Klaus_Grizwold Posted June 12 Share Posted June 12 This seems to be some kind of fossil soup, I can see many kinds of aquatic fossils, and bore holes. My question is, is the underlying structure limestone, rotten and fossilized wood, or degraded bone? Or something else. Found along a beach ridge of Lake Agassiz in North Dakota. Link to comment Share on other sites More sharing options...
Fossildude19 Posted June 12 Share Posted June 12 Looks like limestone or mudstone. The tubes look like the remains of stick/branching Bryozoans. I see one or two shell fossils, as well. 1 Tim - VETERAN SHALE SPLITTER VFOTM --- APRIL - 2015 IPFOTM -- MAY - 2024 _________________________________________________________________________________ "In every walk with nature one receives far more than he seeks." John Muir ~ ~ ~ ~ ><))))( *> About Me Link to comment Share on other sites More sharing options...
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