| 1 | It is this shoving of the mantle that created the volcanoes of the Mediterranean, they said. | |
| 2 | There one plate dives under the edge of another and is reincorporated into the mantle. | |
| 3 | If it does, a network of detectors could give us a more detailed picture of the thermal structure of the mantle. | |
| 4 | Without the "oxygen elevator" in its mantle the earth would probably be a barren planet hostile to life. | |
| 5 | Nearing the earth's surface the pressure in the mantle becomes too weak to maintain the majorite, which then decomposes. |