 | | Journal (article/letter/editorial) | | za Hausmannite N’Chwaning II Mine, Kalahari Manganese Field Northern Cape Province, South Africa B...datolite, and calcite. Hausmannite is widespread in manganese deposits globally. Mindat.org (accessed October...Öhrenstock, Langewiesen, Ilmenau district, Thuringian Forest, Thuringia, Germany. Originally named “flaky black-brown-stone”...the deposit at Öhrenstock is the type locality for hausmannite, the manganese deposits at Ilfeld, Harz...Harz Mountains, Thuringia, Germany, a locality perhaps more famous for world-class manganite, also produced |  | | Journal (article/letter/editorial) | | 67, 1972, pp. 83-102 Manganite, Hausmannite, Braunite: Features, Modes of Origin D. F. HEWETT Abstract...writer hasgenerallyacceptedthe interpretationof the braunite,eachof whichhasbeenidentified widely original...thesemineralscould and coronaditeare the most abundant manganese bepositively determined onlyif goodcrystals or...Survey. 83 84 D. F. HEWETT of supergeneorigin (Ilfeld, Ge' oxides during diagenesis.Less commonlyand...Oklahoma;GrahamIsland,Brith ate, but less commonlyother oxides. Braunite is Columbia,Fig. 3, Table 1, DFH-277; and L• dearly |  | Tumiati, Simone, Merlini, Marco, Godard, Gaston, Hanfland, Michael, Fumagalli, Patrizia (2020) Orthovanadate wakefieldite-(Ce) in symplectites replacing vanadium-bearing omphacite in the ultra-oxidized manganese deposit of Praborna (Aosta Valley, Western Italian Alps). American Mineralogist, 105 (8). 1242-1253 doi:10.2138/am-2020-7219 | Journal (article/letter/editorial) | | vanadium-bearing omphacite in the ultra-oxidized manganese deposit of Praborna (Aosta Valley, Western Italian...coexisting with hematite, Mn-rich epidote, and braunite, formed during retrogression to greenschistfacies...found instead. Keywords: Vanadate, wakefieldite, manganese, Alps Introduction Rare-earth (REE) orthovanadates...from the manganese and iron Glücksstern Mine associated with hausmannite Mn2+Mn3+ 2 O4 (Thuringia, Germany)...Arase stratiform hematite-bearing ferromanganese deposit (Kochi prefecture, Japan) (Moriyama et al. 2011) |  | | Journal (article/letter/editorial) | | composition and struc tural features of supergene manganese oxides. As an example, one can cite lithiophorite...Under the name elizavetinskite-lithiophorite, a manganese mineral has been described from Stanislavova,...Li2O [ 3 3 ] . Lithiophorite from the Sungarsk deposit, Salair, studied by P. F. Andrushenko (unpublished...Li2O and 26.0% A1 2 O 3 . A manganese mineral from the Schneeberg deposit, Saxony, was first described...O 3 ) ] [ 1 3 , 1 8 ] . Mikheyev [3] found a manganese mineral named elizavetinskite (elizavetite), with |  | Fusswinkel, Tobias, Wagner, Thomas, Wenzel, Thomas, Wälle, Markus, Lorenz, Joachim (2013) Evolution of unconformity-related MnFeAs vein mineralization, Sailauf (Germany): Insight from major and trace elements in oxide and carbonate minerals. Ore Geology Reviews, 50. 28-51 doi:10.1016/j.oregeorev.2012.08.001 | Journal (article/letter/editorial) | | unconformity-related Mn\Fe\As vein mineralization, Sailauf (Germany): Insight from major and trace elements in oxide...Tübingen, Wilhelmstrasse 56, D-72074 Tübingen, Germany Institute of Geochemistry and Petrology, ETH Zurich...Graslitzer Strasse 5, D-63791 Karlstein am Main, Germany a r t i c l e i n f o Article history: Received...mineralization, located in the Spessart district (central Germany), is characterized by complex hydrothermal...Ca-kutnahorite. Oxide assemblages are dominated by braunite and hematite, with minor amounts of manganite |  | | Journal (article/letter/editorial) | | Mineral Deposit Letters O Springer-Verlag 1993 Mineral. Deposita 28, 153-156 (1993) Braunite mineralogy...Abstract. The Kajlidongri manganese deposit, Madhya Pradesh, India contains braunite belonging to at least...coarser-grained, hydrothermal type. Microanalyses of braunite from these paragenetic types indicate considerable...varying proportions of braunite I and bixbyite modules in polysomatic braunite. Braunite is a mineral of widespread...especially in metamorphosed manganese deposits, such as the gondites, braunite-spessartine-rhodonite-quartz |  | | Journal (article/letter/editorial) | | September–October 2002 NO. 6 Red Bed-Hosted Oncolitic Manganese Ore of the Paleoproterozoic Soutpansberg Group...South Africa Abstract The Bronkhorstfontein manganese deposit near Tolwe, Limpopo province, South Africa...shallow-marine manganese deposit of Late Paleoproterozoic age. It is the oldest known deposit that displays...shallow-marine pisolitic manganese deposits of Mesozoic and Cenozoic age. Manganese mineralization at Bronkhorstfontein...6 and 10. The mineralogy of the ore is simple; braunite, hematite, and quartz are the dominant constituents |  | | Journal (issue) | | stalactltic 3 ½ x 2 ½ . . J.S0 P••.. •••••hiN, Germany. Masses w . xld. surface in Quartz. 3 x 2 . . ...2 ½ • . . . . . . . . 7.50 Strontia11iN, H•••• Germany. Well xld. on mass. 3 x 2 ¼ • • . . . . . . . ...Gaines ............................483 ILFEID, GERMANY, MANGANESE OCCURRENCE ................................an Indian engineer, I examined 11.ishBihar Mica District Calcutta is in the middle of a huge six of the...which make up the liglj visit the mica producing district in Bihar, mass of the dike are scattered in a |  | | Journal (issue) | | Behnke Northbrook, IL Werner Lieber Heidelberg, W. Germany Eric Offermann Arlesheim, Switzerland Jeffrey A...Number Five Articles The Val Graveglia m anganese district, Liguria, I t a ly .............................RHODOCHROSITE crystals to 1.6 cm, from the Uchucchacua district, Huanuco depart ment, Peru. (See vol. 28, no...pyrobelonite.This deposit has also produced exceptional specimens INTRODUCTION Manganese is the twelfth...twelfth most abundant element in the earth's crust. Manganese deposits are generally of sedimentary origin, |  | | Journal (article/letter/editorial) | | tajmahal@gilanet.com History and Mineralogy of the Manganese Mine Keweenaw County Michigan Tom Rosemeyer...Country researching and writing articles about the district. 498 ROCKS & MINERALS Twenty-second in a series...Keweenaw Peninsula of Upper Michigan are two small manganese oxide deposits that occur about a mile south of...of this article. The first deposit discovered was a small vein of manganese oxides and calcite that crops...of Lake Manganese along the west bank of Manganese Creek. The deposit is called the “Manganese Creek vein |  | | Journal (article/letter/editorial) | | by Brusnitsyn, Zhukov. The South Faizuly Manganese Deposit in the Southern Urals: Geology, Petrography...June 2, 2003 Abstract—The South Faizuly manganese deposit hosted in cherty rocks of the Magnitogorsk...and cherty siltstones) are characterized. The deposit was formed in the following four consecutive stages:...supergene alteration and partial denudation of the deposit in the Mesozoic–Quaternary. Models of Mn-bearing...considered. INTRODUCTION The South Faizuly manganese deposit is situated in eastern Bashkyrtostan 20 km |  | | Journal (article/letter/editorial) | | Mineralogy, chemistry and genesis of Nishikhal manganese ores of South Orissa, India Received: 14 March...March 1995 / Accepted: 11 April 1996 Abstract Manganese ores of Nishikhal occur as distinctly conformable...Eastern Ghats complex of south Orissa, India. Manganese minerals recorded are cryptomelane, romanechite...with minor amounts of jacobsite, hausmannite, braunite, lithiophorite, birnessite and pyrophanite. Goethite...occurrence of well-defined bands of manganese ore; co-folding of manganese ore bands and associated metasedimentary |  | | Journal (article/letter/editorial) | | pp. 612–634. Manganese Deposits: Communication 2. Major Epochs and Phases of Manganese Accumulation in...later than the end of the Middle Archean. Primary manganese sediments were accumulated at that time in shallow...reach economic values. The formation of genuine manganese ores is related to later processes of the transformation...basins of manganese ore sedimentation and character of processes of the formation of manganese sediments...paleocontinents. Major periods, epochs, and phases of manganese ore genesis are defined. At the early stages of |  | | Journal (article/letter/editorial) | | Geology, v. 105, pp. 535–552 The Chemistry of Manganese Ores through Time: A Signal of Increasing Diversity...Cincinnati, Ohio 45221 Abstract Almost all economic manganese ores are ultimately or directly derived from hydrothermal...of sediment-derived manganese and whose volcanic sources are more mafic. Manganese deposits can be divided...deposits appear to form by the euxinic mechanism. Manganese ores, like those of Fe, show a strong concentration...suggesting a more local than global control on manganese metallogenesis. Age trends can, however, be discerned |  | Vereshchagin, Oleg S., Britvin, Sergey N., Perova, Elena N., Brusnitsyn, Aleksey I., Polekhovsky, Yury S., Shilovskikh, Vladimir V., Bocharov, Vladimir N., van der Burgt, Ate, Cuchet, Stéphane, Meisser, Nicolas (2019) Gasparite-(La), La(AsO4), a new mineral from Mn ores of the Ushkatyn-III deposit, Central Kazakhstan, and metamorphic rocks of the Wanni glacier, Switzerland. American Mineralogist, 104 (10) 1469-1480 doi:10.2138/am-2019-7028 | Journal (article/letter/editorial) | | a new mineral from Mn ores of the Ushkatyn-III deposit, Central Kazakhstan, and metamorphic rocks of the...(IMA 2018-079) from Mn ores of the Ushkatyn-III deposit, Central Kazakhstan (type locality) and from alpine...into calcite-rhodochrosite veinlets (Ushkatyn-III deposit) vs. elongated crystals up to 2 mm in size in classical...formulas of gasparite-(La) from the Ushkatyn-III deposit (holotype specimen) and Wanni glacier (co-type...revealed that gasparite-(La) from the Ushkatyn-III deposit and Wanni glacier have different origins. La/Ce |  | | Journal (article/letter/editorial) | | 2012, No. 3, pp. 245–263. A Superlarge Deposit—Kalahari Manganese Ore Field (Northern Cape, South Africa):...carbonate inclusions in the Mamatwantype oxide ores (braunite lutites) made it possible to reveal residual microbial...presence in manganese ores, the type of manganese oxide mineralization, isotope signatures of manganese carbonates...on the geol ogy of the Kalahari manganese field suggest that manganese ore formation was widespread at...transformation of the primary microbial sediment. The deposit can be referred to the hydro thermalmetasomatic |  | | Report (volume) | | SURVEY GEORGE OTIS SMITH, DIRECTOR BULLETIN 427 MANGANESE DEPOSITS. OF THE UNITED STATES WITH SECTIONS ON...CHAPTER I. SOURCES OF MANGANESE ...................................... Manganese ores...................Table of manganese minerals....................................... 13 17 17 17 19 19 20 Manganese in the................................... CHAPTER II. MANGANESE DEPOSITS OF THE UNITED STATES. ............................................... Origin of the manganese ores of the Piedmont region................. Commercial |  | Zarasvandi, Alireza, Rezaei, Mohsen, Sadeghi, Martiya, Pourkaseb, Houshang, Sepahvand, Masoume (2016) Rare-earth element distribution and genesis of manganese ores associated with Tethyan ophiolites, Iran: A review. Mineralogical Magazine, 80 (1) 127-142 doi:10.1180/minmag.2016.080.054 | Journal (article/letter/editorial) | | Rare-earth element distribution and genesis of manganese ores associated with Tethyan ophiolites, Iran:...characterized by the widespread occurrence of manganese and ferromanganese deposits. These deposits are...Tashk manganese deposits (associated with the Neyriz ophiolite), and Sorkhvand manganese deposit (associated...that control the deposition of manganese ores. All of the selected manganese deposits have consistently high...hydrothermal source for almost all of the selected manganese deposits. Most of the deposits are characterized |  | | Journal (article/letter/editorial) | | and genesis of the Paleoproterozoic Birimian manganese-formation of Nsuta/Ghana Received: 18 April 1997...1997 / Accepted: 16 July 1998 Abstract The manganese deposit of Nsuta, in the Ashanti Belt of Southern...with the orebody. The orebody is a carbonatetype manganese-formation and in terms of origin is considered...mineral assemblage forms the protore of the Nsuta deposit. Opaque Mn4+Editorial handling: DR A. MuÈcke (&)...Èt, Goldschmidtstrasse 1, D-37077 GoÈttingen, Germany K. Dzigbodi-Adjimah Institute of Mining and Mineral |  | | Journal (article/letter/editorial) | | GEOLOGICAL STRUCTURE OF THE SOUTH KHINGAN MANGANESE DEPOSIT AND ESSENTIAL COMPOSITION OF ITS ORES M. V...GEOLOGICAL STRUCTURE OF THE SOUTH KHINGAN MANGANESE DEPOSIT AND ESSENTIAL COMPOSITION OF ITS ORES, International... GEOLOGICAL STRUCTURE OF THE SOUTH KHINGAN MANGANESE DEPOSIT AND ESSENTIAL COMPOSITION OF ITS ORES' by...Khingan manganese deposits are geologically a part of the Malyy Khingan manganeseiron ore district. The...exposed in anticlines intruded by granites. The manganese ores are confined to the base of the ferruginous |  | | Journal (article/letter/editorial) | | com/loi/taje20 An unusual manganese silicate occurrence at the Hoskins mine, Grenfell district, New South Wales...(1986) An unusual manganese silicate occurrence at the Hoskins mine, Grenfell district, New South Wales...443-456 An unusual manganese silicate occurrence at the Hoskins mine, Grenfell district, New South Wales...England, Armidale, NSW 2351, Australia. Stratiform manganese silicate rocks overlie jasper and metabasah in...Middle Silurian Hoskins Formation at the Hoskins manganese mine near Grenfell, NSW. Two dominant mineral |  | Maghfouri, Sajjad, Rastad, Ebrahim, Mousivand, Fardin, Choulet, Flavien, Ye, Lin (2017) Geological and geochemical constraints on the Cheshmeh-Frezi volcanogenic stratiform manganese deposit, southwest Sabzevar basin, Iran. Ore Geology Reviews, 89. 96-113 doi:10.1016/j.oregeorev.2017.06.015 | Journal (article/letter/editorial) | | the Cheshmeh-Frezi volcanogenic stratiform manganese deposit, Southwest Sabzevar basin, Iran Sajjad Maghfouri...the Cheshmeh-Frezi volcanogenic stratiform manganese deposit, Southwest Sabzevar basin, Iran, Ore Geology...the Cheshmeh-Frezi volcanogenic stratiform manganese deposit, Southwest Sabzevar basin, Iran Sajjad Maghfouria...cedex, France d State Key Laboratory of Ore Deposit Geochemistry, Institute of Geochemistry, Chinese..._____________ Abstract The Cheshmeh-Frezi Mn deposit belongs to the southwest Sabzevar basin to the |  | | Journal (article/letter/editorial) | | Distribution and mineral assemblages of bedded manganese deposits in Shikoku, Southwest Japan: Implications...Available online 9 May 2009 Keywords: Bedded manganese deposits Shikoku Accretionary complex Metamorphism...nodules a b s t r a c t Numerous bedded manganese and manganese–iron ore deposits occur in Shikoku, Southwest...1. Introduction There are many bedded manganese and manganese–iron ore deposits in Shikoku, Southwest...understanding of the origin of these deposits. Manganese and ferromanganese oxyhydroxides commonly occur |  | | Journal (article/letter/editorial) | | the absenceof high-temperature,lower oxides of manganese. The silicate-carbonateprotore of Brazil has been...carbonate and sulfide and lacks in lower oxides of manganese,indicating original depositionof syngeneticsedimentsin...and around Kodur, Srikakulam District and Goldongri, Panch Mahal District, India, are type kodurites,though...comparisonof the Indian formations 1238 METAMORPHIC MANGANESE PROTORES OF THE WORLD 1239 withthose oftheother...individualmanganeseformations. METAMORPHOSED MANGANESE FORMATIONS OF INDIA Fermor (10) recognized |  | | Journal (article/letter/editorial) | | Brandsnuten Manganese Deposit, Tokke, Norway Dirk van der Wei ABSTRACT Brandsnuten manganese deposit in western...western Telemark is interpreted as a synsedimentary deposit related to volcanic exhalations. It is embedded...18 identified manganese oxide-, silicate- and carbonate minerals. Rhodonite, braunite and spessartine...investigated from the deposit. INTRODUCTION The Brandsnuten manganese deposit is located in the mountainous...studies. The first notice of the Brandsnuten manganese deposit was by Scheerer (1845b) where it is mentioned |
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