Stable Fe isotope fractionation during anaerobic microbial dissimilatory iron reduction at low pH

Piyali Chanda1,2, Maximiliano J Amenabar3,4, Eric S Boyd4,5, Brian L Beard6,7 and Clark Johnson6,7, (1)Virginia Polytechnic Institute and State University, Virginia Center for Coal & Energy Research, Blacksburg, United States, (2)NASA Astrobiology Institute, Washington, DC, United States, (3)Montana State University, Department of Microbiology and Immunology, Bozeman, United States, (4)NASA Astrobiology Institute, USA, United States, (5)Montana State University, Department of Microbiology and Cell Biology, Bozeman, MT, United States, (6)NASA Astrobiology Institute, Madison, United States, (7)University of Wisconsin-Madison, Department of Geoscience, Madison, WI, United States