chapter 26.4 Flashcards

1
Q

Metamorphic rock is changed by a combination of which 3 things?

A

heat, pressure or chemical reaction

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2
Q

which types of rock can be changed by metamorphism?

A

igneous sedimentary or metamorphic

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3
Q

what is it called when metamorphic changes in rock occur over large areas?

A

regional metamorphic

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4
Q

what is it called when metamorphic changes in rock occur over small areas?

A

contact metamorphic

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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 the two types of metamorphic rock textures ?

A

foliated nonfoliated

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7
Q

define foliated texture

A

crystal are arranged in layers and bands

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8
Q

Define nonfoliated texture

A

crystals with more random orientations

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9
Q

metamorphic rocks are mainly classified based on which two things?

A

texture

composition

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10
Q

define rock cycle

A

continual change from one rock to another

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11
Q

which types of rock are part of the rock cycle?

A

sedimentary
igneous
metamorphic

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12
Q

what are the 3 types of rocks?

A

sedimentary
igneous
metamorphic

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13
Q

which types of rock form from molten rock?

A

igneous

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14
Q

which types of rock are formed from clasts, precipitation, or compressed once living matter?

A

sedimentary

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15
Q

which types of rocks 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