DETRITAL ZIRCON U-PB GEOCHRONOLOGY OF CRETACEOUS STRATA IN THE SOUTHWESTERN MONTANA FORELAND BASIN PROVIDES NEW TEMPORAL CONTROL FOR THE ONSET OF LARAMIDE DEFORMATION
FINZEL, Emily1, PEARSON, David2, ROSENBLUME, Justin3, GARDNER, Cole3 and GARBER, Kacey3, (1)Earth and Environmental Sciences, University of Iowa, Iowa City, IA 52242, (2)Department of Geosciences, Idaho State University, 921 S 8th Ave Stop 8072, Pocatello, IA 83209-0002, (3)Earth and Environmental Sciences, University of Iowa, 115 Trowbridge Hall, Iowa City, IA 52242