我队在滇东地区对晚二迭世含煤沉积的矿区进行勘探已有15年的历史。在进入该区的头几年,由于煤层多、煤层间距小,煤系地层纵向上岩性、岩相标志性不明显,运用一般煤层对比方法很难准确对比煤层。1965年,由于对广泛发育于不同煤层中高岭石粘土岩夹矸的宏观特征进行仔细的比较,取得了较多的资料,初步建立了以高岭石粘士岩宏观标志为基础的 It has been 15 years since our team explored the late-second Permian coal-bearing deposits in eastern Yunnan. In the first few years of entering this area, it is difficult to accurately compare the coal seams with the general coal seam contrast method because of the large number of coal seams and the small coal seam spacing. The vertical lithology and lithofacies of the coal measure strata are not obvious. In 1965, due to the careful comparison of macroscopic features of kaolinite clastic rocks widely developed in different coal seams, more data were obtained, and based on the macroscopic signs of the kaolinite clastic rocks