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Basal slidingThe sliding of a glacier over the surface it rests on. Caused by the gradient of the slope and the weight of the glacier's mass.
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Basal slidingThe motion of the basal ice of the glacier relative to the material immediately beneath the glacier.
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Basal slidingthe downhill sliding of a glacier propelled by its weight. Basalt: a dark, extrusive, igneous rock made of particles so fine they can't be seen unaided. Formed from mafic (high in heavy elements) magma. See Felsic.
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Basal slidingThe movement or speed of movement of a glacier on its bed.
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