Geochemical monogenetic difference volcanoes of basalts between in the central part volcanic line polygenetic and of the Cameroon

Department of Natural Environmental Sciences, Faculty of Integrated Arts and Sciences, Hiroshima University, Hiroshima, 7301, Earthquake Research Institute, University of Tokyo, Bunkyo-ku, Tokyo, 1132, Institute for Studies of the Earth's Interior, Okayama University, Misasa, Tottori, 682-023, Kusatsu-Shirane Volcano Observatory, Tokyo Institute of Technology, Meguro, Tokyo, 1524 Laboratory for Earthquake Chemistry, Faculty of Science, University of Tokyo, Hongo, Tokyo, National Institute for Environmental Studies, Tsukuba, Ibaraki, 305, Japan6, and Faculty of Science, University of Yaounde, Yaounde, Cameroon' 1135

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