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3.8: Intrusive and Extrusive Igneous Rocks

Difficulty Level: Basic Created by: CK-12
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Vocabulary

extrusive

Igneous rocks that form at Earth's surface from rapidly cooling lava.

intrusive

Igneous rocks that form inside the Earth from slowly cooling magma.

pluton

Igneous intrusive rock body that has cooled in the crust.

volcanic rock

Rock that originates in a volcano or volcanic feature.

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Description
Difficulty Level:
Basic
Grades:
6 , 7
Date Created:
Jan 04, 2013
Last Modified:
Aug 29, 2016
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SCI.ESC.232.2.L.2