JTechno Posted August 23, 2019 Share Posted August 23, 2019 I found this near a river in La Matea (Jaen, Spain) the zone is predominantly mesozoic and the rock is limestone. I'm not sure if it's a fossil or some kind of formation. I have two similar specimen, is like a cylinder that goes from one side to the other of the rock, in one of the images I've partially removed some of the rock. Thank you. Link to comment Share on other sites More sharing options...
Fossildude19 Posted August 23, 2019 Share Posted August 23, 2019 These look like infilled burrows, or trace fossils, to me. 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...
El_Hueso Posted August 23, 2019 Share Posted August 23, 2019 Now these are very unique looking Great find Link to comment Share on other sites More sharing options...
dinosaur man Posted August 23, 2019 Share Posted August 23, 2019 I agree with Fossildude19 they look like burrows 1 Link to comment Share on other sites More sharing options...
JTechno Posted August 23, 2019 Author Share Posted August 23, 2019 Thank you friends. Link to comment Share on other sites More sharing options...
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