碛，浅水中的沙石，引申为沙漠。出自《说文》，水渚有石者。
冰碛 [地理] [水文] Moraine ; [地理] [水文] glacial drift ; [地理] [水文] till ; ice moraine
冰碛堰塞湖 moraine-dammed lake ; dammed lake
底碛 [地质] ground moraine ; [地质] bottom moraine ; basal moraine ; basal ground moraine
冰碛物 [地理] [水文] glacial till ; [地理] [水文] till ; glaciertill ; moraine deposit
终碛 [地质] terminal moraine ; [地质] end moraine ; frontal moraine ; marginal moraine
侧碛 [地质] lateral moraine ; flank moraine ; lateral l moraine
消融碛 ablation moraine ; ablation till ; ablation n till
消融冰碛 [水文] ablation moraine ; ablation till
冰碛平原 [地理] till plain ; sandr
冰底碛 [地质] subglacial moraine ; bottom moraine ; ground moraine
沿着美国东海岸，最南边的冰川运动被大量的沙子和终碛石的漂流沉积物（形成了长岛和科德角）所记录下来。
Along the east coast of the United States, the southernmost advance of this ice is recorded by the enormous sand and drift deposits of the terminal moraines that form Long Island and Cape Cod.
兰皮诺认为某些冰碛岩是由流星撞击而产生的，而不是冰川。
Rampino thinks that certain tillites were produced by meteor impacts, not glaciers.
它们经常在后退冰碛处终止。
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