Overhanging cliff carved by stream erosion of friable sandstone
This is a view along the north side of the Gulch, looking east toward “The Slide” in the middle background. The recess was carved out of a weak, cross-bedded layer of friable sandstone within the Berea Sandstone. Most of the Berea Sandstone is quite resistant to erosion, including the strongly cemented cross-bedded layer that forms the overhang above the recess. This process is called “differential erosion” by geologists. The strength of the cement that holds the individual grains of sand together can vary from place to place and bed to bed within the same formation.
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