[1] Univ Toulouse, Geosci Environm Toulouse, CNES, CNRS,IRD,UPS, 14 Ave Edouard Belin, F-31400 Toulouse, France
[2] Univ Grenoble, ISTerre, 1381 Rue Piscine,BP 53, F-38041 Grenoble, France
[3] Goethe Univ Frankfurt, Dept Geosci Petrol & Geochem, Altenhoeferallee 1, D-60438 Frankfurt, Germany
[4] Univ Blaise Pascal, UMR 6524, Lab Magmas & Volcans, Clermont Univ,CNRS,IRD, BP 10448, F-63000 Clermont Ferrand, France
[5] Univ Barcelona, Dept Cristallog Mineral & Diposits Minerals, C Marti & Franques S-N, E-08028 Barcelona, Catalonia, Spain
[6] Univ Autonoma Barcelona, Dept Geol, E-08193 Barcelona, Catalonia, Spain
[7] Escola Politecn Super Engn Manresa UPC, Dept Engn Minera & Recursos Nat, Avinguda Bases Manresa 61-73, Manresa 08240, Spain