Institution: | 1 Institute of Geology of Ore Deposits, Petrography, Mineralogy and Geochemistry RAS, Staromonetnyi per. 35, Moscow 109017, Russia 2 Laboratoire de Geochimie, Universite Paul Sabatier, 38 rue des Trente Six Ponts, 31400 Toulouse, France 3 Schlumberger Cambridge Research, High Cross, Madingley Rd, Cambridge CB3 0EL, UK 4 Department of Earth Sciences, University of Bristol, Bristol BS8 1RJ, UK |