 | | 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 Lithiophorite from the Sungarsk deposit, Salair, studied by P. F. Andrushenko (unpublished...Li2O and 26.0% A1 2 O 3 .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 |  | | Journal (article/letter/editorial) | | mineralsdefinitely. In theseveins,hollandite,psilomelane, cryptomelane, For manyyears,the identityof thesemineralscould...thesemineralscould and coronaditeare the most abundant manganese bepositively determined onlyif goodcrystals or good...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 |  | Cabral, A. R., Lehmann, B., Sattler, C. D., Pires, F. R. M., Kaneko, K. (2002) HgâTl-bearing manganese oxide from Conta HistĂłria manganese deposit, QuadrilĂĄtero Ferrifero, Minas Gerais, Brazil. Applied Earth Science, 111 (2) 123-127 doi:10.1179/aes.2002.111.2.123 | Journal (article/letter/editorial) | | HgâTl-bearing manganese oxide from Conta HistĂłria manganese deposit, QuadrilĂĄtero Ferrifero, Minas Gerais...geochemical data on the manganese ore of the Conta HistĂłria manganese oxide deposit, which are presented...(Table 1), suggesting an event of hydrothermal manganese oxide mineralization in the QuadrilĂĄtero FerrĂfero...FerrĂfero, the world-class iron district of Minas Gerais, Brazil, numerous manganese oxide deposits Table 1 ...March 2016 Geological setting and Conta HistĂłria deposit Situated in the eastern part of the QuadrilĂĄtero |  | | 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...complex of south Orissa, India. Manganese minerals recorded are cryptomelane, romanechite, pyrolusite, with...occurrence of well-defined bands of manganese ore; co-folding of manganese ore bands and associated metasedimentary...Na versus Mg plots of the manganese ores suggest that the Nishikhal deposit is a metamorphosed Precambrian |  | Zhao, Liqun, Niu, Sida, Niu, Xianglong, Chen, Tong, Wang, Yingchao, Li, Lei, Huang, Fei, Wu, Huaying, Mo, Lingchao, Zhang, Min (2022) Manganese Oxide Minerals from the Xiangtan Manganese Deposit in South China and Their Application in Formaldehyde Removal. Minerals, 12 (5) 552 doi:10.3390/min12050552 | Journal (article/letter/editorial) | | minerals Article Manganese Oxide Minerals from the Xiangtan Manganese Deposit in South China and Their...; Mo, L.; Zhang, M. Manganese Oxide Minerals from the Xiangtan Manganese Deposit in South China and Their...the active Mn-O octahedron in cryptomelane, cryptomelane-type manganese oxides have high activity in the...compounds (VOCs). Natural cryptomelane, in the form of supergene oxide manganese ore, carpets much of South...southeastern Yangtze Platform, cryptomelane is one of the major manganese oxides in black shale of the |  | | Journal (article/letter/editorial) | | 1994 Mineralogy and genesis deposit, South of Kutinga Orissa, manganese India B.C. ACHARYA,D.S. RAo...Field characters, mineralogy and geochemistryof manganese ores suggesttheir formationas chemicalprecipitates...physicalbeneficiation. Keywords: Eastern Ghats complex, India, Manganese,Phosphorous,Mineral chemistry, Geochemistry,Genesis...Genesis I. morphic terrain, where manganese oxides were considered to have been derived as alteration...total reserve of 176 million metric tonnes of manganese ore, but most of it is either low or off grade |  | | 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...dominant constituents, with minor pyrolusite, cryptomelane, and chalcedony as products of supergene alteration |  | | Journal (article/letter/editorial) | | Features and Composition of the Akkermanov Manganese Deposit A. A. Sharkov Fedorovskii All-Russia Research...24, 2007 AbstractâNew data on the Akkermanov deposit characterized by specific structure and composition...composition of primary (carbonate) and secondary (manganese oxide) ores are presented. Distribution of mineralization...of the oxidation of manganese compounds. In this respect, the Akkermanov deposit differs drastically...drastically from all manganese deposits developed in Russia and Ukraine. DOI: 10.1134/S0024490209010027 The Akkermanov |  | Niu, Sida, Zhao, Liqun, Lin, Xiaoju, Chen, Tong, Wang, Yingchao, Mo, Lingchao, Niu, Xianglong, Wu, Huaying, Zhang, Min, Huizenga, Jan Marten, Long, Peng (2021) Mineralogical Characterization of Manganese Oxide Minerals of the Devonian Xialei Manganese Deposit. Minerals, 11 (11) 1243 doi:10.3390/min11111243 | Journal (article/letter/editorial) | | Characterization of Manganese Oxide Minerals of the Devonian Xialei Manganese Deposit Sida Niu 1,2 , Liqun...Characterization of Manganese Oxide Minerals of the Devonian Xialei Manganese Deposit. Minerals 2021, 11...Region is an important manganese ore district in Southwest China, with manganese ore resource reserves...23% of the total manganese ore resource reserves in China. The Xialei manganese deposit (Daxin County,... Guangxi) is the first super-large manganese deposit discovered in China. The Mn oxide in the supergene |  | 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...(hollandite, pyrolusite, ramsdellite, romanĂšchite and cryptomelane) associated with Fe3+ oxides (goethite and hematite)...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 |  | | Journal (article/letter/editorial) | | Springer-Verlag 1995 4~ ages of Precambrian manganese ore minerals from Sweden, India and Morocco H... Im Neuenheimer Feld 234, D-69120 Heidelberg, Germany Received: 15 June 1993/Accepted: 13 May 1994 Abstract...five manganese ore minerals of the hollandite-cryptomelane series from three Precambrian manganese deposits...obtained for a hollandite from a volcanogenic vein deposit (Bachkoun), however, contragts with published extrusion...dates between 0.96 and 0.31 Ga. Potassium-bearing manganese oxides are therefore able to retain argon (possibly |  | Dekoninck, Augustin, MoniĂ©, Patrick, Blockmans, Sabine, Hatert, FrĂ©dĂ©ric, Rochez, GaĂ«tan, Yans, Johan (2019) Genesis and 40Ar/39Ar dating of K-Mn oxides from the Stavelot Massif (Ardenne, Belgium): Insights into Oligocene to Pliocene weathering periods in Western Europe. Ore Geology Reviews, 115. 103191 doi:10.1016/j.oregeorev.2019.103191 | Journal (article/letter/editorial) | | Belgium b c ARTICLE INFO ABSTRACT Keywords: Manganese deposit Ardenne Stavelot-Venn Massif K-Mn oxide Weathering...secondary Mn oxides,âhydroxides andâoxyhydroxides (cryptomelane, nsutite, lithiophorite, manganite, pyrolusite)...the weathering fluids, while the formation of cryptomelane and then lithiophorite in veins is associated...weathering-type deposit in the SalmchĂąteau area and a carbonate-hosted sedimentary deposit in the Chevron...transition metals (As, Co, Cu, Ni). Dating of pure cryptomelane samples corroborate the multistage character |  | Santos, Felipe Holanda dos, Amaral, Wagner da Silva, Konhauser, Kurt, Martins, Douglas Teixeira, Castro, Marco Paulo de, Queiroga, Glaucia Nascimento, Chi Fru, Ernest, Andersen, Morten B. (2021) Unraveling sedimentary precursors and metal enrichment of high-grade metamorphosed manganese-rich rocks from the Borborema Province, northeastern Brazil. Ore Geology Reviews, 137. 104283pp. doi:10.1016/j.oregeorev.2021.104283 | Journal (article/letter/editorial) | | metal enrichment of high-grade metamorphosed manganese-rich rocks from the Borborema Province, northeastern...Keywords: Paleoproterozoic Borborema Province Manganese ore Sedimentary protolith Anoxic sediments Amphibolite...conditions The Paleoproterozoic Lagoa do Riacho manganese deposit in the Borborema Province is central to unravelling...unravelling the genesis of Paleoproterozoic manganese deposits, Paleoproterozoic redox evolution and genetic...African Craton. With manganese contents averaging 35 wt%, the Lagoa do Riacho manganese unit is lithologically |  | | Journal (article/letter/editorial) | | Isotopic Composition of MnO(OH) Minerals from Manganese Oxide and Massive Sulfide (Kuroko) Deposits in...of structural water in MnO(OH) minerals from manganese oxide and massive sulfide deposits (Kuroko) in...ocean water (SMOW). The 6D of two manganites from manganese deposits in Paleozoic formations were - 2 3 6...indicating a wider range than in those of Tertiary manganese deposits. The MnO(OH) minerals are more deuterium-depleted...Kuroko and Cyprus-type massive sulfide deposits. Manganese deposits are considered to be connected with submarine |  | | Journal (article/letter/editorial) | | modifications of the Earthâs surface. Potassium-bearing manganese oxides are a ubiquitous feature of weathering...possibility of dating K-rich manganese oxides from the hollandite group, such as cryptomelane (K1-2Mn8O16, nH2O)...lateritic manganese ore deposit of Tambao (northern Burkina Faso), a present unexploited deposit among the...the cryptomelane-richest in the world. Two samples of massive Mn-rich concretions (10mm and 4mm in thickness)...formations are composed of successive Na-rich cryptomelane layers, with Na/(Na 1 K 1 Ba) up to 20%. Seven |  | | Journal (article/letter/editorial) | | haematite ore: the preliminary data from FaÌbrica deposit, QuadrilaÌtero FerrıÌfero, Minas Gerais, Brazil...Brazil A. R. Cabral*1 and A. V. CorreÌa Neto2 Manganese oxide veinlets occur in high grade compact haematite...in Brazil. The veinlets are microbreccias of cryptomelane and minor mechanically twinned haematite, with...twinned haematite, FaÌbrica deposit, Minas Gerais, Brazil Introduction Manganese in high grade haematite...oxides in compact haematite from the FaÌbrica deposit in Brazil. FaÌbrica belongs to a mining complex |  | Dekoninck, A., Bernard, A., Barbarand, J., Saint-Bezar, B., Missenard, Y., Lepretre, R., Saddiqi, O., Yans, J. (2016) Detailed mineralogy and petrology of manganese oxyhydroxide deposits of the Imini district (Morocco) Mineralium Deposita, 51 (1) 13-23 doi:10.1007/s00126-015-0590-3 | Journal (article/letter/editorial) | | mineralogy and petrology of manganese oxyhydroxide deposits of the Imini district (Morocco) A. Dekoninck 1...2015 Abstract Manganese ore in the Cenomanian-Turonian dolostone of the Imini district (south of the...content due to the occurrence of pyrolusite, cryptomelane, hollandite sensu stricto, coronadite, romanechite...Pyrolusite is the main Mn oxide observed in the Imini district during both early and late stages. The superficial...Mn oxides and oxyhydroxides. Keywords Imini . Manganese deposits . Weathering . Cretaceous dolostone |  | Del Rio Salas, R., Ruiz, J., Ochoa-LandĂn, L., Noriega, O., Barra, F., Meza-Figueroa, D., Paz-Moreno, F. (2008) Geology, Geochemistry and ReâOs systematics of manganese deposits from the Santa RosalĂa Basin and adjacent areas in Baja California Sur, MĂ©xico. Mineralium Deposita, 43 (4) 467-482 doi:10.1007/s00126-008-0177-3 | Journal (article/letter/editorial) | | Geology, Geochemistry and ReâOs systematics of manganese deposits from the Santa RosalĂa Basin and adjacent...March 2008 # Springer-Verlag 2008 Abstract The manganese ores in the Santa RosalĂa region, western Mexico...sedimentary cycles of the Miocene BolĂ©o Formation. The manganese mineralization is generally restricted to isolated...mineralized system. The manganese oxide minerals include pyrolusite, cryptomelane, todorokite, hollandite...jacobsite, and pyrochroite. Trace elements in the manganese ores indicate a hydrothermal origin for the deposits |  | | Journal (article/letter/editorial) | | Asbestiform manjiroite and todorokite from the Kalahari manganese field, South Africa J. Gutzmer and Nicolas J....braunite-kutnahorite lutite at the Smartt Mine in the Kalahari manganese field, South Africa. Geological evidence and preliminary...to 10cm, occur at Smartt mine in the Kalahari manganese field. The occurrence was first noted by Frankel...minerals as finely intergrown aggregates of cryptomelane and montmorillonite. Later Van Biljon (referred...investigation, however, it was found that the asbestiform manganese oxyhydroxides in fact represent a microscopic |  | | Journal (article/letter/editorial) | | dating of supergene Mn-oxides from the Zunyi Mn deposit, Guizhou Plateau, SW China: Implications for chemical...Mn-oxides from a weathering proïŹle at the Zunyi manganese deposit, northern Guizhou Plateau, SW China, were...in lateritic weathering proïŹles and supergene manganese deposits (Parc et al., 1989; Nahon and Parc, 1990;...dating of supergene Mn-oxides from the Zunyi Mn deposit, Guizhou Plateau, SW China: Implications for chemical...lateritic weathering proïŹle in the Zunyi manganese deposit, northern Guizhou Plateau. The observed age |  | | Report (issue) | | Stable-Isotope Study of Volcanogenic- and Sedimentary-Manganese Deposits by Hsueh-Wen Yen, James R. Hein, and...comprehensive study of volcanogenic- and sedimentary-manganese deposits, we have conducted stable-isotope analyses...of manganese minerals and (2) improve our understanding of the origin and evolution of manganese deposits...interpretations are given here. The iV18 o values of manganese-oxide minerals from stratiform deposits in Nevada...oxygen-isotope fractionation factors between manganese oxide minerals and water are ~1.001 at 2°C, and |  | | Journal (article/letter/editorial) | | Mineralogy and Geochemistry of an Epithermal Manganese District, Sierras Pampeanas, Argentina Pablo R. Leal...Mineralogy and Geochemistry of an Epithermal Manganese District, Sierras Pampeanas, Argentina, International...Mineralogy and Geochemistry of an Epithermal Manganese District, Sierras Pampeanas, Argentina PABLO R. LEAL1...University] at 06:53 26 June 2016 Abstract The manganese mineralization studied in this paper represents...veins are mainly controlled by faults, where the manganese is found mainly as fault-breccia cement. These |  | Garnit, Hechmi, Kraemer, Dennis, Bouhlel, Salah, Davoli, Mariano, Barca, Donatella (2020) Manganese ores in Tunisia: Genetic constraints from trace element geochemistry and mineralogy. Ore Geology Reviews, 120. 103451 doi:10.1016/j.oregeorev.2020.103451 | Journal (article/letter/editorial) | | Journal Pre-proofs Manganese ores in Tunisia: Genetic constraints from trace element geochemâ istry and...D. Kraemer, S. Bouhlel, M. Davoli, D. Barca, Manganese ores in Tunisia: Genetic constraints from trace...pertain. © 2020 Published by Elsevier B.V. 1 2 Manganese ores in Tunisia: Genetic constraints from trace...University Bremen, Campus Ring 1, 28759 Bremen, Germany 11 12 (3) Department 13 Corresponding author:...mineralization. In 35 the Tamra Fe-Mn deposit (Nappes zone, polymetallic district and volcanosedimentary 36 context) |  | FAN, Chenzi, WANG, Ling, FAN, Xingtao, ZHANG, Yu, ZHAO, Linghao (2015) The mineralogical characterization of argentian cryptomelane from Xiangguang MnâAg deposit, North China. Journal of Mineralogical and Petrological Sciences, 110 (5) 214-223 doi:10.2465/jmps.150119 | Journal (article/letter/editorial) | | characterization of argentian cryptomelane from Xiangguang MnâAg deposit, North China Chenzi FAN*, Ling...Geosciences, Wuhan, 430074, P.R. China ** Argentian cryptomelane as a quite rare variety is determined during...investigation of MnâAg ore samples from Xiangguang deposit along the northern margin of North China craton...and nanorods in this densely natural argentian cryptomelane. The speciïŹcally chemical features in two samples...samples of XGâCâ1 and XGâCâ2 of cryptomelane are: (1) (K0.55Na0.08Ca0.06Zn0.04Ag0.03Pb0.02Mg0.01)0.79(Mn7 |  | LU, Anhuai, GAO, Xiang, WANG, Changqiu, GAO, Yongwen, ZHENG, Desheng, CHEN, Tianhu, ZHAO, Dongjun, QIN, Shan (2007) Natural cryptomelane and its potential application in the adsorption of heavy metal cadmium. Journal of Mineralogical and Petrological Sciences, 102 (4) 217-225 doi:10.2465/jmps.060412 | Journal (article/letter/editorial) | | Naturaland cryptomelane andSciences, its potential application 217 Natural cryptomelane and its potential...Xiangtan manganese deposit (XTM) was formerly considered a supergene oxide manganese deposit in South...new identification of naturally outcropping cryptomelane from the XTM, rather than psilomelane and pyrolusite...considered. Most crystals in aggregates of XTM cryptomelane are acicular, with a diameter from 20 nm to...There are large pseudotetragonal tunnels in the cryptomelane formed by [MnO6] octahedral double chains with |
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