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Geography > Chapter 13 > Flashcards

Chapter 13 Flashcards

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1
Q

What interior layer of earth is entirely molten?

A

Outer core

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2
Q

What is the plastic layer in the mantle on which the crust floats ?

A

Asthenosphere

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3
Q

What is NOT true about the lithosphere layer?

A

Ends at the Moho discontinuity

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4
Q

What componet is responsible for the generation of earths magnetic field?

A

Outer core

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5
Q

What is NOT a characteristic of a mineral?

A

Must only have one element

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6
Q

What is the relationship between rocks and minerals?

A

Rocks are made up of one or more minerals

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7
Q

What is the solid rock that exists right at the surface?

A

Outcrop

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8
Q

What type of rock is formed by the cooling and solidification of molten rock?

A

Igneous

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9
Q

What is the difference between lava and magma?

A

One is found in the surface and the other is under

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10
Q

What are the igneous rocks that form under earths surface?

A

Plutonic

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11
Q

What type of rock mostly forms into horizontal layers called strata?

A

Sedimentary

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12
Q

What sedimentary rock type was formed entirely by mechanical processes?

A

Clastic

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13
Q

What is a bedding plane?

A

Flat surfaces separating layers

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14
Q

What type of rock is formed of other rocks that were altered by heat pressure of both?

A

Metamorphic

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15
Q

What type of metamorphic rock is characterized by long striations?

A

Organic rock

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16
Q

What type of metamorphic rock forms large volumes associated with tectonic processes like mountain building?

A

Regional metamorphic

17
Q

What is geomorphology?

A

Study of landform development

18
Q

What is relief?

A

The difference between high and low elevation

19
Q

What is an example of an internal process?

A

Folding of crust near a fault line

20
Q

What concept is summarized as the “present is the key to the past” ?

A

Unifomitarinsm

21
Q

What is NOT true about geologic time?

A

Can be observed in a human life

Geography (9 decks)

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