IGNEOUS ROCK

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Mafic Rock

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Contains mafic minerals like magnesium; darker color.

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Felsic Rock

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Contains felsic minerals like silica; lighter color.

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10 Terms

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Mafic Rock

Contains mafic minerals like magnesium; darker color.

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Felsic Rock

Contains felsic minerals like silica; lighter color.

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Intrusive Rocks

Formed from magma cooling slowly underground.

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Extrusive Rocks

Formed from magma cooling quickly above ground.

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Magma

Liquid rock beneath the Earth's surface.

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Physical Structure

Arrangement and organization of rock components.

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Chemical Makeup

Composition of minerals within a rock.

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Coarse Texture

Larger crystals due to slow cooling.

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Fine Texture

Smaller crystals from rapid cooling.

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Air Pockets

Trapped gas bubbles in extrusive rocks.