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Showing results for tags 'nacre'.
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I found these not too long ago in the North Sulphur River. I want to prep them out. They’re a tough prep, because I want to reveal and preserve the nacre. As I prep though I end up damaging the delicate layer. Is there something I can coat it with to preserve the nacreous layer as I continue to work with it? Some are Inoceramus clams. The long slender ones I have no idea what they are. My best guess is that they are some type of rudist. I don’t think they are cepholopods because I can’t see and sutures or septa. Some appear to be quite cylindrical. I’ve collected many baculites fossils from the area and these don’t remotely resemble baculites. If someone has an ID great, but my main question is in regards to preservation of nacre. Any help would be appreciated.
So I finally have an answer to the identity of this fossil I found in a rock quarry in Crescent, Iowa back in 2015... it has been identified as the back half of a eurypterid with the telson attached and nacre. This is a very unusual find for the location and the age of the shale.