AGE OF THE JACOBSVILLE SANDSTONE AND IMPLICATIONS FOR THE EVOLUTION OF THE MIDCONTINENT RIFT
Carol A Stein, University of Illinois Chicago, Department of Earth & Environmental Sciences, Chicago, United States, Jonas Kley, Georg-August-Universitaet Goettingen, Goettingen, Germany, Seth Stein, Northwestern University, Evanston, IL, United States, John P Craddock, Macalester College, Geology, St. Paul, MN, United States and David H Malone, Illinois State University, Geography-Geology, Normal, IL, United States
