Geochemical Evolution of Steens Basalt: Quantification of Mantle vs. Crustal Contributions to an Evolving Flood Basalt Magmatic System

Sylvana Bendana1, Wendy A Bohrson1, Anita Grunder2 and Nicole E Moore3, (1)Central Washington University, Ellensburg, WA, United States, (2)Oregon State University, CEOAS, Corvallis, OR, United States, (3)Pomona College, Claremont, CA, United States