 | Choulet, Flavien, Barbanson, Luc, Buatier, Martine, Richard, James, Vennemann, Torsten, Ennaciri, Aomar, Zouhair, Mohamed (2017) Characterization and origin of low-T willemite (Zn2SiO4) mineralization: the case of the Bou Arhous deposit (High Atlas, Morocco) Mineralium Deposita, 52 (7) 1085-1102 doi:10.1007/s00126-016-0675-7 | Journal (article/letter/editorial) | | (Zn2SiO4) mineralization: the case of the Bou Arhous deposit (High Atlas, Morocco) Choulet Flavien 1 & Barbanson...in the carbonate-hosted Bou Arhous zinc deposit. This deposit is located in the High Atlas intracontinental...Université de Bourgogne Franche-Comté/CNRS, Besançon, France 2 Institut des Sciences de la Terre d’Orléans...d’Orléans/CNRS/BRGM, Orléans, France 3 Institut des Dynamiques de la Surface Terrestre, Université de Lausanne, Lausanne...willemite. Keywords Willemite . Non-sulfide zinc ore deposit . Cathodoluminescence . Germanium . Stable isotopes |  | 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...Université de Franche-Comté/CNRS, 25030 Besançon cedex, France d State Key Laboratory of Ore Deposit Geochemistry..._____________ Abstract The Cheshmeh-Frezi Mn deposit belongs to the southwest Sabzevar basin to the |  | 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...spessartine, muscovite, chloritoïd, andalusite, hematite) into secondary Mn oxides,—hydroxides and—oxyhydroxides |  | | 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) | | 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...significant amounts of Fe in the mineral, and Palache et al. (1954) report a ferrian braunite, with a Fe: |  | 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) | | 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...dekoninck@unamur.be Abstract: Timing and duration of ore deposit formation are crucial to understanding the mineralization...(U-Th)/He dating; stable isotope; δD; δ18 O; manganese; Imini; anti-atlas; Morocco 10.3390/min12091151 |  | 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...Université de Paris, Institut de Physique du Globe de Paris, CNRS, F-75005 Paris, France 3 ESRF, European...Facility, 6 rue Jules Horowitz, 38043 Grenoble Cedex, France 1 Abstract Because of their unique structure...technique, recently optimized at ID09A beamline (ESRF, France), to determine the crystal structure of this mineral...modeling suggest that the mineral, coexisting with hematite, Mn-rich epidote, and braunite, formed during |  | | 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 |  | | Journal (article/letter/editorial) | | Hydrothermal origin of manganese in the high-pressure ophiolite metasediments of Praborna ore deposit (Aosta Valley...Equipe Géobiosphère actuelle et primitive; Institut de Physique du Globe de Paris, Université Paris-Diderot...place, Jussieu, 75005 Paris, France Abstract: The manganese ore deposit of Praborna crops out in the...were collected to geochemically characterise the deposit. Selected phases (piemontite, braunite, garnet...the hydrothermal origin of the Praborna Mn ore deposit, we built up a database of more than 5000 data |  | | Journal (article/letter/editorial) | | sphalerite will precipitate under oxidizing (e.g., hematite-stable, sulfate-predominant) and alkaline (pH...willemite deposit in the Adelaide geosyncline of South Australia. This small, high grade deposit (850,000...Callanna Group. The orebody is associated with hematite alteration and is characterized by the total absence...sulfide by the precipitation of ferrous iron as hematite, resulting in the precipitation of sphalerite...(Takahashi, 1960) and Broken Hill in Rhodesia (Bariand et al., 1977), but it also may be associated with m |  | | 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 |  | 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 |  | | 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...The mineralogy of the ore is simple; braunite, hematite, and quartz are the dominant constituents, with |  | | 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...activity. The paragenesis consists of 18 identified manganese oxide-, silicate- and carbonate minerals. Rhodonite...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 |  | Zaccarini, F., Garuti, G., Ortiz-Suarez, A., Carugno-Duran, A. (2004) THE PARAGENESIS OF PYROPHANITE FROM SIERRA DE COMECHINGONES, CORDOBA, ARGENTINA. The Canadian Mineralogist, 42 (1) 155-168 doi:10.2113/gscanmin.42.1.155 | Journal (article/letter/editorial) | | (2004) THE PARAGENESIS OF PYROPHANITE FROM SIERRA DE COMECHINGONES, CÓRDOBA, ARGENTINA FEDERICA ZACCARINI...ANDRES CARUGNO-DURAN Departamento de Geología, Universidad Nacional de San Luis, Chacacabuco, 5700 San...associated with metamorphosed Fe ore in the Sierra de Comechingones, Province of Córdoba. The Fe ore mainly... manganoan ilmenite, an aluminous spinel, and hematite. The gangue minerals associated with the oxides...clintonite, chlorite, Sierra de Comechingones, Argentina. SOMMAIRE Nous avons trouvé la pyrophanite (MnTiO3) |  | 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...size. Probes from Urucum deposit revealed that the rocks consist mainly of hematite, showing Mn substitution...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 |  | | Journal (article/letter/editorial) | | As and V, for example, were incorporated into hematite in Fe-rich ores, whereas in Mn-rich ores they...mineralogical controls, the structural position of the deposit influenced the remobilization of trace elements...SOMMAIRE Les marbres Triassiques des nappes de Suretta, Starlera et Schams dans le Val Ferrera (Pennique Moyen...suisses) renferment de nombreux petits gîtes de Fe et Mn. Ces minerais sont caractérisés par de hautes teneurs...teneurs en Ba, Sb, As, V, Be, W, et terres rares par rapport aux carbonates encaissants. Les minerais résultent |  | | 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 |  | Ozturk, H., Hein, J. R., Hanilci, N. (2002) Genesis of the Dogankuzu and Mortas Bauxite Deposits, Taurides, Turkey: Separation of Al, Fe, and Mn and Implications for Passive Margin Metallogeny. Economic Geology, 97 (5) 1063-1077 doi:10.2113/gsecongeo.97.5.1063 | Journal (article/letter/editorial) | | varies from 1 to 40 m and consists of böhmite, hematite, pyrite, marcasite, anatase, diaspore, gypsum...bauxite ore bed contains pyrite pseudomorphs after hematite and is deep red in outcrop owing to supergene...Al from the other metal oxides into different deposit types, are not well understood (Hem, 1972; Hutchinson...1992; Glasby, 1997). A large variety of these deposit types occurs in the same metallogenic province...1995). The deposit structure and the geometry of the karst surface can 1063 1064 ÖZTÜRK ET AL. A 30°E |  | | 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 |  | Franceschelli, M., Puxeddu, M., Carcangiu, G., Gattiglio, M., Pannuti, F. (1996) Breccia-hosted manganese-rich minerals of Alpi Apuane, Italy: A marine, redox-generated deposit. Lithos, 37 (4) 309-333 doi:10.1016/0024-4937(95)00026-7 | Journal (article/letter/editorial) | | Breccia-hosted manganese-rich minerals of Alpi Apuane, 1taly:A marine, redox-generated deposit M. Francesclnelli...Apuane, (Italy). The BSFm is a rockfall talus deposit that accumulates at the base of the footwall scarp...calcite, muscovite, phlogopite, baryte and minor hematite, rutile and apatite. During the Alpine orogeny...350”-380°C were attained; Mn assemblages with hematite and phlogopite indicate f0, > lOAs for T= 350°C...seawater exposure. But a significant good correlation of La, Tm, Lu with Mg could indicate, at least for these |  | | 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 �ile 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 |  | | 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 |  | Gutzmmer, J., Beukes, N. J., Kleyenstuber, A. S. E., Burger, A. M. (1995) Magnetic hausmannite from hydrothermally altered manganese ore in the Palaeoproterozoic Kalahari manganese deposit, Transvaal Supergroup, South Africa. Mineralogical Magazine, 59 (397) 703-716 doi:10.1180/minmag.1995.059.397.12 | Journal (article/letter/editorial) | | hydrothermally altered manganese ore in the Palaeoproterozoic Kalahari manganese deposit, Transvaal Supergroup...South Africa Abstract Hausmannite (Mn304), a manganese oxide with a tetragonally distorted spinel structure...hydrothermally altered high-grade manganese ores of the giant Kalahari manganese deposit in South Africa. EDS-electron...composition, containing only a few minute inclusions of hematite. Magnetic blocking temperatures of the iron-rich...Mn3+ by Fe3+. KEYWOm3S:hausmannite, Kalahari manganese field, Wessels mine, ferrimagnetism, iron content |  | Cenki-Tok, Bénédicte, Ragu, Alain, Armbruster, Thomas, Chopin, Christian, Medenbach, Olaf (2006) New Mn- and rare-earth-rich epidote-group minerals in metacherts: manganiandrosite-(Ce) and vanadoandrosite-(Ce) European Journal of Mineralogy, 18 (5) 569-582 doi:10.1127/0935-1221/2006/0018-0569 | Journal (article/letter/editorial) | | Laboratoire de Géologie, UMR 8538 du CNRS, Ecole normale supérieure, 24 rue Lhomond, 75005 Paris, France * Corresponding...at: Centre de Géochimie de la surface – EOST, 1 rue Blessig, 67083 Strasbourg Cedex, France 3 Laboratoire...Laboratoire de Tectonique – UMR 7072 du CNRS, Université Pierre et Marie Curie, Case 129, 4 place Jussieu,... 75252 Paris Cedex 05, France 4 Laboratorium für chemische und mineralogische Kristallographie, Universität...Mn3+ in the M1 site; it occurs at the Praborna manganese mine, Saint-Marcel, Aosta valley, Italy, in a |
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