Importance of Tetrahedral Iron during Microbial Reduction of Clay Mineral NAu-2

Bingjie Shi1,2, Lingling Wu1,2, Kai Liu1,2, Christina Marie Smeaton1,2, Weiqiang Li3,4, Brian L Beard4,5, Clark Johnson4,5, Eric E Roden4,6 and Philippe Van Cappellen1,2, (1)University of Waterloo, Department of Earth and Environmental Sciences, Waterloo, ON, Canada, (2)University of Waterloo, Water Institute, Waterloo, ON, Canada, (3)Nanjing University, School of Earth Sciences and Engineering, Nanjing, China, (4)University of Wisconsin Madison, Department of Geoscience, Madison, WI, United States, (5)NASA Astrobiology Institute, Madison, United States, (6)NASA Astrobiology Institute, USA, United States