Glacial Erosion, Transport and Deposition (AQA A-Level Geography): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
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Practise the cards
10 cards from this deck
Abrasion
Abrasion
Debris in glacier grinds against bedrock below
Plucking
Plucking
Freeze-thaw process removing chunks of bedrock
Striations
Striations
Scratches & grooves carved into bedrock by rocks
Rock flour
Rock flour
Extremely fine sediment from grinding debris
Supra-glacial debris
Supra-glacial debris
Material transported on glacier's surface
En-glacial debris
En-glacial debris
Material buried within the ice itself
Sub-glacial debris
Sub-glacial debris
Material at the glacier's base
Medial moraine
Medial moraine
Forms where two glaciers merge, combining lateral moraines
Till
Till
Unsorted mixture of rocks, clay & sand deposited by ice
Till stone shape
Till stone shape
Angular to sub-angular (not rounded by water)
