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Showing results for tags 'lorain group'.
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I have started this discussion to get some answers to the following questions, but we can have also have some fun if you show us your most colorful fossils. Can you explain why some fossils are gray and some are colored? What are the process that give fossils colors? Can we deduce something about the environment the organism was living in ? For example, the following fossils were found about 1 km apart in the Lorraine Group portion of the Nicolet River Formation near Montreal, Quebec. As you can see, the bottom plate is gray, very different from the colored fossils we see in the triangular plate. I read somewhere, that in this formation the color comes from the red clay, but I couldn't find much more information. I wonder if the colors of the fossils can give any hints about the environment the living organisms lived in, for example, although I found the two plates in the same formation, the two environments look different, the fossils found in red clay are usually different species and smaller but also in greater numbers. Please feel free to post your most colorful fossils, I'm curious to see what color you have come up with The following examples are taken from the same formation
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I recently found this peculiar fossil, I know that it is from the Ordovician period, because of the formation where it was found. But I cannot figure out if it is a piece of a trilobite or a cephalopod, or something else? It look like it have to round half that are joining in the middle.
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