Comparison of U-Th and U-Pb zircon ages from erupted plutonic clasts and 40Ar/39Ar eruption ages from Newberry Volcano, Oregon

Katie Michelle Sullivan1, Mark E Stelten2, Mary Leech1 and Julie M Donnelly-Nolan3, (1)San Francisco State University, San Francisco, CA, United States, (2)USGS Volcano Science Center Menlo Park, Menlo Park, United States, (3)USGS Western Regional Offices Menlo Park, Menlo Park, CA, United States