Fluorine concentrations in geothermal springs as an indicator of rheological weakening promoting active deformation in Western North America


William E Holt1, Alireza Bahadori2, Jeonghyeop Kim3, Troy Rasbury1, Weisen Shen4 and Julia Grossman5, (1)Stony Brook University, Department of Geosciences, Stony Brook, NY, United States, (2)Stony Brook University, Stony Brook, United States, (3)Korea Institute of Geoscience and Mineral Resources, Daejeon, South Korea, (4)Stony Brook University, Department of Geosciences, Stony Brook, United States, (5)University of Washington Seattle Campus, Earth and Space Sciences, Seattle, United States