蛟河盆地位于吉林省蛟河县境内,面积约400平方公里,是一个北东—南西方向分布、向西倾斜的单斜构造盆地。盆地基底为海西期花岗岩及古生代变质岩系吉林群,上覆的中生代陆相地层大致自东向西分布。含煤地层分布于盆地东、北边缘,与下伏古生代地 Jiaohe Basin is located in Jiaohe County, Jilin Province, an area of ​​about 400 square kilometers, is a northeast - southwest distribution, tilt to the west monocline structure basin. The basement of the basin is the Hercynian granite and the Paleozoic metamorphic rock series Jilin Group. The overlying Mesozoic terrestrial strata are generally distributed from east to west. The coal-bearing strata are distributed in the eastern and northern margins of the basin, with underlying Paleozoic