File:Grand Canyon National Park Colorful Ledges in Muav 0449 (7705973968).jpg
![File:Grand Canyon National Park Colorful Ledges in Muav 0449 (7705973968).jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/5/59/Grand_Canyon_National_Park_Colorful_Ledges_in_Muav_0449_%287705973968%29.jpg/401px-Grand_Canyon_National_Park_Colorful_Ledges_in_Muav_0449_%287705973968%29.jpg?20200420182632)
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Summary
[edit]DescriptionGrand Canyon National Park Colorful Ledges in Muav 0449 (7705973968).jpg |
The Muav formation is most often a yellowy green slope or cliffs, but here on the North Kaibab trail it is very colorful. NPS Photo by Kristen M. Caldon Muav Limestone: thickness: 350-600 ft. Deposited 505 million years ago during the Middle Cambrian period, the Muav Limestone is mostly composed of limestone and dolomite. It forms grey to orange cliffs within the Canyon. At the time the Muav Limestone was deposited, the water level had risen further and the Grand Canyon region would have been covered by a warm, shallow, subtropical sea, closely resembling the Bahamas of today. Fossils in the Muav include sponges, stromatolites, and echinoderms. Many springs emerge from the Muav Limestone. Springs are locations where groundwater naturally emerges at the Earth’s surface. Here water emerges because it can’t trickle down through the Bright Angel Formation below, which is an aquaclude. |
Date | |
Source | Grand Canyon National Park: Colorful Ledges in Muav 0449 |
Author | Grand Canyon National Park |
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This image was originally posted to Flickr by Grand Canyon NPS at https://flickr.com/photos/50693818@N08/7705973968. It was reviewed on 20 April 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
20 April 2020
Public domainPublic domainfalsefalse |
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This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government, such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information. | ![]() |
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current | 18:26, 20 April 2020 | ![]() | 2,592 × 3,872 (2.94 MB) | Killarnee (talk | contribs) | Transferred from Flickr via #flickr2commons |
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Date and time of data generation | 08:59, 23 July 2012 |
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File change date and time | 15:22, 30 July 2012 |
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Date and time of digitizing | 08:59, 23 July 2012 |
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GPS tag version | 2.2.0.0 |
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Date metadata was last modified | 08:22, 30 July 2012 |
Unique ID of original document | xmp.did:6EA2901395DAE1118EFB8CA68531BDCD |