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Igneous Rocks
Rocks that crystallize/solidify from magma or lava.
Magma vs Lava
Magma is melted rock beneath the volcano; lava is melted rock that has reached the surface.
Coarse-Grained
A texture that allows individual grains to be seen with the naked eye.
Felsic
Rocks that have high SiO2 composition, typically lighter in color.
Mafic
Rocks that have low SiO2 composition, generally darker in color.
Detrital Sedimentary Rocks
Rocks formed from broken pieces of other rocks.”},{
