earth Flashcards

1
Q

Which of the following rocks composed of slit- and clay- sized particles displays fiscality

A

Shale

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2
Q

Which rock type is most likely to contain fossils

A

sedimentary rocks

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3
Q

Which of these processes describes altering of existent rocks and ions to produce sediments

A

weathering

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4
Q

Which of the following methods of transportation will result in the least sorted deposit

A

rock fall

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5
Q

Which of the following best describes the texture of a conglomerate

A

rounded fragments, poorly sorted

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6
Q

is the process by which new mineral grains larger than the original mineral grains form as a result of metamorphic heat

A

Recrystallization

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7
Q

Generally speaking, how does the chemical composition of most metamorphic rocks compare to that of the parent rock

A

Their chemical compositions are nearly the same

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8
Q

Which type of plate boundary most commonly produces metamorphism

A

Convergent plate boundary

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9
Q

What kind of force creates foliation in metamorphic rocks

A

compression

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10
Q

What are foliations

A

Roughly parallel layers of mineral crystals aligned perpendicular to the direction of pressure

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11
Q

clay

A

slaystone

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12
Q

sand

A

arkose, quartz sandstone

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13
Q

gravel

A

breccia

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14
Q

silt

A

siltstone

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15
Q

organic

A

bituminous coal, chert

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16
Q

deteritial

A

sandstone, shale

17
Q

chemical

A

rock salt