![File:Rattlesnake Formation Mural.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/0/0d/Rattlesnake_Formation_Mural.jpg/799px-Rattlesnake_Formation_Mural.jpg)
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Summary
DescriptionRattlesnake Formation Mural.jpg |
Turtle Cove Member Mural from the——Thomas Condon Paleontology Center, "painted by," Roger Witter. Life in the Rattlesnake came to an abrupt end seven million years ago as a stratovolcano in the Harney Basin (near current-day Burns) erupted, as pictured in the mural below. Tephra was expelled from the mouth of the volcano, coming down like a fiery hail on the land. The eruption created a pyroclastic flow which attained speeds over 400 mph and spewed hot, ashy gas that reached nearly 1,800 °F. This event cause nearly 13,000 square miles of Eastern Oregon to be, covered in an ashy tuff that destroyed everything in its path. Dominant Fossils Found in this Assemblage: Vulpes stenognathus (fox) Indarctos oregonensis (bear with long legs, short muzzle) Teleoceras cf. fossiger (grazing rhinoceros. Short legs, barrel chested built like a hippo) Mylohyus longirostris (peccary, pig-like animal) Pliohippus spectans (Single-toed horse, equine ungulate) Amebelodon sp.(genus gomphotheriidae, four tusked elephant relative) Hemiauchenia cf. vera (camel, long neck, looked similar to a llama. But with more camelidae features) Machairodus sp. (saber tooth feline, large. Similar in size to living panthers) Bunch grasses Mixed forest (Populus, Alnus, Salix, etc.) |
Date | |
Source | https://www.nps.gov/joda/learn/nature/rattlesnake.htm |
Author | Roger Witter |
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This image/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 is a work of a Bureau of Land Management* employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain in the United States. *or predecessor organization |
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11 May 2018
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 08:56, 11 May 2018 | ![]() | 2,810 × 1,087 (558 KB) | Mariomassone | == {{int:filedesc}} == {{Information | Description = Turtle Cove Member Mural from the Thomas Condon Paleontology Center, painted by Roger Witter.<br>Seven million years ago rivers chewed down into the soft, ashy soils of large floodplains, carving out river channels and creating lush riparian zones. These riparian woodlands and meadows were the home to grazing ungulates (horses/ camelids) and burrowing mammals (moles, gophers, and ground squirrels). Acidification through time caused a shift ... |
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Width | 16,053 px |
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Height | 6,208 px |
Bits per component |
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Compression scheme | Uncompressed |
Pixel composition | RGB |
Orientation | Normal |
Number of components | 3 |
Horizontal resolution | 2,137 dpi |
Vertical resolution | 2,137 dpi |
Data arrangement | chunky format |
Software used | Adobe Photoshop CS6 (Windows) |
File change date and time | 10:05, 17 June 2014 |
Color space | Uncalibrated |
Unique ID of original document | uuid:7B1D4F74CB8911DDB0C3887941859C4F |
Date and time of digitizing | 12:23, 14 December 2008 |
Date metadata was last modified | 03:05, 17 June 2014 |
Copyright status | Copyright status not set |
IIM version | 2 |