吉林省东部地区,泛指著名的长白山区,面积约5万公里~2。全区广泛分布太古代、石炭纪及二叠纪变质岩系及上古生代花岗岩。中生代以来的沉积岩系,仅散露于若干盆地之内,主要含煤地层为上侏罗统和下第三系。 众所周知,含煤盆地的空间分布,受一定构造体系控制,它不仅限定含煤盆地形成 The eastern part of Jilin Province refers to the famous Changbai Mountain area with an area of ​​about 50,000 km ~ 2. The region is widely distributed Archean, Carboniferous and Permian metamorphic rocks and the Paleozoic granite. Sedimentary rocks since the Mesozoic are only scattered in a number of basins. The main coal-bearing formations are Upper Jurassic and Lower Tertiary. As we all know, the spatial distribution of coal-bearing basins is controlled by a certain tectonic system, which not only limits the formation of coal-bearing basins