Meso-Cenozoic tectonic evolution of the Dangyang Basin, north-central Yangtze craton, central China
Meso-Cenozoic tectonic evolution of the Dangyang Basin, north-central Yangtze craton, central China
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扬子克拉通中北部当阳盆地中新生代构造演化
DOI：
10.1080/00206814.2012.715732
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发表时间：
2013-02
影响因子：
2.6
通讯作者：
Wei Shi,Shu-Wen Dong,Lothar Ratsc
中科院分区：
文献类型：
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作者：
Wei Shi,Shu-Wen Dong,Lothar Ratsc
根据详细的构造资料和当阳盆地已有的构造年代学资料，认为扬子克拉通中北部自晚三叠世以来经历了三个构造演化阶段。晚三叠世至早侏罗世(T3-J1)，由于印支造山作用，发生了近N-S挤压缩短作用，使当阳盆地成为秦岭-大别造山带的前陆盆地。晚侏罗世-早白垩世(J3-K1)，燕山期陆内造山作用导致同时期NE-SW和NW-SE向缩短，导致前陆盆地强烈褶皱，收缩形成了沿SE方向发散、NW方向强烈收敛的围绕黄陵背斜的刷状构造。晚白垩世至古近纪，由于造山后的ENE-WSW伸展作用，远安和汉水地块与当阳盆地其他地区分离。最后，在古近纪末期，ENE-WSW缩短导致地块反转变形。
Based on detailed structural data and available tectonic chronological data from the Dangyang Basin, the authors propose that the north-central Yangtze craton experienced three stages of tectonic evolution since Late Triassic time. In the Late Triassic to Early Jurassic (T3–J1), due to the Indosinian orogeny, nearly N–S compression and shortening occurred, which initiated the Dangyang Basin as a foreland basin of the Qinling–Dabie orogen. During the Late Jurassic–Early Cretaceous (J3–K1) period, the Yanshanian intracontinental orogeny caused contemporaneous NE–SW and NW–SE shortening, which resulted in intense folding of the foreland basin; contraction formed a brush structure diverging in a SE direction and strongly converging in a NW direction around the Huangling anticline. In the Late Cretaceous to Palaeogene, the Yuan'an and Hanshui grabens were separated from other parts of the Dangyang Basin due to post-orogenic ENE–WSW extension. Finally, at the end of the Palaeogene, ENE–WSW shortening led to inversion and deformation of the grabens.
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DOI：
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DOI：
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发表时间：
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影响因子：
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