glacial ice
121glacial relict — a relict isolated by events associated with one of the glacial periods when much of northern North America and Eurasia were ice covered and fishless …
122ice age — /ˈaɪs eɪdʒ / (say uys ayj) noun 1. a time of widespread glaciation; a glacial epoch. 2. (upper case) the Pleistocene glacial epoch …
123glacial drift — noun An accumulation of earth and rock which have been transported by moving ice, land ice, or icebergs …
124glacial retreat — when ablation exceeds accumulation causing a net loss of ice from the glacier. This usually involves the snout being found at a point in the valley short of the farthest it ever reached. Note that ice still moves downslope but that the zone of… …
125glacial-marine sedimentation — The accumulation of glacially eroded, terrestrially derived sediment in the marine environment. Sediment may be introduced by fluvial transport, by ice rafting, as an ice contact deposit, or by eolian transport. Compare: glaciomarine… …
126ice-pushed ridge — An asymmetrical ridge of local, essentially non glacial material (such as deformed bedrock, with some drift incorporated in it) that has been pressed up by the shearing action of an advancing glacier. It is typically 10 60 m high, about 150… …
127glacial period — noun a period in the earth s history when ice sheets were unusually extensive; an ice age …
128ice shed — noun : a glacial divided from which ice moves in opposite directions …
