 | 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) | | Borborema Province, northeastern Brazil Felipe Holanda dos Santos a, b, *, Wagner da Silva Amaral b, Kurt Konhauser...Universidade Federal do Oeste do Pará, Santarém, PA, Brazil Departamento de Geologia e Recursos Naturais, Instituto...Universidade Estadual de Campinas, Campinas, SP, Brazil c Department of Earth & Atmospheric Sciences, University...Geologia, Escola de Minas, Universidade Federal de Ouro Preto, Ouro Preto, MG, Brazil e Centre for Geobiology...Simplified map of the Borborema Province (northeastern Brazil) and Birimian succession from West Africa for the |  | | Report (issue) | | and Ore Deposits of the Alegria District, Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL PAPER 341-J...cooperation with the Departamento National da Producao Mineral of Brazil under the auspices of the Agency for...District, Minas Gerais, Brazil By CHARLES H. MAXWELL GEOLOGY AND MINERAL RESOURCES OF PARTS OF MINAS GERAIS...GERAIS, BRAZIL GEOLOGICAL SURVEY PROFESSIONAL PAPER 341-J Prepared in cooperation with the Departamento...Departamento National da Producao Mineral of Brazil under the auspices of the Agency for International Development |  | | Journal (article/letter/editorial) | | carbonate;rarely, it results from Table 1, DFH-169). In this mine, somelayers m chocolate-brown plumo• supergene alterationof...areas of rhodochrosite wi• drusy cavities, New Ross mine, Lunenburg, Nova Scoti The specimen is ten centimeters...percent;andcopperis lower. Smallamounts the Club House mine, Arkansas, in which such of cobalt,nickel, and thallium...tetragonal system,but well-terminated crystals are Cove mine, Hants, Nova Scotia (Fig. 5); and the vein depositsof... o.• •.ml 0.• o.• •.•1 86 D. F. I-IEWETT mine, Chile, containsabout 3 percentcopper. Th. thalliumcontentis |  | | Book | | On a spectacular find of crocoite in the Adelaide mine, Dundas, Tasmania (by A. H. Chapman) 3:111-113 ADOLFSSON...AJO Famous mineral localities: the New Cornelia mine, Ajo, Arizona (by W. J. Thomas & R. B. Gibbs) 14:283-298...ALLEN, GEORGE B. --and W. Hunt: The Tonopah-Belmont mine, Maricopa County, Arizona 19:139-144 ALLGOOD, GENNE...Allgood, C. Williams: Ramsdellite from the Mistake mine [Arizona] 14:333-335 ALLGOOD, ROBERT W. -with G...the Mistake mine [Arizona] 14:333-335 ALMA Famous mineral localities: the Home Sweet Home mine, [near Alma |  | Goto, Kosuke T., Sekine, Yasuhito, Shimoda, Gen, Hein, James R., Aoki, Shogo, Ishikawa, Akira, Suzuki, Katsuhiko, Gordon, Gwyneth W., Anbar, Ariel D. (2020) A framework for understanding Mo isotope records of Archean and Paleoproterozoic Fe- and Mn-rich sedimentary rocks: Insights from modern marine hydrothermal Fe-Mn oxides. Geochimica et Cosmochimica Acta, 280. 221-236 doi:10.1016/j.gca.2020.04.017 | Journal (article/letter/editorial) | | Mn oxides in hydrothermal deposits (usually todorokite and/or birnessite) exhibit high Mn/Fe ratios...1994; 1996, 2006, 2008, 2014). Birnessite and todorokite are the main Mn oxides in the analyzed samples...analyzed are composed mainly of birnessite and todorokite (Hein et al., 2006). Based on their textures... The Mn-oxide samples are composed mainly of todorokite and birnessite and are considered to have formed...1996). The analyzed Mn oxides are composed of todorokite, birnessite, and minor amounts of vernadite. |  | | Journal (article/letter/editorial) | | cryptomelane, manganite, nsutite, psilomelane, or todorokite. More complex divisions, such as by the types...900 and 600 Ma. In tonnage, however, Urucum in Brazil and its extension, Mutun in Bolivia account for...Psilomelane Amorphous oxides Kutnahorite Mn-calcite Todorokite Others (oxides) 32.0 24.3 8.7 7.8 4.9 2.9 3...critiquing the manuscript. Any remaining errors are mine. Thanks to my students at Cincinnati and in South...tephroite-bearing rocks from the Hoskins manganese mine, New South Wales, Australia: Neues Jahrbuch für |  | | Book | | Springfield show ( 1995: 582). Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's...property of, the old Madawaska uranium mine (called the Faraday mine before 1964). The mineral assemblage...Trimble and Cowgill, 1977). LATINAMERICA BRAZIL Jacupiranga mine, Sao Paulo. Among the crystallized minerals...Oblast. Alpine-type clefts in the famous Dodo quartz mine commonly contain ilmenite, occurring as lustrous...ilmenite crystals as described here for the Dodo mine. In general, ilmenite crystals from the Subpolar |  | | Report (issue) | | pdf. Cover. Photograph of the Mamatwan open pit mine in South Africa. The black manganese layer is about...folded layering is shown by the shapes of the various mine benches. Lighter material in the background is waste...............................................L18 Mine Waste Characteristics ........................................................................L22 Mine Closure...................................................L11 Photograph of the Mamatwan open pit mine in South Africa ............................... |  | Hodges, C.A., Cox, D.P., Singer, D.A., Case, J.E., Berger, B.R., Albers, J.P. (1984) U.S. Geological Survey-INGEOMINAS mineral resource assessment of Colombia. Open-File Report Vol. 1984 (84-345) US Geological Survey doi:10.3133/ofr84345 | Report (issue) | | deposits of such minerals in adjacent areas of Brazil and Venezuela suggest that eastern Colombia may...deposits, based on analogy with adjacent areas in Brazil and Venezuela. An initial reconnaissance should...R., Ricardo, 1979, Geologia y geoquimica de las minas de esmeraldas de Gachala, Cundinamarca: INGEOMINAS...CaJemarce-Ceuce-Romeral Cyprua type massive aulfida (3.1) Paao da Bo bo, (Cauca), La Marina, (Valla) Volcanogenic...«7. PASTO AMD NORTH TO POPAYAN. EAST OF HANIZALES Da posit type Known deposits Hot sprint Au, A* (5 |  | | Report (volume) | | pyrolusite, cryptomelane, psilomelane, hollandite and todorokite, whereas others, formed from relatively higher...5). The deposits in Rio das Velhas Supergroup (Brazil) and Chitradurga Group (India) are restricted to...7 Ga Rio das Velhas Supergroup Morro do Mina, Minas Gerais, Brazil Geosyncline; Mn silicatecarbonate...Walde 1981 cited by Urban et al. 1992) at Urucum, Brazil (Table 7). Urban et al. (1992) suggested deposition...900q500 Ma Santa Cruz Fm, Jacadigo Group Urucum, Brazil Glaciogenic sequence; four Mn oxide beds mostly |  | | Report (volume) | | based on considerations that extend far beyond the mine itself, in some instances relating to the overall...subject, as in a scale model of the workings of a mine, to a unifying concept that explains or describes...government believed might someday be economic ta mine. Stratiform deposits of large areal extent, such...EXAMPLES High Plateau, Del Norte Cty, USCA Coto Mine, Luzon, PLPN (Wells and others, 1946) (LeBlanc...DEPOSITS Name Ace of Spades Adobe Canyon Gp. Ajax Alice Mine Allan (Johnson) Alta Hill Althouse Alyce and Blue |  | | Book (volume) | | with ~9% Mn coexisting with alabandite of the Sätra mine, see p. 69; and with 5.6% Mn coexisting with niningerite...as components of the Pb-Zn ores of the Huanzala mine, 250 km north of Lima, Peru, where Fe-Mn sphalerite...distribution for both sphalerite types within the mine [36]. Mn-containing sphalerite (with 19.8 to 1.8...greenish yellow in thin sections) from the Nebazawa mine epithermal Au-Ag ores, Gumma Prefecture, Japan,... see the original paper [22, pp. 221/3, 245/6]: mine and prefecture; n = number of analyses MnS lnakuraishi |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Connecticut. Luiz A. D. Menezes: Belo Horizonte, Minas Gerais, Brazil. William C. Metropolis: Mineralogical Museum...Potosi SLP Mato Grosso Sul MS Sinaloa SIN Minas Gerais MG ee abasco Tamaulipas Tlaxcala Veracruz...Wokitecas eel TMPS Tia VER YUC ZAC States, Brazil Acre Alagoas Amapa Amazonas Bahia Ceara Para...Canada, Short Course, Vol. 1 Marine Geology Memorias da Academia das Ciencias de Lisboa, Classe de Ciencias...Spotsylvania Co., and Partridge mine, Orange Co., VA, and at Dahlonega, GA; Homestake mine, Lawrence Co., SD; Silver |  | | Book | | ............. 57 The Porto Trombetas Bauxites, Brazil ............................... 58 Alteration Rate......................... 84 In the Mana us Area, Brazil .... .... ........ ... ..... ................................................ 119 The Lafaiete Deposit of Brazil .......................................ORSTOM C.P. 11 .348 05422-9 70 Sao Paulo (S.P.), Brazil BRUNO BOULANGE, lnstituto de Geociencias USP...ORSTOM C.P. 11.348 05422-970 Sao Paulo (S.P.), Brazil Centre de Geochimie de la Surface 1 Rue Blessig |  | | Journal (volume) | | .........................319 EM61 Mineralogy of mine wastes and contaminated soil......................and phases composition of flotation waste of Bor mine (Serbia) Cocić, M.1, Matović, B.2 & Logar, M.3*...Myanmar Emeralds from the Piteiras mine, Minas Gerais State, Brazil: genetic implications from fluid inclusion...France The Piteiras mine in Itabira is located in the Minas Gerais State, Brazil and produces gem quality...Temperature (oC) Koffiefontein mine 1087 (±15) 5.2 (±0.1) Finsch mine 1041 (±5) 5.0 (±0.1) The structural |  | | Report (issue) | | rare-earth elements, and antimony in China; niobium in Brazil; and platinum-group elements in South Africa and....B3 Graph showing dates associated with all the mine sites on the U.S. Environmental Protection Agency’s...production, U.S. apparent consumption, and U.S. mine production of antimony from 1900 to 2012............................F2 Graph showing world cobalt mine and refinery production and apparent consumption.....................F2 Graph showing world cobalt mine production from 1950 to 2011................... |  | | Report (issue) | | mining heritage via an underground mine tour of the Ontario mine and to enjoy the scenery and amenities...19 19 20 20 20 20 21 21 21 THE ANTLER CHLORITE MINE, SOUTHWESTERN MONTANA: REDISCOVERY, GEOLOGY, AND... . . . . . . . . . . . 28 Geology of the Antler Mine . . . . . . . . . . . . . . . . . . . . . . . ....high-brightness material. Construction of the Calder mine started in 1997 and was completed in 1998. The Calder...the mine bench, in drill cuttings, at the crusher, and at the stockpile. Grade maps of the mine bench |  | | Book | | method to date weathering profiles at Northparkes Mine in central New South Wales. Here a deep weathering...negligible (about 1 in 10 million). Very acid waters (mine waters, some lakes such as Lake Tyrell in western...nsutite (MnO,), romancheite (containing Ba), todorokite (containing Ca, Na and K), chalcophanite (ZnMn307...and are particularly so in acid-sulfate soils and mine dumps. Brown (1971) showed that jarosite is only...if the conditions become extreme, such as in acid mine drainage or in highly saline alkaline lakes, the |
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