 | | 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;...magmatic style and stress field of southwest Hokkaido, Japan, and compiles deposit form, type, ore and alteration...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) | | Geochemistry of Gold–Silver Telluride Mineralization in Southwestern Hokkaido, Japan Euis T. YUNINGSIH*...Museum, Hokkaido University, Sapporo 060–0810, Japan Tellurium–bearing gold, silver, and base metal assemblages...epithermal mineralization in southwestern Hokkaido, Japan. The telluride deposits in this district consist...Pacific Ocean to the south and east, the Sea of Japan to the west, and the Sea of Okhotsk to the north...Neogene metalliferous resources of Hokkaido are gold and silver vein–type ore, copper, lead and zinc |  | | Journal (article/letter/editorial) | | Occurrences of Native Tellurium from Epithermal Gold Deposits in Japan Masataka Nakata1 and Kosei Komuro2 1 Department...Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan Abstract The chemistry and mode of occurrences...the epithermal gold ores from Teine, Kobetsuzawa, Mutsu, Kawazu, Suzaki and Iriki in Japan are examined...with native tellurium are: quartz-sylvanite at Teine, quartz-hessite-sylvanite-tellurantimony at Kobetsuzawa...detected are: Se of 0–0.85 and Cu of 0–0.74 at Teine, Sb of 0.45–0.47 and Se of 0.19–0.27 at Kawazu, |  | | Journal (article/letter/editorial) | | Article (Au, Ag)Te2 Minerals from Epithermal Gold Deposits in Japan Kosei KOMURO1 and Masataka NAKATA2 1 Graduate...Sciences, Tokyo Gakugei University, Koganei, Tokyo, Japan Abstract Chemical composition and mode of occurrences...((Au, Ag)Te2) in epithermal gold telluride ores from Suzaki, Kawazu and Teine are examined. In the ores...tetradymite in the coarser gray quartz part. The Teine sample also contains sylvanite and native tellurium...Te, Au, Ag, Cu and Fe contents of sylvanite from Teine range from 61.8 to 63.5 wt.%, from 23.6 to 24.7 |  | | Report (issue) | | 597(5) c = 7.428(4) X-ray Powder Pattern: Teine mine, Japan. 3.45 (10), 5.45 (9b), 3.06 (8), 2.94 (7)...00 28.91 13.09 Total [100.00] 100.00 (1) Teine mine, Japan; recalculated to 100% from an original total...sphalerite, azurite, malachite, quartz, barite (Teine mine, Japan); hessite, galena, bornite, cerussite, azurite...(Moctezuma mine, Mexico); cuprite, malachite, graemite (Cole shaft, Arizona, USA). Distribution: In Japan, from...from the Teine mine, Sapporo, Hokkaido, and in the Kawazu mine, three km north of Shimoda, Shizuoka Prefecture |  | | Journal (article/letter/editorial) | | Two types of ores are recognized in the Huanzala mine, Peru. Zinc and lead ore of adularia-sericite type...The copper ores from the Teine mine, Hokkaido, Japan and the Chinkuashih mine, Taiwan are acid-sulfate...also present in these deposits. Both types in the Teine and Chinkuashih deposits are supposed to have formed...The enargite and luzonite ores in the Hokuetsu mine, Japan are closely associated with native sulfur of...between geothermal systems of volcanic regions in Japan and volocanic-hosted precious- and base-metal deposits |  | | Journal (article/letter/editorial) | | the Hydrothermal System of Southwestern Hokkaido, Japan Euis T. YUNINGSIH1,2 and Hiroharu MATSUEDA2 1...Museum, Hokkaido University, Sapporo, Japan Abstract Shin-Otoyo, Suttsu, Teine, Date, Chitose, and Koryu...deposits, and located in southwestern Hokkaido, Japan. The deposits are predominantly hosted by the Green...Various types of sulfosalt minerals identified from gold– silver and base metal quartz–sulfide veins represented...slightly different from those of Shin-Otoyo, Suttsu, Teine, and Date due to their lack of Sn (tin) and Bi (bismuth) |  | | Journal (article/letter/editorial) | | the Bosawa low-sulfidation epithermal gold deposit, Northeast Japan arc Teruhiro Suzuki | Shota Satori...International Resource Sciences, Akita University, Akita, Japan Correspondence Yasushi Watanabe, Graduate School...Akita 010-8502, Japan. Email: y-watanabe@gipc.akita-u.ac.jp Funding information Japan Society for the...deposits in the Tohoku region of the Northeast Japan arc; however, these deposits have undergone limited...the Bosawa deposit in Akita Prefecture was conducted to support future gold exploration in the Tohoku region |  | 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) | | Shin-Ohtoyo Deposit, Harukayama District, Hokkaido, Japan Akira IMAI*, Hiroharu MATSUEDA**, Ryoichi YAMADA***...the Harukayama district, 20 km west of Sapporo, Hokkaido, Japan. Both acid-type disseminated and adularia-quartz-type...occurrence of friedrichite and stibiocolusite from Japan are reported. The chemical formula of the unnamed...drill cores recovered by Metal Mining Agency of Japan (MMAJ) vary from –2.7 ‰ to +0.8 ‰. Sulfur isotopic...program was undertaken by Metal Mining Agency of Japan (MMAJ) under Ministry of International Trade and |  | | Report (issue) | | in volcanic fumaroles. Association: carbonates. Gold, sylvanite, empressite, altaite, pyrite, galena...Peninsula, Russia. Large cleavages at the Kochbulak gold deposit, Chatkal-Kuramin Mountains, eastern Uzbekistan...Magnolia, Gold Hill, Ballarat, and Central districts, Boulder Co.; and at the Vulcan mine, Gunnison Co...Moctezuma (Bambolla) mine, 12 km south of Moctezuma, Sonora, Mexico. From the El Indio mine, east of La Serena...Australia. In the Teine mine, northwest of Sapporo, Hokkaido, and in the Kawazu mine, near Sizewka, Shizuoka |  | | Journal (article/letter/editorial) | | TEINEITE FROM 1968 THE (RENDAIJI) MINE, SHIZUOKA PREFECTURE, JAPAN AKIRA Division of Mineralogy, KATO...Tokyo, Japan ABSTRACT Teineite from the new locality,Kawazu mine, Shizuoka Prefecture, Japan, is described...rare Teine secondary mineral mine, Hokkaido Kawazu (Rendaiji) only known (Yoshimura mine, Shizuoka...Shizuoka (1936)), prefecture, Japan. The thermal and deposits veins ores, The that of cutting ...Kawazu (Rendaiji) Neogene had into mine pyroclastic been two gold‑silver‑tellurium‑bearing worked kinds |  | | Journal (article/letter/editorial) | | (e.g. enargite/luzonite, goldfieldite and native gold), followed by an intermediate-sulfidation ore assemblage...is the closest to the type material from the Teine mine, Hokkaido. An extremely Sb-rich analog to watanabeite...1.4 apfu Sb) detected during this study at Pefka mine, seems to fill the gap within the solid solution...high-sulfidation epithermal deposit, Pefka mine, Greece. Introduction The Pefka mine is a high-grade vein system and...Alexandroupolis (Fig. 1). Previous work at Pefka mine have described an exceptional and rare ore mineralogy |  | | Journal (article/letter/editorial) | | Washington, DC 20013 pohwatp@si.edu ENARGITE Longfellow Mine, Red Mountain District, San Juan County, Colorado...tennantite from the north orebody of the Longfellow mine, Red Mountain district, San Juan County, Colorado...the Longfellow mine, Red Mountain district, San Juan County (fig. 1). The Longfellow mine was discovered...until 1966 when the mine was allowed to flood. Enargite crystals from the Longfellow mine have been found...associated with tennantite, a common associate at this mine. Other associates from the Longfellow include pyrite |  | | Journal (article/letter/editorial) | | Jozankei-Zenibako District, Southwest Hokkaido, Japan Yasushi WATANABE* and Eijun OHTA** Abstract: Hydrothermal...subduction of the Pacific plate beneath the Northeast Japan arc. Normal, in contrast to oblique, plate subduction...mostly in the Pliocene and Pleistocene time (Toyoha, Teine, Koryu, etc.), and only a few deposits are contemporaneous...(1990) suggested that the mineralization at Toyoha, Teine and Koryu are related to the magmatic activities...district is at the northern end of the Northeast Japan arc (Fig. 1), and has been the site of arc volcanism |  | | Journal (article/letter/editorial) | | Rocks and Metallogenesis in Southwest Hokkaido, Japan Eijun OHTA*, Yoshinobu KAWANO**, Mitsuru NAKAGAWA*...Quaternary igneous rocks, and has a large number of gold veins and base-metal veins of the same age. Investigation...and K2O/(Na2O+K2O) of the rocks increase toward Japan Sea, whereas total FeO, CaO, and 87Sr/86Sr decrease... zone on the Japan Sea side, pyrite-limonite zone mainly along the volcanic front, gold zone in the middle...middle, and two units of gold-base-metal zone. The northern unit of this zone is in the Jozankei block |  | | Journal (article/letter/editorial) | | Science,Universityof Tokyo,Bunkyo-ku,Hongo,Tokyo113, Japan Abstract The assemblage and mode of occurrenceof...suggestthat the fco• for vein-type mineralizationin Japan is controlled by alteration mineralscommonlyoccurringin...hostrocksfor Neogenevein-typemineralizationdistrictsin Japan,it was found that many Cu-Pb-Zn-richvein-type depositsoccurin...similaritiesbetween epithermal type deposits in Japan have been carried out in vein-type depositsand active...rangesof oxy- Many depositscontainpreciousmetals(gold, silver, gen and sulfur fugacitiesof the depositshave |  | | Journal (article/letter/editorial) | | Sulfur Isotope Study on Hg and Sb Deposits in Japan Akira IMAI, Naotatsu SHIKAZONO1, Masaaki SHIMIZU*...Hakozaki, Higashi-ku, Fukuoka 812-8581, Fukuoka, Japan [e-mail: imai@mine.kyushu-u.ac.jp] * University...University, Gofuku 3190, Toyama 9308555, Toyama, Japan 1 Present address: Department of Applied Chemistry... Kanagawa, Japan 2 Present address: Tokiwadaira-Nishikubo, Matsudo 270-2266, Chiba, Japan Received on...jamesonite and berthierite from Sb deposits in Japan are examined in order to understand metallogeneses |  | Shimizu, Toru, Matsueda, Hiroharu, Ishiyama, Daizo, Matsubaya, Osamu (1998) Genesis of epithermal Au-Ag mineralization of the Koryu Mine, Hokkaido, Japan. Economic Geology, 93 (3) 303-325 doi:10.2113/gsecongeo.93.3.303 | Journal (article/letter/editorial) | | Au-AgMineralization of the KoryuMine,Hokkaido, Japan TORUSHIMIZU, L* HIROHARU MATSUEDA, Department of... Facultyof Science, Hokkaido University, Sapporo 060,Japan DAIZO ISHIYAMA, Department of Geosciences...andMaterialProcessing, MiningCollege, AkitaUniversity, Akita010,Japan AND OSAMU MATSUBAYA Research Instituteof Materials...AkitaUniversity, AkitaUniversity, Akita010,Japan Abstract Koryuisanepithermal gold-silver quartzveindeposit in southwestern...southwestern Hokkaido, Japan. Thedeposit occurs in aneast-west shearzonewithinMioceneblackmudstone. Thedeposit |  | | Journal (article/letter/editorial) | | Florida] at 23:45 31 December 2014 Realgar Jiepaiyu Mine, Shimen, Hunan Province, China T here has been...rocks and has been identified as a product of coal-mine fires. Commonly associated minerals include orpiment...Paris, Oxford County, Maine, and the Palermo No. 1 mine, Groton County, New Hampshire. It occurred with...occurrences in the western United States, particularly gold deposits of the general Carlin type in Nevada (Castor...attractive groups of crystals from the Getchell mine, Humboldt County, where individual crystals to 12 |  | | Report (issue) | | sulfosalts, silver, gold, marcasite, alunite, barite, quartz. Distribution: From the Lepanto mine, Mankayan, Luzon...mineral. In the Chinkuashi mine, Keelung, Taiwan. In Japan, at the Teine, Morino, and Date mines, Hokkaido;...Hokkaido; the Kasuga and Akeshi mines, Kagoshima Prefecture; and other localities. From the Sierra Famatina...Goldfield, Esmeralda Co., from the Golden Chariot mine, Jamestown district, Nye Co., and in the Burrus...Pı̂rı̂ul lui Avram, Romania. In the Lahóca Hill mine, Recsk, Mátra Mountains, Hungary. Numerous additional |  | | Journal (article/letter/editorial) | | Inclusionsfrom Epithermal Au-Ag Vein-Type Deposits in Japan NAOTATSU SHIKAZONO GeologicalInstitute,Facultyof...Science,Universityof Tokyo,Bunkyo-ku,Hongo,Tokyo113, Japan Abstract The assemblageelectrum-sphalerite-pyrite-argentite...Electrum Grains in JapaneseEpithermalAu-Ag Deposits Mine name Grain size (/xmin diam) Sado 0.3-150 (avg...from core to margin AU-AG DEPOSIT TEMPERATURES,JAPAN to 300øC, as derived from fluid inclusiondata (see...NAOTATSU SHiKAZONO AU-AGDEPOSITTEMPERATURES, JAPAN 1419 1. The coexistingsphalerite,pyrite, electrum |  | | Book | | been carried out. Epithermal vein-type deposits in Japan have also been well-studied. More than 1,000 papers...on Kuroko and epithermal vein-type deposits in Japan will be summarized in Chapter 1. The descriptions...study epithermal vein-type and Kuroko deposits in Japan. I learned from them an importance of the integration...fluid inclusion studies of vein-type deposits in Japan were especially valid and useful to writing this...On the origin of Kuroko of the Kosaka mine. J. Geol. Soc. Japan, 26, 107-132 (in Japanese). Ohmoto, H |  | | Journal (article/letter/editorial) | | crusts (up to 0.5 mm) on quartz at the McAlpine mine, Tuolumne County, California, U.S.A; mcalpineite...minerals. Also recorded from the Centennial Eureka mine, Juab County, Utah, U.S.A. Cu3TeOo6.H20. Cubic,...Palaeogene Ikushunbetsu coal area, Mikasa city, Hokkaido, Japan. (Fe3§ the sublimate consists of aggregates...uniaxial positive, co 1.504, e 1.518. Named for Mikasa city. Mineevite-(Y). A.P. Khomyakov, L.I. Polezhaeva...up to I mm in quartz from the Alaska geochemist. mine, San Juan County, Colorado, U.S.A. Montesommaite |  | | Journal (article/letter/editorial) | | A case study of the Todoroki Au-Ag ore deposit, Japan T. YO N E D A 1 , † , T. WATA N A B E 2 AND T...University, Sapporo, 060-8628, Japan Niigata College of Nursing, Joetsu, 943-0147, Japan 3 Faculty of...of Engineering, Hokkaido University, Sapporo, 060-8628, Japan 2 (Received 30 October 2015; revised 27...m (mean thickness of mined part), respectively (Japan Mining Industry Association, 1968). The sampling...2), stage II quartz (n = 81: 8 samples from 160 m mine level (ML is used hereafter), 14 samples from 130 | | | Journal (article/letter/editorial) | | the the Juji 1 vein, same in A vein, and mine, produced time gave given in in Table that...that of Hishikari of 1.0•} of mineraliza The Japan age of 1.0 according it vein and is to significant...significant in Hokkaido Ohra mines Japan. そ の 資 料 は ま だ 少 な く,断 片 的 で,鉱 1.ま Ma adularia age one...whereas period. a gold-silver as of a K-Ar that mines banding age mine, mineralization as ...Sanru occurred present Sanru in width, Koryu gold-silver which nearly in Miocene the of the |
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