peridotite

More on peridotite from Fact Monster:

• olivine - olivine olivine , an iron-magnesium silicate mineral, (Mg,Fe)2SiO4, crystallizing in the ...
• porphyry, igneous rock - porphyry porphyry , igneous rock composed of large, conspicuous crystals (phenocrysts) and a ...
• basalt - basalt basalt , fine-grained rock of volcanic origin, dark gray, dark green, brown, reddish, or ...
• mantle - mantle mantle, portion of the earth's interior lying beneath the crust and above the core. No ...
• rock: Igneous Rocks - Igneous Rocks Igneous rock originates from the cooling and solidification of molten matter from the ...

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