Ptychodus04 Posted October 24, 2014 Share Posted October 24, 2014 Do you mean the top side or bottom side of the first specimen? The top side is pure sandstone and the bottom side might be a shell, but it looks too round for a geoduck. http://www.google.com/images?q=Geoduck+clam&btnG=Search&hl=en&gbv=1&tbm=isch The geoduck identification was tongue in cheek. 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...
tmaier Posted October 24, 2014 Share Posted October 24, 2014 The geoduck identification was tongue in cheek. Please stand by, scanning tongue in cheek... http://www.google.com/search?q=tongue+in+cheek&btnG=Search&hl=en&gbv=1&tbm=isch Nope, I don't think it is one of those, either. Link to comment Share on other sites More sharing options...
tmaier Posted October 24, 2014 Share Posted October 24, 2014 (edited) Post #22 shows obvious signs of it mainly being chert. That is a concretion that forms in limestone or sometimes sandstone and it creates blobby weird shapes, like this. The red color comes from iron oxide stains. So this weird blob of chert formed in a sedimentary layer of either sandstone or limestone (or a mixture of both). Also, as I mentioned previously, it has been shaped and eroded out by either wind or rapid water movement. http://en.wikipedia.org/wiki/Chert Definitely no fossil, but an interesting rock for a paper weight. Edited October 24, 2014 by tmaier Link to comment Share on other sites More sharing options...
Pilobolus Posted October 24, 2014 Share Posted October 24, 2014 20141022_165952.jpg Side view In my studied opinion, a fossilized moon pie. Link to comment Share on other sites More sharing options...
jgcox Posted October 24, 2014 Share Posted October 24, 2014 Not a fossilized moon pie there is no RC cola with it--LOL--but it is a chert nodule Link to comment Share on other sites More sharing options...
Ptychodus04 Posted October 24, 2014 Share Posted October 24, 2014 In my studied opinion, a fossilized moon pie. It has to be a moon pie, I'll bet you $100 that if you bit this specimen you are just as likely to break a tooth as you are if you bit into a "fresh" one... 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...
RyanNREMTP Posted October 24, 2014 Share Posted October 24, 2014 Broke it out of concrete? Now that is dedication. Link to comment Share on other sites More sharing options...
tmaier Posted October 24, 2014 Share Posted October 24, 2014 Broke it out of concrete? Now that is dedication. Urban fossil hunting is not for the timid... Link to comment Share on other sites More sharing options...
JustPlainPetrified Posted October 29, 2014 Share Posted October 29, 2014 I believe the second one is a concretion. I've found many similar on the banks of the Little Smoky River in N. Alberta. Sometimes they even hold surprises. Link to comment Share on other sites More sharing options...
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