backbarrier facies

2 of the upper coal measures in the area discussed in the paper represents a kind of low energy and small scale barrier lagoon system,which is composed of tide flat,freshening lagoon,peat swamp and low energy barrier facies and is sug.

该区煤系上部２煤段的沉积特征代表了一种低能、小规模的障壁—泻湖体系，沉积相由潮坪、淡化泻湖、泥炭沼泽和低能障壁相组成，可称为低能障壁—泻湖含煤沉积体系。