File:Frontier Sandstone (Upper Cretaceous; western Dinosaur National Monument, Utah, USA) 28 (48849707377).jpg
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Summary
[edit]DescriptionFrontier Sandstone (Upper Cretaceous; western Dinosaur National Monument, Utah, USA) 28 (48849707377).jpg |
Structually tilted sandstone in the Cretaceous of Utah, USA. This is an outcrop of the Frontier Sandstone (Frontier Formation). The rocks in this area have been tectonically tilted - the beds are steeply dipping to the south. The Upper Cretaceous Frontier Sandstone is a coarse-grained, shallow water marine to shoreline unit. Marine deposits of Cretaceous age are widespread in western North America - they represent sedimentation during a sea level highstand. At this time, global sea level became so high that an ocean called the Western Interior Seaway separated eastern and western North America. The Cretaceous transgression was a result of relatively rapid seafloor spreading rates (tectonic divergence) in some oceans basins. This lifted considerable portions of the seafloor, which raised global sea levels. Stratigraphy: Frontier Sandstone, Upper Cretaceous Locality: Fossil Discovery Trail, western Dinosaur National Monument, northern Uintah County, northeastern Utah, USA (vicinity of 40° 26' 16.81" North latitude, 109° 17' 59.46 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 | Frontier Sandstone (Upper Cretaceous; western Dinosaur National Monument, Utah, USA) 28 |
Author | James St. John |
Licensing
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/48849707377 (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/Time | Thumbnail | Dimensions | User | Comment | |
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current | 00:54, 8 October 2019 | 4,288 × 2,848 (8.85 MB) | Ser Amantio di Nicolao (talk | contribs) | Transferred from Flickr via #flickr2commons |
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Date and time of data generation | 13:53, 10 June 2013 |
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Bits per component |
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File change date and time | 18:26, 5 October 2019 |
Y and C positioning | Co-sited |
Exposure Program | Not defined |
Exif version | 2.21 |
Date and time of digitizing | 13:53, 10 June 2013 |
Meaning of each component |
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Maximum land aperture | 4 APEX (f/4) |
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Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
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White balance | Auto white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 37 mm |
Scene capture type | Standard |
Scene control | None |
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Serial number of camera | 3562538 |
Lens used | TAMRON AF 18-270mm F3.5-6.3 Di II VC PZD B008N |
Date metadata was last modified | 14:26, 5 October 2019 |
Unique ID of original document | CE54A5D1351195781486EA5AF5CEA09A |