A geological unconformity in Summer House Wood
Introduction
The photograph on this page of A geological unconformity in Summer House Wood by Dr Duncan Pepper as part of the Geograph project.
The Geograph project started in 2005 with the aim of publishing, organising and preserving representative images for every square kilometre of Great Britain, Ireland and the Isle of Man.
There are currently over 7.5m images from over 14,400 individuals and you can help contribute to the project by visiting https://www.geograph.org.uk
Image: © Dr Duncan Pepper Taken: 17 Nov 2016
The upper layer is a Triassic Mercia Mudstone whilst the lower layer is Blacknore lower Devonian sandstone-separated by 200 million years.