GEOCHEMISTRY OF THE BIG THOMPSON CANYON PALEOPROTEROZOIC GRANITOIDS, NORTHERN COLORADO FRONT RANGE: IMPLICATIONS FOR TECTONIC ACTIVITY AND CRUSTAL GROWTH AT ~1.7 GA
CHUMLEY, Adam S.1, BAIRD, Graham B.1, KELLY, Nigel M.2, MAHAN, Kevin H.3, ZAGGLE, Richard H.4 and ALLAZ, Julien M.5, (1)Earth & Atmospheric Sciences, University of Northern Colorado, Campus Box 100, Greeley, CO 80639, (2)CRiO, Department of Geological Sciences, University of Colorado Boulder, UCB 399, 2200 Colorado Avenue, Boulder, CO 80309, (3)Department of Geological Sciences, University of Colorado Boulder, 2200 Colorado Avenue, UCB 399, Boulder, CO 80309-0399, (4)Mine Geology Department, Cripple Creek, Cripple Creek, CO, Cripple Creek, CO 80860, (5)University of Colorado, Boulder, Department of Geological Sciences, 2200 Colorado Avenue, Boulder, CO 80309-0399, chum6691@bears.unco.edu, chum6691@bears.unco.edu