'Paleomagnetism' presentation slideshows

Warm-up #43 Mar. 26

373 views • 31 slides

Pre-Neoproterozoic plate tectonics: paleomagnetic evidence

Pre-Neoproterozoic plate tectonics: paleomagnetic evidence. S.A. Pisarevsky Tectonics Special Research Centre University of Western Australia. What we need to know to use pre-Neoproterozoic paleomagnetism?. How old is the geomagnetic field?

299 views • 29 slides

413 views • 28 slides

Continental Drift

168 views • 15 slides

The seafloor spreading hypothesis explains how

The seafloor spreading hypothesis explains how. Ocean ridges spread/ open up over time and are filled with new magma Rocks get progressively older farther away from the ridge crests Symmetrical patterns of magnetic reversals on either side of the mid ocean ridges All of the above

183 views • 3 slides