John Craddock – Geology of the End of the Trail: Tonalites, Diamictites, Seismites and Tillites”
Chik-Wauk Museum & Nature Center 28 Moose Pond Drive, Grand MaraisJohn will share the geologic history of the area located around the end of the trail, from 2.6 billion year old Archean granites to the Pleistocene glacial epoch (Magnetic […]