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Friday folds: Sardinian tuff

September 16, 2024February 22, 2019 by Callan Bentley

It’s the last day of the work week. Some photos of isoclinal syn-depositional folding in Sardinian tuff will get your Friday off on the right foot.

Categories europe, folds, france, Friday Fold, igneous, volcano Leave a comment

Friday fold: Refolded marble from Corsica

September 12, 2024November 2, 2018 by Callan Bentley

The Friday fold comes to us from Corsica via University of Washington structural geologist Darrel Cowan. It’s a marble that’s been folded *twice!*

Categories europe, folds, france, Friday Fold, marble, metamorphism Tags featured Leave a comment

Friday fold: Corsican blueschist sheath fold

September 12, 2024May 18, 2018 by Callan Bentley

The Friday fold takes us to the French Mediterranean island of Corsica. Are you ready to dip into the blueschist facies in search of sheath folds?

Categories folds, france, Friday Fold, metamorphism Tags featured Leave a comment

Friday fold: Canoeing the Célé River, France

September 16, 2024June 23, 2017 by Callan Bentley

I was in southern France last week, exploring an awesome suite of caves cut into the Causses limestone plateau. My family and I took an afternoon to paddle a canoe down 5 kilometers of the Célé River. While floating along, we spied a gentle, open fold in the limestone layers that crop out along the … Read more

Categories europe, folds, france, Friday Fold, limestone Leave a comment

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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