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IGNEOUS
ROCKS
Minerals
these
minerals are some that make up igneous rocks:
Quartz
Biotite
Mica
Feldspar
Hornblende
INTRUSIVE
IGNEOUS ROCKS
Granite
Gabbro
EXTRUSIVE
IGNEOUS ROCKS
Rhyolite
Basalt
SOME
VARIANT FORMS OF IGNEOUS ROCKS
Obsidian
Pumice
Scoria
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SEDIMENTARY
ROCKS
MECHANICAL
FORMATION
Sandstone
Conglomerates
Shale
CHEMICAL FORMATION
Selenite
Limestone
Halite
ORGANIC
FORMATION
Tufa
(Travertine)
Diatomite
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What are diatoms?
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METAMORPHIC
ROCKS
Gneiss
Slate
Marble
Metavolcanic
Rock
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