EOCENE MAGMATISM AND EXTENSION IN SOUTHWEST MONTANA: PRELIMINARY AGE AND GEOCHEMICAL CONSTRAINTS ON THE DILLON VOLCANIC GROUP
MOSOLF, Jesse1, MCDONALD, Catherine1 and KYLANDER-CLARK, Andrew2, (1)Montana Bureau of Mines and Geology, Montana Tech, Butte, MT 59701, (2)Department of Earth Science, University of California, Santa Barbara, CA 93106