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Carbonate-replacement Zn-Pb deposits are formed through fluid circulation within carbonate rocks and are an important global source of Zn and Pb. The Caixiashan carbonate-replacement deposit is one of the largest Zn-Pb systems in China. The Mesoproterozoic syn-sedimentary stage (I) of the Caixiashan deposit is characterized by sulfides with negative δ34S values (−25.3 to −8.6‰) generated by organic...
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