In this episode, we chat about the Earth's magnetic field and how that is recorded in igneous rocks.  We discuss how this was worked out, how it was used to plot Apparent Polar Wandering Curves, and how we use magnetic stripes recorded in the rocks of the seafloor as evidence for Plate Tectonics.  And quite a bit more...Interested in joining us on a trip?   Visit us at www.geoetc.comSupport the show (https://www.buymeacoffee.com/Geoetc)