ch26.4 Flashcards

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1
Q

metamorphic rock is changed by a combination of which three things.

A

heat,pressure and chemical reactions

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2
Q

which types of rocks can be changed by metamorphism

A

igneous metamorphic and sedimentary

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3
Q

what is it called when metamorphic changes in rock occur over a large area

A

regional metamorphism

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4
Q

what is it called when metamorphic changes in rock occur in a small area[

A

contact metamorphism

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5
Q

when shale is compressed which type of metamorphic rock is created

A

slate

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6
Q

what are 2 types of of metamorphic rock textures

A

foliated and nonfoliated

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7
Q

define foliated texture

A

have crystals arranged in layers and bands

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8
Q

define nonfoliated texture

A

have crystals with random orientation

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9
Q

metamorphic rocks are mainly classified based on which two things

A

texture and composition

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10
Q

define rock cycle

A

the continuous changing of rocks from one type to another

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11
Q

which type of rocks are part of the rock cycle

A

sedimentary,igneous and metamorphic

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12
Q

what are the three types of rocks

A

igneous metamorphic and sedimentary

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13
Q

which types of rock form from molten rock

A

igneous

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14
Q

what types of rocks form from clasts

A

sedimentary

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15
Q

which types of roock are formed from heat pressure and chemical reactions

A

metamorphic

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16
Q

what can form from hot water, evaporation, or molten rock

A

minerals