Using trace metal ratios in volcanic glass for Aleutian tephrochronology

Dayana Manrique1, Matthieu Chicoye1, Madeline V Rawson1, Kristina J Walowski2, Jason A Addison3, Alan Mix4 and Mea S Cook1, (1)Williams College, Geosciences, Williamstown, MA, United States, (2)Middlebury College, Geology, Middlebury, VT, United States, (3)USGS, Geology, Minerals, Energy, & Geophysics Science Center, Menlo Park, CA, United States, (4)Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States