中国地质2012,Vol.39Issue(5):1199-1210,12.
九江—瑞昌地区中新生代滑脱构造研究
Mesozoic-Cenozoic gliding detachment in Jiujiang-Ruichang area
摘要
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 — Ordoviciafi, 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).关键词
滑脱构造/九瑞地区/39Ar-40Ar/中新生代Key words
detachment structure /Jiujiang—Ruichang area/39Ar—40Ar/ Mesozoic—Cenozoic分类
天文与地球科学引用本文复制引用
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[J].中国地质,2012,39(5):1199-1210,12.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. (40972137)