 | | 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...Cenozoic tectonic regime of the Sapporo-Iwanai ore district is divided into five periods on the basis of the...99 to 57 mm/y. The hydrothermal deposits in the district include Kuroko deposits of Period 1 and epithermal |  | | 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...(33) Mine name Motokura Hokurhu Sanru Numanoue Kohnomai Kitami Tokusei Yahagi Harutomi Teine Yoichi Ohe |  | | Journal (article/letter/editorial) | | net Inesite Wessels Mine, Northwest of Kuruman, Kalahari Manganese District Cape Province, South Africa...Australia; Hale Creek mine, Trinity County, California; Kalahari manganese district, Cape Province, South...Fengjiashan mine, Hubei Province, China. Of these, the Wessels mine within the Kalahari manganese district has...stunning rhodochrosite that came from the same district. From a Historic Perspective Because inesite was...by Adolf Schneider in 1887. Manganese ore from a mine near Nanzenbach, Hesse, Germany, yielded short prismatic |  | | Journal (article/letter/editorial) | | Inclusionsfrom Epithermal Au-Ag Vein-Type Deposits in Japan NAOTATSU SHIKAZONO GeologicalInstitute,Facultyof...Bunkyo-ku,Hongo,Tokyo113, Japan Abstract The assemblageelectrum-sphalerite-pyrite-argentite is commonin...electrum-sphalerite-pyrite-argentite assemblage, the temperaturesfor the electrum-sphalerite-pyrite-AgSe.Te mineral(naumannite...ison. applicability of the electrum-sphalerite-pyrite-arIn this paper, filling temperaturesof fluid inclusions...150ø to 300øC. At these The electrum-sphalerite-pyrite-argentite assemblagetemperaturesthe phase relations |  | | Journal (article/letter/editorial) | | epithermal ore veins: A case study of the Todoroki Au-Ag ore deposit, Japan T. YO N E D A 1 , † , T. WATA N A...University, Sapporo, 060-8628, Japan Niigata College of Nursing, Joetsu, 943-0147, Japan 3 Faculty of Engineering...Engineering, Hokkaido University, Sapporo, 060-8628, Japan 2 (Received 30 October 2015; revised 27 June 2016;...ore veins, the Chuetsu and Shuetsu veins of the Todoroki Au-Ag deposit. The characteristics of the C–Co–S...(the Chuetsu vein and the Shuetsu vein) of the Todoroki deposit are described based on observations of |  | | 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...zones; manganese-base-metal zone on the Japan Sea side, pyrite-limonite zone mainly along the volcanic... 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: |  | | Journal (article/letter/editorial) | | Telluride Mineralization in Southwestern Hokkaido, Japan Euis T. YUNINGSIH*, Hiroharu MATSUEDA** and Ildrem...Museum, Hokkaido University, Sapporo 060–0810, Japan Tellurium–bearing gold, silver, and base metal...mineralization in southwestern Hokkaido, Japan. The telluride deposits in this district consist of quartz–filled fracture...Pacific Ocean to the south and east, the Sea of Japan to the west, and the Sea of Okhotsk to the north...working metal mines in Hokkaido. The southwestern district of Hokkaido has produced a valuable amount of |  | | Journal (article/letter/editorial) | | certain manganeseoxide deposits of the Philipsburg District, Montana, has been under way at the University...localities. OccunnBNco AND ORrctN The Philipsburg District is on the west flank of the Flint Creek mountains...Fissure mine in the eastern part of the District. The general geology of the Philipsburg District is given...(1913). Goddard (1940)presentsa geologicmap of the district as well as descriptionsand maps of severalof the...available on the True Fissure mine. The manganeseoxide ores of the True Fissure mine are predominantly in the |  | | 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,...sphalerite-pyrite-quartz with minor hematite,sphalerite-galena-pyrite,sphalerite-pyrite,and pyrite-pyrrhotite...carbonate-pyrite-claystage which is composedof carbonate-pyrite-montmorillonite and carbonate-pyrite-alabandite...carbonate stage which is composedof manganocalcite-pyrite-quartz and calcite-quartzsubbands from outside(earlier) |  | | Report (issue) | | ________________________ Similarity to rocks in Japan._____________ Similarity to rocks in Taiwan ____________...Alluvial deposits..__________________________ Todoroki-gawa terrace site.__________________ Peat____...analyses and norms of granitic rocks from southern Japan and the northern Ryukyu Islands--------Characteristics...manganese oxide samples from Kamiyama manganese "mine," Ishigaki-shima..________--_--_-----Chemical analyses...convex toward the east, from Kyushu in southern Japan to northern Taiwan. About half of the island's area |  | | Journal (article/letter/editorial) | | Geology and Mineralogy, Hokkaido University, Sapporo, Japan Zynpei Harada, emeritus professorof Hokkaido University...guidance ofProfessor Koto, the founder ofpetrology in Japan, he completed his thesis on the geology of Hachijo-jima...the Fifth High School, both in Kumamoto, western Japan. During his stay in Kumamoto, Harada devoted himself...optical and chemical study on danburite from Obira, Japan, using the prism method developed by Professor Rose...chemischenEigenschaftendes Danburits von Obira, Japan," which was published in Zeitschrift Jiir Kristallographie |  | | Journal (article/letter/editorial) | | manganese oxide mineral previously reported only from Japan, is described from an occurrence in Cuba. A chemical...compared with those of the type todorokite from Japan. INrnooucrrou During the course of a routine mineralogical...reported from the type locality at the Todoroki Mine, Hokkaido, Japan (Yoshimura, t934), a description is...described in this paper is found at the Montenegro Mine which is locatedon the northern flank of the SierraMaestre...Cuba. Manganesemineralization at the Montenegro Mine is apparently typical of that in the region. The |  | | 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) | | Jansen Vol. 101, No. 12, 2016 Transformation of pyrite to pyrrhotite in the presence of Au-Ag alloys at...metasomatism and gold mineralisation at Plutonic gold mine, Marymia Inlier, Western Australia—M.F. Gazley,...situ multiple sulfur isotope analysis by SIMS of pyrite, chalcopyrite, pyrrhotite, and pentlandite to refine...epithermal ore veins: A case study of the Todoroki Au-Ag ore deposit, Japan—T. Yoneda, T. Watanabe, and T. Sato...Junichiro Ohta, Satoru Haraguchi, Yoshiro Nishio, Yoichi Usui, Tatsuo Nozaki, Toshitsugu Yamazaki, Yuji |  | | Journal (article/letter/editorial) | | Systems in the Jozankei-Zenibako District, Southwest Hokkaido, Japan Yasushi WATANABE* and Eijun OHTA**...to magmatic intrusions in the Jozankei-Zenibako district, southwest Hokkaido are examined, based on field...from ca. 11 Ma to 8.5 Ma and after 7.5 Ma in the district. Age-data compilation shows that the major advanced...Hokkaido, including those in the Jozankei-Zenibako district, formed during the periods from 9.7-6.5 Ma and...subduction of the Pacific plate beneath the Northeast Japan arc. Normal, in contrast to oblique, plate subduction |  | Gomez-Caballero, J. A., Villasenor-Cabral, M. G., Santiago-Jacinto, P., Ponce-Abad, F. (2010) HYPOGENE Ba-RICH TODOROKITE AND ASSOCIATED NANOMETRIC NATIVE SILVER IN THE SAN MIGUEL TENANGO MINING AREA, ZACATLAN, PUEBLA, MEXICO. The Canadian Mineralogist, 48 (5) 1237-1253 doi:10.3749/canmin.48.5.1237 | Journal (article/letter/editorial) | | Mexico, is an old, now-abandoned silver mining district worked intermittently since Colonial times until...rocks. Because of the present inaccessibility of the mine workings, only one vein was available for sampling...a third stage consisting of irregular masses of pyrite, chalcopyrite, and pentlandite a few mm across...de l’État de Puebla, au Mexique, est un ancien district minier aujourd’hui abandonné; le minerai d’argent...troisième étape, qui consiste de masses irrégulières de pyrite, chalcopyrite et pentlandite quelques mm de long |  | | Journal (article/letter/editorial) | | Geological Institute, University of Tokyo, Hongo, Tokyo (Japan) Institute of Earth Science, Fmulty of Culture,... University of Tokyo, Korrraba, Tokyo (Japan) (Received November 30, 1964) SUMMARY The authors have...alterations of Cenozoic and Mesozoic pyroclastic rocks of Japan, which contain several kinds of zeolites in abundance...alterations of Cenozoic and Mesozoic pyroclastic rocks of Japan which contain several kinds of zeolites in abundance...Yamagata, Japan (11) OkokuLinc, Akita, Japan (12) KLnnui Group, Yoshioka, 4 Hokkaido, Japan ; ; (13) Usui |  | | Journal (article/letter/editorial) | | Technology, Kasumigaseki I-3-1, Chiyoda-ku, Tokyo 100, Japan Abstract--In 1970s-1980s, the following two basic...magnetite-series of Quaternary volcanic belts in Japan, Miocene magmatic belts are characterized by paired...geologists (Wallace et al. 1978) investigated the Urad mine which was mined for molybdenite~luartz veins in...- ~ ' - ~ - - ~ ' '~'~ ~ , ~ i a r k Delaware mine vein outcrop t - - ~ zn÷AQ -- p b + F ~- -o/...-o/ 'r'\U+.ah metals No. 27 bed Armstronge mine U.S. mira 0 I km I I i~ \ _U.S. m i n e - - ~ |  | | Journal (article/letter/editorial) | | theYataniLead-Zinc andGold-SilverDeposit,Japan KEIKO HATTORI Abstract The Yatani mine, a representativeof volcanic...epithermalpreciousand base metal depositsof Tertiary age in Japan, containsboth Pb-Zn and Au-Ag veins. Based on mineral...metal-sulfurcomplexesoccurred. Most epithermalAu-Ag veins in Japan show similar features in their mineral parageneses...ciousor base metal veinsin Neogeneformationsin Japan. This paper discusses the transportandprecipitation...Yatani minearea. After geologicalstaff of the Yatani mine,Oppu Mining Co., Ltd. vo!canicsand pyroclasticrocks |  | | Journal (article/letter/editorial) | | Faculty of Science, Kyushu University, Fukuoka (Japan) (Accepted for publication July 7, 1989 ) Abstract...Zealand, Stanaway et al., 1978; Noda Tamagawa, Kaso, Japan, Watanabe et al., 1970; Calaverous Formation and...study on alabandite from the manganese deposits of Japan. His research has centered on the mineralogy and...and petrology of manganese deposits in Japan and India. He is currently employed at the Department of Geology...Faculty of Science, Kyushu University, Fukuoka, Japan. MANGANESE ORES OF THE PENGANGA GROUP, 343 |  | | Journal (article/letter/editorial) | | SECONDARY MINERALS IN THE ONIKOBE GEOTHERMAL SYSTEM, JAPAN J.G. LIOU 1, Y O T A R O SEKI 2, R.N. GUILLEMETTE...Geotectonic Laboratory, Saitama University, Urawa (Japan) 3Department o f Geology, Southern Illinois University...Research Institute, University of Tokyo, Tokyo (Japan) (Accepted for publication July 16, 1984) Abstract...secondary minerals in the Onikobe geothermal system, Japan. In: Y. Kitano (Guest-Editor), Water--Rock Interaction...core samples of the Onikobe geothermal system, Japan, were investigated in detail in order to evaluate |  | | Journal (article/letter/editorial) | | alteration selvages and are sulphide-poor with pyrite and arsenopyrite dominant over base-metal sulphides...zinc-rich massive sulphide lenses and with chalcopyrite-pyrite ores occupying lower por- 336 tions of copper-rich...the Timmins-OchaliBerlin mine, Columbia (Fisher, 1950) and at the O'Brien mine, Quebec (Mills, 1954). However...corresponded with increasing silver content of pyrite associated with gold grains of consistent fineness...character. Gold and silver grains from the Ross Mine, Ontario, 339 SILVER CONTENT (FINENESS) OF GOLD |  | | Report (issue) | | University 36, Hakozaki, Higashi-ky, Fukuoka 812, Japan Open-File Report 86-266 1986 SELECTED BIBLIOGRAPHY...Fluid-inclusion and geochemical studies at the Emperor gold mine, Fiji; Unpub. Ph.D. dissertation, University of..., 72 p. Ashley, R. P., 1974, Goldfield mining district, jLn Guidebook to the geology of four Tertiary...metals in silicified rocks of the Goldfield mining district, Nevada: U.S. Geological Survey Professional Paper...Paul, 1945, Quicksilver deposits of the Knoxville district, Napa, Yolo, and Lake Counties, California: California |  | | Report (issue) | | 1986, Geology and development of the Hishikari mine: Mining Geology, v. 36 (2), no. 196, p. 117. Adams...Fluid-inclusion and geochemical studies at the Emperor gold mine, Fiji: Unpub. Ph.D. dissertation, University of...p. 9-24. Ashley, R. P., 1974, Goldfield mining district, in Guidebook to the geology of four Tertiary...metals in silicified rocks of the Goldfield mining district, Nevada: U.S. Geological Survey Professional Paper...Paul, 1945, Quicksilver deposits of the Knoxville district, Napa, Yolo, and Lake Counties, California: California |  | | Journal (article/letter/editorial) | | Reference Prefecture, Jian-Bao Environments of Manganese to Todorokite, West from Urizukui, Japan LI...Department Kyodoko formation by the skarnization, pyrite, are embedded in chert near the dyke of quartz-porphyry...diffraction data for todorokites from and frcm the Todoroki mine (3-7) (1) natural wet sample (2) air-dried...Urizukuri, this paper (analyst : Harada, S.), (2) Todoroki mine, Hokkaido (Yoshimura, 1934), Insol. 1.28, SO3...tr., (3) Maruyama mine, Aomori Pref. (Okada and Tanida, 1965), (4) Hamayokogawa mine, Nagano Pref. (Nambu |
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