东北中新生代断陷盆地的构造演化,主要表现在火山作用、断块运动和差异沉降的几个主要方面,这些因素对聚煤条件和环境产生直接的影响。据此,划分五种聚煤沼泽类型:1.边缘斜坡到沼泽,2.盆地扩张型沼泽,3.盆地收缩型沼泽,4.火山台地型沼泽;5.火山间歇型沼泽.上述除火山间歇型沼泽外,均具有重要的经济意义. The tectonic evolution of the Mesozoic-Cenozoic rift basin in Northeast China is mainly manifested in several major aspects, such as volcanism, fault block movement and differential settlement. These factors have a direct impact on coal accumulation conditions and the environment. Accordingly, the division of five types of coal-marshes: 1. The edge of the ramp to the swamp, 2. Basin expansion swamp, 3. Basin shrinkage swamp, 4. Volcanic platform type swamp; 5. Volcanic intermittent swamp. In addition to volcanic intermittent Type swamp, all have important economic significance.