Glacial Erosion Techniques Flashcards
1
Q
What is Plucking?
A
When the Glacier freezes around the cracks in a rock and pulls it out as the Glacier moves forward.
2
Q
What is abrasion?
A
When sediment or large rocks scrape along the rock surfaces and wear it away.
3
Q
What is freeze-thaw?
A
When water seeps into small cracks in rocks and freezes to make the cracks bigger.
4
Q
What are the three main processes of glacial erosion?
A
Plucking, Abrasion, Freeze-Thaw
