koscojo Posted June 10, 2012 Share Posted June 10, 2012 Not sure if this is a fossil or a rock. Found along a river in NW Missouri. Sorry about the link. My pictures are too big to upload on here. http://photobucket.com/possiblefossil Link to comment Share on other sites More sharing options...
Kosmoceras Posted June 10, 2012 Share Posted June 10, 2012 It looks like a concretion to me, but don't take my word on it. An interesting piece none the less. Link to comment Share on other sites More sharing options...
GeoJon Posted June 11, 2012 Share Posted June 11, 2012 Looks like a concretion (i.e., a mineral nodule) to me, too. Pretty neat piece! Welcome to the forum, Koscojo. I'm only an occasional visitor to this site, but the people on here are pretty knowledgeable. Link to comment Share on other sites More sharing options...
thanatocoenosis Posted June 11, 2012 Share Posted June 11, 2012 It doesn't look like any concretion that I have seen, but it does resemble the red algae Solenopora sp. Solenopora is fairly common though out the Paleozoic and Mesozoic. Really need to see a close up (x10 - x20) for a determination. 2012 NCAA Collegiate Round Ball Champs; and in '98, '96, '78, 58, '51, '49, and '48, too. Link to comment Share on other sites More sharing options...
howard_l Posted June 11, 2012 Share Posted June 11, 2012 Question. What is the composition of this material, (chert, siltstone, Limestone)? Are the pictures of one specimen or different specimens? To make my pictures small enough to load, I use paint to reduce them. Others may have a better way. What was the material (rock) were it was found. Do possibly know the age of the rocks where it was found? Howard_L http://triloman.wix.com/kentucky-fossils Link to comment Share on other sites More sharing options...
koscojo Posted June 11, 2012 Author Share Posted June 11, 2012 I don't know the composition. Some parts can break easily and it is black, but some other areas look more rusty. This is one specimen. It was found in sand by a river in NW Missouri, a place noted for Pennsylvanian specimens. Link to comment Share on other sites More sharing options...
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