“Poison” comes to mind when I think of the outcrop of Niobrara and Pierre shale where Neva Road meets U.S. 36 several miles north of Boulder. The shales are able to exclude some plant species and also ...
On Feb. 13, I went to the shale outcrop at the intersection of Neva Road and U. S. 36. By coincidence, I arrived at the same time as Carolyn Crawford and Bill Jennings, avid members of the Colorado ...
Cambrian Period creatures known as sea moths seemed alien because of their additional eye, but a study finds anatomical features more in line with modern animals. An artist’s impression of Mosura ...
It was getting late and the team of paleontologists excavating a previously unexplored outcrop of the Burgess Shale was ready to call it a day. A camera crew filming the dig in Kootenay National Park ...
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This photo shows researchers doing field sampling of a pyrite-rich black shale outcrop in China. The weathering of such sediments, which contain sulfur originally buried from the ocean, transfers ...
You can save this article by registering for free here. Or sign-in if you have an account. It was getting late and the team of paleontologists excavating a previously unexplored outcrop of the Burgess ...
It was getting late and the team of paleontologists excavating a previously unexplored outcrop of the Burgess Shale was ready to call it a day. A camera crew filming the dig in Kootenay National Park ...
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