[1] Univ Chile, FCFM, Dept Geol, Plaza Ercilla 803, Santiago, Chile
[2] Univ Chile, FCFM, Andean Geothermal Ctr Excellence CEGA, Plaza Ercilla 803, Santiago, Chile
[3] Univ Granada, Dept Mineral & Petrol, Fac Ciencias, Fuentenueva S-N, Granada 180002, Spain
[4] Univ New England, Sch Environm & Rural Sci, Div Earth Sci, Armidale, NSW 2351, Australia
[5] Macquarie Univ, ARC Ctr Excellence Core Crust Fluid Syst GEMOC, Sydney, NSW 2109, Australia
[6] Steinmann Inst Geol, Mineral & Palaotol, D-53115 Bonn, Germany
[7] Toulouse Univ, GET, CNRS, CNES,IRD,UPS,OMP, 14 Av Edouard Belin, F-31400 Toulouse, France
[8] Univ Coll Dublin, Sch Earth Sci, Sci Ctr West, Dublin 4, Ireland
[9] Univ Austral Chile, Fac Ciencias, Inst Ciencias Tierra, Valdivia 5090000, Region De Los R, Chile
[10] Univ Durham, Dept Earth Sci, Sci Labs, Durham DH1 3LE, England