Abstract
Manganese ore deposits are widely distributed in China. Based on features of regional tectonics and sedimentary environments as well as genetic characteristics, seven important metallogenic provinces can be classified. The commercial manganese ore deposits are distributed mainly on platforms and their marginal areas, especially those of relatively mobile platforms. The main metallogenic epochs of manganese ore deposits of China are Sinian and Devonian, in contrast with the famous Proterozoic, Cretaceous and Oligocene manganese deposits elsewhere in the world. Based on their modes of origin, manganese ore deposits in China can be divided into six types. Among them sedimentary and supergene deposits are the main types accounting for commercial manganese deposits. According to the lithological association of the ore bearing series, sedimentary manganese ore deposits can be classified into: (1) mud-rock type; (2) “black shale” type; (3) carbonate rock type. In addition, eight element association types can also be identified, among which BMn, SMn, CaMgMn and PMn types are quite special for manganese ore deposits in China.
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