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Showing results for tags 'shaped'.
Found 3 results
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Hi, I am new to the site. I have had this rock for 50 years. I would love to know what it is and how it was made. I don't remember much about the details on getting it. The kid I got it from lived in Virginia. I always thought it was a petrified egg. Some of the people I shown it to say it was just a stone in flowing water for a long time. A tool for native Americans to make paint, or a heating stone for native Americans to heat water. I have had it x-rayed, with no results. I would really appreciate anyone who can tell me about it or where I can get it tested without d
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Pycnocrinus dyeri ordovician Upper Fairview formation Maysville, Kentucky Bowl shaped calyx below secondary radials, which number 12-15 No tertiary or intertertiary areas, and the arms bifurcate and become free at the top of the vault. Classification: Animalia, Echinodermata, Crinoidea, Camerata, Monobathrida, Glyptocrinidae Pycnocrinus dyeri has a distally coiled stem that was used as an attachment around bryozoans or other erect crinoid stems. The column is composed of circular columnals with nodals separated by varying numbers of internodals.
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These things are very small, my best guess is that they are well below 0.50mm. The bivalves and gastropods found in the sandstone nearby suggest that they are from the Pliocene period. There were a lot of these things found. I have researched these and found several photos but it not easy to tell which is which.
