• Editorial board of "GEOCHEMICAL JOURNAL"  Executive Editor Y. SANO Ocean Research Institute, The University of Tokyo, Japan mail me  Vice Executive Editor D. PINTI Département des Sciences de la Terre et de l'Atmosphère, Université du Québec à Montréal et GEOTOP-UQAM-McGill, Canada mail me  Associate Editors H. AMAKAWA Ocean Research Institute, University of Tokyo, Japan K. ANAZAWA Department of Natural Environmental Studies, The University of Tokyo, Japan P. ARIYA Dept. Chemistry & Dept. Atmospheric and Oceanic Sciences, McGill University, Canada M. BIZZARRO Geological Institute, University of Copenhagen, Denmark M. CHO School of Earth and Environmental Sciences, Seoul National University, Korea P. CLAYES Department of Geology, Vrije Universiteit Brussel, Belgium T. DALAI Dept. of Geology and Geophysics, Indian Institute of Technology, India C. ENGRAND CSNSM-CNRS, Université de Paris SUD XI, France D. FORTIN Department of Earth Sciences, University of Ottawa, Canada A. HOFMANN School of Geological Sciences, University of KwaZulu-Natal, South Africa M. HONDA Research School of Earth Sciences, The Australian National University, Australia H. IWAMORI Department of Earth and Planetary Sciences, The University of Tokyo, Japan H. KAGI Geochemical Laboratory, The University of Tokyo, Japan K.-R. KIM School of Earth and Environmental Sciendces, Seoul National University, Korea K.-W. KIM Department of Environmental Science and Engineering, Gwangju Institute of Science and Technology, Korea T. KOGISO Graduate School of Human and Environmental Studies, Kyoto University, Japan M. LEHMANN Institute for Environmental Geoscience, Universität Basel, Switzerland M. LUSTRINO Dipartimento di Scienze della Terra, Università degli Studi di Roma La Sapienza, Italy T. MATSUMOTO Institute for Study of the Earth's Interior, Okayama University, Japan M. MILLER British Antarctic Survey, UK T. NAKATSUKA Graduate School of Environmental Studies, Nagoya University, Japan H. NARAOKA Department of Earth and Planetary Sciences, Kyushu University, Japan C.-W. OH Department of Earth and Environmental Sciences, Chonbuk National University, Korea B. ORBERGER Département des Sciences de la Terre, Université Paris SUD XI, France C. QUANTIN UMR 8148 IDES, Université Paris-Sud-CNRS, France K. SAWADA Department of Natural History Sciences, Hokkaido University, Japan N. STURCHIO Department of Earth and Environmental Sciences, University of Illinois at Chicago (MC-186), USA K. SUZUKI IFREE, JAMSTEC, Japan S. TACHIBANA Department of Earth and Planetary Sciences, The University of Tokyo, Japan Y. TAKAHASHI Department of Earth and Planetary Sciences, Hiroshima University, Japan H. TANIMOTO Atmospheric Environment Division, National Institute for Environmental Studies, Japan Y. TARAN Instituto de Geofisica, Universidad Nacional Autonoma de Mexico, Mexico K. TERADA Department of Earth and Planetary Sciences, Hiroshima University, Japan T. WATANABE Department of Earth and Planetary Sciences, Hokkaido University, Japan K. YAMAMOTO Department of Earth and Environmental Sciences, Nagoya University, Japan T. YAMANAKA Department of Earth Sciences, Okayama University, Japan T. YANG Department of Geosciences, National Taiwan University, Taiwan Y.-F. ZHENG School of Earth and Space Sciecne, University of Science and Technology of China, China Edited by The Geochemical Society of Japan Published by The Geochemical Society of Japan and TERRAPUB (Terra Scientific Publishing Company) Copyright © 2009 by The Geochemical Society of Japan     By submitting a manuscript, the authors agree that the copyright for their article is transferred to the Geochemical Society of Japan if and when the article is accepted for publication. However, assignment of copyright is not required from authors who work for organizations which do not permit such assignment. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means without permission in writing from the copyright holder.     This publication is supported in part by a Grant-in-Aid for the Publication of Scientific Research Results of the Japan Society for the Promotion of Science. Membership dues: ¥10,000 per year (including six issues of GEOCHEMICAL JOURNAL and four issues of Chikyukagaku (Geochemistry)) Subscription price: ¥24,000 per volume of six issues.     Subscriptions and orders for back numbers should be addressed to TERRAPUB (Terra Scientific Publishing Company), 2003 Sansei Jiyugaoka Haimu, 5-27-19 Okusawa, Setagaya-ku, Tokyo 158-0083, Japan (Fax.: +81-3-3718-4406), and application for membership and other inquiries should be referred to The Geochemical Society of Japan, International Academic Printing Co., Ltd., 4-4-19 Takadanobaba, Shinjuku-ku, Tokyo 169-0075, Japan (Fax.: +81-3-3368-2822).