 | | Journal (article/letter/editorial) | | Mestorozhdenii, 2010, Vol. 52, No. 4, pp. 358–371. Manganese Oxides and Associated Minerals As Constituents of...data allowed us to estimate the conditions of manganese accumulation in the epithermal oreforming system...DOI: 10.1134/S1075701510040069 INTRODUCTION Manganese oxides make up diverse groups of min erals, which...contents, and amount of water molecules. Anhydrous oxides (braunite, jacobsite, hausmannite, etc.) are characteristic...metamorphic and volcanosedimen tary manganese, deposits, whereas hydrous oxides (pyro lusite, todorokite–psilomelane |  | | Journal (article/letter/editorial) | | No. 5, pp. 1–18. Mineralogy of Metamorphosed Manganese Deposits of the South Urals A. I. Brusnitsyn St...mineralogical investigation of metamorphosed manganese rocks was carried out at ore deposits related...rhodochrosite. The mineral assemblages of metamorphosed manganese rocks (metamanganolites) are char acterized....bibliography on geology and mineralogy of the South Ural manganese deposits is given. DOI: 10.1134/S1075701510070044...half of the 19th century, a few tens of small manganese deposits have been known in the Magnitogorsk paleovolcanic |  | Bogdanov, Yu. A., Vikent’ev, I. V., Lein, A. Yu., Bogdanova, O. Yu., Sagalevich, A. M., Sivtsov, A. V. (2008) Low-temperature hydrothermal deposits in the rift zone of the Mid-Atlantic Ridge. Geology of Ore Deposits, 50 (2) 119-134 doi:10.1134/s1075701508020037 | Journal (article/letter/editorial) | | segregations. In the Nail chimney, a thin film of iron oxides (39.7 wt % Fe and 0.07 wt % Mn) coats the sulfide...material, which consists almost entirely of iron oxides (49.54 wt % Fe, 1.18 wt % Mn) and is enriched in...deposits are distinguished: an isolated mound of iron oxides, films and crusts on the surface of hydrothermal...cooled hydrothermal solution, enriched in iron, manganese, and occasionally silica, reaches the surface...chimney. A crust composed of either iron and manganese oxides or largely iron oxyhydroxides covers the surface |  | | Journal (article/letter/editorial) | | 2005 by Brusnitsyn, Zhukov. The South Faizuly Manganese Deposit in the Southern Urals: Geology, Petrography...Received June 2, 2003 Abstract—The South Faizuly manganese deposit hosted in cherty rocks of the Magnitogorsk...are considered. INTRODUCTION The South Faizuly manganese deposit is situated in eastern Bashkyrtostan 20...deposit in 1890 until the 1950s, the oxidized manganese ore of this deposit was episodically mined. The...hydrothermal–sedimentary object. This type of manganese mineralization is widespread in the southern Urals |  | Sklyarov, E. V., Lavrenchuk, A. V., Starikova, A. E., Fedorovsky, V. S., Khromova, E. A. (2019) Genesis of Manganese Ore Occurrences of the Olkhon Terrane the Western Baikal Region. Petrology, 27 (1) 79-94 doi:10.1134/s0869591119010041 | Journal (article/letter/editorial) | | 2019, Vol. 27, No. 1, pp. 87–104. Genesis of Manganese Ore Occurrences of the Olkhon Terrane the Western...Abstract—Geological and mineralogical data are reported on the manganese occurrences of the Olkhon terrane (Western Baikal...+ Cpx + Pl + Ilm ± Grt ± Bt ± Amp), the main manganese carriers in which are ferrorhodonite (33–36 wt...these rocks are gondites (manganese-rich metamorphosed sediments) or that manganese flux in carbonate sediments...sedimentation at about 500 Ma. The diversity of manganese occurrences was produced by metasomatic processes |  | | Journal (article/letter/editorial) | | quartz–adularia–rhodonite and sulfide–sulfosalt assemblages; manganese oxides; and aggregates of comb quartz, chlorite,...Marakushev, et al., Metasomatism and Metasomatic Rocks (Nauchnyi Mir, Moscow, 1998) [in Russian]. GEOLOGY OF ORE |  | Bogdanov, Yu. A., Lein, A. Yu., Sagalevich, A. M., Ul’yanov, A. A., Dorofeev, S. A., Ul’yanova, N. V. (2006) Hydrothermal sulfide deposits of the Lucky Strike vent field, Mid-Atlantic Ridge. Geochemistry International, 44 (4) 403-418 doi:10.1134/s0016702906040070 | Journal (article/letter/editorial) | | of the sheets are covered by thin films of iron oxides and hydroxides. Shimmering waters were sometimes...sulfides, silica and iron oxides and hydroxides, or iron and manganese oxides and hydroxides [3]. Hydrothermal...Occurrences in Rifts of the Mid-Atlantic Ridge (Nauchnyi Mir, Moscow, 1997) [in Russian]. 2. R. S. Detrick |  | Asavin, A. M., Anikeeva, L. I., Kazakova, V. A., Andreev, S. I., Sapozhnikov, D. A., Roshchina, I. A., Kogarko, L. N. (2008) Trace element and PGE distribution in layered ferromanganese crusts. Geochemistry International, 46 (12) 1179-1205 doi:10.1134/s001670290812001x | Journal (article/letter/editorial) | | The typomorphic manganese minerals of these crusts are the X-ray amorphous manganese phase todorokite...composition of the crusts is stable; the typomorphic manganese mineral is ferruginous vernadite (Mn4+,Fe3+,Ca...minerals, and the 7Å structural varieties of manganese minerals are less abundant [5, 18, 19]. Ferrovernadite...polymineralic mixtures dominated by iron and manganese oxides and hydroxides with numerous mechanical admixtures...elements is similar to those of base metals and manganese and higher that those of other trace elements |  | | Journal (article/letter/editorial) | | and the appearance of skarn and skarnoids with manganese minerals. The geological position of hydrothermal... piemontite, tephroite, bustamite, ilvaite, Mn oxides) are wide spread in the late quartz–rhodonite...scorodite and pyrite are yellowish, whereas Mn oxides are brownish and dark gray up to black in color...tains isomorphic admixtures of Si, Al, Na, and P oxides (up to 3.66, 2.07, 0.27, and 2.2. wt %) together...Al2О3 is compensated by depletion in Fe and Mn oxides. Barshaped feldspars (Fig. 9c) correspond to albite |  | | Book | | 115 141 vi Chapter 6 Chapter 7 Contents Manganese and Copper Oxide Catalysts Deposited on Dolomite...describes the use of dolomite as a substrate for manganese and copper oxide catalysts for purification of...activated dolomite aqueous solutions with salts of manganese (II) and copper (II), followed by drying and heat...influence the physical-chemical properties of manganese and copper oxide catalysts deposited on dolomite...olivine, quartz, garnet, opaque minerals, and iron oxides are the main accessory minerals. “El Manzano” Formation |  | Elliott, H.A.L., Wall, F., Chakhmouradian, A.R., Siegfried, P.R., Dahlgren, S., Weatherley, S., Finch, A.A., Marks, M.A.W., Dowman, E., Deady, E. (2018) Fenites associated with carbonatite complexes: A review. Ore Geology Reviews, 93. 38-59 doi:10.1016/j.oregeorev.2017.12.003 | Journal (article/letter/editorial) | | in a matrix of alkali feldspar, carbonate and oxides with varying proportions of 333 quartz due to...gneisses 649 can contain up to 9% rare earth oxides (REO) hosted by allanite. These fenites 650 contain...These contain fractures filled with a mix of iron oxides, aegirine-augite, feldspars, 880 carbonate and...Carmichael, I. S. E., Nicolls, J., 1967. Iron-titanium oxides and oxygen fugacities in volcanic rocks. Journal...L., 1998. Metasomatism and metasomatic rocks. Nauchnyi Mir Press, Moscow. 9. Figure and table captions |  | | Journal (volume) | | Fluorides .....................................59 Oxides and Hydroxides ..........................60 Carbonates...MSU - Lomonosov Moscow State University NIU - Nauchnyi Institut po Udobreniyam (Samoilov Research Institute...the Samoilov Research Institute for Fertilizers (Nauchnyi l nstitut po Udobrenjyam -NIU) became seriously...from the better developed regions of Russia and Ukraine, many of them forcibly among them the so-called...ne-grained aggregates of hydrous Nb and Ti silicates and oxides mixed with apatite replace these totally. Niobium |  | | Book | | accessory base metal (BM) minerals (sulfides, arsenides, oxides, alloys) containing minor amounts of PGE. Accessory...Metal Alloys Tellurides, Antimonides PGE-bearing oxides Ideal Composition Laurite (RuOsIr)S2 , Erlichmanite...natural and synthetic silicate minerals, glasses, and oxides. Counting times were 10 s on peak. Background intensities...vol. % olivine, 5% vol. % pyroxene, minor Fe-Ti oxides, traces of biotite and sulfide minerals such as... 30% plagioclase, 10–15% pyroxene, 5–10% Fe-Ti oxides, and traces of sulfide minerals. Sulfide minerals |  | | Book | | mineral discoveries am Mineral descriptions 3.2.1 Oxides 3.2.2 Carbonates 3.2.3 Silicates 3.2.3.1 Sodium...Calcium and magnesium silicates 3.2.3.6 Iron and manganese silicates 3.2.3.7 REE silicates and silicatophosphates...the Yenisei mountain-ridge, Introduction 3 Ukraine, the Urals, Central Asia, the Baikal area, Yakutia...species have not as yet been recorded in the latter:* Oxides: anatase, chalcedony, nordstrandite, quartz; Carbonates:...ferrotychite, manganotychite, and crawfordite (ferrous, manganese, and strontium analogues of tychite), bonshtedtite |  | | Book (volume) | | mineral aggregates consist of electrum, Fe and Sb oxides, Ag chlorides, and bromides [38]. In the Oleninskoe...with the formation of sulfates, arsenates, iron oxides, clay, and other minerals, extending to a depth...SRM-612 reference material. The amount of molecular oxides (232 Th16 O/232 Th) was kept below 0.2%. The 238...and As, as well as complexes including Au-bearing oxides among which some are considered rare or unique...Au-sulfoselenotellurides and complex Au-bearing oxides (Figure 4b). Figure 4. SEM image of sample 3053-3_a |  | | Book (volume) | | deposits of uranium, lead, silver, zinc, manganese, iron and gold. Often there is a close association...East, 147pp. Akademiya Nauk SSSR, Dalnevostochnyi Nauchnyi Tsentr, Vladivostock. 5 Proterozoic and Cambrian...systematic changes in the proportion of iron-bearing oxides, silicates and carbonate minerals contained in...siliceous cappings which are high in iron, manganese and aluminium oxides and secondary wavellite, crandallite...pyrite and are pervasive through the phosphorite. Manganese, occurring as pyrolusite and cryptomelane, pervades |  | | Report (volume) | | new Mn3+-silicate minerals from the Kalahari manganese fields, South Africa. Mineral Mag 66:137-150 Ashley...Petrol 53:133-153 Bonazzi P, Menchetti S (2004) Manganese in monoclinic members of the epidote group: piemontite...Analyse du Minéralconnu sus le nom de Mine de Manganese violet du Piédmont, faite au Labratoire de l’Ecole...Ferraris G, Ivaldi G, Fuess H, Gregson D (1989) Manganese/iron distribution in a strontian piemontite by...83:240–247 Nayak VK, Neuvonen KJ (1963). Some manganese minerals from India. Bull Comm géol Finlande 212:27-36 |  | | Book (volume) | | unexploited. Manganese nodules and ferromanganese crusts, potential sources of manganese, nickel, cobalt...nickel–cobalt ore over ultramafic rocks, minor manganese ore, and the small copper–gold massive sulphide...Tanna Island is monitored. Economic Geology Manganese oxide has been mined on Efate, where it typically...been mined directly from the ultramafic rock. Manganese deposits are associated with the Poya terrane...at Mt Kasi on Vanua Levu at different times. Manganese ore was mined from 1950 to 1971, most production |  | | Report (volume) | | Ar/Ar Pb/Pb, Ar/Ar Calcitic marble; Cu, Fe, Mn; Fe oxides Note: ‘U –Pb direct’ means dates from volcanic...) d18O Geobiology TOC Y Y (Biomarker) Y Manganese, BIF Unreliable Y Y Y Y Y Nd (tDM) Y Note:...Period, the widespread deposition of iron and manganese deposits may also have economic implications for...tectonics. Distinctive chemical sediments (iron + manganese formations and cap carbonates) were identified...postglacial ‘cap dolomites’ and syn-glacial iron and manganese formations, features not known from Phanerozoic |
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