九江—瑞昌地区中新生代滑脱构造研究

朱清波; 杨坤光; 程万强

九江—瑞昌地区中新生代滑脱构造研究

1.
南京地质矿产研究所,江苏南京 210016
2.
中国地质大学(武汉)构造与油气资源教育部重点实验室,湖北武汉 430074

基金项目: 国家自然科学基金项目(40972137)和中石化重大基础研究项目“中国南方中上扬子大陆构造与海相油气前景”联合资助。

计量
- 文章访问数: 3075
- HTML全文浏览量: 53
- PDF下载量: 3226
出版历程
- 刊出日期: 2012-10-24

Mesozoic-Cenozoic gliding detachment in Jiujiang-Ruichang area

1.
Nanjing Institute of Geology and Mineral Resources, China Geological Survey, Nanjing 210016, Jiangsu, China
2.
Key Laboratory of Tectonics and Petroleum Resources, Ministry of Education, China University of Geosciences, Wuhan 430074, Hubei, China

摘要

摘要: 提要：九江—瑞昌地区中新生代发育多层次、多期次、多形式的滑脱构造。受基底拆离断层、中新元古界/震旦系不整合面和志留系三套区域滑脱层(面)的控制，不同层次的构造变形差异明显，可概括为前震旦系基底滑脱系统、寒武—奥陶系滑脱系统、志留系滑脱系统和泥盆—三叠系滑脱系统。在不同时期不同大地构造背景下，发育了不同类型的滑脱构造：晚侏罗世至早白垩世初挤压型滑脱构造、早白垩世初(140 Ma)伸展型拆离滑脱构造及早白垩世晚期(113 Ma)重力滑脱构造。
- 滑脱构造 /
- 九瑞地区 /
- 39Ar-40Ar /
- 中新生代
Abstract: Abstract：In Jiujiang-Ruichang area, there are multi-level, multi-period and multi-type gliding detachments. The basement detachment faults and the unconformity between Neoproterozoic and Sinian and Silurian are territorial detachments, which control the detachment structures. Deformations are different at different levels. Four detachment systems (Presinian basement, Cambrian-Ordovician, Silurian, Devonian-Triassic) can be recognized. Different types of detachment structures were developed in different periods characterized by different backgrounds of geotectonics, which include extrusion detachment during Late-Jurassic to Early Cretaceous, extensional detachment in original Early Cretaceous (140Ma) and gravitational detachment in the late stage of Early Cretaceous period (113Ma).
- detachment structure /
- Jiujiang-Ruichang area /
- 39Ar-40Ar /
- Mesozoic-Cenozoic

HTML全文

参考文献(0)

施引文献

资源附件(0)

计量

文章访问数: 3075
HTML全文浏览量: 53
PDF下载量: 3226
被引次数: 0

九江—瑞昌地区中新生代滑脱构造研究

计量

出版历程

Mesozoic-Cenozoic gliding detachment in Jiujiang-Ruichang area

计量

出版历程

目录