[1] Max Planck Inst Chem, D-55020 Mainz, Germany
[2] US Geol Survey, Denver Fed Ctr, Denver, CO 80225 USA
[3] IFM GEOMAR, Leibniz Inst Meereswissensch, D-24148 Kiel, Germany
[4] Univ Saskatchewan, Dept Geol Sci, Saskatchewan Isotope Lab, Saskatoon, SK S7N 5E2, Canada
[5] Leibniz Univ Hannover, Inst Mineral, D-30167 Hannover, Germany
[6] Univ Toulouse III, LMTG, F-31400 Toulouse, France
[7] Univ Munich, Dept Geo & Umweltwissensch, D-80333 Munich, Germany
[8] Univ Maryland, Dept Geol, College Pk, MD 20742 USA
[9] Johannes Gutenberg Univ Mainz, Inst Geowissensch, D-55128 Mainz, Germany
[10] ETH, Inst Isotopengeol & Mineral Rohstoffe, CH-8092 Zurich, Switzerland
[11] CNR, Ist Geosci & Georisorse, I-56124 Pisa, Italy
[12] Univ British Columbia, Pacific Ctr Isotop & Geochem Res, Dept Earth & Ocean Sci, Vancouver, BC V6T 1Z4, Canada
[13] Univ Melbourne, Melbourne, Vic 3010, Australia
[14] Univ Munster, Inst Mineral, D-48149 Munster, Germany