2 November 2018
Friday fold: Refolded marble from Corsica
Posted by Callan Bentley
Happy Friday, Mountain Beltway readers!
Here is a guest Friday fold to ease you into the weekend:
It comes to us from Corsica via Darrel Cowan of the University of Washington.
Darrel reports:
I was in a workshop and field trips on Corsica–CourseAlp 2011–and made this photo on the coastal road near Erbalunga on Cap Corse. I present it as a refolded fold in Mesozoic marble of the Schistes Lustrés.
Do you see the twice-folded central layering? Here, I’ll highlight it in lurid shades of green and pink, and trace out the axial surface of the first-generation fold (F1) and the second generation fold that overprints it (F2):
Super cool: what lucky rocks, to have enjoyed folding twice!
Have a good weekend, all.
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.