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一、前言川南地区位于东經104°—106°、北緯28°附近,北界长江,南临云貴高原;包括古藺、敍永、古宋、兴文、长宁、琪县、高县、筠連等八县。地势南高北低。当地人口稠密,交通方便,物产丰富,工农业生产也較发达。解放前有熊永先、罗正远、楊敬之等先后在本区进行过地貭工作,解放后亦有不少地质队进行过普查与勘探工作,对本区地貭情况及矿产分布均有所闡述。但对煤系地层沉积規律
I. INTRODUCTION The southern Sichuan region is located at 104 ° -106 ° East longitude and latitude 28 ° north latitude, with the Yangtze River in the north and the Yunnan-Guizhou Plateau in the south, including Gulin, Xuyong, Gu Song, Xingwen, Changning, Qixian, Gaoxian, Jun Lian and other eight counties. Topography North South low. The local population is dense, convenient transportation, rich products, industrial and agricultural production is also more developed. Before the liberation, Xiong Yongxian, Luo Zhengyuan, Yang Jingzhi and other successively conducted land-based work in this area. After the liberation, many geological teams carried out census and exploration work and elaborated the situation and the distribution of mineral resources in the area. However, the sedimentary law of coal strata