Downward expansion of redoxcline forced the metallogeny of Middle Permian manganese carbonate deposits in the Qianzhong Rift Basin, South China
Description
Fig. S1 The Late Capitanian (Late Maokou stage) and Early Wuchiapingian (Early Longtan stage) lithofacies and paleogeography of the study area (adapted from Chen et al., 2003). Fig. S2 Mineral microstructure and phase assemblages of the lower and upper ore-bed in the Zunyi Mn deposit. (a-c) TIMA primary phase (a), rhodochrosite (b), and Fe-rhodochrosite (c) phase mapping, respectively, of the sample CG-09. (d-f) TIMA primary phase (d), rhodochrosite (e), and Fe-rhodochrosite (f) phase mapping, respectively, of the sample CG-14. Fig. S3 Scatter plot of MnO content versus δ13C or TOC values for the Zunyi Mn carbonate deposits. Table S1. EMPA date of the Zunyi (Changgou) Mn deposit. Table S2. Major (Table S2-1), trace (Table S2-2), and rare earth (Table S2-3) element compositions of Zunyi Mn deposits. Table S3. The δ13Ccarb compositions of Zunyi Mn deposits (Table S3-1; including Changgou, Nancha, Tongziwo, Changzheng, Zunyi, and Xiaolong Mn deposit) and various carbonate-rich Mn deposits worldwide (Table S3-2). Table S4. The TS, TOC, carbon, sulfur, and molybdenum isotopic results for Changgou (Zunyi) Mn ore and associated wall rock samples from the Zunyi Mn deposit. Table S5. The MnO content and δ13Ccarb compositions of Mn carbonate deposits worldwide. Table S6. The compilation of δ98Mo isotopic compositions of major Mn carbonate ores or sediments (Table S5-1) and seawater (seawater Table S5-2) throughout geologic history.