 | | 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 |  | | 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 |  | | Report (issue) | | = 11.21(1) Z=4 X-ray Powder Pattern: Montgros mine, France (showing preferred orientation). 1.768 (vs)...03 22.36 Total 100.39 100.17 100.00 (1) Montgros mine, France; by electron microprobe, average of eight...corresponds to Ag0.99 In1.00 S2.00 . (2) Toyoha mine, Japan; by electron microprobe, corresponds to Ag1...deposit (Montgros mine, France); in a vein-type hydrothermal ore deposit (Toyoha mine, Japan). Association:...quartz (Montgros mine, France); sphalerite, hocartite, pyrargyrite (Toyoha mine, Japan). Distribution: |  | | Journal (article/letter/editorial) | | low-sulfidation epithermal gold deposit, Northeast Japan arc Teruhiro Suzuki | Shota Satori Graduate School...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...research study of the Bosawa deposit in Akita Prefecture was conducted to support future gold exploration |  | | Journal (article/letter/editorial) | | 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)...CONTENT Seigoshi(Au-Ag) mine OF ACANTHITE 525 Ikuno (Cu-Pb-Zn-du-dg-Sn-I4•) mine The orebodiesare hostedby...mainly composedof sphalerite,sulfide Asahi (•u-•g) mine stage composedof chalcopyriteand minor sulfides |  | | 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...marcasite, argentite(acanthite),tetrahedrite,pyrargyrite,polybasite, pearcite, stephanite, hessite, petzite...some base metal-richdeposits(e.g., Ohe, Ohmidani,Toyoha), sulfide minerals (chalcopyrite,sphalerite,galena)...Electrum Grains in JapaneseEpithermalAu-Ag Deposits Mine name Grain size (/xmin diam) Sado 0.3-150 (avg |  | | Journal (article/letter/editorial) | | Telluride Mineralization in Southwestern Hokkaido, Japan Euis T. YUNINGSIH*, Hiroharu MATSUEDA** and Ildrem...University Museum, Hokkaido University, Sapporo 060–0810, Japan Tellurium–bearing gold, silver, and base...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...an important portion of the mineral resources of Japan. These resources are related to the occurrence of |  | | 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 |  | | 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) | | ISHIHARA, Geological Survey of Japan, AIST, Tsukuba, 305-8567, Japan. Email: s-ishihara@aist.go.jp 174...Cretaceous-Miocene granitic and volcanic terrains of Japan (Ishihara et al., 2006) and Bolivia (Ishihara &...deposit mines. The recently opened San Cristobal mine is outstanding in size, containing 3.2 million tons...2). The lead–zinc deposits of the San Cristobal mine (Ludington et al., 1993) have a much younger K-Ar...16 Ma Tatasi San Vicente 13.4-18.5 Ma Tupiza City and town Sn-rich, Pb-Zn zone Cu-rich, Pb-Zn zone |  | | Journal (article/letter/editorial) | | 0016-7037(95)00015-l Ag-Cu exchange equilibria between pyrargyrite, high-skinner&e, and polybasite solutions DANIEL...developed for the thermodynamic properties of pyrargyrite ( Ag,Cu)$bS, and highskinnerite (Cu, Ag),Sb&...provision for Ag-Cu exchange equilibria between pyrargyrite, high-skinner&e, and polybasite and for the presence...presence of a miscibility gap between pyrargyrite and high-skinnerite. These features are constrained...(evacuated silica tubes; variable mass ratio) between pyrargyrite and polybasite and high-skinnerite and polybasite |  | | Journal (article/letter/editorial) | | 0016-7037(95)00015-l Ag-Cu exchange equilibria between pyrargyrite, high-skinner&e, and polybasite solutions DANIEL...developed for the thermodynamic properties of pyrargyrite ( Ag,Cu)$bS, and highskinnerite (Cu, Ag),Sb&...provision for Ag-Cu exchange equilibria between pyrargyrite, high-skinner&e, and polybasite and for the presence...presence of a miscibility gap between pyrargyrite and high-skinnerite. These features are constrained...(evacuated silica tubes; variable mass ratio) between pyrargyrite and polybasite and high-skinnerite and polybasite |  | Zhang, Qian, Zhu, Xiaoqing, He, Yuliang, Jiang, Junjie, Wang, Dapeng (2006) Indium Enrichment in the Meng'entaolegai Ag-Pb-Zn Deposit, Inner Mongolia, China. Resource Geology, 56 (3) 337-346 doi:10.1111/j.1751-3928.2006.tb00287.x | Journal (article/letter/editorial) | | located about 20 km northwest of Keyou Middle Prefecture, Inner Mongolia, 15 km east of the Duerji Railway...entaol egai ore regi on Zo ne Keyou Middle Prefecture Guangzhou 120 00 121 00 44 30 122 00 Fig...major silver minerals have been found, of which pyrargyrite, acanthite and native silver are most common...the dashed square region in Fig. 2) (Based on the mine information). 1 - Biotite granite; 2 - muscovite...minerals are native silver, electrum, acanthite, pyrargyrite, proustite, dyscrasite, pyrostilpnite, stephanite |  | | Journal (article/letter/editorial) | | Potential for Base and Precious To Metal Deposits in Japan 2020) Antonio ARRIBAS and Toshio MIZUTA Faculty...University, Akita, Japan Abstract There are no known porphyry copper deposits in Japan. Attempts were made...latter option. In this article, we focus on Akita Prefecture and the surrounding areas and consider the potential...northern Honshu and that it serves as a proxy for Japan in general. Akita is rich in mineralization styles...the late 1800s. Osarizawa, the last active vein mine, closed in 1978. Kuroko deposits, the main source |  | | 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 |  | | Journal (article/letter/editorial) | | the equivalent combination of @AgzS and Ag,Sb& pyrargyrite at 400°C. INTRODUCTION POLYBASITE-FEARCEITES...Pb( Sb,As)&, miargyrite-smithite Ag( Sb,As)Sz, pyrargyrite-proustite Ag,( Sb,As)!$, and tetrahedrite-tennantite...limited to IO s for each element. Synthetic pyrargyrite ( Ag,SbSs) ( Ag) and skinnerite (Cu,SbS3) (Cu...microprobe analyses of polybasite, pearceite, pyrargyrite, and skinnerite internal standards, we believe...corresponding compositions and activities of Ag,Sb& in pyrargyrite and Ag$ in ,@(Ag,Cu)$ defined by HARLOV and SACK |  | | Report (issue) | | Zn0.32 )Σ=0.99 Sn1.04 S4.00 . (2) Himmelsfürst mine, Germany; by electron microprobe, corresponding...suredaite, stannite, canfieldite, tetrahedrite, pyrargyrite, silver, sphalerite, wurtzite, siderite, fluorite...Fournial, Cantal, France [TL]. From the Himmelsfürst mine, Erbisdorf, near Freiberg, Saxony, Germany. In the...Giuyang, Hunan Province, China. From the Toyoha mine, Hokkaido, Japan. In the USA, at Bisbee, Cochise Co...., Arizona, and in the Dean mine, southeast of Battle Mountain, Lewis district, Lander Co., Nevada. Name: |  | | Journal (article/letter/editorial) | | are cryptomelane in part. It occurs at the Ojuela Mine, Mapimi, Durango, Mexico. The name is for JuliusLothar...pyrophyllite deposit at Toyosaka, Hiroshima Prefecture,Japan. The name is for the locality. Type material...ammoniumdioctahedralmica. MineralogicalJournal(Japan),11, 138-146. L. E. Shul'tseand V. T. Dubinchu...is found in the Ohgidani deposit, Tobe, Ehime Prefecture, and at the Horo dyscrasite. NEW MINERAL NAMES...Nose;Pd74.03,74.12;A10.54, 1.56; Toyoha Mine, Hokkaido, Japan.Bull. Geol. Surv. Japan,3l, Cu 0.20, 0.07; Sb 15 |  | | Journal (article/letter/editorial) | | the so-calledGreen Tuff basins of Tertiary age in Japan. They are the youngest,least modifiedexamplesknown...personalcommunicathe broad contextof metallogenicepochsin Japan. tions. We alsodiscuss the genesisof the felsicrocks...Takeuchi (1970). Grade of crude ore (%) Name of mine Kosaka l Hanaoka t Year of Size of ore de- ...in 1972 (per month) Crude ore -- 45,000 tons mine• 25 million tons Acid leached Cu = 70 tons 1.2...1972, Kuroko depositssuppliedapproximately Each mine consistsof a number of closely clusand 45 percent |  | | Journal (article/letter/editorial) | | Stibnite at the Hishikari Au–Ag Epithermal Deposit, Japan Toru SHIMIZU Research Institute of Earthquake and...Volcano Geology, AIST, Geological Survey of Japan, Ibaraki, Japan Abstract Fluid inclusion microthermometry...Geological Survey of Japan, Central 7, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8567, Japan. Email: t.shimizu@aist...modified after Sekine et al., 2002). ‘ML’ denotes the mine meter level. ‘m’ indicates the elevation above sea...vein distribution is projected to be 40 ML (40 m mine level = 40 m above sea level). 2005). The veins |  | WANG, Yu Wang, WANG, Jing Bin, UEMOTO, Takeshi, WANG, Li Juan (2001) Geology and Mineralization at the Dajing Tin-polymetallic Ore Deposit, Inner Mongolia, China. Resource Geology, 51 (4) 307-320 doi:10.1111/j.1751-3928.2001.tb00104.x | Journal (article/letter/editorial) | | Mongolia (Fig. 1). The deposit is the largest tin mine ever found in the North China and has produced total...for Mineral Resources, Beijing 100012, China ** Japan International cooperation Agency (JICA). Present...21-1 Nihombashi Hamacho 3-chome, Chuo-ku, Tokyo 103-0007, Japan Keywords: Dajing tin-polymetallic deposit...Mongolia, China Fig. 1 Location map of the Dajing mine. 307 308 Y. W. WANG, J. B. WANG, T. UEMOTO and...history, as a part of the recently completed JICA (Japan International Cooperation Agency) - CAS (Chinese |  | Torró, Lisard, Melgarejo, Joan, Gemmrich, Laura, Mollinedo, Diva, Cazorla, Malena, Martínez, Álvaro, Pujol-Solà, Núria, Farré-de-Pablo, Júlia, Camprubí, Antoni, Artiaga, David, Torres, Belén, Alfonso, Pura, Arce, Osvaldo (2019) Spatial and Temporal Controls on the Distribution of Indium in Xenothermal Vein-Deposits: The Huari Huari District, Potosí, Bolivia. Minerals, 9 (5) 304 doi:10.3390/min9050304 | Journal (article/letter/editorial) | | resources are reported in Bolivia, Peru, China, Japan, Canada, and Russia [9–20]. A major indium province...its closure in 1978 [22]. During this period, the mine was operated by Empresa Minera Caballo Blanco. In...150 g/t Ag [10]. After its reopening in 1983, the mine was operated by the company COMSUR until 2006, and...Frías province, about 32 km to the northeast of the city of Potosí (Figure 1). Access to this deposit is...JXA-8230 electron microprobe (EMP; Jeol Ltd., Tokyo, Japan) at the CCiT-UB, operated at 20 kV acceleration |  | | Journal (article/letter/editorial) | | 461-478 Mineralization and Paragenesisof the Huanzala Mine, Central Peru HIDEKI IMAI, MASASHI KAWASAKI, MITSUO...SaitamaPrefecture,Japan362 Abstract The Huanzala mine is a zinc and lead mineral deposit found in the...are, from bottom to top, chert (Chimu THE Huanzala mine is situated in central Peru, about Formation), ...north-northwest-trending (Fig. •). pany, Ltd. In 1981, the mine produced900 metric The Huanzala deposit occursin...porphyrywasintrudedinto the Chimu Formationjust to the east of the mine (Fig. 1). The absoluteage of the granodioriteporphyry |  | | Journal (article/letter/editorial) | | States, Canada, Chile, Peru, Papua New Guinea, and Japan. Lindgren (1922, 1933) first defined epithermal...Papua New Guinea (Sillitoe, 1989), Hokkaido of Japan (Watanabe, 2002), Lachlan orogenic belt of Australia...acanthite-argentite, 2) Ag sulfosalts, including pyrargyrite, freibergite, polybasite-pearceite, and stephanite...more proper for IS mineralization. For example, Toyoha IS polymetallic deposit, the biggest hydrothermal...the Pacific plate subducted orthogonally beneath Japan island arc in a high speed [orthogonal convergence |  | 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...MiningCollege, AkitaUniversity, AkitaUniversity, Akita010,Japan Abstract Koryuisanepithermal gold-silver quartzveindeposit...quartzveindeposit in southwestern Hokkaido, Japan. Thedeposit occurs in aneast-west shearzonewithinMioceneblackmudstone |
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