By: magic-gigapans
Image: Callan Bentley, Mid-Atlantic Geo-Image Collection
License: Creative Commons Non Commercial ⧉

Uploaded: 29 Apr 2020
Last Updated: 21 May 2020

71 megapixels
17,913 x 3,957 pixels
59.7 in X 13.2 in at 300dpi
4 pixels per inch

West of Shell, Wyoming, on route 14, there is a lovely exposure showing the tilted disconformity between the lower Tensleep Formation (purple; Pennsylvanian period) underneath Goose Egg Formation (orange/tan; Permian to Triassic in age). The contact dips to the west because it has been deformed during Laramide mountain-building (uplift of the Bighorn block, and downdropping of the Bighorn basin).