“Horizontal gypsum seams in Triassic Gunthorpe Member of the Sidmouth Mudstone Formation Surface section in river cliff beside River Trent at Gunthorpe, Nottinghamshire; on the southeastern bank adjacent to the weir. 8m section of the middle part of the member.
Thickest seam is approximately 5cm thick (centimetre scale in photo).
Photo taken on 8 Feb 2011.”
Tim Colman - 10th February 2011