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Peridotite

What is Peridotite?

Peridotite is a coarse-grained intrusive igneous rock that is composed almost entirely of olivine. It may contain small amounts of amphibole, feldspar, quartz or pyroxene.

IGNEOUS ROCKS
Andesite	Basalt	Diorite	Gabbro
Granite	Obsidian	Pegmatite	Peridotite
Pumice	Rhyolite	Scoria	Tuff
METAMORPHIC ROCKS
Amphibolite	Gneiss	Hornfels	Marble
Novaculite	Phyllite	Quartzite	Schist
Slate	Soapstone
SEDIMENTARY ROCKS
Breccia	Chert	Coal	Conglomerate
flint	Iron Ore	Limestone	Oil Shale
Rock Salt	Sandstone	Shale	Siltstone

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