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Igneous Rocks

TermDefinition
igneous rock rock that is formed from the melting and solidification of lava or magma
volcano an opening in the Earth's crust from which molten lava flows
lava molten rock that is extruded from a volcano
magma molten rock that is within the Earth's interior
melting when a substance goes from a solid to a liquid with the addition of heat
solidification when a substance goes from a liquid to a solid as heat is given off
molten melted (as in rock)
extrusive igneous rock that cools on the surface of the Earth after having been ejected from a volcano
intrusive igneous rock formed when magma cools inside of the Earth
glassy texture the texture that is the result of cooling that was so fast that no crystals could form
fine texture the texture that is the result of quick cooling where small crystals are formed
vesicular texture holey texture that results from gas bubbles escaping during the cooling process
mafic composed of magnesium and iron resulting in dark-colored, high density igneous rocks
felsic composed of aluminum and silicon resulting in light-colored, low density igneous rocks
abundant to have a lot of something
composition what something is made out of
Created by: Jennielpeck
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