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Glacial landforms resulting from transportation and deposition
Terms in this set (13)
A hill made of glacial till deposited by a moving glacier, usually elongated or oval in shape, with the longer axis parallel to the former direction of ice.
Rocks which have been transported and deposited by a glacier some distance from their source region.
Frost-shattered rock debris and material eroded from the valley floor and sides, transported and deposited by glaciers.
chiefly sand or gravel, deposited by meltwater streams in front of, and underneath, a glacier. The material is sorted and rounded by water action.
An unsorted mixture of sand, clay and boulders carried by a glacier and deposited as ground moraine over a large area.
Glacial deposition landforms
are often found in much lower altitudes in lower valleys. They are found in areas where the temperature is warmer so the ice melts and loses its capacity to carry material.
The Bowder Stone
in Borrowdale, Cumbria is a 2,000 ton erratic thought to originate in Scotland.
moraine spread all over the ground as a glacier retreats up valley in warmer times
Are rocks deposited in a ridge at the maximum advance of the ice
ridges of moraine that come from the valley sides and run parallel to those valley sides
a ridge of rocks running down the middle of a valley formed by 2 lateral moraines from 2 glaciers coming together.
these often run parallel to terminal moraines and these ridges of material mark the retreat of a glacier. Each recessional moraine marks a point where the ice has been static long enough in the glaciers retreat for material to build up.
Drumlins can be
up to 7 km in length, 2 km in width and 30 m in height.
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