Paleomagnetism — Science definition
Magnetic patterns frozen into ocean-floor rock as it cooled, recording the direction of Earth's magnetic field at the time — used as evidence for seafloor spreading.
Where it is taught
- Evidence for Continental Drift — Earth’s Interior & Plate Tectonics, Earth & Space Science, Grade 9
In use
The proof of seafloor spreading came from paleomagnetism.
Evidence for Continental Drift