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Geography > Structural Geomorphology > Flashcards

Structural Geomorphology Flashcards

1
Q

What causes weathering?

A

Temperature differences
Chemical erosion
Plants or animals break the rocks down

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2
Q

Define erosion

A

The removal of broken rock material by an agent such as wind or water

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3
Q

Define horizontally

A

Parallel to the horizon

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4
Q

Define dolerite

A

An example of IGNEOUS ROCK that is formed when Magma solidifies

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5
Q

Define basalt

A

An example of volcanic igneous rock

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6
Q

What is a plateau and where can it be found

A

A deep, narrow valley in an ARID area.

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7
Q

Define back wasting

A

When slopes erode, common in dry climates, also known as Scarp Retreat

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8
Q

Homoclinal ridge

A

Collective name for asymmetrical ridges

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9
Q

Cuesta in degrees

A

10-25 degrees

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10
Q

Homoclinal ridge in degrees

A

25-40 degrees

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11
Q

Hogsback in degrees

A

40+

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12
Q

Dip slope

A

Gentle side of a asymmetrical ridge formed by inclined strata

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13
Q

Massive igneous rocks

A

Igneous rocks covering a vast area, they do not have any layering and they do not have a uniform colour and texture

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14
Q

Batholith

A

The largest of intrusive igneous FEATURES

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15
Q

Lopolith

A

Igneous intrusion that forms very deep underground in a

SAUCER SHAPE

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16
Q

Laccolith

A

Igneous intrusion that forms a MUSHROOM shape underground

17
Q

Sill

A

Chill - smaller igneous intrusion that solidifies horizontally

18
Q

Dyke

A

Smaller igneous intrusion that solidifies in an upright position.

19
Q

What is exfoliation ?

A

Mechanical weathering where outer layers of igneous rock peel due to temperature changes.

20
Q

What is a Tor?

A

Pile of rounded core stones balancing on top of each other

21
Q

What is clay

A

The smallest grain size of weathered rock

22
Q

What is a Plateau ?

A

A raised fairly flat area of land

23
Q

Define Weathering

A

The breakdown of rocks into smaller pieces.

24
Q

Sheetwash

A

Water flowing over the land after heavy rainfall

Geography (1 decks)

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