Surprising Implications of a Cave Discovery

Special Thanks to Robert Montgomery for cave access Special Thanks to Bo Henk Bioturbation, Ordovician, Tyndall Stone, Trace Fossils, Ichnology, Living earth, Hiking, Geology, Caving, Caves, Spelunking, mud shrimp, White Cliffs of Dover England, Chalk, Normandy Coast, France, Dolomite