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Madison H. posted a new activity comment 1 year ago
1 year ago1 year ago@alex-stone If the excavator finds a decent specimen, they can cut and polish ammonite shells and send them to the sellers. Small crystals are probably where, during fossilization, the ammonite fossil came in contact with something like pyrite, and they kind of mix as the shell turns into rock. We observe this in dinosaur bones as well.
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Pamela Fabrick posted a new activity comment 2 years, 1 month ago
2 years, 1 month ago2 years, 1 month ago@alex-stone You’re Welcome!
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Aiden Gore posted a new activity comment 2 years, 1 month ago
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Matthew Gramling posted a new activity comment 3 years, 1 month ago
3 years, 1 month ago3 years, 1 month ago@alex-stone Glad to be of service!
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Matthew Gramling posted a new activity comment 3 years, 1 month ago
3 years, 1 month ago3 years, 1 month ago@alex-stone@a-trilobite My best hypothesis is that this is possibly an endoceratid cephalopod like Cameroceras. From the research, I’ve done the Waynesville is known for its cephalopod genera albeit Treptoceras is the key fauna.
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Matthew Gramling posted a new activity comment 3 years, 1 month ago
3 years, 1 month ago3 years, 1 month agoHi @alex-stone ! Did you collect this from the Waynesville/Arnheim formations?
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A Trilobite posted a new activity comment 3 years, 1 month ago
3 years, 1 month ago3 years, 1 month ago@alex-stone I think it’s a bivalve shell, you can see how the front end curves under the top of the shell. It also has the shape of a bivalve shell
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Matthew Gramling posted a new activity comment 3 years, 1 month ago
3 years, 1 month ago3 years, 1 month agoGreetings @alex-stone ! These were given to me as a gift years ago, but I believe they might have been collected near Lancaster, PA.
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Daniel Park posted a new activity comment 3 years, 2 months ago
3 years, 2 months ago3 years, 2 months ago@alex-stone some helpful information could be found here: http://www.thefossilforum.com/index.php?/topic/7633-extracting-limestone-fossils/