File:Grand Canyon Fossil Worm Tracks 3823 - Flickr - Grand Canyon NPS.jpg
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| Description |
Fossil Fucoids (worm tracks) in the Bright Angel Formation Trace fossils are left behind by the activities of ancient organisms. Burrows are a classic example of a trace fossil. Animals burrowed through the soft sediment at the bottom of the ancient seas. Under the right conditions, these burrows were preserved when they filled in with sediment. The animals are not usually present, but evidence of their behavior or activities is represented in the trace fossil. |
| Date | |
| Source | Grand Canyon_Fossil Worm Tracks_3823 |
| Author | NPS photo by Kristen M. Caldon. Grand Canyon National Park |
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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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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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This image was originally posted to Flickr by Grand Canyon NPS at https://www.flickr.com/photos/50693818@N08/8241297883. It was reviewed on 17 February 2014 by FlickreviewR 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 | 23:26, 17 February 2014 | | 4,288 × 2,848 (4.36 MB) | Matanya (talk | contribs) | == {{int:filedesc}} == {{Information |Description=Fossil Fucoids (worm tracks) in the Bright Angel Formation NPS Photo by Kristen M. Caldon Trace fossils are left behind by the activities of ancient organisms. Burrows are a classic example of a trace f... |
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