corrie- hollows containing a small glacier, ice then moves causing the hollow to erode into a steep 'armchaired' shape- the ice then melts leaving a lake/tarn
aretes- steep-sided ridge formed when 2 glaciers form in parralel valleys
pyramidal peaks- a pointed peak with 3 sides fors when corries are cut backwards
truncated spur- glaciers push straight througha valley removing the ends of the interlocking spurs
glacial troughs- steep sided valley with a flat bottom (changes from a V shape to a U shape due to a glacier deepening the valley)
hanging valleys- formed by small glaciers flowing into a main glacier (old tributory valleys)
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