天水盆地新近纪伸展构造——来自沉积与构造变形方面的证据

被引:9
作者
马收先 [1 ]
李海龙 [2 ]
张岳桥 [2 ]
李建 [2 ]
机构
[1] 中国地质科学院矿产资源研究所国土资源部成矿作用与资源评价重点实验室
[2] 中国地质科学院地质力学研究所
关键词
天水盆地; 岩相组合; 伸展构造; 构造沉降;
D O I
暂无
中图分类号
P542 [构造运动];
学科分类号
摘要
天水盆地位于青藏高原东北缘高海拔挤压隆升区与鄂尔多斯低海拔伸展区的过渡部位,新构造活动强烈。然而,新构造活动对天水盆地的影响尚不清楚。通过对盆地的沉积环境、构造沉降、构造变形等方面的研究,结果显示:1盆地由风成堆积、洪积扇、河湖相与湖泊相沉积组成,代表沉积中心的河湖相与湖泊相沿控盆断裂(西秦岭北缘断裂、西和断裂与礼县-罗家堡断裂)分布;2盆地经历了16~14Ma、9.2~7.4Ma和3.6~2.6Ma三次加速沉降期;3控盆断裂在同沉积期为正断层。沉积中心沿断裂分布、快速沉降事件及生长正断层表明,天水盆地至少在中新世晚期受控于走滑伸展构造,记录了青藏高原向北东方向的构造挤出作用。
引用
收藏
页码:1314 / 1323
页数:10
相关论文
共 38 条
[11]  
青藏高原北缘新生代沉积演化与高原构造隆升过程[D]. 宋春晖.兰州大学 2006
[12]  
黄河中游黄土[M]. 科学出版社 , 刘东生等著, 1964
[13]  
Late Cenozoic orogenic history of Western Qinling inferred from sedimentation of Tianshui basin, northeastern margin of Tibetan Plateau[J] . Xiuxi Wang,Jijun Li,Chunhui Song,Massimiliano Zattin,Zhijun Zhao,Jun Zhang,Yong Zhang,Kuang He.International Journal of Earth Sciences . 2012 (5)
[14]  
Eocene onset and late Miocene acceleration of Cenozoic intracontinental extension in the North Qinling range–Weihe graben: Insights from apatite fission track thermochronology[J] . Jianhui Liu,Peizhen Zhang,Richard O. Lease,Dewen Zheng,Jinglin Wan,Weitao Wang,Huiping Zhang.Tectonophysics . 2012
[15]  
Timing of X unhua and G uide basin development and growth of the northeastern T ibetan P lateau, C hina[J] . Shaofeng Liu,Guowei Zhang,Feng Pan,Huiping Zhang,Ping Wang,Kai Wang,Yan Wang.Basin Res . 2012 (1)
[16]   Magnetostratigraphy of the Xihe loess-soil sequence and implication for late Neogene deformation of the West Qinling Mountains [J].
Ge, Junyi ;
Guo, Zhengtang ;
Zhan, Tao ;
Yao, Zhengquan ;
Deng, Chenglong ;
Oldfield, Frank .
GEOPHYSICAL JOURNAL INTERNATIONAL, 2012, 189 (03) :1399-1408
[17]   Magnetostratigraphy of the Neogene Chaka basin and its implications for mountain building processes in the north-eastern Tibetan Plateau [J].
Zhang, Hui-Ping ;
Craddock, William H. ;
Lease, Richard O. ;
Wang, Wei-tao ;
Yuan, Dao-Yang ;
Zhang, Pei-Zhen ;
Molnar, Peter ;
Zheng, De-Wen ;
Zheng, Wen-Jun .
BASIN RESEARCH, 2012, 24 (01) :31-50
[18]  
Magnetostratigraphy and depositional history of the Miocene Wushan basin on the NE Tibetan plateau, China: Implications for middle Miocene tectonics of the West Qinling fault zone[J] . Zhicai Wang,Peizhen Zhang,Carmala N. Garzione,Richard O. Lease,Guangliang Zhang,Dewen Zheng,Brian Hough,Daoyang Yuan,Chuanyou Li,Jianhui Liu,Qinglong Wu.Journal of Asian Earth Sciences . 2011
[19]  
Eocene to Pliocene exhumation history of the Tianshui-Huicheng region determined by Apatite fission track thermochronology: Implications for evolution of the northeastern Tibetan Plateau margin[J] . Xiuxi Wang,Massimiliano Zattin,Jijun Li,Chunhui Song,Tingjiang Peng,Shanpin Liu,Bin Liu.Journal of Asian Earth Sciences . 2011 (1)
[20]  
Direct dating of Eocene reverse faulting in northeastern Tibet using Ar-dating of fault clays and low-temperature thermochronometry[J] . Alison R. Duvall,Marin K. Clark,Ben A. van der Pluijm,Chuanyou Li.Earth and Planetary Science Letters . 2011 (3)