Showing posts with label geology. Show all posts
Showing posts with label geology. Show all posts

Friday, September 2, 2011

The Hole of Horcum

Situated in the North Yorkshire Moors National Park, the Hole is a "devil's punchbowl" like feature created by springs "washing away" material. Rainwater permeates down through the overlying sandstone which sits on an impervious clay deposit. The springs emerge from the base of the sandstone and have created this huge depression.