 | | Journal (article/letter/editorial) | | J. Japan. Assoc. Min. Petr. Econ. Geol. 74, 357-375, 1979. MINERALOGICAL STUDY ON THE WOLFRAMITE SERIES...SERIES FROM THE CHUGOKU DISTRICT , SOUTHWEST JAPAN (I) RELATIONSHIPS BETWEEN AND LATTICE CHEMICAL ...Science , Hiroshima University, Hiroshima, 730, Japan In the Chugoku the Late around mineralogical...possibility series Zone, end not are member Mn- district deposits by those of in from deposits. ...b0, occurrence Fe/Mn natural unit influence mine a0, compositional rare the substitution of |  | | Journal (article/letter/editorial) | | the composition of the wolframite series from SW Japan and possible factors controlling compositional variations...of Science, Yamagata University, Yamagata 990, Japan 2 Institute of Geology and Mineralogy, Faculty of...of Science, Hiroshima University, Hiroshima 730, Japan Abstract. The regional and local variations in the...magnetite-series granitoids in the Inner Zone of SW Japan were investigated using X-ray diffraction and microprobe... while, as exemplified by the Kaneuchi mine, Kyoto Prefecture, the wallrock chemistry and pH of ore fluids |  | | Report (issue) | | mineral col lector, was born in Kanazawa, Ishikawa Prefecture, on August 30, 1874. Soon after his graduation...at the Arakawa Mine, Akita Prefecture. In 1909, he was promoted to Director of the Mine and held. the...then that of the Director of the Yoshioka Mine, Okayama Prefecture, for about seven years altogether. He...technology in the first half of this century in Japan. He retired from the Advisory Board of the Mitsu...such volumes as " Beiträge zur Mineralogie von. Japan ", Neue Folge I and II (T. Ito, 1937), " Japanese |  | | Report (issue) | | America Photo Credits Cover: Topaz, 3.5 cm tall Capao Mine, Ouro Preto, Minas Gerais, Brazil Max and Jon Sigerman...Occurrence MIKE MENZIES 22. Topaz from Utah's Maynard Mine RYAN BOWLING 26. Volodarsk-Volynski PETER LYCKBERG...DUDLEY BLAUWET 58. Zimbabwe Blue Topaz: St. Anne's Mine JAN KANIS 60. Brazil: The Land of Topaz DIETMAR...Top left: Topaz and bixbyite, 1.8 cm tall; Maynard Mine, Thomas Range, Utah; Utah Mineral and Fossil specimen...Kleine Spitzkoppe, Namibia; Mokrusha Mursinka District, Ural Mountains, Russia; Paprok, Laghman Province |  | | Journal (article/letter/editorial) | | very large geographical and morpho-structural district located in NW Argentina. This region is characterized...Space Science, Osaka University, Osaka, 560-0043, Japan. Introduction: Heavy noble gases in primitive meteorites...analyzed using the VG5400 at Osaka University, Japan. The temperatures for step-wise heating were 600...upper atmosphere during the next 3 months by the US/Japan satellite sensors [4]. The paper describes numerical...History Sciences, Hokkaido University, Sapporo, Japan. 3Institut de Planétologie et d’Astrophysique de |
|
