Features of Thrust Nappe Structure in Northern South Yellow Sea
详细信息
- 责任者：Yao Rong (Guangzhou Institute of Geochemistry ; Chinese Academy of Sciences ; Guangzhou 510640 ; China) ; Luo Kaiping
- 刊名：Petroleum Geology & Experiment
- 出版年：2011
- 卷期：33(3)
- 关键词：上冲断层 ; upthrust ; 推覆构造 ; nappe structure ; 南黄海盆地 ; South Yellow Sea Basin
- 页码：p.282-284,288
- 图表：6 illus., 9 refs.
- 分类号：0300
- 出版序号：723
- issnNo：ISSN1001-6112
- isbnNo：CN32-1151/TE
摘要
In marine formations of the northern South Yellow Sea, thrust nappe took place from NW to SE on Cambrian bottom, Silurian top (or Caledonian tectonic surface) and Upper Permian Longtan Formation coal strata. According to thrust nappe scale and basement involvement extent, the thrust nappe structure was divided into 3 belts from north to south: root, middle and front. The root located in the Qianliyan Uplift where a huge pre-Sinian thrust (overthrust) napped on the Paleozoic. The middle zone was from the Yantai Depression to the middle of Laoshan Uplift. Analyses of seismic data indicated that thrust nappe movements in the northern South Yellow Sea mainly took place from Indosinian to the early Yanshanian.
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