The Stress Field of Late Mesozoic-Cenozoic Tectonics in the Northern <?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:PlaceName w:st="on">Qaidam</st1:PlaceName> <st1:PlaceType w:st="on">Basin</st1:PlaceType>, <st1:place w:st="on">Northwest China</st1:place>: Evidences from the Analysis of Joints Data <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p>

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The Stress Field of Late Mesozoic-Cenozoic Tectonics in the Northern Qaidam Basin, Northwest China: Evidences from the Analysis of Joints Data

详细信息

责任者：Ren Shoumai (Strategic Research Center of Oil & Gas Resources ; Ministry of Land and Resources ; Beijing 100034 ; China) ; Ge Xiaohong
刊名：Geological Bulletin of China
出版年：2009
卷期：28(7)
关键词：构造应力场 ; tectonic stress field ; 节理 ; joints ; 柴达木盆地 ; Qaidam Basin
页码：p.877-887
图表：6 illus., 2 tables, 43 refs.
分类号：0300
issnNo：ISSN1671-2552
isbnNo：CN11-4648/P

摘要

The tectonic evolution of Qaidam Basin, especial on the Mesozoic and the Cenozoic period, is still in debated. In order to determine the stress field of the northern Qaidam Basin and to discuss the tectonic evolution of this area in the Mesozoic-Cenozoic, the authors carried out joints data measurements from sections of Lenghu No.0, No.4, Eboliang and Jielusu. The authors then deduced the stress direction applying the strata recovery technique to the different formations. The results suggest that the northern Qaidam basin mainly experienced E-W compression after the Middle-Late Jurassic, which is in accordance with previous results.

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