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Earth Science > Rocks > Flashcards

Rocks Flashcards

1
Q

A combination of one or more minerals found in Earth’s crust

A

Rock

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2
Q

A consolidated aggregate of various types of minerals or a consolidated aggregate of multiple individual pieces of the same kind of minerals

A

Rock

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3
Q

The study of the earth that deals with the origin, structure, occurrence, and history of the rocks

A

Petrology

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4
Q

The fundamental building materials of the lithosphere

A

Rocks

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5
Q

3 types of rocks

A

Igneous, sedimentary, metamorphic

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6
Q

When a molten rock material cools and solidify

A

Igneous rocks

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7
Q

2 major categories of igneous rock

A

Extrusive and intrusive

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8
Q

Molten material that solidifies at Earth’s surface

A

Extrusive igneous rock

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9
Q

Also called volcanic rock

A

Extrusive igneous rock

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10
Q

It is made from lava

A

Extrusive igneous rock

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11
Q

Example of extrusive igneous rock

A

Rhyolite, andesite, basalt

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12
Q

When molten rock beneath Earth’s surface changes to solid(solidifies)

A

Intrusive igneous rock

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13
Q

Also refered to as plutonic rock after pluto a

A

Intrusive igneous rock, roman god of underworld

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14
Q

Example of intrusive igneous rock

A

Granite diorite gabbro

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15
Q

2 classification of igneous rock

A

Texture, composition

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16
Q

3 texture of igneous rock

A

Coarse grained, fine grained, and glassy texture

17
Q

Is caused by slow cooling resulting in larger crystals

A

Coarse grained texture

18
Q

Is caused by rapid cooling resulting in smaller, interconnected mineral grains

A

Fine grained texture

19
Q

Caused by very rapid cooling

A

Glassy texture

20
Q

2 types of composition in igneous rock

A

Felsic, ultramafic composition

21
Q

Generally light colored

A

Felsic

22
Q

Made mostly from iron and magnesium rich minerals. Generally, very dark colored rocks

A

Ultramafic composition

23
Q

Made of sediments(dead plants and animal remains)and tiny particles of weathered and eroded rocks

A

Sedimentary rock

Earth Science (3 decks)

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