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Igneous Rocks

Igneous Rocks Vocab

TermDefinition
Magma molten rock material BELOW the Earth's surface
Lava molten rock material ON the Earth's surface
Coarse slow cooling, large crystals
Fine rapid cooling, small crystals
Vesicular contains holes due to gas bubbles
Intrusive When magma hardens inside the Earth
Extrusive When lava flows out and hardens on the Earth's surface
Felsic light colored, lower in density
Mafic dark colored, higher in density
Created by: missoliver
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