Porphyry Cu-Mo-Au deposits, related to the Late Mesozoic adakitic porphyries of Fujiawu, Tongchang and Zhushahong that intruded Mesoproterozoic slate and phyllite. Only the Tongchang deposit is mined at a larger scale. A small scale operation is centered at the Fujiawu deposit, whereas the Zhushahong deposit is not presently worked. The Guanmaoshan gold deposit, located between the Tongchang and Fujiawu deposits, does also belong to the ore field.
The Dexing ore field is the largest porphyry copper ore field in China, with estimated reserves of 1.5 billion tonnes of ore grading at 0.43% Cu, 0.02% Mo, 0.16 g/t Au, and 1.9 g/t Ag.
Located southeast of Jingdezhen.
References
- Yan, M.-Z., and Hu, K. (1980): Geological characteristics of the Dexing porphyry copper deposits, Jiangxi, China, in: Ishihara, S., and Takenouchi, S., eds., Granitic magmatism and related mineralization. Mining Geology Special Issue, no. 8, 197-203.
- Argall, G.O., Jr. (1981): Huge Chinese porphyry: Dexing operations and plans. World Mining 34(1), 24-28.
- Yu C.-W. (1981): Mechanisms of ore formation and primary dispersion at the Dexing porphyry copper deposit, Jiangxi, and their implications in geochemical exploration. Journal of Geochemical Exploration 15, 115-137.
- Fan, P.-F. (1984): Geologic setting of selected copper deposits of China. Economic Geology 79, 1785-1795.
- Chen, C., and Li, G. (1990): Dexing copper mine. Mining Magazine 162(4), 287-288.
- Ge, C., Sun, H., and Zhou, T. (1990): Copper deposits of China, in: Mineral deposits of China, Vol. 1, Geological Publishing House, Beijing, p. 1-106.
- Zhang, H., Pei, R., and Wu, L. (1993): Evolution of the porphyry copper deposits from Proterozoic to Cenozoic Era in China. Proceedings of the 29th International Geological Congress 1992, Mineral Resources Symposia Volume A, Resource Geology Special Issue, no. 15, Tokyo, p. 55-65.
- Zhai, Y., Deng, J., and Peng, R. (1997): Some major mineral deposits in China: their tectonic setting and deposit model characteristics, in: Pei, R., ed., Energy and mineral resources for the 21st century, geology of mineral deposits, mineral economics. Proceedings of the 30th International Geological Congress, Beijing, China, 4-14 August, 1996, Vol. 9, Utrecht, Netherlands, VSP, 367-379.
- Rui, Z., Wang, L., and Wang, Y. (2002): Porphyry copper deposit models in China: Workshop on Assessing Undiscovered Mineral Resources, June 24Ð28, Beijing, China, China Geological Survey and U.S. Geological Survey, p. 42-52.
- Singer, D.A., Berger, V.I., and Moring, B.C. (2002): Porphyry Copper Deposits of the World: Database, Maps, and Preliminary Analysis. USGS Open-File Report 02-268.
- Lianxing Gu, Khin Zaw, Wenxuan Hu, Kaijun Zhang, Pei Ni, Jinxiang He, Yaotong Xu, Jianjun Lu, and Chunming Li (2007): Distinctive features of Late Paleozoic massive sulphide deposits in South China. Ore Geology Reviews 31(1-4), 107-138.
- Khin Zaw, Peters, S.G., Cromie, P., Burrett, C., and Zengqian Hou (2007): Nature, diversity of deposit types and metallogenic relations of South China. Ore Geology Reviews 31, 3-47.
- Singer, D.A., Berger, V.I., and Moring, B.C. (2008): Porphyry copper deposits of the world: Database and grade and tonnage models, 2008. US Geological Survey Open-File Report 2008-1155.
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