NovakinCO Posted March 26, 2016 Share Posted March 26, 2016 My current guess is based on its size and heft, and is a part of a leg bone for a prehistoric bison like animal. Found in an exposed hillside in the grasslands of eastern Colorado. Thanks! Link to comment Share on other sites More sharing options...
JohnJ Posted March 27, 2016 Share Posted March 27, 2016 It might not be bone. Can you get a clear image of the broken surface? The human mind has the ability to believe anything is true. - JJ Link to comment Share on other sites More sharing options...
ynot Posted March 27, 2016 Share Posted March 27, 2016 Looks like a cast of a plant stem. Tony Link to comment Share on other sites More sharing options...
Rockwood Posted March 27, 2016 Share Posted March 27, 2016 That was my thought as well. It's almost as if it straddles the line between a cast and a permineralization. Link to comment Share on other sites More sharing options...
abyssunder Posted March 27, 2016 Share Posted March 27, 2016 Maybe it's a Palmoxylon fragment. " 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...
Auspex Posted March 27, 2016 Share Posted March 27, 2016 My first impression is selenite-bound sandstone, with differential weathering. "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...
NovakinCO Posted March 27, 2016 Author Share Posted March 27, 2016 (edited) If not bone, what about a petrified see sponge? Hopefully these pics help more. Edited March 27, 2016 by NovakinCO Link to comment Share on other sites More sharing options...
ynot Posted March 27, 2016 Share Posted March 27, 2016 The last picture looks like petrified palm wood. Tony Link to comment Share on other sites More sharing options...
Auspex Posted March 27, 2016 Share Posted March 27, 2016 The last picture looks like petrified palm wood. Tony Good call. The good end view makes a difference. "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...
NovakinCO Posted March 27, 2016 Author Share Posted March 27, 2016 A couple more . Thanks everyone! Link to comment Share on other sites More sharing options...
NovakinCO Posted March 27, 2016 Author Share Posted March 27, 2016 Final clue. Link to comment Share on other sites More sharing options...
abyssunder Posted March 27, 2016 Share Posted March 27, 2016 (edited) Palmoxylon Palmoxylon of the Catahoula Formation2.pdf Edited March 27, 2016 by abyssunder 1 " 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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