The first billion years of the geodynamo and its implications for the early core

John Anthony Tarduno, University of Rochester, Department of Physics and Astronomy, Rochester, NY, United States, Rory Danielle Cottrell, University of Rochester, Earth and Environmental Sciences, Rochester, NY, United States, Richard K. Bono, University of Liverpool, Liverpool, United Kingdom and Eric R Thern, John De Laeter Centre for Isotope Research, Curtin University, Department of Applied Geology, Perth, Australia