The Permian in Huainan coalfield is a set of deltaic coastal deposition.淮南煤田二叠系是以三角洲—滨岸平原相为主的沉积.Resinite is a rich n 1 aceral in Teriary humic coal, boghead - cannel coal and oil shale fromHuangxian Coalfield.黄县煤田第三纪腐殖煤 ...
The park lies on top of a coalfield.公园位于一片煤田上。The Permian in Huainan coalfield is a set of deltaic coastal deposition.淮南煤田二叠系是以三角洲—滨岸平原相为主的沉积.Survey of XiShan coalfield geology, analyze coalform, improve of geology explo...