Constraints on the Nature of Primary Precipitates in Archean Iron Formations from Spectroscopic and Theoretical Determinations of the Equilibrium Iron Isotopic Behavior of Greenalite and Ferrihydrite
Andrew Heard1, Nicolas Dauphas2, Isaac L Hinz3, Jena E Johnson4, Marc Blanchard5, Esen Ercan Alp6, Michael Y. Hu6, Jiyong Zhao6, Barbara Lavina7, Mark E Fornace8, Justin Hu9 and Benoît Baptiste10, (1)Woods Hole Oceanographic Institution, Woods Hole, MA, United States, (2)University of Chicago, Origins Laboratory, Department of the Geophysical Sciences and Enrico Fermi Institute, Chicago, United States, (3)University of Michigan Ann Arbor, Ann Arbor, United States, (4)University of Michigan Ann Arbor, Earth and Environmental Sciences, Ann Arbor, MI, United States, (5)Géosciences Environnement Toulouse (GET), Université de Toulouse, Toulouse, France, (6)Argonne National Laboratory, Argonne, IL, United States, (7)X-ray Sciences Division, Advanced Photon Source, Argonne National Laboratory, Argonne, IL, United States, (8)California Institute of Technology, Pasadena, United States, (9)University of Chicago, Department of the Geophysical Sciences, Chicago, IL, United States, (10)Institut de Minéralogie, de Physique des Matériaux, et de Cosmochimie (IMPMC), Sorbonne Universités - UPMC Univ. Paris 06, UMR CNRS 7590, Muséum National d’Histoire Naturelle, UR 206, 4 Place Jussieu, F-75005 Paris, France
