 | 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...Budaörsi út 45, Hungary USGS, 400 Natural Bridges Dr., Santa Cruz, CA 95060, USA c Mangán Ltd. Úrkút, Külterület...Külterület 1, H-8409, Hungary d Department of Mineralogy, Geochemistry and Petrology, University of Szeged...Szeged, H-6701 Szeged, P. O. Box 651, Hungary e Research Institute for Technical Physics And Materials Science...Sciences, 1121 Budapest, Konkoly Thege út 29-33, Hungary b a r t i c l e i n f o Article history: Received |  | Molnár, Zsombor, Polgári, Márta, Hein, James R., Józsa, Sándor, Fekete, József, Gyollai, Ildikó, Fintor, Krisztián, Bíró, Lóránt, Szabó, Máté, Rapi, Sándor, Forgó, Péter, Vigh, Tamás (2017) Fe-Mn oxide indications in the feeder and mound zone of the Jurassic Mn-carbonate ore deposit, Úrkút, Hungary. Ore Geology Reviews, 86. 839-855 doi:10.1016/j.oregeorev.2016.11.005 | Journal (article/letter/editorial) | | the Jurassic Mn-carbonate ore deposit, Úrkút, Hungary Zsombor Molnár, Márta Polgári, James R. Hein...the Jurassic Mn-carbonate ore deposit, Úrkút, Hungary, Ore Geology Reviews (2016), doi: 10.1016/j.oregeorev...zone of the Jurassic Mn-carbonate ore deposit, Úrkút, Hungary PT Zsombor Molnár1, Márta Polgári2,3*, James...Geochemistry, 1117 Budapest, Pázmány P. s. 1/c, Hungary, email: molnarzs1994@gmail.com 2 Research Center...Academy of Sciences, 1112 Budapest, Budaörsi út. 45, Hungary, e-mail: rodokrozit@gmail.com 3 Eszterházy Károly |  | | Journal (article/letter/editorial) | | separated iron from 30 manganese to produce cryptomelane microbialites, which agglutinated to form manganese...initially transformed the manganese oxides into cryptomelane and 36 then into hollandite. 2 37 KEY WORDS...environment 39 1. INTRODUCTION 40 The Urucum mining district occupies an area of approximately 800 km2 and...Urban et al. (1992) estimated that the Urucum district 47 contains more than 600 Mt of rock with high...environment, for the carbonate BIFs of the Santa Cruz Mine region 63 located on the southeastern part of |  | | Journal (article/letter/editorial) | | cement-like Mn oxide and hydroxide minerals (bixbyite, cryptomelane, aurorite, romanechite, manjiroite, and pyrochroite)...the formation of Mn and Fe ores in the Urucum District, Brazil via a supergene process. Corona-Esquivel...million metric tons and are produced from El Gedida mine as raw material for the Egyptian Steel Company (ESC)...be addressed in this section. The El Gedida iron mine area is an oval shaped depression up to 15 km 2...central area. High-Mn iron ores in the El Gedida mine occur as pockets of brownish gray friable materials |  | | Journal (article/letter/editorial) | | Research, ELKH, Budaörsi út 45, H-1112 Budapest, Hungary CSFK, MTA Centre of Excellence, Konkoly Thege Miklós...Miklós út 15-17, H-1121 Budapest, Hungary Department of Natural Geography and Geoinformatics, Eszterházy...Catholic University, Leányka utca 6-8, H-3300 Eger, Hungary Correspondence: rodokrozit@gmail.com Abstract:...ore formation of Jurassic Mn carbonate ore at Úrkút, Hungary, and it was only 10 years ago when the first...supplemented by case studies such as those of Úrkút in Hungary [1,2], Datangpo in China [5], and Urucum in |  | | Journal (article/letter/editorial) | | also be separated when the dominant mineral is cryptomelane, manganite, nsutite, psilomelane, or todorokite...Kalahari deposits, Lantos et al. (2003) for the Úrkút deposit, and Walde and Hagemann (2007) on Urucum... 538 J. BARRY MAYNARD Rhodochrosite Braunite Cryptomelane Manganite Pyrolusite Hausmannite Psilomelane...Toarcian deposits are all small except for Urkút in Hungary (Polgári et al., 2003), which, as mentioned above...critiquing the manuscript. Any remaining errors are mine. Thanks to my students at Cincinnati and in South |  | | Book | | articles. Sándor Szakáll (1953, Berettyóújfalu, Hungary) Head of the Department of Mineralogy, Herman Ottó...Mineralogical Regions Czech Republic (Milan Novák) Hungary (Sándor Szakáll) Poland (Ewa Kos/.owska) Romania...Mineral Species Czech Republic (Milan Novák). Hungary (Sándor Szakáll), Poland (Ewa Kos/.owska). Romania...Museums of the Carpathians Czech Republic (Moravia) Hungary Poland Romania Slovakia Ukraine 397 397 399 409...countries, (i.e. the Czech Republic. Slovakia, Poland. Hungary, Ukraine, and Romania). From a mineralogical viewpoint |  | 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) | | manganese silicates, and the man ganese oxides cryptomelane (K[Mn4+, Mn2+]8O16) and pyrolusite (Mn4+O2)...operational mining activities in the Lagoa do Riacho mine are relatively recent and date from 2011. Its activities...crystallization with pyrolusite, manganite (Mn3+O[OH]), cryptomelane, and todorokite ([Na,Ca,K,Ba,Sr]1-x[(Mn, Mg...The manganese-rich rocks from the Lagoa do Riacho mine show three distinct lithological groups, all containing... with minor silicate manganese minerals. At the mine site, there is a continuous interstratification |  | | Journal (article/letter/editorial) | | extending from Belgium, in the West, through the Ruhr District, Germany, to the Upper Silesian Coal Basin, Poland...from ENE towards NNE through Slovakia, Poland and Hungary (Raumer et al., 2003; Froitzheim et al., 2008;...territory , e.g., Podbořany and the Plzeń Mining District. Late Variscan blocks when being uplifted suffered...what is called the “Coal Measures” of the Ruhr District and in the Münsterland near Ibbenbüren. In the...Republic at Podbořany and in the Plzeń Mining District (section 5.5.1) where the kaolinization increased |  | | Journal (article/letter/editorial) | | deposits are: manganite, pyrolusite, todorokite, cryptomelane, birnessite, rancieite. The manganese oxide-hydroxide...Mangyshlak, Binkilic, Laba, small deposits of Hungary and Slovakia formed in regional palaeogeographic...Turkey (Binkilıç); North Caucasus (Laba deposits), Hungary and Slovakia) (Fig. 1). Manganese deposits formed...carbonate-hosted deposits (Drama, Greece and Úrkút, Hungary) (Nimfopoulos and Pattrlck, 1991; Polgari,...deposits are: manganite, pyrolusite, todorokite, cryptomelane, birnessi-birnessite, rancieite (Varentsov, |  | | Journal (volume) | | Elemér Pál-Molnár University of Szeged, Szeged, Hungary E-mail: palm@geo.u-szeged.hu Guest Editor Máté...Szeged, Hungary E-mail: csato.szilvia@geo.u-szeged.hu Editorial Address H-6722 Szeged, Hungary 2 Egyetem...Geochemistry and Petrology, University of Szeged, Szeged, Hungary © Department of Mineralogy, Geochemistry and Petrology...of Szeged On the cover: Kollerite, Pécs-Vasas, Hungary. Width of the picture: 5 mm. Collection and photo:...Sciences in the Carpathians Conference Miskolc, Hungary, May 13-14, 2021 ABSTRACTS Edited by Máté Zs |  | | Journal (article/letter/editorial) | | observed. Supergene minerals are pyrolusite, cryptomelane, vernadite, nsutite, ransiéite, todorokite,...Pyrophanite Hausmannite Magnetite* Jacobsite Cryptomelane Hollandite Braunite-I Tephroite Alleghanite...neotocite Pyrolusite, vernadite, rancièite, cryptomelane, goethite, quartz, calcite and others Oxide–silicate...dendritic and earthy Net venation Vernadite, cryptomelane, nsutite, Net, cavernous, todorokite, quartz...tephroite-bearing rocks from the Hoskins manganese mine, New South Wales, Australia. Neues Jahrb. Mineral |  | | Journal (article/letter/editorial) | | abundant minerals in the Fe-Mn ore from the Grammatiko mine are hematite, goethite, and pyrolusite. Veins of...red-brown to yellow-brown color in an abandoned mine located at northern Hymittos Mountain (central Attica)...replacement style mineralization in Kamariza, Lavrion mine. Specifically, the isotopically light (−11.2 to...Grammatiko mine showsurface. (c–g) Representative back scattered (BSE) images from the Grammatiko mine showing...hosted in dominant limestone from the Grammatiko mine. mine. (b–d) Representative back scattered images showing |  | | Journal (article/letter/editorial) | | southeastern region of Chongqing City and Changyang county of Hubei province. In northeastern Guizhou province...3600 N, 108°460 3.6600 E, five samples), Songtao County, Guizhou province, the Minle deposit (28°220 30...500 N, 109°200 10.500 E, four samples), Huayuan County, Hunan province, and the Rongxi deposit (28°320...35.500 N, 108°480 5800 E, five samples), Xiushan County, Chongqing City. A few wall rocks (black shale)...Fe-Mn crusts collected from the Green Rock Hill and East Side Hill sites are characteristically hydrogenetic |  | | Journal (article/letter/editorial) | | diffraction patterns has been reported from mine tailings, acid mine drainage precipitates, microbial mats...Tailings oxidation and mineralogy of Haveri Au-Cu mine, SW Finland – Preliminary results Chemical weathering...the surface layer of the impoundment produce acid mine drainage, in other words, acidic and heavy metal-rich...the Kupferschiefer type from the Lubin mining district (Poland) were studied for Re-Os isotopes, platinum...of water resources from abandoned Freixeda gold mine (NE Portugal) 1 M.R. PEREIRA , M.E.P. GOMES 1 |  | Kilias, Stephanos P., Ivarsson, Magnus, Chi Fru, Ernest Chi, Rattray, Jayne E., Gustafsson, Håkan, Naden, Jonathan, Detsi, Kleopatra (2020) Precipitation of Mn Oxides in Quaternary Microbially Induced Sedimentary Structures (MISS), Cape Vani Paleo-Hydrothermal Vent Field, Milos, Greece. Minerals, 10 (6) 536 doi:10.3390/min10060536 | Journal (article/letter/editorial) | | Sedimentary Structures” (MISS) of the Cape Vani Mine The geology and paleo-hydrothermal setting of the...mineralization [46,58–60]. Cape Vani operated as a Mn mine from 1886 to 1909 and from 1916 to 1928 producing...vernadite (δ-MnO2 ), pyrolusite, ramsdellite, cryptomelane, hollandite, coronadite, and lesser romancheite...outcrops (Figure 1b) inside the abandoned Cape Vani Mn mine. The geological and stratigraphic characteristics...stockwork feeder veins stratigraphically below the mine. Sample numbers and corresponding MISS type [46] |  | Maghfouri, Sajjad, Rastad, Ebrahim, Movahednia, Mehdi, Lentz, David R., Reza Hosseinzadeh, Mohammad, Ye, Lin, Mousivand, Fardin (2019) Metallogeny and temporal–spatial distribution of manganese mineralizations in Iran: Implications for future exploration. Ore Geology Reviews, 115. 103026 doi:10.1016/j.oregeorev.2019.103026 | Journal (article/letter/editorial) | | Dacite and andesite rocks are distributed near the mine and many sills of andesite occur in the mining area...Detailed descriptions of the Nasirabad deposit and district can be found in Zarasvandi et al. (2013) and Zarasvandi...over 500 km; trending roughly E–W and is the only district of the Alborz ranges that has manganese deposits...2015). Although the Eocene volcanism in the Sardar district is dominated by lava flows (andesite, basalt and..., 2005). Psilomelane, braunite, pyrolusite, cryptomelane, and hausmannite are the main minerals of the |  | | Journal (article/letter/editorial) | | birnessite, pyrolusite, rancieite, hollandite, cryptomelane/psilomelane, manganite cuprite, rutile, anatase...Saxony, Germany; (c) thunderegg from the Baker Egg Mine, from Baker Egg Deming (New USA) multiple crescent‐shaped...crescent‐shaped from the the(New BakerMexico, Egg Mine, Mine, Deming (New Mexico, Mexico, USA) with withagate...probably biogenic origin from the Mátra Mts., Hungary (inset) with filamentous stalactites (SFF); (e)...probably biogenic origin from the Mátra Mts., Hungary (inset) with filamentous pseudomorphs in the microcrystalline |  | | Journal (article/letter/editorial) | | Covellite Crandallite Crocidolite Crocoite Cryolite Cryptomelane Cubanite Cummingtonite Cuprite Cylindrite Danburite...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...you look for a mine look near a mine”. This includes the imperative “if you look for a mine look for smelting...also for the chrome diopside found at Outukumpu mine, a mineral that is first and foremost recognized...According to the Raw Materials Group (Sweden), the world mine production in 2005 stood at 19.3 m t metal content | | | Journal (article/letter/editorial) | | Covellite Crandallite Crocidolite Crocoite Cryolite Cryptomelane Cubanite Cummingtonite Cuprite Cylindrite Danburite...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...you look for a mine look near a mine”. This includes the imperative “if you look for a mine look for smelting...also for the chrome diopside found at Outukumpu mine, a mineral that is first and foremost recognized...According to the Raw Materials Group (Sweden), the world mine production in 2005 stood at 19.3 m t metal content |  | | Journal (volume) | | Mineralogical Association 21–27 August, 2010 Budapest, Hungary Published by the Department of Mineralogy, Geochemistry...Elemér Pál-Molnár University of Szeged, Szeged, Hungary E-mail: palm@geo.u-szeged.hu EDITORIAL BOARD Péter...COMMITTEE Chairman: Tamás G. Weiszburg, Budapest, Hungary, Secretary General: Dana Pop, Cluj-Napoca, Romania...Szeged, Szeged, Hungary E-mail: batki@geo.u-szeged.hu Editorial Address H-6701 Szeged, Hungary P.O. Box 651...Geochemistry and Petrology, University of Szeged, Szeged, Hungary © Department of Mineralogy, Geochemistry and Petrology |  | | Book | | birnessite, pyrolusite, rancieite, hollandite, cryptomelane/psilomelane, manganite cuprite, rutile, anatase...Saxony, Germany; (c) thunderegg from the Baker Egg Mine, Deming (New Mexico, USA) with multiple crescent-shaped...probably biogenic origin from the Mátra Mts., Hungary (inset) with filamentous pseudomorphs in the microcrystalline...Germany, Poland, Russia or India. The Baker Egg Mine in New Mexico (USA) is famous for the high amount...structures in the southern part of the Mátra Mts. (Hungary), in the neighbourhood of the Gyöngyöstarján and |
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