gtheo Posted June 22, 2014 Share Posted June 22, 2014 Found on beach in San Francisco in an area where I look for fossils. The shapes almost look like invertebrates, maybe sea cucumbers, jellyfish or tunicates. Are they fossils or just interesting looking patterns that formed on the rock? Link to comment Share on other sites More sharing options...
gtheo Posted June 22, 2014 Author Share Posted June 22, 2014 More pictures Link to comment Share on other sites More sharing options...
gtheo Posted June 22, 2014 Author Share Posted June 22, 2014 More pictures Link to comment Share on other sites More sharing options...
gtheo Posted June 22, 2014 Author Share Posted June 22, 2014 More pictures Link to comment Share on other sites More sharing options...
gtheo Posted June 22, 2014 Author Share Posted June 22, 2014 More pictures Link to comment Share on other sites More sharing options...
gtheo Posted June 22, 2014 Author Share Posted June 22, 2014 More Link to comment Share on other sites More sharing options...
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Herb Posted June 22, 2014 Share Posted June 22, 2014 I don't know but I don't think they are fossils. "Absence of evidence is not evidence of absence"_ Carl Sagen No trees were killed in this posting......however, many innocent electrons were diverted from where they originally intended to go. " I think, therefore I collect fossils." _ Me "When you have eliminated the impossible, whatever remains, however improbable, must be the truth."__S. Holmes "can't we all just get along?" Jack Nicholson from Mars Attacks Link to comment Share on other sites More sharing options...
Auspex Posted June 23, 2014 Share Posted June 23, 2014 What does the other side of the rock look like? I wonder whether they might not be in-filled burrows...the part that looks like a bunch of pellets reminds me of the pellets associated with some shrimp burrows. "There has been an alarming increase in the number of things I know nothing about." - Ashleigh Ellwood Brilliant “Try to learn something about everything and everything about something.” - Thomas Henry Huxley >Paleontology is an evolving science. >May your wonders never cease! Link to comment Share on other sites More sharing options...
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