 | | Journal (article/letter/editorial) | | za Hausmannite NâChwaning 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...Ăhrenstock, Langewiesen, Ilmenau district, Thuringian Forest, Thuringia, Germany. Originally named âflaky black-brown-stoneâ...the deposit at Ăhrenstock 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 |  | | Catalog/List | | Internet, Fax, and Mail) Heritage Auctions Design District Annex 1518 Slocum Street âą Dallas, TX 75207 Sunday...52001-52306 LOT VIEWING Heritage Auctions Design District Annex 1518 Slocum Street âą Dallas, TX 75207 Wednesday...A world-class Manganite from Ilfeld in the Harz Mountains of Germany, with crystals up to 1.88 inches...Collection of Fine Minerals & Gems Auction 3 52001 HEMATITE Elba Island, Livorno Province, Tuscany, Italy...namesake for Heulandite - who was born in Bayreuth, Germany in 1778. Since he died in 1856, it is clear that |  | 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...modeling suggest that the mineral, coexisting with hematite, Mn-rich epidote, and braunite, formed during...found instead. Keywords: Vanadate, wakefieldite, manganese, Alps Introduction Rare-earth (REE) orthovanadates...was discovered first as wakefieldite-(Y) in an hematite- and goethite-bearing pegmatite at Wakefield Lake...from the manganese and iron GlĂŒcksstern Mine associated with hausmannite Mn2+Mn3+ 2 O4 (Thuringia, Germany) |  | | 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 Lithiophorite from the Sungarsk deposit, Salair, studied by P. F. Andrushenko (unpublished...Li2O and 26.0% A1 2 O 3 .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, WĂ€lle, 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...TĂŒbingen, Wilhelmstrasse 56, D-72074 TĂŒbingen, 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...Oxide assemblages are dominated by braunite and hematite, with minor amounts of manganite and hausmannite |  | Moriyama, Takeru, Miyawaki, Ritsuro, Yokoyama, Kazumi, Matsubara, Satoshi, Hirano, Hideo, Murakami, Hiroyasu, Watanabe, Yasushi (2011) Wakefieldite-(Nd), a New Neodymium Vanadate Mineral in the Arase Stratiform Ferromanganese Deposit, Kochi Prefecture, Japan. Resource Geology, 61 (1) 101-110 doi:10.1111/j.1751-3928.2010.00151.x | Journal (article/letter/editorial) | | Mineral in the Arase Stratiform Ferromanganese Deposit, Kochi Prefecture, Japan Takeru Moriyama,1 Ritsuro...found from the Arase stratiform ferromanganese deposit in Kochi Prefecture, Shikoku Island, Japan. It...ferromanganese ore specimen mainly consists of hematite and caryopilite, and wakeïŹeldite-(Nd) is typically...Fe- and Mn-oxyhydroxide led to the generation of hematite, caryopilite, rhodochrosite and wakeïŹeldite-(Nd)...during the accretion of the host unit of the Arase deposit. Chondrite-normalized REE pattern of the host ferromanganese |  | | Journal (article/letter/editorial) | | 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...(Fig. 5); and the vein depositsof the Batesville district, Arkansas, it very uncommon. To this writer's...Mississippian, but most of the concentrations of manganese oxide mineralslie in the FernvaleLimestoneand...Limestonepersis- tentlycontainsseveralpercentof manganese andthe CasonShalecontainsenoughmanganese in the |  | | Catalog/List | | Internet, Fax, and Mail) Heritage Auctions Design District Annex 1518 Slocum Street âą Dallas, TX 75207 Session...Collection LOT VIEWING Heritage Auctions Design District Annex 1518 Slocum Street âą Dallas, TX 75207 Wednesday...Mine (Apex-Dixie Mine), Jarvis Peak, Tutsagubet District, Beaver Dam Mountains, Washington County, Utah...Quarry, Jalgaon, Dindori (Dhindori), Nashik District (Nasik District), Maharashtra, India As straightforward... 53007 WULFENITE Shaft 11, Touissit, Touissit District, Oujda-Angad Province, Oriental Region, Morocco |  | | Journal (article/letter/editorial) | | independent phase, and as an exsolved phase within hematite. The well developed large sized crystals coexist...needle/bleb-like crystallites intergrown with hematite in Mn-silicate-oxide facies rocks. Compositionally...under low oxygen fugacity conditions while the hematite-pyrophanite intergrowth evolved from an Fe-Mn-Ti...conditions. KEYWORDS" pyrophanite, manganese deposits, hematite, Gangpur Group, India. Introduction...facies. The Gangpur Group is well known for its manganese-rich ore bodies that are interstratified with |  | | Journal (article/letter/editorial) | | i ep'one, ralium slta Mineral Deposit Letters O Springer-Verlag 1993 Mineral. Deposita 28, 153-156...August 25, 1992 Abstract. The Kajlidongri manganese deposit, Madhya Pradesh, India contains braunite...widespread occurrence especially in metamorphosed manganese deposits, such as the gondites, braunite-spes...association with gondite minerals or with supergene manganese oxides. The chemical nature of the mineral, however...Pradesh, India. Braunite ore petrology The manganese orebody at Kajlidongri is about 1000 m in length |  | | Book (edition) | | Mineralogie, Malteserstr. 74-100, D-12249 Berlin, Germany Earth Science Department / College of Science,...Feld 236, D-69120 Heidelberg, Germany Sodenstr. 19, D-12309 Berlin, Germany Graslitzer Str. 5, D-63791 Karlstein...Karlstein am Main, Germany Ludwig-Maximilians UniversitĂ€t, Department fĂŒr Geo- und Umweltwissenschaften...Ressourcengeologie, Luisenstr. 37, D80333 MĂŒnchen, Germany Bundesanstalt fĂŒr Geowissenschaften und Rohstoffe...Rohstoffe (BGR), Stilleweg 2, D-30655 Hannover, Germany Dr. Salah Al-Khirbash Prof. Dr. Rainer Altherr & |  | | Journal (article/letter/editorial) | | SeptemberâOctober 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...The mineralogy of the ore is simple; braunite, hematite, and quartz are the dominant constituents, with |  | | 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 |  | | Report (issue) | | limonite _ Lepidocrocite (y-FeO(OH) )________ Hematite (a-Fe2O3) _ _ _ __ ___. _ _ Maghemite (7-Fe203)..._____________________ 9. Hematite-rich sedimentary rocks of Paleozoic and Mesozoic 19 age. 10. Hematite-rich rocks...25. Australia and South Africa 37 26-28. Iron, manganese, and minor-element contents of 26. Bog iron ores...(limonite), hematite, and magnetite; siderite, with a substantial range in amounts of manganese, magnesium...the Lahn-Dill district of Germany and the Helen iron-formation of the Michipicoten district of Canada, appear |  | | Journal (article/letter/editorial) | | pp. 612â634. 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) | | by Brusnitsyn, Zhukov. The South Faizuly Manganese Deposit in the Southern Urals: Geology, Petrography...June 2, 2003 AbstractâThe 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 MesozoicâQuaternary. Models of Mn-bearing...considered. INTRODUCTION The South Faizuly manganese deposit is situated in eastern Bashkyrtostan 20 km |  | | Journal (article/letter/editorial) | | October 2022 Our understanding of iron-oxide and manganese-oxide/hydroxide ore deposits is based on a geological...discussed by various researchers (e.g., [2,12â14]). Manganese in nature mostly exists in the oxidation state...Mn-deposit of Fe-Mn mineralization from Milos island, Grammatiko, Legrena and Varnavas Mn-deposit in...and weathering of the whole region. The iron-manganese mineralization in the Legrena (W. Lavrion) and...relationships between the host rocks and the Fe-Mn deposit that resemble those located at the Lavrion mines |  | | 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...birnessite and pyrophanite. Goethite, graphite, hematite and magnetite are the other opaque minerals and...occurrence of well-defined bands of manganese ore; co-folding of manganese ore bands and associated metasedimentary |  | | Book | | AND METALLURGICAL REFRACTORY MATERIALS Iron 75 Manganese ........................................·.·..-...Township near Tatarlar there is a fluorite-lead deposit under exploration. No further description. (1)...Township near Esenceli there is a complex lead-copper deposit. (See Copper) (2) In ïżœile County and Township...harite occur i n two shallow shafts of the copper deposit which assays 3. 12 to 5.86 oz Ag/ton. (See Copper)...lead-zinccopper deposit. (See Copper) (2) In Sar1yer County and Township the copper deposit at R umeli Kavak |  | | 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) | | tandfonline.com/loi/tigr20 Genesis of Chiatura manganese deposit G.S. Dzotsenidze a a Geological Institute...S. Dzotsenidze (1966) Genesis of Chiatura manganese deposit, International Geology Review, 8:5, 559-569...page/terms-and-conditions Genesis of Chiatura manganese deposit G.S. Dzotsenidze UDC 553.061.11:553.32(479...opinion about the origin of Chiatura deposit and suggests that this deposit was formed by hot springs during...volcanic activity. He concludes that the manganese deposit of Chiatura is of exhalative-sedimentary type |  | | Book (volume) | | up 165 for to Temiskaming Cochrane district read district. Ref. 4, under oruetite, add See also... for VVakatipu district, CoUingwood, 294 Zealand read Wakatipu 303 line district, 8 in synonomy...pageite read paigeite. for Algoma district read Sudbury District. in the left Itand figure in the...lithian Lutecium â lutecian Magnesium â magnesian Manganese â manganoan, manganian Mercury â mercuroan, mercurian...occurs in notable amounts in three main types of deposit: in veins of hydrothermal and related solidated |  | Leal, P. R., Correa, M. J., Ametrano, S. J., Etcheverry, R. O., de Brodtkorb, M. K. (2008) THE MANGANESE DEPOSITS OF THE PAMPEAN RANGES, ARGENTINA. The Canadian Mineralogist, 46 (5) 1215-1233 doi:10.3749/canmin.46.5.1215 | Journal (article/letter/editorial) | | 1215-1233 (2008) DOI : 10.3749/canmin.46.5.1215 THE MANGANESE DEPOSITS OF THE PAMPEAN RANGES, ARGENTINA Pablo...Buenos Aires, Argentina Abstract The example of manganese mineralization studied in this paper makes up...cryptomelane) associated with Fe3+ oxides (goethite and hematite) are the main ore minerals. Calcite, opal, barite...fluids. Finally, the chemical composition of manganese oxides supports the hypothesis of an epithermal...developed in continental environments. Keywords: manganese, epithermal deposits, Sierras Pampeanas, Ambargasta |  | | Report (issue) | | International Strategic Minerals Inventory Summary Report-Manganese Major geologic age units Million years before... International Strategic Minerals Inventory Summary Report-Manganese By John H. DeYoung, Jr., David M. Sutphin, and...of Australia, Canada, the Federal Republic of Germany, the Republic of South Africa, and the United States...inventory information about major deposits of manganese, one of the mineral commodities selected for the...Sutphin of the U.S. Geological Survey (USGS). Manganese inventory information was compiled by William |  | | Journal (article/letter/editorial) | | Hydrothermal origin of soft hematite ore in the QuadrilĂĄtero FerrĂfero of Minas Gerais, Brazil: petrographic...iron ore deposit A. R. Cabral, O. G. Rocha Filho and R. D. Jones The high-grade soft hematite ore from...Minas Gerais, Brazil, consists of laminae of platy hematite that define a prominent foliation (S1), generally...goethitic matrix with S1-parallel crystals of platy hematite. Both the laminae and bands are overprinted by...fine-grained crystals (~2â20 mm in length) of platy hematite that pervade along the banding at low angle without |
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