Definitions for "Paleomagnetism"
the study of the Earth's past based on the orientation of magnetic crystals frozen into igneous rocks.
The study of ancient magnetic fields, which are preserved in the magnetic properties of rocks. ie. studying the changes in position of the magnetic poles, as well as reversals of poles in the geological past.
The remanent magnetization recorded in ancient rocks; allows the reconstruction of Earth's ancient magnetic field and the positions of the continents.