Nikol Posted March 10, 2022 Share Posted March 10, 2022 My daughter likes to investigate the rocks at our local post office and found this one that we thought might be a fossil. These are a mix of 1-3” landscaping rocks and I don’t know the source. Can anyone help us ID it? Thank you for your expertise! 1 Link to comment Share on other sites More sharing options...
ClearLake Posted March 10, 2022 Share Posted March 10, 2022 I do not believe it is a fossil. Looks geologic in origin. Looks like some kind of coated or weathered grain. Link to comment Share on other sites More sharing options...
Mark Kmiecik Posted March 10, 2022 Share Posted March 10, 2022 I'm not absolutely certain, but I'm leaning towards geologic origin. Mark. Fossil hunting is easy -- they don't run away when you shoot at them! Link to comment Share on other sites More sharing options...
westcoast Posted March 11, 2022 Share Posted March 11, 2022 I'm seeing enough there to say maybe burrow, so possibly a trace fossil.. Link to comment Share on other sites More sharing options...
supertramp Posted March 11, 2022 Share Posted March 11, 2022 any chance that's a fragment of demosponge (Ellipsactinia or Sphaeractinia?) https://www.google.com/search?q=Ellipsactinia&hl=it&source=lnms&tbm=isch&sa=X&ved=2ahUKEwiO6smQ2r72AhUUQ_EDHbwbCDQQ_AUoAnoECAEQBA&biw=1366&bih=657&dpr=1 ciao Link to comment Share on other sites More sharing options...
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