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mass extinctions

Catastrophes and Lesser Calamities, by Tony Hallam

September 12, 2024November 12, 2022 by Callan Bentley

This is a thoughtful volume on mass extinctions written for the novice. One thing I really liked about this book is that it was written very clearly from the mind of a skeptical scientist who is conscientious about explaining each step in his thinking while explaining fairly complicated, murky stuff for a lay audience. Hallam … Read more

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About Callan

A headshot of Callan Bentley. Callan Bentley is Associate Professor of Geology at Piedmont Virginia Community College in Charlottesville, Virginia. He is a Fellow of the Geological Society of America. For his work on this blog, the National Association of Geoscience Teachers recognized him with the James Shea Award. He has also won the Outstanding Faculty Award from the State Council on Higher Education in Virginia, and the Biggs Award for Excellence in Geoscience Teaching from the Geoscience Education Division of the Geological Society of America. In previous years, Callan served as a contributing editor at EARTH magazine, President of the Geological Society of Washington and President the Geo2YC division of NAGT.

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