n.冰河沙堆(蛇形丘)

According to the textual study, its source was the fault esker at the east end of the fossil course of the Zhashui River on the north part of the present Suizhou city. 經(jīng)考據(jù)隨珠產(chǎn)地為今之隨州市北部?閹?實(shí)藍(lán)?碩仙咔稹

double esker 重疊蛇形丘

mountain glacier esker 山岳冰川型蛇形丘