 | | Journal (article/letter/editorial) | | demonstrates that one silician magnetite has a maghemite -like structure by the omission of ferrous iron...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...magnesioferrite (MgFe2O4), ulvöspinel (Fe2TiO4) and maghemite (γ-Fe2O3), and limited solid solution with other...Institute, University of Tokyo Hongo, Tokyo 113-0033, Japan Keywords: Silician magnetite, Hydrothermal condition |  | | 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...fluctuation of ordinary magnetite displaced to maghemite II represents side. It is presumed that this...釜 石鉱 山 よ り産 す る酸 化 鉱 とし て磁 鉄 鉱 赤 鉄 鉱 磁 赤 鉄 鉱(maghemite), 褐鉱(武 石 を含 む)の 各種 を挙 げ るて とが 出 来 る。 こ れれ 等 の |  | 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) | | from the Kumano mine, Yamaguchi Prefecture, Japan: Reexamination of the so-called maghemite (γ-Fe2O3) Makio...Hiroshima University, Higashi − Hiroshima 739 − 8526, Japan ** Present address: Institute of Mineralogy, Petrology...Sendai 980 − 8578, Japan Iron oxides and hydroxides found in the so − called maghemite − bearing iron oxide...oxide ores from the Kumano mine, Yamaguchi Prefecture, Japan have been investigated using polarizing...results show that the iron oxide described as maghemite by Shibuya is actually magnetite, showing a compositional |  | | Journal (article/letter/editorial) | | considered as linear combination mechanism 2b and maghemite replacement 4: or 3+ VI 3+ IV [Fe3+]VI[Fe2+]VI[Fe3+]IVO4...configuration are very similar to those in a cubic maghemite structure as reported by Shmakov et al. (1995)...magnetite and instead resulted in the formation of maghemite at temperatures up to 550 °C. The presence of...from the Kumano mine, Yamaguchi Prefecture, Japan: Reexamination of the so-called maghemite (g-Fe2O3). Journal...Shiga, Y. (1988) Silician magnetite from the Kamaishi Mine, Japan. Mining Geology, 38, 5, 437–440. ——— (1989) |  | | 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 |  | González, Elías, Kojima, Shoji, Ichii, Yoshihiko, Tanaka, Takayuki, Fujimoto, Yoshikazu, Ogata, Takeyuki (2018) Silician Magnetite from the Copiapó Nordeste Prospect of Northern Chile and Its Implication for Ore-Forming Conditions of Iron Oxide–Copper–Gold Deposits. Minerals, 8 (11) 529 doi:10.3390/min8110529 | Journal (article/letter/editorial) | | 2-3, Shiba 4-Chome, Minato-ku, Tokyo 108-0014, Japan; ichii_yoshihiko@nmconsults.co.jp International...University, 1-1 Tegata-Gakuen Machi, Akita 010-8502, Japan; take-ogt@gipc.akita-u.ac.jp Correspondence: el...is situated approximately 45 km northeast of the city of Copiapó The Copiapó Nordeste prospect is situated...situated approximately 45 km northeast of the city of Copiapó Chile (27◦ 010 S, 70◦ 060 W) and is part of...emissionelectron microprobe analyzer (JEOL, Akishima, Japan) in the conventional wavelength dispersion method |  | Ciobanu, Cristiana L., Verdugo-Ihl, Max R., Slattery, Ashley, Cook, Nigel J., Ehrig, Kathy, Courtney-Davies, Liam, Wade, Benjamin P. (2019) Silician Magnetite: Si–Fe-Nanoprecipitates and Other Mineral Inclusions in Magnetite from the Olympic Dam Deposit, South Australia. Minerals, 9 (5) 311 doi:10.3390/min9050311 | Journal (article/letter/editorial) | | spinel-type structures and a γ-Fe1.5 SiO4 phase with maghemite structure. These are distinct from one another...of nanoprecipitates with spinel structure into maghemite via Fe-vacancy ordering. Such mineral associations...O4 ), and (ii) ilmenite (FeTiO3 ) and hematite/maghemite, which define the titanomagnetite and hemoilmenite...and ferric ions in samples from the Kamaishi Cu–Fe skarn, Japan. Magnetite with various contents of SiO2...incorporation with vacancies leading to structures kin to maghemite. The latter is known for a variety of crystal |  | | Book (edition) | | 05-10 Ilmenite IV/C.05-20 Pyrophanite IV/C.05-30 Maghemite IV/C.06-10 Högbomite IV/C.07-10 Magnetoplumbite...(yellowish white), quartz (dark grey); New Bullfrog mine, Nye Co., Nevada, USA [h]; Nic. // Anhedral electrum...(greenish grey), quartz (dark grey); New Bullfrog mine, Nye Co., Nevada, USA [h]; Nic. // Anhedral electrum...(bluish grey shades), quartz (dark grey); New Bullfrog mine, Nye Co., Nevada, USA [h]; Nic. // 8 Gold A ...sample - photo A), dolomite (dark grey); Harstigen Mine, Pajsberg, Filipstad, Värmland, Sweden [j]; Nic |  | | Book (edition) | | equivalents (e.g., JADE deposit, Okinawa Trough, Japan). Thus, metasomatic/metamorphic overprinting is...bluish grey Plumboferrite Bartonite isotropic Maghemite strong blue slight to strong weak to moderate... Mineral Descriptions Molybdenite in Graphite; Bogala Mine, Sri Lanka 51 Copper, native Synonym(s): Cuivre...of cuprite (bluish grey); North Mine (North Broken Hill Mine; NBH Mine), Broken Hill, Yancowinna Co.,...vein in jasper (red internal reflections); Madenköy Mine, Çayeli, Rize Province, Black Sea Region, Turkey |  | | Journal (article/letter/editorial) | | M—mullite, Mh—maghemite, Kh—khamrabaevite, Im—ilmenite, M—mullite, Na—NaAlSiO Mh—maghemite, Na—NaAlSiO...fluorapatite. Another potentially admixed phase was maghemite, γ-Fe2 O3 —a typical component of a number of...cristobalite, tridymite-M, hematite, ilmenite, maghemite, hausmannite (Mn3 O4 ), tilleyite, phlogopite...fit to the major reflections observed. Trace maghemite was still possible at 860 ◦ C. At 900 ◦ C, fayalite...magnesioferrite could be confirmed via the 2.529 Å signal. Maghemite may have existed as both isometric (2.511 Å) and |  | Otofuji, Yo-ichiro, Uno, Koji, Higashi, Takahiro, Ichikawa, Tomomichi, Ueno, Tsuyoshi, Mishima, Toshiaki, Matsuda, Takaaki (2000) Secondary remanent magnetization carried by magnetite inclusions in silicates: a comparative study of unremagnetized and remagnetized granites. Earth and Planetary Science Letters, 180 (3) 271-285 doi:10.1016/s0012-821x(00)00169-2 | Journal (article/letter/editorial) | | Faculty of Science, Kobe University, Kobe 657, Japan Department of Geology, Faculty of Science, Himeji...Himeji Institute of Technology, Himeji 671-22, Japan Received 6 January 2000; received in revised form 6...remagnetized Cretaceous granitic rocks of northeast Japan were studied using paleomagnetism, rock magnetism...distributed in the Kitakami massif in northeast Japan. Magnetic carriers of the secondary magnetization...microscopy and SEM. 2. Kitakami granite in northeast Japan The Kitakami massif is situated on the Paci¢c Ocean |  | | Report (issue) | | Norte Cty, CA Santa Helena, Antioquia, Colombia Goto Mine, Luzan, P.I. References Wells, F. G. et al 1946...Geochemical Signature: Examples Daiquiri, Cuba Shinyana, Japan Fe, Cu, Co, Au, possibly Sn References Lindgren...Fe-rich bedded sediment containing goethite, maghemite, and quartz). DEPOSIT DESCRIPTION Ore Minerals;...Bailadores (Venezuela) Kidd Creek (Canada) Hanaoka (Japan) Macuchi, Equador References 3.2 (continued) Carlson...Regional Mn halos Examples References Sullivan mine, Canada Hamilton and others (1981) Sediment hosted |  | | Book (edition) | | Morocco; (center, left) wulfenite, San Francisco mine, Sonora, Mexico; (center) ameihyst, Veracruz, Mexico;...rnodochrosite, N’Chwaning mine, South Africa; (lower left, center) wulfenite, Red Cloud mine, Arizona; (lower...Pe Wr * se vat © C6 tad GAa Snive Sr Certain Mine (ax agry wh Oe ee — SS 4 eae wid Bharce ©...ye ty a ara id (ean ® “1 le hI AAP : oo A Mine seh Ranier “i i : lever vei ekealps ; cet ...coating fractures in sandstone at the Fuemrol No. 2 mine, Temple Mountain, Emery County, Utah; also sparsely | | | Book (edition) | | Morocco; (center, left) wulfen ite San Francisco mine, Sonora, Mexico; (center) amethyst, Veracruz, Mexico;...Mountains, Utah; (lower le ft) rhodochrosite, N'Chwaning mine, Sou th A frica; {lower left, center) wulfenite...coating fractures in sandstone at the Fuemrol No. 2 mine, Temple Mountain, Emery County, Utah; also sparsely...district, and at the Little Emma mine, Clear Creek County; at the Enterprise mine, Dolores County; at the Double...MODE OF OCCURRENCE: Found in waste piles in a coal mine in the L'vov-Volynskii basin, USSR. It is found |  | Hodges, C.A., Cox, D.P., Singer, D.A., Case, J.E., Berger, B.R., Albers, J.P. (1984) U.S. Geological Survey-INGEOMINAS mineral resource assessment of Colombia. Open-File Report Vol. 1984 (84-345) US Geological Survey doi:10.3133/ofr84345 | Report (issue) | | 1964, Aeromagnetic and geologic map of the Silver City Mining region, Grant County, New Mexico: U.S. Geological...is continental or transitional Skarn Cu (2.6) Mine Vlejs Los Guayabas (Tollma) Cranates (Hulla) Also...Cty, CA Santa Helena, Antioquia, Colombia Co to Mine, Luzan, P.I. References Wells, F. G. et al 1946...Geochemical Signature: Examples Daiquiri, Cuba Shinyana, Japan Fe, Cu, Co, Au, possibly Sn References Lindgren...Fe-rich bedded sediment containing goethite, maghemite, and quartz). DEPOSIT DESCRIPTION Ore Minerals: |  | | Book (edition) | | (Russia). Sven Karnp-Moller (Denmark). Akira Kato (Japan). Lance E. Keams (USA). Elisabeth Kirchner (Austria)...Mandarino (deceased) (Canada), Satoshi Matsubara (Japan). A.M. McDonald (Canada). Silvio Menchetti (ltaly)... J. Sejkora (Czcch Republic), Masaaki Shimizu (Japan), William B. Simmons (USA). C.J. Stanley (UK). France...Great Britain Bulletin of the Geo/ogical Survl'Y of Japan Bulletin lnstitute of Geology. Chinese Academy of...de la terres et des p/anetes Chemica/ Lellers (Japan) The Chemical News Cry.stal/ography Reports Comptes |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...(province), co. (county), munic. (municipio), pref. (prefecture), dept. (departement), dept. (departamento),...Mineralogical Abstracts MJJ - Mineralogical Journal of Japan MM - Mineralogical Magazine MP - Mineralogy and...Rice, Dolores co., both Colorado, at the Questa mine, Taos co., New 1994. Abernathyite K2[(UOJ 2l(AsO_J2]•6HzO...Harding Co .. South Dakota. and at the Fuemrole No2 mine, Emery co .. Utah. Also at Menzenschwand Scbwarzwald |  | | Book | | in southwestern Arizona. When used with a town or city this designation indicates the direction in which...Just, Perth, Australia; Richard Thomssen, Carson City, Nevada, USA; Peter Embrey, London, England; Jessie...K(U02)As04*3H20, Tet. Vitreous yellow. Fuemrole mine, Temple Mt., Emery Co., Utah, USA. H= 2-3, Djjj=...grey, bluish-grey, yellow, light green. Langban mine, Filipstad (near), Varmland, Sweden. H= 5, Djjj=3...5As30ig, E Rhom. Translucent blue-green. Terres mine, St. Ausdell, Cornwall, England and/or Johanngeorgenstadt |  | | Report (issue) | | (1979). Probe analyses (1) from Broken Hill gold mine, Coromandel , New Zealand. ACANTHITE. Nikolaeva...(1979). Probe analyses (4) from Broken Hill gold mine, Coromandel, New Zealand. AGUILARITE. Sugaki et... Probe analysis, x-ray data from Sanru mine, Hokkaido, Japan. AGUILARITE. Sugaki et al., J. Jpn. Assoc...65-77 (1982). Microprobe analyses (5) from Sanru mine, Hokkaido. AGUILARITE. Vassalo Morales and Borodaev...analysis, optics, x-ray data from Yamaguchi Pref., Japan. AIKINITE. Nakashima et al., J. Jpn. Assoc. Mineral |  | | Report (issue) | | Average composition from various types of ore, Thierry mine, Ont. ACANTHITE. Sakharova and Bryzgalov, Mineral...(1987) Analyses (not in abs.) from'Koryu mine, Hokkaido, Japan AIKINITE. Boldyreva (Zap. Vses. Mineral...Mineralog. Abstr. 34, 474 (1983) Analysis from Japan with Cr 20o 11.1$, a 6.498, b 14.457, c 5.678A,...(not in abstr.) from Osorezan geothermal area, Japan. ALUNITE. Aslanyan et al., (Dokl. Bolg. Akad. Nauk...(1983). Microprobe analyses (3) from Sanbagawa, Japan. AMPHIBOLE. Eremenko et al., (Mineral. Zh. 7(6) |  | | Report (volume) | | Center, Rm. 1C402, 12201 Sunrise Valley Dr. SALT LAKE CITY, Utah--Federal Bldg., Rm. 8105,125 South State St...and Yukio Togashi of the Geological Survey of Japan. Among the many geologists from private industry...based on considerations that extend far beyond the mine itself, in some instances relating to the overall...subject, as in a scale model of the workings of a mine, to a unifying concept that explains or describes...government believed might someday be economic ta mine. Stratiform deposits of large areal extent, such |  | | Book | | 1000° Mots inc. Native Gold on Quartz, Paymaster mine, South Porcupine, Ontario / Photo by Brian Boyle...Marquis imprimeur inc. Barite on Quartz, Rock Candy mine, Grand Forks, British Columbia / Photo by Ken Mayer...Mayer Publisher Pyromorphite, Society Girl mine, Moyie, British Columbia / Photo by Ken Mayer Mineralogical... Ontario Canada Diopside on Grossular, Jeffrey mine, Asbestos, Quebec / Photo by Jeffrey A. Scovil...including amateur col- lectors, company executives, mine owners, and vari- in the appropriate position. |  | | Book | | minerals, of rare occurrence, are lepidocrocite, maghemite, the tetragonal iron sulfide, greigite, smythite...precipi- tate as ferric oxide or hydrate (hematite, maghemite, goethite, lepidocrocite), as a ferrous-ferric...percent ‘M. Hematite-quartz ore (Devonian), Constanze mine, Lahn-Dill region, Germany N. Oolitic 2, Aca hematite...be slightly Quartz-banded hematite ore, Ortrann mine, Dunderland, Remy table 1, borehole sample 115/I1)... Specularite-magnetite iron-formation, Atlantic City district, Wyoming (Bayley, 1963, p. 10). Chip sample |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | California. Akira Kato: National Science Museum, Tokyo, Japan. Petr Korbel: Dept. of Mineralogy, National Museum...including Siberia ae SS shes] TM REED eS SL China and Japan 10. India 11. South east Asia 12. Middle East 13...Crytal Structure Communications Chemical Society of Japan Bulletin Colorado School of Mines Quarterly Crystal...International (English translation) Geochemical Journal (Japan) Geokhimiya Mineralogiya & Petrologiya Geophysical...Transactions Journal of the Clay Science Sciety of Japan Journal of the Chinese University Geosciences Journal |  | | Book | | Tertiary skarns are known (e.g. in Malaysia and Japan) but such regions are rare. Rundkvist suggests that...syngenetic base metal deposits (e.g. Kuroko-type, Japan). (f) Similar to (e) except that transport and...metals occurring in deposits related to them in Japan (after Ishihara, 1980). some skarns, depending...related epigenetic deposits with granite types in Japan show that all the Sn and most of the W produced...on a larger scale also occurs in the Old Hickory Mine, Beaver County, Utah, U.S.A. (Hobbs,1945). Here |
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