13 July 2018

Friday fold: the anticline at Chickie’s Rock

Posted by Callan Bentley

Chickie’s Rock is a prominent cliff of Cambrian quartz arenite (sandstone) in Lancaster County, Pennsylvania. I visited it last month with field trippers at the eastern section meeting of the National Association of Geoscience Teachers. One of the aspects of the site is this gentle anticline with axial planar cleavage:

The yellow rectangle is my field notebook for scale. Another shot:

Happy Friday to all!