Triceratonin Posted December 30, 2019 Share Posted December 30, 2019 (edited) This rock was found in the shallow water off the South East shore of Lake Michigan about 20 years ago. No idea what it could be. Any help would be appreciated. Edited December 30, 2019 by Triceratonin Link to comment Share on other sites More sharing options...
Fossildude19 Posted December 30, 2019 Share Posted December 30, 2019 Welcome to the Forum. This looks like a sandstone cobble, with cross sections through a coral - maybe something like Syringopora or Siphonodendron. 1 Tim - VETERAN SHALE SPLITTER VFOTM --- APRIL - 2015 __________________________________________________ "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...
Triceratonin Posted December 30, 2019 Author Share Posted December 30, 2019 Thanks Tim! I'll look into those Link to comment Share on other sites More sharing options...
daves64 Posted December 30, 2019 Share Posted December 30, 2019 Looks sort of like someone used their hand to smoosh some play-do. I know it isn't, but it does look sort of like it. Accomplishing the impossible means only that the boss will add it to your regular duties. Link to comment Share on other sites More sharing options...
Triceratonin Posted December 30, 2019 Author Share Posted December 30, 2019 (edited) Yea, its got some features that look like some kind of print/track to me as well. Not sure how possible that is but I agree with your observation. Thanks Dave! Edited December 30, 2019 by Triceratonin Link to comment Share on other sites More sharing options...
Rockwood Posted December 30, 2019 Share Posted December 30, 2019 The print/track could be a weathered external mold of some unknown that had been encrusted by the coral. Aulopora might be another possibility in that case. Link to comment Share on other sites More sharing options...
Triceratonin Posted December 30, 2019 Author Share Posted December 30, 2019 (edited) Yes, definitely could be considering they’re known to have been in the Northwestern Ohio region. Thanks for the help! Edit: and in Michigan in the Devonian period. Awesome! Edited December 30, 2019 by Triceratonin Link to comment Share on other sites More sharing options...
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