Isotope Laboratory Department of Earth and Space Sciences University of Washington Seattle WA 98195-1310 USA;
State Key Laboratory of Geological Processes and Mineral Resources China University of Geosciences Beijing 100083 China;
Institut de Physique du Globe de Paris Universite de Paris Paris 75238 France;
Institut Universitaire de France Paris 75231 France;
State Key Laboratory of Geological Processes and Mineral Resources School of Earth Sciences China University of Geosciences Wuhan 430074 China;
Non-traditional stable isotopes; Differentiation of the Earth; Crust-mantle interactions; Atmospheric evolution; Snowball Earth; Mass extinction;