| Paleomagnetism, to determine the ancient positions of the blocks that make up Western Canada, and studying their interactions. |
| The field of study specifically concerned with this subject is called paleomagnetism. |
| The most useful is paleomagnetism and the sub-discipline of archeomagnetism. |
| The study of past magnetic field of the Earth is known as paleomagnetism. |
| The physical geography of the Devonian can be reconstructed using evidence from paleomagnetism, paleoclimate, paleobiogeography, and tectonic events. |
| By the end of the 1960s the knowledge available, provided by bathymetrics, paleomagnetism and seismography in particular, was extensive. |
