RJB Posted November 1, 2016 Share Posted November 1, 2016 Here are a couple of Nautilus I have finished up. The small one is from the Fox Hills Formation, the bigger one is from the Pierre Shales of eastern Montana. The really neat thing about the bigger one is that its in its own concretion. Very very hard to find one like that! First one ive seen! Oh, a bit over 6 hours of prep for the bigger one. RB Link to post Share on other sites
RJB Posted November 1, 2016 Author Share Posted November 1, 2016 Oops, these are Eutrephoceras dekayi. I think? Ron Link to post Share on other sites
StormDancer Posted November 1, 2016 Share Posted November 1, 2016 Very nice Ron Link to post Share on other sites
FossilDudeCO Posted November 2, 2016 Share Posted November 2, 2016 wow those are gorgeous.... Are those concretions found throughout the Pierre shale? Like even down here in Colorado? Link to post Share on other sites
ischua Posted November 2, 2016 Share Posted November 2, 2016 Very Nice!! Link to post Share on other sites
lcordova Posted November 2, 2016 Share Posted November 2, 2016 Great job Ron Link to post Share on other sites
RJB Posted November 2, 2016 Author Share Posted November 2, 2016 Thanks everyone. FossilDude: Concretions found everywhere in the Pierre Shales. I think not. Even here in Montana trying to find an area in a formation that has fossil bearing concretions is no easy task. Ive not heard of these coming out of Colorado, but I guess there could be? RB Link to post Share on other sites
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