K/Ar geochronology as a tool for tracing dust provenance in the Southern Hemisphere

Judy Pin Pu, Massachusetts Institute of Technology, Earth, Atmospheric, and Planetary Sciences, Cambridge, United States, Bess G Koffman, Lamont -Doherty Earth Observatory, Palisades, United States, Cristina Recasens, Columbia University, Palisades, NY, United States, Sidney R Hemming, Columbia University, Lamont-Doherty Earth Observatory, Palisades, NY, United States, Michael R Kaplan, Lamont-Doherty Earth Observatory, Palisades, United States, Joel H Gombiner, University of Washington, Department of Earth and Space Sciences, Seattle, WA, United States, Steven Boswell, Columbia University of New York, Palisades, NY, United States and Trevor Williams, Lamont Doherty Earth Obs, Palisades, United States