Abstract
The Shuangjiangkuo-Jiangjunmiao fluorite ore deposit occurs in Early Yenshanian granites in the fold system of south China. The average homogenization temperature of inclusions in fluorite is 250°C. The contents of CO2 and CH4 in the inclusions tend to increase from southeast to northwest as well as in the vertical direction. Liquid in the inclusions is composed mainly of CaO, F and Cl with minor SO 24 . All this has contributed a lot to the formation of fluorite as well as to wall-rock alteration. This ore deposit is evidenced to be mesothermal in origin.
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References
Marmo, V., «Granite Petrology and Granite Problems», Geological Publishing House, Beijing (Chinese version), 1979, 10–11.
Laboratory of Fluid Inclusions, Institute of Geochemistry, Academia Sinica, «Fluid Inclusions in Minerals and Their Application in Geology», Geological Publishing House, Beijing, 1977, 6–9 (in Chinese).
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Dengfeng, T. A study of inclusions in fluorite from the Shuangjiangkou-Jiangjunmiao fluorite ore deposit in Hunan Province. Chin. J. of Geochem. 7, 281–288 (1988). https://doi.org/10.1007/BF02840971
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DOI: https://doi.org/10.1007/BF02840971