Strangely Cooked Bones From 300 Millions Years Ago Can Finally Be Explained : ScienceAlert
The preservation of ancient bones is a marvelous phenomenon. So exceptionally can these remains be preserved that their internal structure remains intact, especially in a type of sedimentary fossil bed called a Lagerstätte.But one particular Lagerstätte has left scientists puzzled for decades.The Jarrow Assemblage in Ireland features a coal seam full of bones with internal structures so changed that it's difficult – and in some cases impossible – to make out details of the fish and amphibian-like tetrapods that left…