File:Weber Sandstone & Moenkopi Formation (Dinosaur National Monument, Utah, USA) 3 (48863599497).jpg

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The light-colored rocks at left are part of the southern flank of the Split Mountain Anticline in Dinosaur National Monument, Utah. The rocks are structurally-tilted 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.

The reddish-colored rocks at rich are hematite-rich, fine-grained siliciclastics of the Triassic-aged Moenkopi Formation. Gypsum is common in parts of the Moenkopi.

Stratigraphy: Weber Sandstone (Middle Pennsylvanian to Lower Permian) & Moenkopi Formation (Lower Triassic)

Locality: view from Cub Creek Road, Dinosaur National Monument, northern Uintah County, northeastern Utah, USA

See info. at:

<a href="https://en.wikipedia.org/wiki/Dinosaur_National_Monument" rel="noreferrer nofollow">en.wikipedia.org/wiki/Dinosaur_National_Monument</a>
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Source Weber Sandstone & Moenkopi Formation (Dinosaur National Monument, Utah, USA) 3
Author James St. John

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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/48863599497 (archive). It was reviewed on 13 October 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

13 October 2019

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current17:10, 13 October 2019Thumbnail for version as of 17:10, 13 October 20194,000 × 2,823 (6.9 MB)Ser Amantio di Nicolao (talk | contribs)Transferred from Flickr via #flickr2commons

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