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glacial erosion

glacial erosion and landscapes all

mountain glaciers -develop in high mountainous areas, often flowing out of ice fields, span several peaks sometimes even mountain ranges
valley glacier originate from mountain glaciers, these glaciers spill down into the valleys looking like giant tongues
continental glaciers deposit material as they move
crevasses they form when the glacier is flowing over a rough surface and they crack the brittle ice sheets
alpine glacier mountain glaciers formed by erosion of moving ice
striations parallel groves cut into bed rock by rock fragment stuck at the bottom of the glacier as the glacier passes over
truncated spurs they are ridges that have been shortened or cut off by the moving glacier
hanging valleys are smaller valleys that have been eroded less than the main. valley
ribbon lakes are long, narrow lakes that form in hollows I the main valley
erratics are boulders transported by ice and deposited often in a area with totally different rock
u-shaped glacial trough straight, trench-like, valley with wide, flat floor and steep sides,u- shaped valley is carved out by glacial ice
corrie/cirque deep, rounded hollows with a steep back wall and sides. they are shaped rather like an armchair . may Corries may contain a tarn or a lake
tarn a small lake in between a corrie
arète the land between them gets narrower, due to erosion until a knife like ridge is formed known as a arète
pyramidal peak/horn when three or more Corries cut into the same mountain
moraine like river and seas even glacier has a material it uses to erode continuously this is known as moraine
kettle lake a glacial lake which is formed when buried blocks of glacial ice melt
paternoster lake it is one of a series of glacial lake connected by a single stream or a braided stream system. aka lords prayers
Created by: hansikag!
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