11 February 2013
Some ductile deformation in Mosaic Canyon
Posted by Callan
Following the “monster” that was the Friday fold two weeks ago, here are some more folds in the Noonday Dolostone (“Dolomite”) in Mosaic Canyon, Death Valley, California:
Zooming in on this isoclinal fold:
Bedding traces annotated, highlighting the “similar” style of folding (hinge thickened; limbs thinned):
A very different style of folding, observed a few meters away:
Callan Bentley is an assistant professor of geology at Northern Virginia Community College in Annandale, Virginia. He is particularly interested in structural geology and the evolution of the Appalachian mountain belt. Callan draws cartoons and writes for EARTH magazine. He lives in the Fort Valley of Virginia.
