File:Entrada Sandstone over Kayenta Formation over Wingate Sandstone (Jurassic; Red Canyon, Colorado National Monument, Colorado, USA) 1 (23363863244).jpg
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| Description |
Colorado National Monument is a colorful and scenic park just southwest of the town of Grand Junction in western Colorado, USA. It's located in the northeastern part of the Colorado Plateau Physiographic Province, a large section of continental crust that was significant uplifted during the Cenozoic. The rocks in the park are gently folded into a large monocline that has been erosionally dissected into a series of dramatic canyons. The major cliff-forming unit here is the Wingate Sandstone (Lower Jurassic). It consists of eolian quartzose sandstones deposited in an ancient sand dune field. Above that is a light-colored interval called the Kayenta Formation (Lower Jurassic), which is dominated by quartzose sandstones deposited in ancient river systems. The ~salmon-colored unit at the far upper left is the Entrada Sandstone (Middle Jurassic). The Entrada is similar to the Wingate - they are both eolian, cross-bedded quartzose sandstone units deposited in ancient sand dune fields. Locality: Red Canyon, Colorado National Monument, southwest of the town of Grand Junction, west-central Mesa County, far-western Colorado, USA |
| Date | |
| Source | Entrada Sandstone over Kayenta Formation over Wingate Sandstone (Jurassic; Red Canyon, Colorado National Monument, Colorado, USA) 1 |
| 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@N05/23363863244 (archive). It was reviewed on 6 December 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 | |
|---|---|---|---|---|---|
| current | 03:59, 6 December 2019 | | 3,006 × 1,738 (4.52 MB) | Ser Amantio di Nicolao (talk | contribs) | Transferred from Flickr via #flickr2commons |
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