File:Weber Sandstone (Pennsylvanian-Permian; Split Mountain, Dinosaur National Monument, Utah, USA) 17 (48809186157).jpg
This is Split Mountain in Dinosaur National Monument, Utah, through which the Green River has erosionally carved a prominent canyon. The rocks are eolian sandstones of the Weber Sandstone, a thick, Pennsylvanian- to Permian-aged unit representing ancient sand dune deposits. The Weber is the principal cliff-forming unit in the park.
In nearby northwestern Colorado, the Weber Sandstone occurs in the subsurface and is a petroleum reservoir for the Rangely Field. The Rangely has produced over 900 million barrels of oil in its lifetime.
Stratigraphy: Weber Sandstone, Middle Pennsylvanian to Lower Permian
Locality: Split Mountain, Dinosaur National Monument, northern Uintah County, northeastern Utah, USA (40° 26' 48.01" North latitude, 109° 15' 03.17" West longitude)
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/48809186157 (archive). It was reviewed on 8 October 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
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