Erosion Flashcards

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1
Q

What is an ice age?

A

A period when several continents are covered by ice sheets last ice age affecting Ireland ended 12,000 years ago ago

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2
Q

What is the process of erosion?

A

Plucking= when water and in a glacier melts and then refreezes around it rock it then lifts and transports pieces of rocks as the glacier moves
Abrasion = rock with the glacier scrapes the surface rock

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3
Q

What is a corrie?

A

An armchair shaped hollow

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4
Q

What is an arete?

A

Jagged ridges, which is formed when two corries Lye side-by-side

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5
Q

What is a pyramidal peak?

A

When three or more corries form along the sides of the same mountain

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6
Q

What is a ribbon lake?

A

Along narrow lake on the floor of a U-shaped valley

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7
Q

What is a hanging valley?

A

Smaller glaciated valley

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8
Q

What is a fjord?

A

Glacier melts seawater rushes into the flood of the valley

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9
Q

What is a U-shaped valley?

A

Has a wide flat floor and steep sides

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