Where's the Dinosaur?
by Jon Burch Photography
Title
Where's the Dinosaur?
Artist
Jon Burch Photography
Medium
Photograph - Digital Capture & Enhancement
Description
Can you spot the fossil? It’s right in front of you in one of these Morrison formation rocks.
The Morrison Formation is a distinctive sequence of Upper Jurassic sedimentary rock found in the western United States which has been the most fertile source of dinosaur fossils in North America. It is composed of mudstone, sandstone, siltstone, and limestone and is light gray, greenish gray, or red. Most of the fossils occur in the green siltstone beds and lower sandstones, relics of the rivers and floodplains of the Jurassic period.
It is centered in Wyoming and Colorado, with outcrops in Montana, North Dakota, South Dakota, Nebraska, Kansas, the panhandles of Oklahoma and Texas, New Mexico, Arizona, Utah, and Idaho. Equivalent rocks under different names are found in Canada. It covers an area of 600,000 square miles, although only a tiny fraction is exposed and accessible to geologists and paleontologists. Over 75% is still buried under the prairie to the east, and much of its western paleogeographic extent was eroded during exhumation of the Rocky Mountains.
The formation was named after Morrison, Colorado, where the first fossils in the formation were discovered by Arthur Lakes in 1877. That same year, it became the center of the Bone Wars, a fossil-collecting rivalry between early paleontologists Charles Marsh and Edward Cope. In Colorado, New Mexico, and Utah, the Morrison Formation was a major source of uranium ore.
This photograph was made east of Loveland, Colorado in the Devil's Backbone Open Space.
Some digital effects were applied to the original image after the photograph was made. No electrons were harmed during the transition. Ordered images will not contain the FAA watermark
Image copyright 2018 Jon Burch Photography
Uploaded
November 20th, 2018
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