Synopsis: The Flatirons of East Bay, formed before the breakup of Pangea. Like an open book of Earth History, the beds of the West Bay formation near Partridge Island stand waiting to be read, layer upon layer, telling a story of a playa lake some 325 million years ago. Exquisite ripple marks, mudcracks, and crossing the playa flats, early tetrapods – amphibian and reptile ancestors.
Geological Formation: West Bay
Age: late Mississippian (ca. 325 million years)