| Vocabulary | Pg. 193-223 |
| towing very sensitive instruments | |
| cylindrically shaped upwelling of hot rock | |
| when rocks exhibit the same magnetism as the present magnetic field | |
| winds through all of the major oceans in a manner similar to the seams of a baseball | |
| another ame for fossil magnetism | |
| named a supercontinent this name | |
| at depth of roughly 100 kilometers, the wedge of mantle rock is sufficiently hot that the introduction of water from the slab | |
| led to the unfolding of a far more encompassing theory than contienental drift | |
| gravitey-devian mechanism results from the elevated positions of the oceanic ridge | |
| whereas rocks exhibiting the opposite magnetism | |