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Glacial Processes - Coggle Diagram
Glacial Processes
Transportation
Basal slip
Meltwater moving under the glacier helps lubricate the underside of the glacier, enabling it to slide downhill
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Internal deformation
The sheer weight of the ice and the influence of gravity can cause individual ice crystals to become misshapen
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Erosion
Plucking
Pieces of rock that have been previously loosened by Freeze-Thaw are plucked by the glacier as it moves forward (carried within the ice)
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Abrasion
The rocks that have been plucked scrape along the base and sides of the glacial valley, smoothing the surfaces and the rocks
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Deposition
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Glacial outwash
In the summer, the glacier melts, leading to glacial outwash carrying gravel and silt. This gets deposited sequentially as you get further away from the snout.
Weathering
Freeze-Thaw
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Temp drops, water freezes and expands
Temp rises, water melts leaving wider/deeper crack
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