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中文摘要：
根据野外地质、地貌调查结果,重点论述了德钦-中旬-大具断裂的几何展布、运动性质和最新活动时代.该断裂多处断错了晚更新世及全新世地层,具明显的右旋走滑兼正断性质,最新活动时代为晚更新世至全新世,水平滑动速率为1.7 ～2.0 mm/a,垂直滑动速率为0.6～0.7 mm/a.该断裂是川滇菱形块体西北边缘的一条重要的NW向走滑断裂,它与金沙江断裂带一起,共同构成了川滇菱形块体西北边界.
英文摘要：
According to the results of field geological and geomorphic investigation,we focus on discussing the geometric distribution,the active features and the latest active times of the Deqin-Zhongdian-Daju Fault.The Deqin-Zhongdian-Daju Fault with right-lateral strike slip and normal faulting property has displaced the late-Pleistocene and Holocene strata at different places.The latest active time of the fault is from late-Pleistocene to Holocene,and its average horizontal and vertical slip rate is 1.7 ～ 2.0 mm/a and 0.6 ～ 0.7 mm/a respectively.It is one of the most important NW treading strike slip faults locating at the Northwest edge of the Sichuan and central Yunnan Rhombic Block,together with the Jinshajiang Fault,compose up the Northwest boundary of Sichuan and central Yunnan Rhombic Block.
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