SCSIO OpenIR  > 中科院边缘海地质重点实验室
Exhumation process of Middle-Upper Yangtze since Cretaceous and its tectonic significance: low-temperature thermochronology constraints
Shi, HC; Shi, XB; hcshi@scsio.ac.cn; xbshi@scsio.ac.cn
2014
发表期刊CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION
ISSN0001-5733
卷号57期号:8页码:2608-2619
摘要A total of 60 new apatite fission track (AFT) data from Middle-Upper Yangtze block provide a database to evaluate the Late Mesozoic and Cenozoic denudation and cooling history of Middle-Upper Yangtze block on a regional scale; combined with the previous published AFT data, the temporal-spatial correlation is preliminarily constructed between regional Cenozoic tectonic activities and intra-continental deformation. The difference in denudation or cooling history among each part is regionalized and successive in space, and is episodic in time. It was first deformed and folded in Jianghan bansin and Huangling uplift, and then the onset timing of formation becomes later from N(E) to S(W) in Micasngshan and Dabashan, while others become later from southeast to northwest, including Xiang'exi, east and northeast Sichuan basin, which stands for the characteristics of spatial variation. Episodic characteristics of tectonic movement in time are mainly shown as alternative rapid cooling processes and slow cooling processes. The age of the AFT from different geological units in Micang shan and Daba shan becomes smaller from N(E) to S (W), which means that it was controlled by the thrusting compression of Qinling-Dabie orogen in Late Mesozoic and Cenozoic; while the age of the AFT from Xiang'exi, east and northeast Sichuan basin becomes smaller from southeast to northwest, standing for the far-field effect of subduction of Pacific plate. The rapid exhumation and cooling event in Late Cenozoic was atributed to uplifting and the northeastward growth of the Tibetan Plateau and onset of the Asian monsoon. The systematic analysis of AFT can provide geochronological constraints on the progressive expansion tectonic deformation of the Middle-Upper Yangtze block.
部门归属[Shi Hong-Cai ; Shi Xiao-Bin] Chinese Acad Sci, South China Sea Inst Oceanol, CAS Key Lab Marginal Sea Geol, Guangzhou 510301, Guangdong, Peoples R China ; [Shi Hong-Cai] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
关键词Yangtze Block Fission Track Uplift And Denudation Tibetan Plateau Late Mesozoic And Cenozoic
学科领域Geochemistry & Geophysics
URL查看原文
收录类别sci
资助项目海洋地质
WOS记录号WOS:000341070200020
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/10609
专题中科院边缘海地质重点实验室
通讯作者hcshi@scsio.ac.cn; xbshi@scsio.ac.cn
推荐引用方式
GB/T 7714
Shi, HC,Shi, XB,hcshi@scsio.ac.cn,et al. Exhumation process of Middle-Upper Yangtze since Cretaceous and its tectonic significance: low-temperature thermochronology constraints[J]. CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,2014,57(8):2608-2619.
APA Shi, HC,Shi, XB,hcshi@scsio.ac.cn,&xbshi@scsio.ac.cn.(2014).Exhumation process of Middle-Upper Yangtze since Cretaceous and its tectonic significance: low-temperature thermochronology constraints.CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,57(8),2608-2619.
MLA Shi, HC,et al."Exhumation process of Middle-Upper Yangtze since Cretaceous and its tectonic significance: low-temperature thermochronology constraints".CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION 57.8(2014):2608-2619.
条目包含的文件
条目无相关文件。
个性服务
推荐该条目
保存到收藏夹
查看访问统计
导出为Endnote文件
相关权益政策
暂无数据
收藏/分享
所有评论 (0)
暂无评论
 

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。