Silicon isotope fractionations in pure Si and Fe-Si systems and their geological implications

Xin-Yuan Zheng1,2, Brian L Beard1,3, Thiruchelvi R Reddy3,4, Eric E Roden4,5 and Clark Johnson1,3, (1)University of Wisconsin-Madison, Department of Geoscience, Madison, WI, United States, (2)NASA Astrobiology Institute, Madison, WI, United States, (3)NASA Astrobiology Institute, Madison, United States, (4)University of Wisconsin Madison, Department of Geoscience, Madison, WI, United States, (5)NASA Astrobiology Institute, USA, United States