) and the southern margin of NCC. This is because (i) the exhumation of the Dongling complex to shallow crustal levels occurred in the Early Cretaceous (Grimmer et al., 2003; Zhu et al., 2007, 2010), and thus postdates the time of sediment deposition and (ii) the Transā€North China Orogen on the southern margin of the NCC was subjected to highā€temperature and locally highā€pressure granuliteā€facies conditions at 1.85 Ga (Zhao & Cawood, 2012), which would result in rutile formation; this is clearly recorded in the Carboniferous bauxite deposits of the southern margin of the NCC (Zhao et al., 2021; Zhao & Liu, 2019). Thus, a large amount of 1.85 Ga metamorphic rutile is expected when considering an Upper Palaeozoic source from the southeastern margin of the NCC, but this is not observed (Figures 6 and 11).…”
Section: Discussionmentioning
confidence: 99%
“…The content variation in Ni in the horizontal and vertical directions is contrary to that of other elements, and the content of Ni in each sample is very different. Zr, Hf, Nb and Ta are positively correlated with TiO 2 , and the correlation is better than that of Al 2 O 3 , indicating that Zr, Hf, Nb and Ta have been kept in a relatively stable state during the mineralization of bauxite [24][25][26][27][28][29][30]. Through reading and secondary analysis of the documents related to the comprehensive utilization of gallium, lithium and scandium bauxite in northern Guizhou, it is known that, since the first discovery of bauxite in the Xiaoshanba area in 1941, after more than 70 years of prospecting and exploration work, 17 deposits have been explored, 25 deposits have been explored in detail, 36 deposits have been prospected, and 2 extra-large deposits and 12 large deposits have been proven.…”
Section: Trace Element Characterizationmentioning
confidence: 95%