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5 December 2012
Estemmenosuchus
Slightly annotated photo of a Permian therapsid skull on display in the Royal Tyrrell Museum in Drumheller, Alberta. Another photo of this same skull is here. This reptile needs an orthodontist.
4 December 2012
Mystery mylonite
I went into work on the weekend recently, and found two lovely new specimens of mylonite in the lab. Not sure whose they are, or where they came from, but I knew I had to photograph them so I could share them here with you:
3 December 2012
Monday macrobug: Delicate little wasp
We had several of these guys come inside in October, only to find themselves trapped and spend days flying around the window screens, trying to find a way back outside. This one is dead: Look at those stripey antennae! That thread-like waist! That extended stinger(?) or is it an ovipositor?
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.