• 责任者：Bao Guangpu (Key Laboratory of Northern Tibetan Plateau Geological Processes and Mineral Resources ; Qinghai Provincial Institute of Geological Survey ; Xining 810012 ; China) ; Wang Guoliang
• 刊名：Northwestern Geology
• 出版年：2013
• 卷期：46(2)
• 关键词：岩墙群 ; dyke swarms ; 昆仑山 ; Kunlun Mountains
• 页码：p.37-43
• 图表：7 illus., 1 table, 9 refs.
• 分类号：0801
• issnNo：ISSN1009-6248
• isbnNo：CN61-1149/P

     The two periods of basic dyke developed in Kyakedengtage area are Variscan Period and Yanshan Period, with isotopic age of (380.3±1.5) Ma (U-Pb) and (176.2±3.5) Ma (K-Ar) respectively. As indicated, in late Devonian (Variscan) and early Jurassic (Yanshanian), the studied area had two significant crusts of intracontinental extension tectonic movements. The basic dyke intrusion in Variscan Period represents that the intracontinental extension changes from stable to active, with a northwest distribution of basic dyke in the geological body before late Devonian.