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Unformatted text preview: 2. Xenoliths from deep-rooted volcanoes (i.e. mantle rocks) mainly made of olivine and pyroscene 3. Kimberlite Volcanoes ( erupt gas and rock CO 2 , methane) bring up olivine and diamonds 4. Ophiolites –pieces of oceanic lithosphere (includes mantle rocks below moho) that have been brought up onto edges of continents Mantle Rocks composed of Olivine Pyroxene 5. By examine Carbonaceous Chondrites—they’ve never been heated up Read Chapter 7 20:34 20:34...
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This note was uploaded on 10/26/2010 for the course GEOL 240Lxg taught by Professor 12:30-01:50pm during the Fall '07 term at USC.
- Fall '07