 | | Journal (article/letter/editorial) | | J. Japan. Assoc. MinP etr. Econ. Geol., 70, 395-411, 1975 PARAGENESIS OF Fe-S-O PYROMETASOMATIC MINERALS...SHIN-YAMA IRON-COPPER KAMAISHI ORE DEPOSIT , DISTRICT, MINING NORTH-EASTERN JAPAN SHIMPEI KANO AND MATSUO...be 47.3 to almost of atomic an percent hematite is always monoclinic ore pyrrhotite, and...(1964), Ueno (1967), Ochiai (1974)) of the Kama ishi Mine. The ore deposits are developed mostly in the contact-zones...the distribution October 8, 1975) the and The Kamaishi district, situated at the eastern margin of the |  | | Journal (article/letter/editorial) | | DEPOSITS FOUND IN CONTACTMETAMORPHIC AUREOLES IN JAPAN Takeo Watanabe a a Geological Institute, Faculty...DEPOSITS FOUND IN CONTACT-METAMORPHIC AUREOLES IN JAPAN, International Geology Review, 2:11, 946-966, DOI:...DEPOSITS FOUND IN CONTACT-METAMORPHIC AUREOLES IN JAPAN' by Takeo Watanabe' • translated by Kinkiti Musya...the study of ore deposits in the contact zones in Japan 947 Genetic classification of metalliferous deposits...950 950 950 950 Contact metamorphic aureoles in Japan and characteristics of metalliferous deposits in |  | | Journal (article/letter/editorial) | | Kitakami Mountains, NE Japan: in Comparison to the Ganidake Pluton – Kamaishi Skarn Metasomatism Kazuhiro...of Science, Tohoku University, Sendai 980-8578, Japan [e-mail: k_sasaki@daiseki-eco.co.jp] * Department...Yamagata 990-8560, Japan ** Yagiyama Honcho 2-19-14, Taihaku-ku, Sendai 982-0801, Japan 1 Present address:...Solution Co., Ltd., Nihonbashi 1-2-19, Tokyo 103-0027, Japan. Received on March 28, 2005; accepted on May 6,...accompanies enormous Fe-Cu mineralization of the Kamaishi deposits, whereas the Kurihashi pluton accompanies |  | | Journal (article/letter/editorial) | | University of Tsukuba, Sakura-mura, Ibaraki 3053, Japan. 1986; (Received July 30, Accepted November ...on carbon and oxygen isotopic features of the Kamaishi deposits, that oxygen isotopic composition of...fluids responsible for major skarn deposits in Japan, using the isotopic data on skarn calcites INTRODUCTION...Kitabira Naganobori '-Chichibu ISW Y; Ofuku, •Kamaishi C~2 MTV' Yoshiwara 0 Kobushi `Nakatatsu OSW...Inner Zone of southwestern Japan, and OSW: Outer Zone of southwestern Japan. TTL: Tanagura tectonic line |  | | Journal (article/letter/editorial) | | identical optical properties is present at the Clifton mine, near Degrasse,St. Lawrence County, New York. The...reflectivity of magnetite relative to crystalline hematite. In polished sectionsexamined with the reflecting...magnetite; cut by veinlets of hematite, and Iocally replaced by ragged blades of hematite. Color-very strongly...Mohs' scale.Polishing hardnesslessthan that of hematite, and about equal to that of magnetite. Magnetism-pure...(1920). "Paigeite" (vonsenite) from the Kamaishi mine, Japan, was describedby Watanabe and Ito (1954) |  | | Journal (article/letter/editorial) | | SkarnDepositsin Japan TAKANORI NAKANO, Instituteof Geoscience, Universityof Tsukuba,Ibaraki305, Japan HIDEHIKO...Tokyo113,Japan AND MASAAKI SHIMIZU UniversityMuseum,Universityof Tokyo,Hongo,Tokyo113, Japan Abstract...singleminescale.On the otherhand,skarns from78 oredeposits in Japan revealregionalvariationsin the 87Sr/8aSr ratiorangingfrom0...Introduction 0361-0128/90/1069/794-2253.00 794 JAPAN: SrISOTOPE COMPOSITION OFSKARNS 795 exoskarn,...zoneof southwestern Japan,(KA) -- Kanto,KT = Kitakami,OSW= Outerzoneof southwestern Japan,(WCH) -- westernChugoku;ISTL |  | | Journal (article/letter/editorial) | | Economic Geology, Tohoku University, Sendal 980, Japan Abstract. To determine the bulk chemical compositions...specimens from various types of ore deposits in Japan were used for modal and electron microprobe analyses...specimens from the Maruyama deposit in the Tsumo mine contain 1.2-1.4 at% Zn, which are within the solubility...Table 1. In the case of specimens from the Tsumo mine of a socalled skarn-type deposit, ores consist mainly...Tsumo mine have been given in Sugaki et al. (1981). Chalcopyrite samples from the Ohmine mine of a skarn-type | | | Journal (article/letter/editorial) | | the Imperfection of Magnetite from Iwate Prefecture. the Kamaishi 竹 内 常彦**(Tsunehiko 南 部 松 夫**(Matsuo...夫**(Matsuo 和 田 成 人***(Narundo Mine, Takeuchi) Nambu) W'ada) Abstract : A variation of magnetite...contact metasomatic magnetite deposit of the Kamaishi Mine. A comparative study of this type of magnetite...る。FeOとFe203の で あ る に 封 し 磁 鉄 鉱IIは.1.03と Tablel Chemical Kamaishi 學 成 分 者 共 に 成 分 上 の 大 差 は な く何 れ も モ ル 比 を...者 が 若干Fe2O3richで composition of magnetite I and Mine (Analysed by S.Nagano) II from ある 78岩石礦 物礦 |  | | Journal (article/letter/editorial) | | some parts of magnetite from the Kamaishi Cu-Fe skarn deposit, Japan, contain a significant amount of...Ukan ilmenite-series granodiorite, southwestern Japan, Takagi (1992) found magnetite with 4.1 to 5.4 wt...Institute, University of Tokyo Hongo, Tokyo 113-0033, Japan Keywords: Silician magnetite, Hydrothermal condition...Produced Metals Max. SiO2 Remarks (Prefecture) wt % 1 Akagane Iwate Fe,Cu,Ag,Au 1.4 2 Yaguki Fukushima...felsic dike Locality name is given as prefecture name in Japan, except for 24 Eagle Mountain, USA. Produced |  | | Report (issue) | | mineral col lector, was born in Kanazawa, Ishikawa Prefecture, on August 30, 1874. Soon after his graduation...at the Arakawa Mine, Akita Prefecture. In 1909, he was promoted to Director of the Mine and held. the...then that of the Director of the Yoshioka Mine, Okayama Prefecture, for about seven years altogether. He...technology in the first half of this century in Japan. He retired from the Advisory Board of the Mitsu...such volumes as " Beiträge zur Mineralogie von. Japan ", Neue Folge I and II (T. Ito, 1937), " Japanese |  | | Journal (article/letter/editorial) | | mode of occurrenceof the skarn-typeore depositsin Japan, ore-bearing skarn is, with a few exceptions,definedby...range of 550øC and 600øC. The barren skarn at Fuka (Japan), which is similar in many respectsto that of Kilchoan...The vesuvianite-bearing skarn of the Mitate mine (Japan) formed at a lower temperature comparedto that...vesuvianite-bearing skarn of the Chichibumine (Japan) is presumedto have formed at a still lower temperaturebut...in Japan. From depositsof this the writer tries, on the basis of mineral assemblages type, Japan has |  | | Journal (article/letter/editorial) | | Skarn-type Pb-Zn-Ag Deposit at the Kamioka Mine, Central Japan: A Thermochemical Study Soichi OMORI* and...Mozumi skarn-type Pb-Zn-Ag deposit, Kamioka mine, Central Japan is discussed with silicate phase equilibria...Research Institute, Waseda University, Tokyo 169-8050, Japan [e-mail:soichi@mn.waseda.ac.jp] ** Natsumidai 1-2-6-201...1-2-6-201, Funabashi, Chiba 273-0866, Japan Keywords: skarn, solid solution, CaO-FeO-Al2O3-SiO2-O2CO2-H2O...Pyrrhotite Freibergite b 20 Arsenopyrite Magnetite Hematite Electrum Fig. 1 Mineral successions in the clinopyroxene-Zn-Pb | | | Journal (article/letter/editorial) | | RESOURCES OF JAPAN BY Kinosuke Inouye, Rigakultakuski, Directorof the ImperialGeologicalSurvey of Japan. The...magnetite and bog iron ores, though small amounts of hematite, limonite, and iron sand have also been smelted...which far exceeds the home production. The Kamaishi mine furnishes about half of the home production...known, are practically confind to magnetite and hematite in the Palaeozoic near the contact with igneous...thinness and limited extent. Bedded magnetite or hematite deposits in spite of their large extent are not |  | Laverov, N. P., Petrov, V. A., Poluektov, V. V., Nasimov, R. M., Hammer, J., Burmistrov, A. A., Shchukin, S. I. (2008) The Antei uranium deposit: A natural analogue of an SNF repository and an underground geodynamic laboratory in granite. Geology of Ore Deposits, 50 (5) 339-361 doi:10.1134/s1075701508050012 | Journal (article/letter/editorial) | | (Äspö), Canada (Whiteshell), Switzerland (Grimsel), Japan (Mizunami), and Finland (ONKALO), as well as the...Palmottu (Finland), Sanerliu (China), and Kamaishi (Japan) deposits, are considered in the paper. The...Paleozoic granite at a depth of 400–1000 m and opened by mine workings at six levels, is such an object. Its geological...features, stress–strain state, and infrastructure of mine workings offer an opportunity to study the entire...Canada, Grimsel in Switzerland, and Mizunami in Japan. The ONKALO research tunnel in Finland pertains |  | | Journal (article/letter/editorial) | | tain vonsenite showed cores was the in visible hematite of quantity The nonmagnetic fraction.* some Fe...1920);Monte Cimino, Italy (Federico,1957);Kamaishi mine, fwate prefecture,Japan (Watanab6 and Ito, 1954); and Jayvilie...is 1.25miles east of the hamlet of Kalurah. The mine workings are on the east and west flanks of a row...secondary hematite cut both gangue and vonsenite. Ragged, crudely bladed patches of hematite replace the...vonsenitegrains show thin partial rims of hematite. commonly the hematite rim is confined to a singie edge of |  | | Journal (article/letter/editorial) | | Pacific Basin CHARLESF. PARK,JR. Abstract Magnetite-hematite bodies are widely distributed throughout the highly...no exceptionto the genposits,and 3) magnetite-hematite depositsthat in- eralizationthat iron depositsof...a resultof the broadgeneralexamination, netite-hematite lensesis irregularlydistributedalong a pattern...analysesgave 52 percentof iron in hematite.- Salas thinks that the hematite is a primary constituentand that...flowsof nearly pure magnetite,locally oxidizedto hematite,havebrokenthrougha sequence of tuffs and flowsand |  | | Journal (article/letter/editorial) | | clearlydemonstrated in the Inner Zoneof southwestern Japan. The Cu- and Zn-Pb-richbeltsare recognizedin the...vein-type deposits in the Inner Zoneof southwestern Japan. This suggests that the precipitation of basemetalsin...of pyrometasomatic (skarn) depositsare known in Japan. They are related geneticallyto acidicand inter...out during the past 31 years, 1941-1971, from each mine were calculated usingunpublishedAnnual Reportsof...which have profeaturesof pyrometasomatic depositsin Japan are ducedlarge amountsof metals, the calculatedmetal |  | | 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) | | J. Japan. Assoc. Min. Petr. Econ. Geol. 78, 325-338, 1978. ON THE FORM COPPER AND ORES THE IN...Fwyukawa Co., OF MINE , , CANADA KAmuRA Ltd., Tokyo The Oro Denoro Copper mine is one of the contact...at this mine and other mines around it from 1956 to 1968. The geology of the Oro Denoro mine consists...metallic gangue minerals are pyrite, magnetite, hematite, pyrrhotite and other iron ores. (2) The zone...in Japan. INTRODUCTION The Oro contact metasomatic Boundary seems Denoro District, of mine deposits |  | | Book | | G - EOLOGICAL OF THE MINERI IN JAPAN AND Hideki Imai t z0 ::a:: 0 0 � I ( CRYSTALS NOT PISTOLS...STUDIES OF THE MINERAL DEPOSITS'( GEOLOGICAL lN JAPAN AND EAST ASIA ,,.. I -I �1n .. o� ;.,. "W...GEOLOGICAL STUDIES OF THE MINERAL DEP OSITS IN JAPAN AND EAST ASIA Hideki Imai UNIVERSITY OF TOKYO PRESS...TOKYO PRESS, 1978 UTP 3044-687 59-5 I 49 Printed in Japan All rights reserved. No part of this publication...During these 40 years, I studied the ore deposits in Japan and East Asia from the geological and mineralogical |  | | 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) | | Two types of ores are recognized in the Huanzala mine, Peru. Zinc and lead ore of adularia-sericite type...copper ores from the Teine mine, Hokkaido, Japan and the Chinkuashih mine, Taiwan are acid-sulfate type...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...Huanzala deposits are summarized as follows. The mine is situated in central Peru, about 250 km north |  | | Journal (article/letter/editorial) | | at the Ohori Base Metal Deposit, Yamagata Prefecture, NE Japan: C, O and S Isotopic Study Yu Yokoro,1 Takahiro..., Yamagata, Japan, 2Tono Geoscience Center, Japan Atomic Energy Agency, Yamagata, Japan and Department...Environmental Sciences, Yamagata University, Yamagata, Japan 3 Abstract The Ohori ore deposit is one of the...Cu–Pb–Zn deposits in the Green Tuff region, NE Japan, and consists of skarn-type (Kaninomata) and vein-type...than those of the Cretaceous skarn deposits in Japan. These isotope ratios of the Kaninomata skarn show | | WATANABE, MAKOTO, SOEDA, AKIRA, OHTANI, TOSHIYUKI (1978) Skarnization and ore deposition at the Maruyama deposit, Tsumo mine, Southwest Japan, with particular emphasis upon their intimate associations. The Journal of the Japanese Association of Mineralogists, Petrologists and Economic Geologists, 73 (10) 283-299 doi:10.2465/ganko1941.73.283 | Journal (article/letter/editorial) | | J. Japan. Assoc. Min. Petr. Econ. Geol.7 3, 283-299, 1978 SKARNIZATION AND ORE DEPOSITION AT THE MARUYAMA...MARUYAMA DEPOSIT, TSUMO MINE, SOUTHWEST JAPAN, WITH PARTICULAR EMPHASIS UPON THEIR INTIMATE ASSOCIATIONS*...Hiroshima 730,Japan. and TOSHIYUKI OHTANI JapanMaritime SelfDeffense Forces,Kanoya, Japan. INTRODUCTION...Tsumo mine is located about 20km southeast of Masuda City, Shimane Prefecture, Southwest Japan (Fig.... 1). The ore deposits of the mine are of contact meta somatic origin and have so far been mined mainly |  | OHKAWA, Makio, MIYAHARA, Masaaki, OHTA, Eri, HOSHINO, Kenichi (2007) Silicon-substituted magnetite and accompanying iron oxides and hydroxides from the Kumano mine, Yamaguchi Prefecture, Japan: Reexamination of the so-called maghemite (γ-Fe2O3) Journal of Mineralogical and Petrological Sciences, 102 (3) 182-193 doi:10.2465/jmps.050706 | Journal (article/letter/editorial) | | oxides and hydroxides from the Kumano mine, Yamaguchi Prefecture, Japan: Reexamination of the so-called maghemite...Hiroshima University, Higashi − Hiroshima 739 − 8526, Japan ** Present address: Institute of Mineralogy, Petrology...Science, Tohoku University, Sendai 980 − 8578, Japan Iron oxides and hydroxides found in the so − called...bearing iron oxide ores from the Kumano mine, Yamaguchi Prefecture, Japan have been investigated using polarizing...with trace amounts of Al and Ca, and that only hematite and goethite are found as alteration products |
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