Vitrinite and inertinite were formed distinct peat swampenvironment as main origin of vitrain and fusain, which was essential reason for liquefaction properties.
镜质组和惰质组分别作为镜煤和丝炭的主要物源，形成于截然不同的泥炭沼泽环境，致使结构和性质差异大。
2
Study on the relationship between dynamic change of the swamp and disastrous weather will be beneficial to realizing the influencing each other between resource and environment.
研究沼泽动态与灾难性天气之间的关系，有利于认识资源与环境的相互影响作用。
3
Marine transgression resulted in the forming of swamp and then the peat swamp. And the transgression later on put the peat formed in advance in deep water environment to form coal in the end.