File:Moenkopi Formation (Lower Triassic; just south of Split Mountain, Dinosaur National Monument, Utah, USA) 5 (48811360267).jpg

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This outcrop is next to Split Mountain in Dinosaur National Monument, Utah, through which the Green River has erosionally carved a prominent canyon (off frame, to the left).

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

Structurally, this is the southern flank of the Split Mountain Anticline, which strikes east-west and plunges westward. This is also the northern flank of the Jensen Syncline.

Stratigraphy: Moenkopi Formation, Lower Triassic

Locality: southern flanks of Split Mountain, Dinosaur National Monument, northern Uintah County, northeastern Utah, USA (40° 26' 36.83" North latitude, 109° 14' 59.59" West longitude)


See info. at: <a href="https://en.wikipedia.org/wiki/Dinosaur_National_Monument" rel="noreferrer nofollow">en.wikipedia.org/wiki/Dinosaur_National_Monument</a>


Geologic map of Dinosaur National Monument:

<a href="https://pubs.usgs.gov/imap/1407/plate-1.pdf" rel="noreferrer nofollow">pubs.usgs.gov/imap/1407/plate-1.pdf</a>
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Source Moenkopi Formation (Lower Triassic; just south of Split Mountain, Dinosaur National Monument, Utah, USA) 5
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@N05/48811360267 (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.

8 October 2019

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Date/TimeThumbnailDimensionsUserComment
current00:41, 8 October 2019Thumbnail for version as of 00:41, 8 October 20194,000 × 2,282 (7.24 MB)Ser Amantio di Nicolao (talk | contribs)Transferred from Flickr via #flickr2commons

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