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Igneous, Metamorphic

Inside Earth: Chapter Five, Sections Two, Five, and Six

TermDefinition
extrusive rock igneous rock that forms from lava on Earth's surface.
intrusive rock igneous rock that forms when magma hardens beneath Earth's surface.
porphyritic texture an igneous rock texture in which large crystals are scattered on a background of much smaller crystals.
foliated a term used to describe metamorphic rocks whose grains are arranged in parallel layers or bands.
rock cycle a series of processes on the surface and inside Earth that slowly changes rocks from one kind to another.
Created by: wtr6thscience
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