Tephrostratigraphy of the Deschutes Fm., Central Oregon: Deciphering an Exceptionally Explosive Period of Cascade Arc History

Bradley William Pitcher1, Adam JR Kent2, Anita Grunder1, Robert A Duncan3 and Daniel W Eungard1, (1)Oregon State University, CEOAS, Corvallis, OR, United States, (2)Oregon State University, College of Earth, Ocean, & Atmospheric Sciences, Corvallis, OR, United States, (3)Oregon State University, College of Earth, Ocean and Atmospheric Sciences, Corvallis, OR, United States