中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Radiometric dating of sediments derived from metamorphic rocks of the Dabie orogenic belt in the Jurasic and Early Cretaceous

文献类型:期刊论文

作者Li Shuangying; Li Renwei; Meng Qingren; Wang Daoxuan; Liu Yin
刊名PROGRESS IN NATURAL SCIENCE
出版日期2006
卷号16页码:194-202
关键词Jurassic Dabie orogenic belt sediments stratigraphic framework chronosomes paleogeography provenance
ISSN号1002-0071
文献子类Article
英文摘要Using isotopic dating of tuff, heavy mineral and lithofacies, correlation of Jurassic strata on the northern margin of the Dabie orogenic belt (DOB) has been enabled in the Fenghuangtai, Zhougongshan, Maotanchang and Jingangtai formations, which might be as young as Early Cretaceous. Depositional systems have been interpreted as mainly alluvial fan, braided stream and overbank, secondarily fan-delta and lacustrine. The palaeocurrent systems of the Jurassic-Cretaceous basins can be divided into two classes: one transverse adjacent to the southern margin, the other longitudinal close to the middle flowing from west to east. Mesozoic sedimentary source rocks are mainly from the DOB and, according to their geochemistry, experienced evolution in a volcanic arc tectonic setting. The Jurassic-Cretaceous strata have been subdivided into four Chronosomes, and their overlapping progressively from east toward west implies that exhumation of the DOB characterized diachronous. Based on stratigraphic evidence from eclogite conglomerates found in the Maotanchang and Fenghuangtai formations, the first exposure of UHP (ultra-high pressure) rocks in the DOB occurred in Jurassic-Lower Cretaceous time. Further, phengites and Triassic zircons found in the Lower Jurassic Fanghushan Formation suggest that denudation began in the Early Jurassic.
WOS关键词EAST-CENTRAL CHINA ; HIGH-PRESSURE ; HEFEI BASIN ; PROVENANCE ; EXHUMATION ; MOUNTAINS ; PEBBLES
WOS研究方向Materials Science ; Science & Technology - Other Topics
语种英语
WOS记录号WOS:000240034200016
出版者TAYLOR & FRANCIS LTD
源URL[http://ir.iggcas.ac.cn/handle/132A11/66796]  
专题中国科学院地质与地球物理研究所
通讯作者Li Shuangying
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China
2.Hefei Univ Technol, Coll Nat Resources & Environm Engn, Hefei 230009, Peoples R China
推荐引用方式
GB/T 7714
Li Shuangying,Li Renwei,Meng Qingren,et al. Radiometric dating of sediments derived from metamorphic rocks of the Dabie orogenic belt in the Jurasic and Early Cretaceous[J]. PROGRESS IN NATURAL SCIENCE,2006,16:194-202.
APA Li Shuangying,Li Renwei,Meng Qingren,Wang Daoxuan,&Liu Yin.(2006).Radiometric dating of sediments derived from metamorphic rocks of the Dabie orogenic belt in the Jurasic and Early Cretaceous.PROGRESS IN NATURAL SCIENCE,16,194-202.
MLA Li Shuangying,et al."Radiometric dating of sediments derived from metamorphic rocks of the Dabie orogenic belt in the Jurasic and Early Cretaceous".PROGRESS IN NATURAL SCIENCE 16(2006):194-202.

入库方式: OAI收割

来源:地质与地球物理研究所

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