Trace fossils of Redhill Ridge’s Dakota sandstones
Chris Retzlaff (USA) The Redhill Ridge area in Park County, Colorado is a hogback composed of Dakota Sandstone. This fine-grained, Cretaceous sediment – near the town of Fairplay – contains trace fossils (Figs. 1 and 2) that help palaeontologists understand what the environment was like there, more than 65 million … Read More
