Geology 112
| Description: | 1.4 Plate Tectonics |
| Category: | Earth Science |
| Created by: | shiftyleigh on 2007-06-09 |
| Stack ID: | 82882 |
| Flap 1 | Flap 2 |
| Why is Earth interior hot? | 30% from earth's formation, 70% radioactive decay |
| Alfred Wegener? | Proposed the first coninental drift model based on the 'jigsaw' fit of all the coninents plus showed that all the ice sheets and share fossils |
| Pangaea? | Super continent 300 Ma ago |
| Benioff Zone? | Area under subduction zone, earth quakes and volcanism 200kms |
| Bathemetry of MOR? | 2500m above sea floor |
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