In this paper, based on the facts of the crust structure and the distribution of active fractures and vertical motion of massif in the Longshoushan area, the authors have studied the active way of areal crust and analysed principal compressional stress direction in this area. The conclusions of this paper are tested and verified by measurement data.
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崔中元,贾文山.甘肃龙首山地区活动构造特征[J].地震工程学报,1983,5(1):72-78. Cui Zhong-yuan, Jia Wen-shan. CHARACTERISTICS OF ACTIVE STRUCTURES OF LONGSHOUSHAN AREA IN GANSU PROVINCE[J]. China Earthquake Engineering Journal,1983,5(1):72-78.