Probe into the Tectonic Nature of Neoproterozoic Southern Hunan-Northern Guangxi Marine Basin
详细信息
- 责任者：Xu Xiaosong (Chengdu Instiute of Geology and Mineral Resources ; Chengdu 610082 ; China) ; Liu Wei
- 刊名：Acta Geologica Sinica
- 出版年：2012
- 卷期：86(12)
- 关键词：构造演化 ; structural evolution ; 湖南 ; Hunan Province ; 广西 ; Guangxi
- 页码：p.1890-1904
- 图表：2 illus., 3 tables, 93 refs.
- 分类号：0300
- issnNo：ISSN0001-5717
- isbnNo：CN11-1951/P
摘要
///Neoproterozoic Hunan-Guangxi Marine Basin (Southern Hunan-Northern Guangxi, NHGMB), a remnant oceanic basin after that Paleo-South-China Ocean (PSCO) subducted to Lower Yangtze Block, was located between the South-East marginal of Middle-Upper Yangtze Block and Cathaysian Massif Group. From Pingxiang, via Chaling, to Chenzhou was a tectonic combination belt, the west side of this belt was belong to Yangtze sedimentary tectonic domain and NHGMB, deposited fine turbidite and siliceous argillite. Between Chenzhou and Hexian, there was Paleo-Nanling Rift Trough (PNRT) in east-west strike, which separated Yunkai Massif, Southeast Guangdong Massif and Luoxiao-Wuyi Massif. During the Caledonian tectonic cycle, NHGMB, PNRT and Cathyasian Sedimentary-Tectonic Domain turned into Hunan-Guangxi Caledonian Fold Belt and South China Caledonian Orogenic Belt with different strike respectively.
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