摘要
本文根据山西组主要砂岩体中斜层理反映的古水流流向、砂岩体成因及厚度特征和沉积相分布资料，论证了登封煤田在早二叠世早期的海岸线形态是在总体ＮＥ－ＳＷ走向的背景上有一个向ＮＷ方向凹进的海湾。
Based on the direction of palaeocurrent revealed by the oblique beddings in the sand.stone of Shanxi Formarion,the formation analysis,the thickness of the sandbody and the distri-butioc pattern of fucies,kis suggested that the general stretching trend of the coastline of Dengfeng Coal Field in the early stage of the early Permian is in NE-SW directions but intruded Northwestly into the land to form a bay.
基金
两个煤炭基金
