17 December 2010
Posted by Callan Bentley
Schists that formed and folded in the Caledonian orogeny 490- to 390-million years ago. This is a “brick” in the wall of a monastery in Ireland. Maitri‘s husband’s most-uncooperative index finger approximates the hinge line. Here’s the Flickr page this came from, with Maitri’s permission.
Happy Friday!
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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