Valchion Posted September 26, 2019 Share Posted September 26, 2019 I have found this coiled cephlapod in Pennsylvanian age limestone in Missouri. I believe it to either be a temnocheilus or cooperoceras. I was wondering if there is anyway to tell if this fossil was silica. And if it was could it be prepped by using acetic acid. TIA! Link to comment Share on other sites More sharing options...
JohnBrian Posted September 26, 2019 Share Posted September 26, 2019 Put a tiny drop on the fossil & see if it fizzes. If it does, wash it off quickly in water. Don't know if it would be a good idea to process the fossil (assuming it's NOT reactive) with acid. But someone with much more experience will be along to tell you what to do! ---------------------------------------------------------------------------- John I had a friend once, but the wheels fell off. Sad, very sad. - Nightwing Link to comment Share on other sites More sharing options...
Ptychodus04 Posted September 26, 2019 Share Posted September 26, 2019 @JohnBrian has the right idea. Regards, Kris Global Paleo Services, LLC https://globalpaleoservices.com http://instagram.com/globalpaleoservices http://instagram.com/kris.howe Link to comment Share on other sites More sharing options...
Mark Kmiecik Posted September 26, 2019 Share Posted September 26, 2019 I can't tell how large the specimen is from the cropped photos, but if there's more fossils preserved in the same way you could try the acid on one or more of them first. Mark. Fossil hunting is easy -- they don't run away when you shoot at them! Link to comment Share on other sites More sharing options...
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