Peridotite

| Type | Igneous Rock |
| Texture | Phaneritic (Coarse-grained) |
| Origin | Intrusive/Plutonic |
| Chemical Composition | Ultramafic |
| Color | Dark Gray to Black |
| Mineral Composition | Pyroxene (Bronzite), Olivine |
| Tectonic Environment | Upper mantle; sometimes obducted at continent-continent collision zones |

| Type | Igneous Rock |
| Texture | Phaneritic (Coarse-grained) |
| Origin | Intrusive/Plutonic |
| Chemical Composition | Ultramafic |
| Color | Medium Green |
| Mineral Composition | Olivine |
| Miscellaneous | Also called “Dunite” |
| Tectonic Environment | Upper mantle; sometimes obducted at continent-continent collision zones |