Geo-tectonic conditions of the formation of Proterozoic large and superlarge ore deposits along northwestern margin of North China Plate

Four large and superlarge copper-multimetal ore deposits hosted in the Mid-Proterozoic Zhartaishan Group along northwestern margin of North China Plate are stratabound hydrothermal sedimentary deposits, and these deposits formed in mid-late stage of the Mid-Proterozoic Langshan-Zhartaishan rifting s...

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Bibliographic Details
Published in:Science China. Earth sciences 1998-04, Vol.41 (S1), p.13-20
Main Authors: Xu, Guizhong, Bian, Qiantao, Zhou, Shaoping
Format: Article
Language:English
Subjects:
China
Copper ores
Deposition
Deposits
Earth sciences
Geology
Lithofacies
Metallogenesis
Mineral deposits
Precambrian
Rifting
Sediment
Sediment deposits
Tectonics
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Summary:Four large and superlarge copper-multimetal ore deposits hosted in the Mid-Proterozoic Zhartaishan Group along northwestern margin of North China Plate are stratabound hydrothermal sedimentary deposits, and these deposits formed in mid-late stage of the Mid-Proterozoic Langshan-Zhartaishan rifting system. Four necessary conditions are proposed for the formation of these large and superlarge ore deposits: (i) favorable geological background and tectonic environment; (ii) abundant sources of metallogenic material; (iii) favorable sedimentary lithofacies and paleogeographic conditions; (iv) sudden change events during metallogenic processes.
ISSN:1006-9313
1674-7313
1862-2801
1869-1897
DOI:10.1007/BF02875633