 | IMAI, Akira, MATSUEDA, Hiroharu, YAMADA, Ryoichi, MASUTA, Kenzo (1999) Polymetallic Mineralization at the Shin-Ohtoyo Deposit, Harukayama District, Hokkaido, Japan. Resource Geology, 49 (2) 75-88 doi:10.1111/j.1751-3928.1999.tb00033.x | Journal (article/letter/editorial) | | Mineralization at the Shin-Ohtoyo Deposit, Harukayama District, Hokkaido, Japan Akira IMAI*, Hiroharu...Abstract: The Shin-Ohtoyo Cu-Au deposit is located in the Harukayama district, 20 km west of Sapporo, Hokkaido...Hokkaido, Japan. Both acid-type disseminated and adularia-quartz-type vein Au mineralizations have been recognized...characteristics of sulfide ores from the Shin-Ohtoyo deposit have been proved to be polymetallic. Ore...quartz veinlets in silicified zone around the deposit, (2) bismuthinite, emplectite, ±friedrichite and |  | | Journal (article/letter/editorial) | | GERMANIUM-BEARING COLUSITE FROM THE WATERLOO VOLCANIC-ROCK-HOSTED MASSIVE SULFIDE DEPOSIT, AUSTRALIA: CRYSTAL...CRYSTAL CHEMISTRY AND FORMATION OF COLUSITE-GROUP MINERALS THOMAS WAGNER§ Institut für Geowissenschaften...sulfide (VHMS) deposit, northern Queensland, Australia, host germanium-bearing colusite, ideally Cu24+xV2(As...(EMP) analysis. On the basis of textural criteria, colusite is associated with pyrite, chalcopyrite, sphalerite...bornite. The EMP investigations showed that the colusite is chemically homogeneous, the concentrations |  | | Journal (article/letter/editorial) | | the Hydrothermal System of Southwestern Hokkaido, Japan Euis T. YUNINGSIH1,2 and Hiroharu MATSUEDA2 1...University Museum, Hokkaido University, Sapporo, Japan Abstract Shin-Otoyo, Suttsu, Teine, Date, Chitose...deposits, and located in southwestern Hokkaido, Japan. The deposits are predominantly hosted by the Green...Koryu deposits are slightly different from those of Shin-Otoyo, Suttsu, Teine, and Date due to their lack...sub-province of Yajima (1979) except for the Suttsu deposit, which is located in the western part (Fig. 1) |  | Ono, Shuji, Hirai, Koji, Matsueda, Hiroharu, Kabashima, Taro (2004) Polymetallic Mineralization at the Suttsu Vein-type Deposit, Southwestern Hokkaido, Japan. Resource Geology, 54 (4) 453-464 doi:10.1111/j.1751-3928.2004.tb00221.x | Journal (article/letter/editorial) | | Mineralization at the Suttsu Vein-type Deposit, Southwestern Hokkaido, Japan Shuji ONO, Koji HIRAI1, Hiroharu...Hokkaido University, N13, W8, Kita-ku, Sapporo 0608628, Japan [e-mail: onoshu@eng.hokudai.ac.jp] * The...University, N10, W8, Kita-ku, Sapporo 060-0810, Japan ** Metals Exploration Group, Japan Oil, Gas and Metals National... 1310 Omiya-cho, Saiwai-ku, Kawasaki 212-8554, Japan 1 Present address: Resources and Metals Division..., 2-10-1 Toranomon, Minato-ku, Tokyo 105-0001, Japan Received on March 24, 2004; accepted on July 24 |  | | Journal (article/letter/editorial) | | Late Cenozoic Metallogeny of Southwest Hokkaido, Japan Yasushi WATANABE Mineral Resource Research Group...Tsukuba Central 7, Higashi 1-1-1, Tsukuba 305-8567, Japan [y-watanabe@aist.go.jp] Received on May 29, 2001;...stress field of southwest Hokkaido, Japan, and compiles deposit form, type, ore and alteration minerals...activity. The late Cenozoic tectonic regime of the Sapporo-Iwanai ore district is divided into five periods...define clearly. Southwest Hokkaido in the Northeast Japan arc (Fig. 1) is one of the best places to test the |  | | Journal (article/letter/editorial) | | the Morococha district, central Peru, displays a deposit-scale base metal zonation, a common feature observed...variation from low- to high-sulfidation states on deposit and orebody scales (e.g., Meyer et al. 1968, Einaudi...absent in the Zn-Pb-Ag and Ag-Pb zones. Mawsonite, colusite- 724 the canadian mineralogist Fig. 4. Generalized...as well as nekrasovite Cu26V2(Sn,As,Sb)6S32 and colusite Cu26V2(As,Sn,Sb)6S32, have been quantified by...EMPA. Stannoidite, vinciennite, nekrasovite, and colusite contain a similar amount of S (28–32 wt.%) and |  | | Journal (article/letter/editorial) | | Lepanto epithermal copper-gold deposit and the Victoria gold deposit, Mankayan Mineral District, Northern...principal ore minerals of the Lepanto copper-gold deposit are enargite and luzonite, with significant presence...The ore mineralogy of the Lepanto copper-gold deposit suggests high fS2 in the early stages of mineralization...The principal ore minerals of the Victoria gold deposit are sphalerite, galena, chalcopyrite, tetrahedrite...of the Lepanto copper-gold deposit and the Victoria epithermal gold deposit. There are spatial variations |
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