Separating Continental Mineral Dust from Cosmic Dust using Platinum Group Element Concentrations and Osmium Isotopes in Ancient Polar Ice

Ji-Hye Seo1, Brian . Jackson2, Erich C Osterberg3 and Mukul Sharma2, (1)Dartmouth College, Hanover, United States, (2)Dartmouth College, Hanover, NH, United States, (3)Dartmouth College, Department of Earth Sciences, Hanover, NH, United States
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