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四川省西部高原地区广泛分布的西康羣,首先是由譚錫畴和李春昱在1930年对該区进行地貭調查时所命名的,并定其时代为侏罗紀。其后二十年来,进一步調查的人很少,但涉及西康羣时,不同的人則給予不同的推論。解放后,由于各方面工作的需要,一些单位在川西地区进行了不同精度的地貭調查,这才逐步地对西康羣有了进一步的认識。川西地区,在中国区域地貭方面占着很重要的地位,它正处于昆仑地槽与秦岭地槽向
The Xikang Qunqun widely distributed in the western plateau of Sichuan Province was first named by Tan Xincun and Li Chunyu when they conducted a survey of the area in 1930 and set its time as Jurassic. In the two decades that followed, there were very few people who investigated further, but when it came to Xikang Group, different people gave different inferences. After the liberation, due to the need of various fields of work, some units conducted surveys of different precision in the western Sichuan region, which further enhanced their understanding of Xikang Group. The western Sichuan area occupies a very important position in the area of China. It is in the middle of the Kunlun trough and the Qinling trough