Dongchuan-type copper, hosted in carbonatitic volcanic rocks and pyroclastic sedimentary rocks at the western side of the Wuding-Lufeng volcanic collapsed basin. The ore bodies occur as layers, bands and lenses conformable to the host carbonatitic rocks. The ores usually appear massive, impregnated and granular in carbonatitic rocks, and brecciform and sandy in pyroclastic sedimentary rocks.
References
- Yongbei Zhang, Shihua Sun, Chengyan Xu, Hao Wang, Chongshun Zhao, and Zhihua Zhu (2003): Carbonatitic Volcanic Genesis of Hetaoqing Fe-Cu Deposit in Central Yunnan, China. Resource Geology 53(4), 261-272.
- Yongbei Zhang, Guilan Wang, Jianfeng Nie, Chongshun Zhao, Chengyan Xu, Jiaxiang Qiu, and Hao Wang (2003): Isotopic Ages of the Carbonatitic Volcanic Rocks in the Kunyang Rift Zone in Central Yunnan, China. Acta Geologica Sinica 77(2).
Mineral List
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