 | | 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...stress. Productive vein-type deposits, such as Toyoha, Inakuraishi, Ohe and Chitose, formed in the neutral |  | | Journal (article/letter/editorial) | | Hokkaido,Japan NAOTATSU SHIKAZONO Abstract Epithermal lead-zinc vein-type depositsof the Toyoha mine, Hokkaido...Hokkaido, Japan, occur in the Green Tuff region of Miocene age. The veins are divided into two groups,...secondaryminerals (kaolinite, goethite,caryopilite,native silver, and szmikite) are also widely distributed. Compositionof...someextent, the following features are clarified for Toyoha mineralizationon the basis of detailedmineralogicaland...northeastern part of Honshu, the main island of Japan, whereas the vein-typedepositsare distributedthroughoutthe |  | | Journal (article/letter/editorial) | | University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan [e-mail: imai@mine.kyushu-u.ac.jp] Received...deposits (Harukayama, Muineyama, Hishikari) in Japan. The F contents of the halogen-rich phlogopite range...deposit, hydrothermal ore deposit, volcanic rocks, Japan eastern Honshu). In addition, Horinouchi and Horikoshi...with native sulfur deposits in central Honshu, Japan. Horikoshi (1990) reported that the hydrothermal...associated with native sulfur and limonite deposits in Japan were examined in this study to reveal the further |  | | Book (volume) | | Field Trip Guide Book Vol. 6 MINERAL DEPOSITS OF JAPAN AND THE PHILIPPINES r QE 304 . A14 1992 v.6 The...Field Trip Guide Book Vol. 6 MINERAL DEPOSITS OF JAPAN AND THE PHILIPPINES The Society of Resource Geology...Nogizaka building 9-6-41 Akasaka, Minato-ku, Tokyo 107, Japan 1992 29th IGC FIELD TRIP GUIDEBOOK Volume...Volume 6 : Mineral Deposits of Japan and the Philippines Editors: Tetsuro Urabe and Masahiro Aoki The...Nogizaka building 9-6-41 Akasaka, Minato-ku, Tokyo 107, Japan Technical Editors Technical Reviewer: Editorial |  | 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) | | Suttsu Vein-type Deposit, Southwestern Hokkaido, Japan Shuji ONO, Koji HIRAI1, Hiroharu MATSUEDA* and Taro...Engineering, Hokkaido University, N13, W8, Kita-ku, Sapporo 0608628, Japan [e-mail: onoshu@eng.hokudai.ac.jp] *...University, N10, W8, Kita-ku, Sapporo 060-0810, Japan ** Metals Exploration Group, Japan Oil, Gas and Metals...Corporation, 1310 Omiya-cho, Saiwai-ku, Kawasaki 212-8554, Japan 1 Present address: Resources and Metals...Metals Co. Ltd., 2-10-1 Toranomon, Minato-ku, Tokyo 105-0001, Japan Received on March 24, 2004; accepted on |  | | Journal (article/letter/editorial) | | 2000 Sulfur Isotopic Study of the Toyoha Deposit, Hokkaido, Japan −Comparison between the Earlier-Stage...the Toyoha deposit, Hokkaido, one of the largest Pb-Zn-Ag polymetallic vein-type deposits in Japan, were...the studied sulfide minerals collected from the Toyoha deposit range from +5 to +9‰, with an average of...1. Introduction The Toyoha mine is located in about 40km southwest of Sapporo City, Hokkaido (Fig. 1)...1). It is one of the largest lead-zinc-silver producers in Japan. It also is the most productive of the |  | | Journal (article/letter/editorial) | | the Nakakoshi Copper Deposits, Central Hokkaido, Japan Norio Tsushima*, Hiroharu Matsueda** and Shunso...similar to those of the reduced type veins of the Toyoha deposits. However there is distinct difference...values are -10.9 ‰ at the Nakakoshi and 5.2 ‰ at the Toyoha. It is suggested that the Nakakoshi deposits were...ilmenite-series granitoids under higher temperature than the Toyoha veins, which were formed by fluids liberated from...deposits are reported, and compared to those of the Toyoha deposits. 1. Introduction Late Cenozoic mineralizations |  | | Journal (article/letter/editorial) | | MEETING OF THE SOCIETY OF MINING GEOLOGISTS OF JAPAN, FEB. 4-5, 1960 1 PRESIDENT'S LECTURE WATANABE...ACCOMPANYING THE URANIUM DEPOSITS IN TOTTORI PREFECTURE. Mineralogical examination was made on about...radioactivity in the Ogamo and Marutani Mines near Kurayoshi City in the northern part of Ningyo-tOge uranium deposits...brochure of the Society of Mining Geologists of Japan by Engineer Intelligence Division Office of the...OF THE COUNTRY ROCK IN THE MIMORIYAMA MINE, HOKKAIDO. This mine yields limonite, and the ore is developed |  | | Journal (article/letter/editorial) | | ith pyrite rangesfrom 0.0 to 8 weight percent. Silver contentof electrumrangesfrom 53 to 73 weight percent...Theoreticallythe iron contentof sphalerite and the silver content of electrum can be representedas a function...aqueousspecies,ionic strength, activity coefficients Toyoha (Pb-Zn) mine of aqueousspecies,activitiesof components...commonlyin these deposits. Yatani (Au-Ag-Pb-Zn) mine General Description of the Ore Deposits The locationsof...acidic composition. The depositsstudied include Toyoha (Pb-Zn), Yatani (Au-Ag-Pb-Zn), Seigoshi (AuAg) |  | | Journal (article/letter/editorial) | | Environmentsof Formation of Vein-Type Depositsin Japan NAOTATSU •HIKAZONO Abstract Electron probe microanalysis...deposits of Au-Ag type (Ohmori mine) and Pb-Zn type (Toyoha mine) in Japan reveal a remarkable contrast...weight percent, whereas the zinc content in the Toyoha deposit is less than can be detected by present...specimensfrom the epithermal Au-Ag Ohmori mine and Pb-Zn Toyoha mine. Giving specialattention to the zinc...chalcopyrite, pyrite, galena, and tetrahedrite. Native silver, covellite, and cuprite are thought to be secondary |  | | Journal (article/letter/editorial) | | Possible Southeast Extension of the Toyoha Polymetallic Deposit, Japan Toru SHIMIZU, Masahiro AOKI* and...Geological Survey of Japan/AIST, Central 7, Higashi 11- 1, Tsukuba 305-8567, Japan [e-mail: t.shimizu@aist...Geological Survey of Japan/AIST, Central 7, Higashi 1-1-1, Tsukuba 305-8567, Japan ** Global Minerals Exploration...Mining Agency of Japan, Tokiwa Bldg., 1-24-14, Toranomon, Minato-ku, Tokyo 105-0001, Japan Received on December...sphalerite from a possible southeast extension of the Toyoha polymetallic deposit. Sphalerite occurs as euhedral~subhedral |  | | Journal (article/letter/editorial) | | Facultyof 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 been |  | | Journal (article/letter/editorial) | | Geochemistry of Gold–Silver Telluride Mineralization in Southwestern Hokkaido, Japan Euis T. YUNINGSIH*... 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...metalliferous resources of Hokkaido are gold and silver vein–type ore, copper, lead and zinc ore in the |  | | Journal (article/letter/editorial) | | in Japan NAOTATSU SHIKAZONO GeologicalInstitute,Facultyof Science,Universityof Tokyo,Bunkyo-ku,Hongo...Hongo,Tokyo113, Japan Abstract The assemblageelectrum-sphalerite-pyrite-argentite is commonin epithermalAu-Ag...the basisof the iron content of sphaleriteand the silver contentof electrumin this assemblage, the prec...contactwith each other. Argentite is the most common silver mineral except in the epithermal Au-Ag deposits...period of mineralizationand is associated with silver mineralsand sulfides,includingsphalerite,chalcopyrite |  | | Journal (article/letter/editorial) | | Rocks and Metallogenesis in Southwest Hokkaido, Japan Eijun OHTA*, Yoshinobu KAWANO**, Mitsuru NAKAGAWA*...and K2O/(Na2O+K2O) of the rocks increase toward Japan Sea, whereas total FeO, CaO, and 87Sr/86Sr decrease...metallogenic zones; manganese-base-metal zone on the Japan Sea side, pyrite-limonite zone mainly along the... Geological Survey of Japan, Kita-8 Nishi-2, Kita-ku, Sapporo 060-0808, Japan [e-mail: ohta@gsj.go.jp]...840-0027, Japan *** Department of Geology, Niigata University, Igarashi 28050, Niigata 950-2102, Japan Keywords: |  | | Book | | 5 Kuroko, Hokuroku basin, Northeastern Honshu, Japan ..................... 58 3.2.6 Laochang, Changning-Menglian...Hyogo Prefecture, Honshu, Southwest Japan .................... 79 3.4.3 Fukoku, Kyoto Prefecture, Honshu...Southwest Japan ....................... 82 3.4.4 lkuno, Hyogo Prefecture, Honshu, Southwest Japan .........District, Gifu Prefecture, Honshu, Southwest Japan ..... 83 3.4.6 Omodani, Fukui Prefecture, Honshu, Southwest...Southwest Japan ..................... 84 3.4.7 West Shropshire Orefield, England ..................... |  | | 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...formed mostly in the Pliocene and Pleistocene time (Toyoha, Teine, Koryu, etc.), and only a few deposits are...Watanabe (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) | | in the Toyoha–Muine area, southwest Hokkaido, Japan TORU S HIMIZU* Geological Survey of Japan, AIST,... 1-1-1 Higashi, Tsukuba 305-8567, Japan (Received November 7, 2011; Accepted February 5, 2012) Sulfur...systems in the altered volcanic host rocks of the Toyoha–Muine area are determined. Miocene and Pliocene–Pleistocene...hydrothermal systems, ore minerals, alteration, Toyoha–Muine ess and the origin of sulfur (Kiyosu, 1974;...presents existing mineralogical and INTRODUCTION The Toyoha–Muine area (hereafter referred to as TMA) is a |  | | Journal (article/letter/editorial) | | AIST, Central 7, Higashi 1-1-1, Tsukuba 305-8567, Japan [e-mail: s-ishihara@aist.go.jp] * Department of...739-8526, Japan ** Institute for Geo-resources and Environment, Geological Survey of Japan, AIST Central...Central 7, Higashi 1-1-1, Tsukuba 305-8567, Japan Received on April 9, 2006; accepted on July 29, 2006 Abstract:...vary from a few ppm (e.g., Kosaka mine) to more than 300 ppm (Toyoha mine). The amount of indium in all the...vein types. The largest one is Toyoha mine (4,700 tons In) and the Ashio mine (ca. 1,200 tons In) was found |  | | 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) | | metallogeny, and their interrelationships, both in Japan and globally. The dedication is particularly appropriate...Ishihara was born and raised in Hiroshima, southwest Japan and is a survivor of the atomic explosion there...took up employment at the Geological Survey of Japan (GSJ), thereby commencing an association that is...for research on Mo mineralization in southwest Japan (Ishihara, 1970b), with Mo deposits and their host...Society of Resource Geology 103 R. H. Sillitoe Sapporo. His connections with GSJ have continued, first |  | | Journal (article/letter/editorial) | | ns in AcidicIgneousRocks fromSomeMiningAreasin Japan SUKUNE TAKENOUCHI AND HIDEKI IMAI Abstract Glassand...rhyolites,porphyries,and granitesfrom mining areas in Japan were investigated. Rhyolites contain various types...and plutonicrocksoften occurin proximity to gold-silver,lead-zinc,copper, and tin-tungstenore deposits...quartzcrystalsof Kishu mines,porphyriesfrom the Toyoha,Tokuryu, rhyolitesand pyroclastics. Akagane, Kamioka...considered to be genetically related to the gold-silver mineralization, occurs as dikesin two places. Glassinclusionsin |  | | Journal (article/letter/editorial) | | Sulfur Isotope Study on Hg and Sb Deposits in Japan Akira IMAI, Naotatsu SHIKAZONO1, Masaaki SHIMIZU*...University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Fukuoka, Japan [e-mail: imai@mine.kyushu-u.ac.jp]...University, Gofuku 3190, Toyama 9308555, Toyama, Japan 1 Present address: Department of Applied Chemistry...University, 3-14-1 Hiyoshi, Kohoku-ku, Yokohama 2238522, Kanagawa, Japan 2 Present address: Tokiwadaira-Nishikubo...Tokiwadaira-Nishikubo, Matsudo 270-2266, Chiba, Japan Received on September 18, 2005; accepted on October 20, 2005 |  | | Journal (article/letter/editorial) | | Numerical Studies of the Hoso‐ kura Deposit, Northern Japan Hiroshi Takahashi, Shohei Albert Tomita, Katsuaki...Numerical Studies of the Hosokura Deposit, Northern Japan, Ore Geology Reviews (2020), doi: https://doi.org/10...Numerical Studies of the Hosokura Deposit, Northern Japan A Cold-Water Trap as an Essential Process for the...Numerical Studies of the Hosokura Deposit, Northern Japan 1. Introduction Epithermal deposits are equally...selected the Hosokura deposit in Miyagi Prefecture, northern Japan (Fig. 1) with accumulated survey data |  | Cook, Nigel J., Ciobanu, Cristiana L., Pring, Allan, Skinner, William, Shimizu, Masaaki, Danyushevsky, Leonid, Saini-Eidukat, Bernhardt, Melcher, Frank (2009) Trace and minor elements in sphalerite: A LA-ICPMS study. Geochimica et Cosmochimica Acta, 73 (16) 4761-4791 doi:10.1016/j.gca.2009.05.045 | Journal (article/letter/editorial) | | Department of Earth Sciences, University of Toyama, Japan f CODES, University of Tasmania, Hobart, Tasmania...carrying those elements, and not as solid solution. Silver may occur both as solid solution and as micro-inclusions...incorporation of other elements. Sphalerite from Toyoha (Japan) features superimposed zoning. Indium-sphalerite...green sphalerite specimens are known from Kipushi Mine, D.R. Congo. Intiomale and Oosterbosch (1974) state...authors have suggested that significant amounts of silver may be incorporated in the sphalerite lattice (e |
|
Toyoha Mine, Minami-ku, Sapporo City, Ishikari Subprefecture, Hokkaidō Prefecture, Japan