Geissman, John W.
John Geissman is a Professor of Geosciences, a Crosby Fellow of the Massachusetts Institute of Technology, and a Fellow of the Geological Society of America and the American Geophysical Union. His research interests center around paleomagnetism, specifically:
- Rock magnetism and its use in solving geologic problems,
- How rocks acquire magnetism and how it is stabilized in them,
- How magnetic phases and their petrogenesis relate to processes, including deformation, affecting rocks
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Paleontology of the Blaauwater 67 and 65 Farms, South Africa: Testing the Daptocephalus/Lystrosaurus Biozone Boundary in a Stratigraphic Framework (SEPM-Society for Sedimentary Geology, 2017-06)Vertebrate paleontologists have proposed a model for the terrestrial end-Permian event in the Karoo Basin, South Africa. The scenario envisions vegetational collapse that resulted in a phased extinction of vertebrate taxa ...