Glaciers/Wind Erosion Flashcards

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1
Q

Ice age

A

A period of time when much of Earth’s land is covered in glaciers

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2
Q

Glacier

A

A thick ice mass that moves slowly over the land surface

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3
Q

Snowline

A

Lowest elevation in a particular area that remains covered in snow all year

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4
Q

Valley glaciers

A

I’ve masses that slowly advance down Valley - was originally occupied by streams

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5
Q

Ice sheet/continental glacier

A

Enormous ice masses that flow in all directions from one or more centers and cover everything but the highest land

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6
Q

Glacial Trough

A

What happens to V shaped valley when glaciers fill it. U Shaped

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7
Q

Cirque

A

Bowl shaped depression at the head of glacial valley surrounded on three sides by steep rock walls

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8
Q

Arêtes

A

Snaking sharp edged ridges

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9
Q

Horns

A

Sharp pyramid-like peaks

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10
Q

Stratified drift

A

Sediment laid down by glacial meltwater

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11
Q

Deflation

A

The lifting and removal of loose particles such as clay and silt

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12
Q

Loess

A

Wind blown silt that blancjetsbthe landscape

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13
Q

Moraines

A

Kate’s or ridge left after glaciers melt

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