THE LATE QUATERNARY RIGHT LATERAL STRIKE-SLIPPING OF ZHONGDIAN—DAJU FAULT IN NORTHWEST YUNNAN, CHINA

作     者：Shen Jun,Wang Yipeng[WT5,5”BX](Institute of Geology of China Seismological Bureau,Beijing 100029,China) 

出 版 物：《地学前缘》 (Earth Science Frontiers)

年 卷 期：2000年第7卷第S1期

页      面：302-303页

核心收录：

学科分类：0709[理学-地质学] 081803[工学-地质工程] 07[理学] 08[工学] 0818[工学-地质资源与地质工程] 

基　　金：thesubject"TherecentdisplacementandDynamicsoflithosphereintheQinghai XizangPlateau"ofnation alclimbingproject"Therecentdisp 

主　　题：Tibet Yunnan active fault geodynamics Zhongdian—Daju fault 

摘      要：The Zhongdian—Daju fault is the transitional fault connecting the Kalakorum\|Jiali right lateral strike slip faulting zone and the Red River Fault, and a part of the south boundary of the eastward extrusive Tibet plateau. Field observations, associated with the analyses of the satellite images and air photographs, show that the Zhongdian—Daju fault, a 250km long fault in northwest Yunnan, is a nascent right lateral strike slip fault zone with the slip rate of 2～8mm/a. The Zhongdian—Daju fault is not a simple right lateral strike slip fault. There are several subparallel, slightly en échelon fault strands from Deqing to Yongsheng with the total length of 200km and perhaps 250km. Like the typical strike\|slip faults in this area, the morphological features of the fault, which can be seen clearly in the satellite images, are characterized as straight volleys and displaced gullies and ridges. In addition, Several Quaternary basins distribute along Zhongdian—Daju fault. The are controlled by the right lateral strike slipping of the fault in late Quaternary.