Term
|
Definition
| device used to map the ocean floor that detects small changes in magnetic fields |
|
|
Term
|
Definition
| Study of earths magnetic record using data gatherd from iron-bearing minerals in rocks that have recorded the orientation of earths magnetic fields at the time of their formation. |
|
|
Term
|
Definition
| changes in earths magnetic field over geologic time, recorded in ocean-floor rocks and continental basalt flows. |
|
|
Term
|
Definition
| line drawn on a weather map that connects points of equal or constant values. |
|
|
Term
|
Definition
| hess's theory that new ocean crust is formed at mid-occurs in a continuous cycle of magma intrusionand spreading. |
|
|
