 | Dekoninck, Augustin, Monié, Patrick, Blockmans, Sabine, Hatert, Frédéric, Rochez, Gaëtan, 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) | | 61 rue de Bruxelles B-5000 Namur, Belgium Géosciences Montpellier, UMR-CNRS 5243, Université de Montpellier...Montpellier, France Service Géologique de Wallonie, DGO3, Service Public de Wallonie, 14 Avenue Prince de Liège...B-5100, Jambes, Belgium d Laboratoire de Minéralogie, Université de Liège, 14 allée du six août B-4000,...Belgium b c ARTICLE INFO ABSTRACT Keywords: Manganese deposit Ardenne Stavelot-Venn Massif K-Mn oxide Weathering...pyrolusite), clays (mainly kaolinite) and Fe oxides (goethite). In this paper, we investigate the weathering |  | Verhaert, Michèle, Gautheron, Cécile, Dekoninck, Augustin, Vennemann, Torsten, Pinna-Jamme, Rosella, Mouttaqi, Abdellah, Yans, Johan (2022) Unravelling the Temporal and Chemical Evolution of a Mineralizing Fluid in Karst-Hosted Deposits: A Record from Goethite in the High Atlas Foreland (Morocco) Minerals, 12 (9) 1151 doi:10.3390/min12091151 | Journal (article/letter/editorial) | | Fluid in Karst-Hosted Deposits: A Record from Goethite in the High Atlas Foreland (Morocco) Michèle Verhaert...Fluid in Karst-Hosted Deposits: A Record from Goethite in the High Atlas Foreland (Morocco). Minerals... Department of Geology, University of Namur, Rue de Bruxelles 61, 5000 Namur, Belgium Geosciences Paris...(GEOPS), Université Paris Saclay, 91404 Orsay, France Institute of Earth Surface Dynamics, University...Lausanne, Switzerland Office National des Hydrocarbures et des Mines, Avenue Moulay Hassan 5, BP 99, Rabat 10000 |  | | Journal (article/letter/editorial) | | 70910-900 Brazil * Corresponding author 1 2 Manganese-bearing rocks consisting of anhedral Mn- and Fe-oxyhydroxides...Fe-oxyhydroxides (cryptomelane, goethite), kaolinite, tiny cerianite and zircon grains (< 10 µm), and...processes led likely to the concentration of manganese in the Lake Chad water and beneath, well before...near-surface manganese formations already concentrated by sedimentary processes. Keywords: manganese, trace...handling editor: M. Štemprok 1. Introduction Manganese deposits can be formed by hydrothermal, sedimentary |  | | Book (edition) | | gangue mineral may be considered as waste in one deposit and as ore mineral in another (e.g., hedenbergite)...particular sample derives from the stockwork of such a deposit, it will normally contain amorphous silica/opal...in modern hydrothermal equivalents (e.g., JADE deposit, Okinawa Trough, Japan). Thus, metasomatic/metamorphic...above): Barnes and Hay (1983), Blatter (1997), Boström et al. (1979), Cabri and Laflamme (1997), Cairncross...(1979), Dobrovolskaya (1999), Dunn (1995), Dyuzhikov et al. (1999), Excursion-Participants (2002), Favreau |  | | Journal (article/letter/editorial) | | MINERALOGICAL MAGAZINE, VOLUME 62A 4~ dating of African manganese pisolites: implication for Cenozoic climatic changes...Aix-enProvence Cedex 04, France G. Ruffet UMR GSosciences Azur, Universit8 de Nice Sophia-Antipolis,...Nice cedex 2, France F. Colin ORSTOM, CEREGE-BP 80, 13545 Aix-en-Provence Cedex 04, France Chemical and...Chukhrov et aI. (1966), using the K-Ar dating method, direct dating of potassium-rich manganese oxides...shown by the studies of Vasconcelos et al. (1992 and 1994) and Ruffet et al. (1996). Cryptomelane is well |  | | 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...braunite, lithiophorite, birnessite and pyrophanite. Goethite, graphite, hematite and magnetite are the other...occurrence of well-defined bands of manganese ore; co-folding of manganese ore bands and associated metasedimentary |  | | Book | | Manganese Ores of Supergene Zone: Geochemistry of Formation by IGOR M. VARENTSOV Geological Institute...1930s-1990s 1.3. Methodical Aspects 1 6 15 2. MANGANESE ORES IN WEATHERING CRUSTS 20 2.1. Introduction...Crusts 2.2.1. Model Test Area: Groote Eylandt Deposit, North Australia 2.2.1.1. Introduction 2.2.1.2...1.3. Stratigraphy 2.2.1.4. Structure 2.2.1.5. Manganese Oxyhydroxide Ores 2.2.1.5.1. Structure of the...11. Conclusion 2.2.2. Model Test Area: Moanda Deposit, Gabon, West Africa 2.2.2.1. Introduction 20 20 |  | | Journal (article/letter/editorial) | | Sedimentation and diagenesis of an Oligocene manganese deposit in a shallow subbasin of the Paratethys: Thrace...carbonate to elastic facies, thin and discontinuous manganese ores at Binkilic consist of interlayers of dominantly...Introduction Small ore deposits of sedimentary manganese occur in the Thrace basin, an extension of the...the Paratethys seaway in westernmost Turkey (Fig. la). These early Oligocene deposits are coeval and at...at least intermittently connected with the manganese “Giants” farther to the east in the Paratethys (Nikopol |  | | Journal (article/letter/editorial) | | Springer-Verlag 1993 Manganese oxide mineralogy, petrography and genesis, Pilbara Manganese Group, Western...Accepted: June 30, 1992 Abstract. Supergene manganese oxides, occurring in shales, breccias and dolomites...Proterozoic Age, in the Western Australian Pilbara Manganese Group, have Mn/Fe ranging from 1.9 to 254 and...(Total) of 0.49-0.94. The manganese mineralogy is dominated by tetravalent manganese oxides, especially by...manjiroite, romanechite and other manganese oxide minerals. The manganese minerals are commonly associated |  | 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) | | Microbial processes and the origin of the Úrkút manganese deposit, Hungary M. Polgári a,⁎, J.R. Hein b, T. Vigh...Keywords: Geomicrobiology Geochemistry Hydrothermal Manganese deposits Black shale Jurassic Microbial genetic...ore deposits. Formation of black shale-hosted manganese-carbonate ores is an example of a low-temperature...characteristic of non-sulphidic, oxic environments (Polgári et al., 2004). Early diagenetic bacterially mediated...(Fan et al., 1996; Hein and Fan, 1999; Hein et al., 1989; Huckriede and Meischner, 1996; Larsen et al. |  | | Journal (article/letter/editorial) | | its Genetic Implication for the Um Bogma Manganese Deposit, Southwestern Sinai A. Segev Mineral & Energy...carboniferous sequence. This region is well known for the manganese ore lenses which occur in the dolomite beds at...clays, predominantly kaolinite, gypsum, halite, manganese and iron oxides. In the gibbsite, Pb, Zn and Cu...bauxites (Gardner, 1970; Chesworth, 1972; Eswarn et al., 1977) and their association with hydrothermal...hydrothermal activity (Lovering and Shepard, 1960; Hewett et al., 1968). Gibbsite with associated clay minerals |  | | Journal (article/letter/editorial) | | Nouvelle-Calédonie, France CEREGE, UMR 161, BP 80, 13545 Aix-en-Provence Cedex 4, France Géosciences Rennes...CNRS-Université de Rennes 1, Campus de Beaulieu Av. du Général Leclerc, 35042 Rennes Cedex, France b c Received...UR037, BP A5, 98848 Nouméa, Nouvelle-Calédonie, France. Tel.: +33 687 26 07 59; fax: +33 687 26 07 69...reserved. doi:10.1016/j.epsl.2005.06.052 F. Colin et al. / Earth and Planetary Science Letters 238 (2005)...ubiquitous mineral of lateritic manganese weathering mantles and associated manganese crusts with concretionary |  | | 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., [2,12–14]). 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 |  | | Book (volume) | | Emberger and the following national chapters: France and Luxembourg by J. Bouladon Spain by F. Vazquez...concept arose from the work on the Carte mitalloginique de l' Europe 1:2500 000. This map, which has created...Romania and Yugoslavia; and Southwest Europe embraces France, Spain, Portugal and Italy. Each volume has an...of large sedimentary basins Conclusions 30 31 France and Luxembourg by J. Bouladon Introduction 37...Devonian Vein-type deposits Fluorite . Baryte • Manganese Uranium. Magnesite and siderite • Eastern Pyrenees |  | | 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) | | Netherlands NATURE AND DEVELOPMENT OF SUPERGENE MANGANESE DEPOSITS, GROOTE EYLANDT, NORTHERN TERRITORY,..., 4: 71-98. of supergene manganese deposits, Groote Supergene manganese ores occur on Groote Eylandt...(psilomelane), todorokite, quartz, kaolinite, goethite and hematite. Probably with the exception of todorokite...reaction between divalent iron and tetravalent manganese. Other leaching processes are of subordinate importance...products are compared with secondary ores of other manganese deposits and it can be seen that in spite of different |  | 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 geochem‐ 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...(3) 5 6 7 8 (1) Université de Tunis El Manar, Faculté des Sciences de Tunis, Mineralogy and Geochemistry...Group, LR01ES06 Laboratoire des Ressources Minérales et Environnement, 2092, Tunis, Tunisie 9 10 (2) Department |  | | Journal (article/letter/editorial) | | 101, pp. 385–405 Cretaceous Karstic Cave-Fill Manganese-Lead-Barium Deposits of Imini, Morocco J. GUTZMER†...Abstract The economically important high-grade manganese ores of the Imini district, Morocco, are exceptional...is ample evidence that the three strata-bound manganese orebodies of the Imini district formed in a laterally...marine dolostone succession of Cretaceous age. The manganese ores occur in dolostone breccias and ferruginous...Later phases of cave fill are ferruginous without manganese enrichment. Ore formation, karstification, and |  | Ahmadi, J., Mirnejad, H., Modabberi, S., Niroomand, S. (2019) Geochemical Evidence for the Depositional Environment of the Esfandaghe Manganese Deposit, Kerman Province, Iran. Geochemistry International, 57 (3) 266-281 doi:10.1134/s0016702919030030 | Journal (article/letter/editorial) | | Depositional Environment of the Esfandaghe Manganese Deposit, Kerman Province, Iran1 J. Ahmadia, H. Mirnejada...November 27, 2018 Abstract⎯The Esfandaghe manganese deposit is located in the east of Esfandaghe village...late Jurassic volcanic rocks. Mn/Fe ratio in manganese ore bodies varies from 0.10 to 43.82 and the position...Esfandaghe manganese deposit. Cu, Zn, Ni, Co and HREEs are enriched in Esfandaghe manganese relative to...Australian Shale. REE contents in the Esfandaghe Mn deposit vary from 22 to 313 ppm, conformable with REE concentration |  | Polgári, Márta, Hein, J.R., Tóth, A.L., Pál-Molnár, E., Vigh, T., Bíró, L., Fintor, K. (2012) Microbial action formed Jurassic Mn-carbonate ore deposit in only a few hundred years (Úrkút, Hungary) Geology, 40 (10) 903-906 doi:10.1130/g33304.1 | Journal (article/letter/editorial) | | Microbial action formed Jurassic Mn-carbonate ore deposit in only a few hundred years (Úrkút, Hungary) Márta...Microbial action formed Jurassic Mn-carbonate ore deposit in only a few hundred years (Úrkút, Hungary) Márta...8409, Hungary 2 ABSTRACT The Úrkút (Hungary) manganese (Mn) ore, hosted by Jurassic black shale, was...communities. If true, then the giant Úrkút ore deposit may have formed over hundreds of years, rather...tidal flats along coasts (e.g., Noffke et al., 2003, 2006; Eriksson et al., 2007). This biophysical interaction |  | Gracheva, Maria, Homonnay, Zoltán, Kovács, Krisztina, Béres, Kende Attila, Biondi, Joăo Carlos, Wenchao, Yu, Kovács Kis, Viktória, Gyollai, Ildikó, Polgári, Márta (2021) Mössbauer characterization of microbially mediated iron and manganese ores of variable geological ages. Ore Geology Reviews, 134. 104124pp. doi:10.1016/j.oregeorev.2021.104124 | Journal (article/letter/editorial) | | characterization of microbially mediated iron and manganese ores of variable geological ages Maria Gracheva...Neoproterozoic Urucum iron and manganese deposit (Brazil) and Carboniferous and Permian manganese carbonate deposits...composition and particle size. Probes from Urucum deposit revealed that the rocks consist mainly of hematite...conventional diffrac tion methods fail (Kuzmann et al., 1998). Natural Fe oxides and (oxy-) hydroxides...evolution during crystallization of the magma (Cao et al., 2017). A great advantage of Mössbauer spectroscopy |  | Del Rio Salas, R., Ruiz, J., Ochoa-Landín, L., Noriega, O., Barra, F., Meza-Figueroa, D., Paz-Moreno, F. (2008) Geology, Geochemistry and Re–Os systematics of manganese deposits from the Santa Rosalía Basin and adjacent areas in Baja California Sur, México. Mineralium Deposita, 43 (4) 467-482 doi:10.1007/s00126-008-0177-3 | Journal (article/letter/editorial) | | Geology, Geochemistry and Re–Os systematics of manganese deposits from the Santa Rosalía Basin and adjacent...March 2008 # Springer-Verlag 2008 Abstract The manganese ores in the Santa Rosalía region, western Mexico...sedimentary cycles of the Miocene Boléo Formation. The manganese mineralization is generally restricted to isolated...feeder zones for the mineralized system. The manganese oxide minerals include pyrolusite, cryptomelane...jacobsite, and pyrochroite. Trace elements in the manganese ores indicate a hydrothermal origin for the deposits |  | Pack, A., Gutzmer, J., Beukes, N. J., van Niekerk, H. S., Hoernes, S. (2000) Supergene Ferromanganese Wad Deposits Derived from Permian Karoo Strata along the Late Cretaceous-Mid-Tertiary African Land Surface, Ryedale, South Africa. Economic Geology, 95 (1) 203-220 doi:10.2113/gsecongeo.95.1.203 | Journal (article/letter/editorial) | | previously unknown type of ferromanganese wad deposit is described at the Ryedale mine situated 110 km...reducing and acidic ground water that leached manganese and iron from the underlying Malmani dolomite...Johannesburg (Fig. 1). The deposits were first described by De Villiers (1960), who suggested that they were all...However, recently (Gutzmer and Beukes, 1994; Beukes et al., 1999) it was found that some of the deposits...deposits by De Villiers (1960) thus had to be modified to include the newly discovered type of deposit (Fig |  | | Journal (article/letter/editorial) | | represented by large specimens, are Predominant in the deposit, or have high scientific interest appear in UPPERCASE...enclosing bundles of acicular and minute balls of GOETHITE. earthy hematite, quartz (Broadhead 1873b, 1877)...Bluff CALCITE as yellow scalenohedra, DOLOMITE, goethite (limonite), QUARTZ. Callaway County Knight bank...aragonite, barite, CALCITE, CHALCOPYRITE, DOLOMITE, GOETHITE, GYPSUM, hematite, jarosite, KAOLINITE, malachite...BARITE, CHALCOPYRITE, goethite (limonite), MALACHITE in drusy cavities in goethite, smithsonite, and sphalerite |  | | Journal (article/letter/editorial) | | Editor: Nigel Cook] ABSTR ACT The Kabwe Zn-Pb deposit (central Zambia) consists of a cluster of mixed...been detected at the ppm level in W1, sphalerite, goethite and hematite. Germanium occurs at ppm levels in...amounts in hemimorphite, goethite and hematite. Indium has low concentrations in goethite and hematite. These...ablation inductively coupled plasma mass spectrometry (LA-ICP-MS), Zambia. Introduction *E-mail: nicola.mondillo@unina...‘non-sulfide’ is used to define a type of Zn-Pb ore deposit dominated by ‘oxidized’ Zn and Pb ore minerals |
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