 | | Journal (article/letter/editorial) | | Environment of Noda-Tamagawa Manganese Ore, Northeast Japan: Constraints from Isotopic Studies Mohammed El Rhazi*...Sendai, Japan. Received: 27. 11. 2002 · Accepted: 31. 01. 2003 Abstract The Noda-Tamagawa mine, one of...of the biggest bedded manganese deposits in Japan, is located in the north of the Kitakami mountain range...that the sulfides in the rocks of the Noda-Tamagawa mine were formed during diagenesis by the intervention...the Noda-Tamagawa site. Key words: Noda-Tamagawa mine, metamorphism of sedimentary manganese deposit, |  | Haruna, M., Satoh, H., Banno, Y., Kono, M., Bunno, M. (2002) MINERALOGICAL AND OXYGEN ISOTOPIC CONSTRAINTS ON THE ORIGIN OF THE CONTACT-METAMORPHOSED BEDDED MANGANESE DEPOSIT AT NAGASAWA, JAPAN. The Canadian Mineralogist, 40 (4) 1069-1089 doi:10.2113/gscanmin.40.4.1069 | Journal (article/letter/editorial) | | CONTACT-METAMORPHOSED BEDDED MANGANESE DEPOSIT AT NAGASAWA, JAPAN MAKOTO HARUNA§ Geological Museum, National Institute...Technology, 1–1–1 Higashi, Tsukuba, Ibaraki, 305–8567, Japan HISAO SATOH§ AND YASUYUKI BANNO§ National Institute...305–8567, Japan MASAHIDE KONO Takata Cooperation, Inada, Kasama, Ibaraki, 309–1635, Japan MICHIAKI...Tsukuba, Ibaraki, 305–8567, Japan ABSTRACT The Nagasawa deposit, in Japan, is a Paleozoic to Mesozoic...then released and incorporated in chlorite- and pyrite-bearing assemblages during the diagenetic reconstitution |  | | Journal (article/letter/editorial) | | revised and accepted February 6, 1992 ) ABSTRACT Okita, P.M. and Shanks III, W.C., 1992. Origin of stratiform...were the principle causes of such ~2C enrichment. Pyrite content and sulfide ~ 34S-values also show distinctive...(avg. < - 21%0 CDT ) and abundant pyrite content suggest that pyrite formed from diagenetic, bacteriogenic...horizons typically contain only trace amounts of pyrite (e.g., < 0.5 wt% S) with ~ 34Svalues 34S-enriched...value for contemporaneous seawater. 34S-enriched pyrite from the Mncarbonate intervals indicates sulfide |  | | Journal (article/letter/editorial) | | of stratiform manganese carbonate ore PATRICKM. OKITA"*,J.BARRY MAYNARD’, ELLIOTT C. SPIKERS and ERIC...of carbon. The presence of only trace amounts of pyrite suggests sulfate reduction may have played a minor...can be found in ALEXANDRI and MARTINEZ (1988) and OKITA (1987). Regional stratigraphy is discussed by LONGORIA...content of 1.84 (a = 0.63, N = 6). Trace amounts of pyrite, typically ~0.5 weight-percent, occur in the ore...954, Reston, VA 22092, U.S.A. 2679 2680 P. M. Okita ef al Mexico \ Magnetite is abundant in the lower |  | | Journal (article/letter/editorial) | | in the westernportionof the re- graphicstudyby Okita (1983), barite occursasnodgion were developed and...regionotherthanthat at cite, and anhydrite. Most of the pyrite is finely disChamberlain Creek. It is of interest...elsewhere(Lambert, 1976; Hannak, 1981; nodules(Okita, 1983). The sedimentaryand diageKrebs, 1981; Mako...sandstoneup to 4 m thick dividesthe barite deposit of pyrite in the depositbecauseof the apparentre- into an...52.50 1377 1378 SCIENTIFIC COMMUNICATIONS pyrite for isotopicanalysis(G. N. Breit and M. B. Goldhaber |  | | Journal (article/letter/editorial) | | ationin the MolangoDistrict, Mexico PATRICK m. OKITA* U.S. Geological Survey,NationalCenter,Mail Stop954...(precursorto pyrite), andformationof Fe oxide.The latter two processes explainthe anomalously low pyrite andabundantmagnetite...oxideore is presentlyknown 1345 1346 PATRICK M. OKITA percent of the world manganeseresourceswere formed...oldestJurassic orehosts verylittlepyrite,whereas abundant pyrite unit in the areaandis composedof marineshaleand...of calcareous darkgrayto back 1348 PATRICK M. OKITA Palcogeographicreconstructionsof the district shale |  | Polgári, Márta, Németh, Tibor, Pál-Molnár, Elemér, Futó, István, Vigh, Tamás, Mojzsis, Stephen J. (2016) Correlated chemostratigraphy of Mn-carbonate microbialites (Úrkút, Hungary) Gondwana Research, 29 (1) 278-289 doi:10.1016/j.gr.2014.12.002 | Journal (article/letter/editorial) | | and sulfur isotopic compositions of associated pyrite and barite. Petrogenetic analysis and paleo-environmental... Kaplan, 1973; Hudson, 1982; Raiswell, 1982). Pyrite framboid size distribution is also a representative...such integrated example is the known occurrence of pyrite-bearing horizons within microbially-mediated laminated...Phanerozoic marine sediments (e.g. Molango, Mexico — Okita and Shanks, 1988; Moanda, Gabon — Hein et al., 1989;...are also distinctive to the ore body (reviewed in Okita and Shanks, 1988; Hein et al., 1989; Polgári et |  | Polgári, M., Hein, J.R., Vigh, T., Szabó-Drubina, M., Fórizs, I., Bíró, L., Müller, A., Tóth, A.L. (2012) Microbial processes and the origin of the Úrkút manganese deposit, Hungary. Ore Geology Reviews, 47. 87-109 doi:10.1016/j.oregeorev.2011.10.001 | Journal (article/letter/editorial) | | Meischner, 1996; Larsen et al., 1998; Okita, 1987; Okita and Shanks, 1988; Okita et al., 1988; Polgári et al....Wafangzi, Hein and Fan, 1999; Molango—Mexico, Okita, 1987; Okita and Shanks, 1988; Moanda—Gabon, Hein et al...exploited ore volume is 436,000 m 3 and an open-pit mine site covered 1.81 km2 (Fig. 6a). The (ii) black...lithostratigraphy (b) of the Mn carbonate ore bed (Úrkút Mine, Shaft No. III, + 180 m) (c) A–A and B–B sections...sulfides) and Sr-bearing barite (Polgári, 1993). Pyrite concretions and thin layers of phosphate and chert |  | Munteanu, Marian, Marincea, Stefan, Kasper, Haino Uwe, Zak, Karel, Alexe, Veronica, Trandafir, Vasile, Saptefrati, George, Mihalache, Angela (2004) Black chert-hosted manganese deposits from the Bistritei Mountains, Eastern Carpathians (Romania): petrography, genesis and metamorphic evolution. Ore Geology Reviews, 24 (1) 45-65 doi:10.1016/j.oregeorev.2003.08.004 | Journal (article/letter/editorial) | | Sugisaki et al., 1991; Fan et al., 1992, 1999a,b,c,d; Okita and Shanks, 1992; Liu et al., 1996; Öztürk and...as spatially related to stratified-water basins (Okita and Shanks, 1992; Dasgupta et al., 1992; Fan et...carbonate deposits (e.g. Fan et al., 1992, 1999a,b,c; Okita and Shanks, 1992; Öztürk and Hein, 1997; Zeng...in size) with minor participation of muscovite, pyrite and organic matter. The black cherts exhibit fine...crystals completely replaced by carbonate (cg); pyrite porphyroblasts (p) include carbonate crystals; |  | | Journal (article/letter/editorial) | | these minerals from Mn(II) to Mn(III) to Mn(IV) (Okita et al., 1988; Roy, 2006; Maynard, 2010). Maynard...acquired from South Africa, Brazil, Mexico, and the Japan Sea, and their depositional environments have been...These data are also summarized in Table 2. 3.2.1. Japan Sea Drill Core To examine the petrogenesis of manganese...sediments deposited in a failed rift basin in the Japan Sea (Matsumoto, 1992). Three samples (196 m, 326...FerroSouth Pacific Modern manganese Gyre nodule Japan sea core Japan Sea Pliocene-Miocene (11 Ma) Molango Mexico |  | | Journal (article/letter/editorial) | | Basedon Tectonic Setting J. B. MAYNARDANDP. M. OKITA* Departmentof Geology,Universityof Cincinnatti,Cincinnati...the Bacouldbe entirely I m acrosscementedby pyrite (Okita, 1983). A few biogenic.The abundanceand compositionof...the slope.The timingof mineralizationis thought Okita (1983); geochemistry by Howard(1984) and to hav...Middle Devonian(Giveturesoccurlocallyin the barite (Okita, 1983), indi- tian) ageoccurin Germanyat Meggenin...Koreancraton(Zhanget al., 1984, p. 304; Liu and pyrite, were depositedin a relatively deep-water Hao, |  | | Journal (article/letter/editorial) | | diagenesis or during later catagenesis. For example, Okita et al. (1988) cite carbon isotopic evidence for...the Los Ranchos Formation where all Fe occurs as pyrite suggests that oxidation of ferrous iron was the...concentrations of organic carbon. Formation of pyrite is controlled by the availability of Fe during...of sedimentary organic matter to form framboidal pyrite limited later precipitation of Au. The capacity...and underlying continental redbeds. Framboidal pyrite was formed in the shales during early diagenesis |  | | Journal (article/letter/editorial) | | sedimentation and thus of the ore-forming processes. Pyrite formation and depositional environments In marine...precipitated as pyrite (FeS2). Three principal factors that ultimately limit how much pyrite may form are:...(Berner, 1985). Based on these three parameters, pyrite formation in sediments can be used to distinguish...defined as: DOP--pyrite iron/ total iron (in this research, acid soluble iron plus pyrite iron was used...iron minerals present to be transformed to pyrite. All pyrite is formed diagenetically and a good positive |  | 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) | | 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...troisième étape, qui consiste de masses irrégulières de pyrite, chalcopyrite et pentlandite quelques mm de long...North America, the sedimentary Molango deposits (Okita 1992), about 120 km northwest of San Miguel Tenango...Todorokite was first described from the Todoroki mine in Japan (Yoshimura 1934). Mineral deposits containing |  | | Journal (article/letter/editorial) | | (Bolton and Frakes, 1985; Delian et al., 1992; Okita, 1992; Okita and Shanks III, 1992; Roy, 1992). It is generally...stages Recent- Limnea 7.500 Litofina organic pyrite and 16% brown carbonate-free clays. part bioturbated... the Betic Cordillera (Spain), and the Iberian Pyrite Belt (Spain and Portugal). At the end of the nineteenth...Dill-Syncline and Kellerwald) and the ores of the Iberian Pyrite Belt will not be described because these Fe-rich...and abandoned mine 42” 47.83’ N, 0” 26.18’ mines 42” 50.00’ N, 0” 18.82’ E mine 37” 41.76’ N |  | | Journal (article/letter/editorial) | | (1958, 1970), Clark et al. (1991), Maynard and Okita (1991), Jewell (2000), and Hanor (2000). According...sediment-hosted stratiform deposits (Table 1). Maynard and Okita (1991) divided bedded barite deposits into two major...Barite Hill, South Carolina, USA; Hokuroko district, Japan Mississippi Valley and Central Tennessee districts...to 2000 m of black shale and chert (Maynard and Okita, 1991; Wang, 1996). The Jiangnan region was within...between Bangalore and Madras (Fig. 4). The Mangampeta mine accounts for more than 98% of India’s production |  | | Journal (article/letter/editorial) | | horizons in the Xialei district is found in the Bukang mine area and is divided into 30 small Mn ore beds, ranging...Manganese-bearing turbidites are well-developed in the Bukang mine 157 area and formed a fan with its head to the...occur in the Bukang Ž6 km2 . and Xuntun Ž1 km2 . mine areas. In the Bukang and Xuntun mining district...barite, hematite, magnetite, braunite, hausmannite, pyrite, marcasite, chalcopyrite, sphalerite, Mo–Ni sulfides...zones, Ž3. sample locations Ždrill hole samples and mine galleries. and mean percentages of silicates in |  | Zhang, Bang-Lu, Wang, Chang-Le, Robbins, Leslie J., Zhang, Lian-Chang, Konhauser, Kurt O., Dong, Zhi-Guo, Li, Wen-Jun, Peng, Zi-Dong, Zheng, Meng-Tian (2020) Petrography and Geochemistry of the Carboniferous Ortokarnash Manganese Deposit in the Western Kunlun Mountains, Xinjiang Province, China: Implications for the Depositional Environment and the Origin of Mineralization. Economic Geology, 115 (7). 1559-1588 doi:10.5382/econgeo.4729 | Journal (article/letter/editorial) | | west to east–trending fault (F1) runs through the mine, which is the western extension of the regional...in the open-pit and underground mine tunnels of the Ortokarnash mine. Given the lack of any prior systematic...the VPDB standard. Sulfur isotope compositions of pyrite from selected wallrock samples were measured on...Geophysics, Chinese Academy of Sciences, Beijing. Pyrite samples, ~5 mg, were combusted in the presence...quartz/chalcedony, and silicate minerals (~45%); pyrite, with minor bitumen (<5%) Micritic carbonate (>55%); |  | Polgári, M., Bajnóczi, B., Kovács Kis, V., Götze, J., Dobosi, G., Tóth, M., Vigh, T. (2007) Mineralogical and cathodoluminescence characteristics of Ca-rich kutnohorite from the Úrkút Mn-carbonate mineralization, Hungary. Mineralogical Magazine, 71 (5) 493-508 doi:10.1180/minmag.2007.071.5.493 | Journal (article/letter/editorial) | | fossil fish collected from the Úrkút Manganese Mine, Hungary. Powder X-ray diffraction (XRD) revealed...concretions were collected from the Úrkút Manganese Mine, which is situated in the TransDanubian Central...video- FIG. 1. Location of the Úrkút Manganese Mine in Hungary (central Europe). 495 M. POLGÁRI...Valdarno (Italy; Bini and Menchetti, 1985), Fujikura (Japan; Tanida and Kitamura, 1982) and Kremikovtsi (Bulgaria;...Republic Ryûjima, Japan Långban, Sweden Levane, Upper Valdarno, Italy Fujikura, Japan Kremikovtsi, Bulgaria |  | | Journal (article/letter/editorial) | | Geology and Mineral Resources, 2 Xiaoxiqiao, Jishou City, Hunan ProÕince, 441607, China b Institute of Geology...include illite, quartz, dolomite, calcite, apatite, pyrite, and organic matter. 3. Biomineralization and...basin. Mean values of d34 S CD T of disseminated pyrite from the Mn ores and host-rocks are 49.3‰ Ž46.6... Table 1 Sulfur isotopic data for disseminated pyrite in the Minle Mn deposit. Analyses on sulfide separates...74 Fig. 2. Histogram of d34 S CD T values of 23 pyrite samples from the Minle Mn deposit. For comparison |  | Hein, James R, Fan, Delian, Ye, Jie, Liu, Tiebing, Yeh, Hsueh-Wen (1999) Composition and origin of Early Cambrian Tiantaishan phosphorite–Mn carbonate ores, Shaanxi Province, China. Ore Geology Reviews, 15 (1) 95-134 doi:10.1016/s0169-1368(99)00017-7 | Journal (article/letter/editorial) | | dolomite comprising the Mn mixed-carbonate section. Pyrite occurs in all rock types and alabandite ŽMnS. occurs...those two groups and is 21 km north of Hanzhong city ŽFig. 1.. Tectonically, the Tiantaishan deposit...batteries. The outlook is not good for a large-scale Mn mine Žsee Section 4 for additional grade data on individual...beds.. 3. Geological setting The Tiantaishan P–Mn mine covers about 80 km2 , and has complex structural...Yagushan phosphorite blocks ŽFig. 2.. Rocks in the mine area are Precambrian, Lower Cambrian, Lower Silurian |  | Li, R., Chen, J., Zhang, S., Lei, J., Shen, Y., Chen, X. (1999) Spatial and temporal variations in carbon and sulfur isotopic compositions of Sinian sedimentary rocks in the Yangtze platform, South China. Precambrian Research, 97 (1) 59-75 doi:10.1016/s0301-9268(99)00022-4 | Journal (article/letter/editorial) | | Dengying Formation as low as −6‰. d34S values for pyrite from the lower Sinian rocks are highly positive...sulfate up to ca +60‰. In contrast, d34S values for pyrite from the upper Sinina rocks are negative down to...have been significantly enriched in 34S, so that pyrite produced in closed diagenetic system would yield...focused on the isotopic composition of authigenic pyrite (e.g. Holser et al.,1988; Lambert and Donnelly...Tang, 1990; Li et al., 1994). The d34S values for pyrite were found to be extraor- dinarily positive, from |  | Chisonga, B.C., Gutzmer, J., Beukes, N.J., Huizenga, J.M. (2012) Nature and origin of the protolith succession to the Paleoproterozoic Serra do Navio manganese deposit, Amapa Province, Brazil. Ore Geology Reviews, 47. 59-76 doi:10.1016/j.oregeorev.2011.06.006 | Journal (article/letter/editorial) | | the year 2000. Company historical data including mine cross sections were used to select the 3 diamond...the occurrence of sillimanite. Sulfides, including pyrite, molybdenite, gersdorffite and chalcopyrite occur...(Alm6Py1Sp86Gr7; Table 2, Fig. 6). Of the accessory sulfides, pyrite is dominant; it occurs in stringers oriented parallel...porphyroblasts, showing that pyrite formed during spessartine growth (Fig. 4e). Pyrite and chalcopyrite aggregates...including cobaltite, alabandite and pyrite. Finegrained (~30 μm) pyrite occurs finely disseminated throughout |  | Badrzadeh, Zahra, Barrett, Timothy J., Peter, Jan M., Gimeno, Domingo, Sabzehei, Mossaieb, Aghazadeh, Mehraj (2011) Geology, mineralogy, and sulfur isotope geochemistry of the Sargaz Cu–Zn volcanogenic massive sulfide deposit, Sanandaj–Sirjan Zone, Iran. Mineralium Deposita, 46 (8) 905-923 doi:10.1007/s00126-011-0357-4 | Journal (article/letter/editorial) | | massive sulfide lens is zoned from a pyrite-rich base, to a pyrite± chalcopyrite-rich central part, and...to the upper part. The main sulfide mineral is pyrite, with lesser chalcopyrite and sphalerite. The feeder...pesudobreccia and, in the deepest part, chlorite–quartz–pyrite pesudobreccia. Footwall hydrothermal alteration...seafloor as precipitation of fine-grained anhedral pyrite, sphalerite, quartz, and barite; (2) anhydrite...mound clasts and precipitation of coarse-grained pyrite, sphalerite, tetrahedrite–tennantite, galena and |  | | Journal (article/letter/editorial) | | (e.g. two generations of alabandite sphalerite, pyrite, millerite, niccolite, gersdorf®te, and molybdenite)...sul®des which are of minor abundance are sphalerite, pyrite, millerite, niccolite (Plate 1A), gersdorte, molybdenite...pentlandite exsolution bodies, chalcopyrite, and pyrite. Sphalerite and arsenopyrite are present in minor...same range as rutile). Sul®des (pyrrhotite, early pyrite, chalcopyrite) are distributed in the metasedimentary...similar to that of carbonate-I. A late generation of pyrite which may locally be enriched (up to 10 vol.% of |
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