Simon C Brassell¹, Andrea Shilling², Devon Elizabeth Colcord³, Katherine Freeman⁴, Jackson K Njau⁵, Ian G Stanistreet⁶, Harald Stollhofen⁷, Kathy D Schick⁵ and Nicholas P Toth⁵, (1)Indiana University, Bloomington, IN, United States, (2)Indiana University, Earth & Atmospheric Sciences, Bloomington, IN, United States, (3)Indiana University Bloomington, Bloomington, IN, United States, (4)Pennsylvania State University Main Campus, Geosciences, University Park, PA, United States, (5)Indiana University Bloomington, The Stone Age Institute, Bloomington, IN, United States, (6)University of Liverpool, Department of Earth and Ocean Sciences, Liverpool, United Kingdom, (7)University of Erlangen-Nuremberg, Erlangen, Germany