The significance of the Medicine Hat Block (southern Alberta, northern Montana) in the assembly of Laurentia: New interpretations from recent single grain zircon geochronological and geochemical data

Blake Oswell LaDouceur, University of Mississippi Main Campus, University, MS, United States, Jennifer Gifford, University of Mississippi, Geology and Geological Engineering, Oxford, MS, United States, Shawn Malone, Professor, Muncie, IN, United States and Bill Davis, Section Head, Ottawa, ON, Canada