 | | Journal (article/letter/editorial) | | J. P Japan. Assoc. Min. etr Econ, Geol. 81, 129‑137,1986 REE abundances of the effusive and intrusive...rocks from the Shimokawa mining area, Hokkaido , Japan SATOSHI KOSHIMIZU*, OSAO SAWAI** and TAKEO BAMBA*...Faculty of Science, Hokkaido University, Sapporo 060, Japan ** Department of Geology and Mineralogical Sciences...of Science, Yamaguchi University, Yamaguchi 753, Japan The Shimokawa mining area is an example of collision...of the Shimokawa mining area, central Hokkaido, Japan (Bamba, 1985). 1, volcanic breccia (Plio-Pleistocene); |  | | Journal (article/letter/editorial) | | Hidaka Metamorphic Belt, in southeastern Hokkaido, Japan, provides insights into how magmatic sulfide deposits...library of deep-crustal magmatic processes in arcs. Japan is affected by the tectonic activity of four plates:... the northernmost of the four major islands of Japan, which is situated between the North American, Eurasian...Belt resulted from collision between the paleo-Japan arc^trench system and the paleo-Kuril arc^trench...had not been obducted from the Kuril Arc onto the Japan Arc before 18 Ma. However, sediments surrounding |  | Luque, F. J., Huizenga, J-M., Crespo-Feo, E., Wada, H., Ortega, L., Barrenechea, J. F. (2014) Vein graphite deposits: geological settings, origin, and economic significance. Mineralium Deposita, 49 (2) 261-277 doi:10.1007/s00126-013-0489-9 | Journal (article/letter/editorial) | | University, 836 Oya, Suruga-Ku, Shizuoka 422-8529, Japan and eventually precipitates as graphite by cooling...Ronda (Spain), 7 Beni Bousera (Morocco), 8 Oshirabetsu (Japan; Tsuchiya et al. 1991), 9 Botogol massif...of graphite, Fe–Ni–Cu sulfides (pyrrhotite, pentlandite, chalcopyrite, and cubanite), and chromite (Fig... Morocco). Gph graphite, Po pyrrhotite, Pnt pentlandite, Cpy chalcopyrite, Chr chromite nodules formed... low solubility of carbon in pyrrhotite and pentlandite melts has been reported (Palyanov et al. 2006) |  | | Book (volume) | | ninelings of cassiterite from Naegi, Gifu Prefecture. Journ. Min. Soc. Japan, vol. 3, p. 228. Michel-L6vy, A....Okita, Daitd town, Higashiiwai Co., Iwate Pref., Japan (Hasegawa, 1955). Anal. S. Hasegawa (Includes H20+...Bancroft areas in Ontario, or in the Coimbatore district of Madras. Although originally believed to be...p. 264. Eckermann, H. von, 1948. The alkaline district of Alno Island. Undersok., Ser. Ca., No. 36. Eppler...FeTi03~Fe203 solid solution series. Journ. Phys. Soc. Japan, vol. 12, p. 834. MacChesney, J. B. and Muan, A |  | | Book (volume) | | .......... ......... ...... ..Tatsuo Tatsun1i, Japan Australia .......... ........ .... ...............Neogene Vein-Type and Kuroko Mineralizations of Japan ...... ..... ... ..... .... ......... .... .. ....Characteristics of Granitoids and Related Mineral Deposits of Japan .. ..... . .. ....... ................... .... ...Mineralization: an Example from the Iwami Mining District, Shimane, Japan ..... ............... .......... .......among these are those of the Mascot-Jefferson City district that furnish excellent examples for the study |  | | Journal (volume) | | platinum-group minerals phlogopite plagioclase pentlandite pyrrhotite pyroxene pyrite quartz Regional Office...1980); the acid and basic lavas of the Kuopio district (2060 Ma U-Pb zircon, by Olavi Kouvo; Heikki Lukkarinen...sulphides (pyrite with relics of pyrrhotite, pentlandite and chalcopyrite, sometimes molybdenite), but...3 ), fluorapatite and sulphides (pyrrhotite, pentlandite, pyrite, violarite, millerite, marcasite, bornite...generations of pyrite, chalcopyrite, pyrrhotite, pentlandite, covellite, millerite, violarite, galena and |  | | Book | | from the rock, and Ni is principally bonded in pentlandite, violarite, and millerite. The rock might be...interest to extract from the rock include Co (from pentlandite and violarite) and Cr and Fe (from magnetite)...in the rock are dominated by pyrrhotite and pentlandite, which show approximately equal modal abundances...abundances are much lower than for pyrrhotite and pentlandite. Galena and sphalerite were occasionally observed...coarse individual crystals or together with pentlandite. Magnetite shows different types of intergrowths |  | | Journal (article/letter/editorial) | | Patronite Pearceite Pecoraite Pectolite Penroseite Pentlandite Periclase Perovskite (dysanalyte (Nb), knopite...and alluvial–fluvial placer deposits (Hokkaido, Japan, Great Dyke, Zimbabwe, Ural Mountains, Russia)....arsenides and antimonides, but only two of them, pentlandite which is the major Ni sulfide in magmatic Ni deposits...and replaces in a wide range of mineralization pentlandite play an economic part. The sulfide mineral most...leads to the crystallization of pyrrhotite, pentlandite and chalcopyrite (Fig. 04.01). Because immiscible | | | Journal (article/letter/editorial) | | Patronite Pearceite Pecoraite Pectolite Penroseite Pentlandite Periclase Perovskite (dysanalyte (Nb), knopite...and alluvial–fluvial placer deposits (Hokkaido, Japan, Great Dyke, Zimbabwe, Ural Mountains, Russia)....arsenides and antimonides, but only two of them, pentlandite which is the major Ni sulfide in magmatic Ni deposits...and replaces in a wide range of mineralization pentlandite play an economic part. The sulfide mineral most...leads to the crystallization of pyrrhotite, pentlandite and chalcopyrite (Fig. 04.01). Because immiscible |
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