 | OGATA, Takeyuki, ISHIYAMA, Daizo, MIZUTA, Toshio, NAKASHIMA, Kazuo (2002) Coexistence of a Fluid Phase with Granitic Magma: Geochemical Characteristics of REE and Cu in Miyako Granite and in Scheelite-bearing Aplitic Veins at the Yamaguchi Cu-W Skarn Deposit, Iwate, Japan. Resource Geology, 52 (2) 173-186 doi:10.1111/j.1751-3928.2002.tb00129.x | Journal (article/letter/editorial) | | Scheelite-bearing Aplitic Veins at the Yamaguchi Cu-W Skarn Deposit, Iwate, Japan Takeyuki OGATA, Daizo ISHIYAMA...Resources Science, Akita University, Akita 010-8502, Japan [e-mail: takeyuki_ogata@galena.mine.akita-u.ac.jp]...Science, Yamagata University, Yamagata 990-8560, Japan Received on October 9, 2001; accepted on March 22...located in the Northern Kitakami belt, Northeast Japan. The formation of the scheelite-chalcopyrite-magnetite-bearing...and scheelite-chalcopyrite-magnetite-bearing Yamaguchi skarn deposit was closely associated with the |  | | Journal (article/letter/editorial) | | Strata-Bound Scheelite Skarns in the Riba de Alva Mine, Northeastern Portugal L. MIGUEL GASPARâ Departamento...metasediment-hosted distal scheelite skarns from the Riba de Alva mine, Barca de Alva-EscalhĂŁo region, northeastern Portugal...1997; Gaspar and Inverno, 1998a) in the Riba de Alva mine, northern Portugal, one of the scheelite-mineralized...discovery of mineralization dates back to 1948 and the mine workings, both on the surface and underground, were...from 1951 to 1978, with MIRAL and METAMERQUE as mine operators. According to the last report (METAMERQUE |  | Elongo, V, Lecumberri-Sanchez, P, Legros, H, Falck, H, Adlakha, E, Roy-Garand, A (2020) Paragenetic constraints on the Cantung, Mactung and Lened tungsten skarn deposits, Canada: Implications for grade distribution. Ore Geology Reviews, 125. 103677pp. doi:10.1016/j.oregeorev.2020.103677 | Journal (article/letter/editorial) | | anticline plunging to the NE and intruded by the Mine 107 Stock, a peraluminous S-type medium-grained...monzogranite (Mathieson and Clark, 1984; 108 Fig. 2). The Mine Stock (101.15 ± 0.44 to 98.2 ± 0.4 Ma from U-Pb...albite (Na), Itrongay sanidine (K), and Navegadora Mine spessartine-almandine (Mn). 174 For Ba-bearing...(Dick and Hodgson, 1982), and iii) apatite and titanite 210 because of their potential as chronometers...commonly overgrown by euhedral 230 ”m-sized titanite. Late stage vesuvianite occurring as replacement |  | | Journal (article/letter/editorial) | | important amounts of anorthite, zoisite, apatite, titanite, quartz, and sulfides, mainly pyrrhotite. The...out the initial exploration. During the Los Santos mine feasibility study, over 10,000 m of trenches and...Scheelite Sillimanite Spessartine Sphalerite Spinel Titanite Uraninite Vesuvianite Wairakite Wollastonite Wolframite...rocks. The D facies has only been identified at mine scale and outcrops as small, irregular meter-sized...identified in the underground workings of the Los Santos mine (Fig. 4A). This pegmatitic zone contains arborescent |  | | Book | | G - EOLOGICAL OF THE MINERI IN JAPAN AND Hideki Imai t z0 ::a:: 0 0 ïżœ I ( CRYSTALS NOT PISTOLS...STUDIES OF THE MINERAL DEPOSITS'( GEOLOGICAL lN JAPAN AND EAST ASIA ,,.. I -I ïżœ1n .. oïżœ ;.,. "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 |  | | 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 |  | ZuÌrcher, Lukas, Ruiz, JoaquiÌn, Barton, Mark D. (2001) Paragenesis, Elemental Distribution, and Stable Isotopes at the PenÌa Colorada Iron Skarn, Colima, Mexico. Economic Geology, 96 (3) 535-557 doi:10.2113/gsecongeo.96.3.535 | Journal (article/letter/editorial) | | diorite-carbonate contact in the western sector of the mine. High Ti magnetite from this zone contrasts with...veins with wide kaolinite alteration halos. In the mine area, aplitic dikes related to this intrusive event...Puerto Vallarta batholith and the El Encino iron mine areas (PantojaAlor, 1983). Sierra El Mamey, the...Peña Colorada is approximately 750 m thick. The mine-scale geologic map and 536 537 PEĂA COLORADA...volcaniclastic unit Building FIG. 2. a. Peña Colorada mine-scale geology, alteration, and mineralization. |  | | Journal (article/letter/editorial) | | This skarn zone occurs close to the Ayazma Cu-Au mine. Eurogold Corporation undertook geochemical surveys...and amphibole, together with quartz, chlorite, titanite, calcite, and apatite as subordinate or accessory...and amphibole, together with quartz, chlorite, titanite, calcite, and apatite as subordinate or accessory...1980, Tungsten skarn deposit of the Fujigatani mine, southwest Japan: ECONOMIC GEOLOGY, v. 75, p. 1066â1082 |  | Hart, Craig J. R., Mair, John L., Goldfarb, Richard J., Groves, David I. (2004) Source and redox controls on metallogenic variations in intrusion-related ore systems, Tombstone-Tungsten Belt, Yukon Territory, Canada. Earth and Environmental Science Transactions of the Royal Society of Edinburgh, 95 (1). 339-356 doi:10.1017/s0263593300001115 | Journal (article/letter/editorial) | | fractionated, slightly oxidised, contains magnetite and titanite, and has primary, but no xenocrystic, zircon....and late mafic phases, moderately reduced with titanite dominant, and has xenocrystic zircon. The Tungsten...northern margin of the Selwyn Basin between Dawson City and the NWT border (Fig. 1). Furthermore, Mortensen...augite. Fe-Ti accessory phases are magnetite and titanite; other accessory minerals include zircon, fluorite...(aegerine-augite) >hornblende>biotite Magnetite>titanite Epidote, allanite, melanite, apatite, fluorite |  | | Journal (article/letter/editorial) | | fractionated, slightly oxidised, contains magnetite and titanite, and has primary, but no xenocrystic, zircon....and late mafic phases, moderately reduced with titanite dominant, and has xenocrystic zircon. The Tungsten...northern margin of the Selwyn Basin between Dawson City and the NWT border (Fig. 1). Furthermore, Mortensen...augite. Fe-Ti accessory phases are magnetite and titanite; other accessory minerals include zircon, fluorite...(aegerine-augite) >hornblende>biotite Magnetite>titanite Epidote, allanite, melanite, apatite, fluorite |  | | Journal (article/letter/editorial) | | intermediate composition (Boyle 1979; Meiner 1989). In Japan, gold is preferentially concentrated in the epidote-rich...Mountains, Yukon, and those mined at the Nickel Plate Mine, British Columbia (Lamb et al. 1957) with an average...later paragenesis of quartz, calcite, chlorite, titanite and sulphides replaces the calsilicate along veinlets...J., Busch, J.B. and Williams, C.T.: Nickel Plate mine, Hedley, B.C. In: Structural Geology of Canadian...K.: Tungsten skarn deposit of the Fujigatani Mine, southwest Japan. Econ. Geol. 75:1066-1082 (1980) Schenberger |  | Zhang, Weifeng, Chen, Huayong, Peng, Lianhong, Zhao, Liandang, Lu, Wanjian, Zhang, Zengjie, Yang, Juntao, Sun, Jie (2018) Ore genesis of the Duotoushan Fe-Cu deposit, Eastern Tianshan, NW China: Constraints from ore geology, mineral geochemistry, fluid inclusion and stable isotopes. Ore Geology Reviews, 100. 401-421 doi:10.1016/j.oregeorev.2017.02.021 | Journal (article/letter/editorial) | | sub-stages, consisting of magnetite-amphibole ± titanite (stage III-A), magnetite-amphibole-epidote (stage...III-B) and epidote-magnetite-quartz ± amphibole ± titanite ± pyrite (stage III-C) mineral assemblages. The...consist of a mixture of amphibole, epidote, quartz, titanite and chlorite, commonly develop as the alteration...clinoamphibole, albite, epidote, chlorite, quartz, titanite and calcite being the nonmetallic minerals....various proportions of amphibole, epidote, quartz, titanite and sulfides. Based on the different mineral assemblages |  | | Journal (article/letter/editorial) | | Quartz Calcite Fe-Mg-carbonates Sericite/muscovite Titanite Apatite Pyrite Pyrrhotite Chalcopyrite Scheelite...amphibole, chlorite, locally calcite and accessory titanite, ilmenite, and pyrrhotite. Altered mafic volcanic... clinozoisite, chlorite, andesine-oligoclase, titanite, scheelite, and pyrrhotite (Fig. 7a, b). Prograde...assemblages (Fig. 6dâg). Calcite, clinozoisite, titanite, scheelite, pyrrhotite, and chalcopyrite are locally...metal skarn deposits, such as CanTung, MacTung, Fujigatani, and Salau- Fe2O3/FeO 10 Oxidized Kordonnoe |  | | Journal (article/letter/editorial) | | 0â10% hornblende, 0â5% biotite and 0â3% apatite, titanite and magnetite (Mollai, 1993). Some feldspars display...specularite, wollastonite, cerussite, gehlenite, and titanite are also present. Ore minerals within the endoskarn...Geology of the Mazraeh skarn deposit At the Mazraeh mine, the Cretaceous sedimentary and metavolcanic rocks...oxene skarn. Fig. 3. Geological map of Mazraeh mine (modiïŹed after Haj Hosseini, 1981 and Mollai, 1993)...microthermometric behaviour? Report of the Geological Survey of Japan, vol. 279, pp. 26â30. Bodnar, R.J., 1993. Revised |  | Zhao, Chun-tao, Sun, Jing-gui, Chu, Xiao-lei, Qin, Ke-zhang, Ren, Liang, Xu, Zhi-kai, Liu, Yang, Han, Ji-long, Bai, Cheng-lin, Shu, Wang (2021) Metallogeny of the Ergu Fe-Zn polymetallic deposit, central Lesser Xingâan Range, NE China: Evidence from skarn mineralogy, fluid inclusions and H-O-S-Pb isotopes. Ore Geology Reviews, 135. 104227pp. doi:10.1016/j.oregeorev.2021.104227 | Journal (article/letter/editorial) | | Nakano et al. (1994) studied 46 skarn deposits in Japan and found that the Mn/Fe ratio of pyroxene is lower...manager and Lingmin Wang engineer from the Ergu mine for assistance during fieldwork. This work was supported...isotopic compositions and genesis of polygenetic titanite from the Baogutu reduced porphyry Cu deposit,... Ling X.X., McInnes B.I.A., Zhao J.X., 2021a. Titanite in situ SIMS UâPb geochronology, elemental and...1980. Tungsten skarn deposit of the Fujigatani mine, southwest Japan. Econ. Geol. 75 (7), 1066â1082. Schwinn |  | | 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...Probe analysis, optics, x-ray data from Yamaguchi Pref., Japan. AIKINITE. Nakashima et al., J. Jpn. Assoc |  | Sui, Ji-Xiang, Li, Jian-Wei, Wen, Guang, Jin, Xiao-Ye (2017) The Dewulu reduced Au-Cu skarn deposit in the Xiahe-Hezuo district, West Qinling orogen, China: Implications for an intrusion-related gold system. Ore Geology Reviews, 80. 1230-1244 doi:10.1016/j.oregeorev.2016.09.018 | Journal (article/letter/editorial) | | minerals including ilmenite, zircon, apatite, titanite and rare magnetite. The rocks contain abundant...epidote and chlorite (Fig. 4b, c), with minor titanite, apatite and rutile. ACCEPTED MANUSCRIPT These...commonly accompanies with actinolite, epidote and titanite. Abundant irregular loellingite grains are included...many ilmenite-series granitoids such as those in Japan (-11 to +2 per mil; Sasaki and CE P Ishihara,...(Fig. 1; Liu et al., 2011a). In the Zaozigou gold mine, prolonged magmatism has produced numerous dikes |  | Soloviev, Serguei G., Kryazhev, Sergey G., Dvurechenskaya, Svetlana S. (2020) Geology, mineralization, and fluid inclusion characteristics of the Agylki reduced tungsten (W-Cu-Au-Bi) skarn deposit, Verkhoyansk fold-and-thrust belt, Eastern Siberia: Tungsten deposit in a gold-dominant metallogenic province. Ore Geology Reviews, 120. 103452 doi:10.1016/j.oregeorev.2020.103452 | Journal (article/letter/editorial) | | comprise weakly reduced-weakly oxidized (ilmenite-titanite-bearing), high- to medium-K calc-alkaline, metaluminous...rocks include zircon, apatite, ilmenite, allanite, titanite, and rutile. Sagenite is locally present in biotite...this is consistent with the presence of ilmenite, titanite and rutile and indicates transitional ilmenite-...parental plutonic suite at Agylki comprises ilmenite-titanite-bearing, medium- to high-K calc-alkaline, metaluminous...comprise weakly reduced-weakly oxidized (ilmenite-titanite-bearing), high- to medium-K calcalkaline, metaluminous |  | Zahedi, Azam, Boomeri, Mohammad, Nakashima, Kazuo, Mackizadeh, Mohammad Ali, Ban, Masao, Lentz, David R. (2014) Geochemical Characteristics, Origin, and Evolution of Ore-Forming Fluids of the Khut Copper Skarn Deposit, West of Yazd in Central Iran. Resource Geology, 64 (3) 209-232 doi:10.1111/rge.12037 | Journal (article/letter/editorial) | | Environmental Sciences, Yamagata University, Yamagata, Japan, 3Department of Geology, Faculty of Sciences, University...deposit is located at about 50 km northwest of Taft City in Yazd province in the middle part of the Urumieh-Dokhtar...University, 1-4-12 Kojirakawa-machi, Yamagata 990-8560, Japan. Email: nakashi@sci.kj.yamagata-u.ac.jp © 2014 The...about 120,000 tons at 1 to 10% Cu in one part of the mine (Khoie et al., 1999). Other skarn deposits in the...distributed in the southwest to northwest of Yazd City (Fig. 1). These deposits mainly occur in limestone |  | Soloviev, Serguei G., Kryazhev, Sergey G., Dvurechenskaya, Svetlana S. (2019) Geology, mineralization, and fluid inclusion characteristics of the Meliksu reduced tungsten skarn deposit, Alai Tien Shan, Kyrgyzstan: Insights into conditions of formation and regional links to gold mineralization. Ore Geology Reviews, 111. 103003 doi:10.1016/j.oregeorev.2019.103003 | Journal (article/letter/editorial) | | pluton that comprises ilmenite-series to ilmenite-titanite-bearing, medium-K, metaluminous to peraluminous...which defines it as being reduced; however, minor titanite, together with dominant ilmenite, indicates weakly...tonalitegranodiorite includes plagioclase (oligoclase), titanite, dark-green amphibole, quartz, calcite, and pyroxene...albite, muscovite (sericite), and quartz, locally titanite and apatite, and the outermost parts contain carbonate...association with a pluton of ilmenite- to ilmenite-titanite-series, absolute dominance of pyroxene skarn (with |  | St. Seymour, Karen, Tombros, Stylianos, Mastrakas, Nickolaus, Zouzias, Dimitrios, Spry, Paul G., DĂ©nĂšs, GĂ©orge, Kranidiotis, Prokopis (2009) Scheelite skarn mineralization associated with the Tinos pluton, Cyclades. Neues Jahrbuch fĂŒr Mineralogie - Abhandlungen, 186 (1) 37-50 doi:10.1127/0077-7757/2009/0135 | Journal (article/letter/editorial) | | euhedral apatite, amphibole and minor chlorite and titanite (Fig. 4c). However, where the pore spaces are...(1980): Tungsten skarn deposit of the Fujigatani mine, Southwest Japan. â Econ. Geol. 75: 1066â1082. Shepherd |  | Soloviev, Serguei G., Kryazhev, Sergey G., Dvurechenskaya, Svetlana S. (2017) Geology, mineralization, and fluid inclusion characteristics of the Lermontovskoe reduced-type tungsten (±Cu, Au, Bi) skarn deposit, Sikhote-Alin, Russia. Ore Geology Reviews, 89. 15-39 doi:10.1016/j.oregeorev.2017.06.002 | Journal (article/letter/editorial) | | the dominance of ilmenite and minor rutile and titanite, indicates reduced (ilmeniteseries, after Ishihara...minerals include calcite, chlorite, plagioclase, and titanite. There is a distinct zonation of hydrosilicate... A very specific plagioclase-rich (with minor titanite, phlogopite, amphibole, and chlorite) assemblages...resulting in a Ca-plagioclase-quartzamphibole +titanite +biotite) assemblage (cf. Hunt and Kerrick, 1977;...1980. Tungsten skarn deposit of the Fujigatani mine, Southwest Japan. Econ. Geol. 75, 1066-1082. Sato, |  | Soloviev, Serguei G., Kryazhev, Sergey G., Dvurechenskaya, Svetlana S. (2017) Geology, mineralization, stable isotope, and fluid inclusion characteristics of the Vostok-2 reduced W-Cu skarn and Au-W-Bi-As stockwork deposit, Sikhote-Alin, Russia. Ore Geology Reviews, 86. 338-365 doi:10.1016/j.oregeorev.2017.02.029 | Journal (article/letter/editorial) | | calcite, K-feldspar, plagioclase, with accessory titanite, ilmenite and trace pyrrhotite (Fig. 5). Biotite...calcite, oligoclase-albite, epidote-zoisite, and titanite. Amphibole is especially abundant in the outer...meta-aluminous to weakly peraluminous, moderately reduced titanite-dominant plutonic suites, which are parental for...Cretaceous-Paleogene ore deposits of Southwest Japan: Bull. Geol. Surv. Japan, v. 53(5/6), p. 461-477. Izosov, L...1980, Tungsten skarn deposit of the Fujigatani mine, Southwest Japan: Economic Geology, v. 75, p. 1066-1082 |  | | Journal (article/letter/editorial) | | plagioclase (<5%). Both units contain accessory titanite, apatite, and zircon, without inherited zircons...garnets from the Kuga, Fujigatani and Kagata scheelite 13 skarn deposits in Japan (Sps5.8â51.2Alm5â31...andradite associated with pyroxene in the Plavno Mine of the Krusne Hory Mountains of the Czech Republic... F., 1965. Tin-containing andradite from Plavno mine in the KruĆnĂ© Hory Mts, Czechoslovakia. Mineralogical...SnO2 1.44% (?) also see Deer et al., 1982 Plavno Mine in the Krusne Hydrothermal garnets occurs with |  | Amstutz, G. C., Goresy, A. El, Frenzel, G., Kluth, C., Moh, G., Wauschkuhn, A., Zimmermann, R.A. - Eds. (1982) Ore Genesis. Springer Berlin, Heidelberg. doi:10.1007/978-3-642-68344-2 | Book | | block I experienced recently when visiting a gold mine in virtually unmetamorphosed ground. A fault cuts..."common sense" observations described from the gold mine with the chert and the organic matter. Another potent...Alterations of Conglomeratic Uranium Ores, Pronto Mine, Ontario, Canada E.Wm. Heinrich (With 1 Figure)...Observations on Ore Rhythmites of the Trzebionka Mine, Upper Silesian-Cracow Region, Poland L. Fontbote...the Cobaltite-Gersdorffite Series from the Raipas Mine, Finnmark, Norway F.M. Vokes and G.S. Strand (With |
|
