12 March 2010
Posted by Callan Bentley
The one I posted earlier came via iPhone, and iPhone cameras are rather low in resolution, especially after pocket-lint accumulates on the unprotected lens. I took this one with my normal camera & I think it came out a bit better:
Penny (upper center-left) for scale. I’ve got high-resolution versions of this if anyone needs them for teaching.
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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