File:Shinarump Conglomerate over Moenkopi Formation over Park City Formation over Weber Sandstone (Split Mountain, Dinosaur National Monument, Utah, USA) (48811348652).jpg
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This is Split Mountain in Dinosaur National Monument, Utah, through which the Green River has erosionally carved a prominent canyon (off frame, to the left). Split Mountain itself is composed of 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. The multicolored sedimentary rocks at left are the Park City Formation, a Permian-aged, marine, heterolithic, slope-forming unit. Here, it is principally reddish and yellowish shales. At center & center-right is a hematite-rich, fine-grained siliciclastics unit called the Moenkopi Formation (Lower Triassic). The brownish-colored rocks at far-right are conglomerates in the basal Chinle Formation (Upper Triassic). These rocks are called the Shinarump Conglomerate. 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: Shinarump Conglomerate (Upper Triassic) over Moenkopi Formation (Lower Triassic) over Park City Formation (Permian) over Weber Sandstone (Middle Pennsylvanian to Lower Permian) Locality: southern flanks of Split Mountain, Dinosaur National Monument, northern Uintah County, northeastern Utah, USA (40° 26' 39.76" North latitude, 109° 15' 01.22" 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> |
| Date | |
| Source | Shinarump Conglomerate over Moenkopi Formation over Park City Formation over Weber Sandstone (Split Mountain, Dinosaur National Monument, Utah, USA) |
| 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@N05/48811348652 (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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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 00:41, 8 October 2019 | | 4,264 × 2,364 (7.42 MB) | Ser Amantio di Nicolao (talk | contribs) | Transferred from Flickr via #flickr2commons |
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