Institution: | Department of Earth and Environmental Sciences, University of Rochester, Rochester, NY 14627;, USA. E-mail: Department of Geology, Royal Holloway University of London, Egham, TW20 0EX;, UK School of Earth and Environmental Sciences, University of Leeds, Leeds LS2 9JT;, UK Geophysical Observatory, Addis Ababa University, PO Box 1176 Addis Ababa, Ethiopia;Department of Earth and Atmospheric Sciences, Purdue University, W Lafayette, IN, USA;Department of Earth Sciences, University of Bristol, BS8 1RJ;, UK Lamont-Doherty Earth Observatory, Palisades, NY, USA |