Devos Posted July 14, 2017 Share Posted July 14, 2017 Link to comment Share on other sites More sharing options...
TqB Posted July 14, 2017 Share Posted July 14, 2017 Welcome to the forum - I believe it's an agatised/silicified piece of a solitary rugose coral (horn coral). What size is it? Something like this Caninia , transverse and longitudinal sections: 5 Tarquin Link to comment Share on other sites More sharing options...
sixgill pete Posted July 14, 2017 Share Posted July 14, 2017 I agree with Tarquin that this is a piece of horn coral. Bulldozers and dirt Bulldozers and dirt behind the trailer, my desert Them red clay piles are heaven on earth I get my rocks off, bulldozers and dirt Patterson Hood; Drive-By Truckers May 2016 May 2012 Aug 2013, May 2016, Apr 2020 Oct 2022 Link to comment Share on other sites More sharing options...
Arizona Chris Posted July 14, 2017 Share Posted July 14, 2017 Looks to me like a silicified solitary rugose. The third image shows the cross section of the calice. ---------------------------------------------------------------------------------------------------------------------------- Arizona Chris Paleo Web Site: http://schursastrophotography.com/fossiladventures.html Link to comment Share on other sites More sharing options...
abyssunder Posted July 14, 2017 Share Posted July 14, 2017 It is a geodized horn coral fragment. Pretty nice! " We are not separate and independent entities, but like links in a chain, and we could not by any means be what we are without those who went before us and showed us the way. " Thomas Mann My Library Link to comment Share on other sites More sharing options...
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