Tamateur Posted October 5, 2021 Share Posted October 5, 2021 Hi,Could anyone help with this?It was found in Scotland close to a large fossilised Lepidodendron tree.Thank you Link to comment Share on other sites More sharing options...
Fossildude19 Posted October 5, 2021 Share Posted October 5, 2021 Welcome to the Forum. Looks more like an ironstone concretion, to me. @Archie 1 2 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...
val horn Posted October 6, 2021 Share Posted October 6, 2021 If you really want to test it then break off a piece of the bone and look at the internal composition if it is bone embedded in ironstone the internal surface should look like bone ie compact bone on the circumference and trabecular bone in the center if it is ironstone through out then it is iron stone. 1 Link to comment Share on other sites More sharing options...
Mark Kmiecik Posted October 8, 2021 Share Posted October 8, 2021 Ironstone concretion showing differentiated sedimentation. Have seen tons of them in the Mazon Creek concretions I've collected. It may have formed around something organic like MC concretions, or maybe not like many MC concretions. Sometimes all it takes is some organic matter 1/2 the size of a pinhead to get the ball rolling, and the concretion will keep growing in size as long as conditions favor growth. 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...
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