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Showing results for tags 'geologic?'.
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I found this rock with these cylindrical shapes in Little Glasses Creek north of Kingston Oklahoma. At first I thought it looked like a tabulate coral but since it is a Cretaceous site it must be something else. It may be geologic in origin but if so I would still like to know what it's called. The portion of the rock showing in the photo is about 140mm long and the tubes/cylinders are about 30mm long. Some are rounded on the end and others broken off square.
A friend of mine who runs a rock shop acquired a large batch of fossils and other items, and asked if I could help ID them. I've been able to identify most of them, but there are a few I'm unsure about. At least one of them seems to be a non-fossil geologic item. Some of these were acquired without provenance details. I'm sure my friend would be content to have it down to the genus level, if possible.
Among other stuff (not many shark teeth) found a few puzzling pieces. Picked up what I though was a piece of turtle shell, but now think it might be a broken geode with black crystals? The second could also be a rock, it is solid too, but has roughly parallel columns, a few trucated, a few lost. Any ideas? (sorry for the scanner photos, not as flat as small teeth)