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Showing results for tags 'biological'.
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First off, not all the pics do this much justice. Brand new camera & not quite sure on lighting yet. Anyhow, I found this the other night while outside at work. I looked down at the river rock landscaping in this one area & saw what looked like a shadow that was at the wrong angle with the light, so I picked it up. Took it inside & this is what I had found. 4.5 cm long x 4 cm wide x about 1.75 cm thick weighing 27.2 gm. Some of the edge views show what looks like more extending down into whatever the matrix is. It doesn't fizz with hydrogen peroxide. I keep thinking shell when looking at it, but I could be mistaken. Found in Central Washington State from rock dredged from the Yakima River.
Troodon posted a topic in Fossil NewsThis article used fossilized and modern eggs to look at constructing environment, ecology and biology over a range of time scales from deep time to the present. Cracking the egg: the use of modern and fossil eggs for ecological, environmental and biological interpretation Shaena Montanari Published 20 June 2018.DOI: 10.1098/rsos.180006 http://rsos.royalsocietypublishing.org/content/5/6/180006?platform=hootsuite