 |  |  |  |  |  |  | GEOCHIMICA ET COSMOCHIMICA ACTA |  |  |  |  |  |  | Journal of The Geochemical Society and The Meteoritical Society
|  | |  | Editorial Board |  | Executive Editor: |  | | F.A. Podosek | Geochimica et Cosmochimica Acta, Department of Earth and Planetary Sciences, Washington University, CB 1169, One Brookings Drive, St. Louis, MO 63130-4899, USA, Tel: +1 314 935 7453, Fax: +1 314 935 8280, Email: fap@levee.wustl.edu
|  | Editorial Manager: |  | | L. Trower | Geochimica et Cosmochimica Acta, Department of Earth and Planetary Sciences, Washington University, CB 1169, One Brookings Drive, St. Louis, MO 63130-4899, USA, Tel: +1 314 935 7453, Fax: +1 314 935 8280, Email: office@gca.wustl.edu
|  | Editorial Assistant: |  | | K. Klein | Geochimica et Cosmochimica Acta, Department of Earth and Planetary Sciences, Washington University, CB 1169, One Brookings Drive, St. Louis, MO 63130-4899, USA.
|  | Editorial Assistant: |  | | K. Sevier | Geochimica et Cosmochimica Acta, Department of Earth and Planetary Sciences, Washington University, CB 1169, One Brookings Drive, St. Louis, MO 63130-4899, USA.
|  | Webmaster: |  | | R.H. Nichols, Jr. | Geochimica et Cosmochimica Acta, Department of Earth and Planetary Sciences, Washington University, CB 1169, One Brookings Drive, St. Louis, MO 63130-4899, USA, Tel: +1 314 935 7453, Fax: +1 314 935 8280, Email: office@gca.wustl.edu
|  | Associate Editors: |  | | R.C. Aller | State University of New York at Stony Brook, Stony Brook, NY, USA
|  | | J.C. Alt | University of Michigan, Ann Arbor, MI, USA
|  | | Y. Amelin | Geological Survey of Canada, Ottawa, ON, Canada
|  | | C. Arnosti | University of North Carolina, Chapel Hill, NC,USA
|  | | M. Bar-Matthews | Geological Survey of Israel, Jerusalem, Israel
|  | | L.G. Benning | University of Leeds, Leeds, UK
|  | | T.S. Bianchi | Texas A& University, Department of Oceanography, USA
|  | | J.A. Brandes | Skidaway Institute of Oceanography, Savannah, GA, USA
|  | | A.D. Brandon | NASA, Houston, TX, USA
|  | | D.J. Burdige | Old Dominion University, Norfolk,VA, USA
|  | | R.C. Burruss | US Geological Survey, Reston, USA
|  | | R.H. Byrne | University of South Florida, St Petersburg, FL, USA
|  | | W.H. Casey | University of California at Davis, Davis, CA,USA
|  | | T. Chacko | University of Allberta, Edmonton, Alberta, Canada
|  | | A. Cohen | Woods Hole Oceanographic Institution, Woods Hole, MA, USA
|  | | D.R. Cole | Oak Ridge National Laboratory, Oak Ridge, TN, USA
|  | | L.J. Crossey | University of New Mexico, Albuquerque, NM, USA
|  | | J. Crusius | U.S. Geological Survey, Woodshole, MA, USA
|  | | C.J. Daughney | Institute of Geological and Nuclear Science, Lower Hutt, New Zealand
|  | | Z.H. Duan | Chinese Academy of Sciences, Institute of Geology and Geophysics, Beijing, China
|  | | J. Farquhar | University of Maryland, College Park, MD, USA
|  | | J.B. Fein | University of Notre Dame, Notre Dame, IN, USA
|  | | M.B. Goldhaber | US Geological Survey, Denver, CO, USA
|  | | J.R. Haas | Western Michigan University, Kalamazoo, MI, USA
|  | | T.M. Harrison | University of California, Los Angeles, USA
|  | | H.R. Harvey | University of Maryland, Solomons, MD, USA
|  | | G.R. Helz | University of Maryland, College Park, MD, USA
|  | | G.F. Herzog | Rutgers University, Piscataway, NJ, USA
|  | | J. Horita | Oak Ridge National Laboratory, Oak Ridge, TN, USA
|  | | J. Ishibashi | Kyushu University, Fukuoka, Japan
|  | | K. Johannesson | The University of Texas at Arlington, USA
|  | | C.M. Johnson | University of Wisconsin, Madison, WI. USA
|  | | N. Kita | University of Wisconsin, Madison, WI, USA
|  | | C. Koeberl | University of Vienna, Vienna, Austria
|  | | R.L. Korotev | Washington University, Department of Earth and Planetary Sciences, St. Louis, USA
|  | | S.M. Kraemer | ETH, Zurich, Switzerland
|  | | S. Krishnaswami | Physical Research Laboratory, Ahmedabad, India
|  | | A.N. Krot | University of Hawaii at Manoa, Honolulu, HI, USA
|  | | J. Kubicki | The Pennsylvania State University, University Park, PA, USA
|  | | G.A. Logan | Geoscience Australia, Canberra, ACT, Australia
|  | | T.W. Lyons | University of California, Riverside, CA, USA
|  | | M.L. Machesky | Illinois State Water Survey, Champaign, IL, USA
|  | | B. Marty | Centre de Recherches Petrographiques et Geochimiques, Vandoeuvre-Les-Nancy, France
|  | | J. Matsuda | Osaka University, Osaka, Japan
|  | | J. McManus | Oregon State University, Carvallis, OR, USA
|  | | M.A. Menzies | Royal Holloway University London, Egham , Surrey, UK
|  | | J.J. Middelburg | Netherlands Institute of Ecology, Ierseke, The Netherlands
|  | | D.W. Mittlefehldt | NASA, Houston, TX, USA
|  | | J.W. Morse | Texas A M University, TX , USA
|  | | A. Mucci | McGill University, Montreal, Que, Canada
|  | | B. Mysen | Carnegie Institution of Washington, Washington, DC, USA
|  | | H. Nagahara | University of Tokyo, Tokyo, Japan
|  | | M. Novak | Czech Geological Survey, Prague, Czech Republic
|  | | P.A. O'Day | University of California at Merced, Merced, CA, USA
|  | | E.H. Oelkers | Universite Paul Sabatier, Toulouse, France
|  | | S. Pizzarello | Arizona State University, Tempe, AZ, USA
|  | | M. Rehkamper | Imperial College London, London, U.K.
|  | | W.U. Reimold | Humboldt University, Berlin, Germany
|  | | E.M. Ripley | Indiana University, Bloomington, IN, USA
|  | | J.K. Russell | University of British Columbia, Vancouver, BC, Canada
|  | | S.S. Russell | The Natural History Museum, London, UK
|  | | J.R. Rustad | University of California at Davis, Davis, CA, USA
|  | | F.J. Ryerson | Lawrence Livermore National Library, Livermore, CA, USA
|  | | J. Schott | Universite Paul Sabatier, Toulouse, France
|  | | J. Seewald | Woods Hole Oceanographic Institution, Woodshole, MA, USA
|  | | T.J. Shaw | University of South Carolina, Columbia, SC, USA
|  | | J.S. Sinninghe Damsté | Royal Netherlands Institute for Sea Research (NIOZ), Department of Marine Biogeochemistry and Toxicology, 1790 AB, Den Burg, The Netherlands
|  | | D.L. Sparks | University of Delaware, Newark, DE, USA
|  | | G. Sposito | University of California at Berkeley, Berkeley, CA, USA
|  | | D.A. Sverjenski | The Johns Hopkins University, Baltimore, MD, USA
|  | | M. Toplis | DTP-OMP (CNRS), Toulouse, France
|  | | P. Ulmer | ETZ Zurich, Switzerland
|  | | D.J. Vaughan | University of Manchester, Manchester, UK
|  | | R.J. Walker | University of Maryland, College Park, MD, USA
|  | | L.A. Warren | McMaster University, Hamilton, ON, Canada
|  | | J. Werne | University of Minnesota Duluth, MN, USA
|  | | D.J. Wesolowski | Oak Ridge National Laboratory, Oak Ridge, TN, USA
|  | | R. Wieler | ETH Zurich, Zurich, Switzerland
|  | | R.A. Wogelius | University of Manchester, Manchester, UK
|  | | C. Zhu | Indiana University, IN, USA
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