A preliminary study of NW Zhejiang foreland fold and thrust belt in Southeast China

被引：0
|
作者：
Wenjiao Xiao
Jiliang Li
Haiqing He
Haihong Chen
机构：
[1] Chinese Academy of Sciences,Institute of Geophysics
[2] Chinese Academy of Sciences,Institute of Geology
[3] Development,Institute of Petroleum Exploration
[4] China Oil and Gas Corp.,undefined
来源：
Science in China Series D: Earth Sciences | 1997年 / 40卷
关键词：
turbidites; passive continental margin; foreland molasse; duplex; foreland fold and thrust belt;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The Upper Permian Dalong Formation (P2d) and Changxing Formation (P2C), and the Lower Triassic Zhengtang Formation (Tlz) are of deep-water turbidites. The sedimentary features of the NW Zhejiang are of SE-dipping passive continental margin from the Paleozoic to the early Triassic. Together with the foreland molasse basin during the late Triassic (T3w), the tectonics of the NW Zhejiang is characterised by a tectogenesis which took place in the middle Triassic. From SE to NW, the structural style varies from multi-duplex, antiformal stack to imbricate fans, and then to Jura Mountain-type fold zone with fold-style varying gradually from large-scale tight fold to midscale chevron fold, then to cylindrical fold, reviewing a preliminary scenario of foreland fold and thrust belt. The space-distributed structures and the tectonic vergence indicate the significance of deformation in (T1-T3).
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页码：418 / 423
页数：5
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