<Articles> <Geological asciences> First finding of thallium-bearing ammonioleucite : A signal for the ultimate stage of the hydrothermal process and for a far-reaching effect from seawater alteration of MORB Nishida Norimasa Kimata Mitsuyoshi Kyono Atsushi Togawa Yusuke Shimizu Masahiro Hori Hidemichi 筑波大学 Annual report of the Institute of Geoscience, the University of Tsukuba 02853175 23 0 35 41 1997 1997 110000014278 AA00537891 ENG NII-ELS 0 <Articles> <Geological asciences> First finding of thallium-bearing ammonioleucite : A signal for the ultimate stage of the hydrothermal process and for a far-reaching effect from seawater alteration of MORB Nishida Norimasa Kimata Mitsuyoshi Kyono Atsushi Togawa Yusuke Shimizu Masahiro Hori Hidemichi University of Tsukuba Annual report of the Institute of Geoscience, the University of Tsukuba Nishida Norimasa Chemical Analysis Center,The University of Tsukuba Kimata Mitsuyoshi Institute of Geoscience,University of Tsukuba Kyono Atsushi Togawa Yusuke Shimizu Masahiro Hori Hidemichi