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omsimnida > ELS (rock form) > Flashcards

ELS (rock form) Flashcards

1
Q

begin as magma

A

igneous rock

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2
Q

when rock is heated, pressure is released, rock changes composition.

A

magma can form

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3
Q

magma can form

A

when rock is heated, pressure is released, rock changes composition.

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4
Q

a mixture of any minerals

A

magma

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5
Q

magma freezes between

A

700 c and 1,250 c

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6
Q

light colored rocks that are rich in elements such as aluminum, potassium, silicon and sodium

A

felsic

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7
Q

dark colored rocks that are rich in calcium, iron, and magnisium, poor in silicon

A

mafic

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8
Q

mafic

A

poor in silicon

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9
Q

takes longer to cool, giving mineral crystals more time to grow

A

coarse-grained

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10
Q

cools quickly

A

fine-grained

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11
Q

gabbro, basalt

A

mafic

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12
Q

granite, rhyolite

A

felsic

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13
Q

magma pushes into surroundings rock below the earth’s surface

A

intrusive rocksf

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14
Q

forms when magma erupts onto earths sruface, cools quickly or no crystals formed

A

extrusive rocks

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15
Q

high pressure and temeperature turn the solid into liquid

A

igneous rock

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16
Q

can occur in earth’s mantle

A

igneous rock

17
Q

can form from the cooling lava

A

igneous rock

18
Q

some types are used in building and monuments

A

igneous rock

19
Q

limestone, coal, shale, fossils

A

sedimentary rocks

20
Q

is formed by erosion

A

sedimentary rocks

21
Q

are moved from one place to another

A

sedimentary rocks

22
Q

no heat and pressured involve

A

sedimentary rocks

23
Q

strata

A

layers of rocks

24
Q

layers of rocks

A

strata

25
Q

made of fragments of rock cemented together with calcite or quartz

A

clastic

26
Q

minerals crystallize out of solution to become rock

A

non clastic (chemical sedimentary)

27
Q

fossils, layers, settling particles

A

sedimentary rocks

28
Q

igneous rock + pressure and heat =

A

metamorphic rock

29
Q

sedimentary rock + pressure and heat =

A

metamorphic rock

30
Q

often called thermal metamorphism, happens when rock is heated up by an intrusion of hot magma

A

contact metamorphism

31
Q

no discernible source of heat, (no nearby magma chamber)

A

regional metamorphism

32
Q

contain aligned grains of flat minerals

A

foliated

33
Q

minerals grain are not arranged in plains or brands

A

non foliated

34
Q

3 mins break

A

yey

omsimnida (9 decks)

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