HF Leaching of Volcanic Groundmass in an Effort to Reduce 39Ar Recoil in 40Ar/39Ar Dating
Anthony A P Koppers1, Peter Davidson2, Emily Bogdan Cahoon3 and Daniel P Miggins1, (1)Oregon State University, Corvallis, OR, United States, (2)University of Puget Sound, Geology, Tacoma, WA, United States, (3)Portland State University, Portland, OR, United States
