 | | Journal (article/letter/editorial) | | QuĂ©bec H3A 2A7, Canada Abstract The El Mochito mine, located in west-central Honduras, exploits a Zn-Pb-Ag...Zn-Pb-Ag skarn deposit. Sulfide minerals including sphalerite, galena, pyrrhotite, and pyrite postdate a gangue...not been identified previously. ÎŽ34S values of sphalerite, galena, and pyrrhotite cluster between â1 and...A progressive decrease in the ÎŽ34S values of sphalerite and a corresponding increase in the whole-rock...ore metal ratios, and the Fe and Mn content of sphalerite (Yun and Einaudi, 1982; Meinert, 1987; Megaw |  | | Journal (article/letter/editorial) | | geographical area, an area whose size can vary between one mine and the whole world. Along with what is properly...as a souvenir to pilgrims, but which was not the real locality of origin. Topographical mineralogy studies...hand page: Botryogen. 2 cm. Pozo Alfredo, Rio Tinto mine, Minas de Riotinto, Huelva, Spain. Volume VI. Miguel...the gold mine of CarlĂ©s, the zeolites of Ciudad Real, or the phosphates of the La Paloma mine, in Zarza...Joaquim CallĂ©n photo. Jarosite. 2mm crystal. Santa BĂĄrbara adit, Barranco del Jaroso, Cuevas del Almanzora |  | Palero, F. J., Both, R. A., Arribas, A., Boyce, A. J., Mangas, J., Martin-Izard, A. (2003) Geology and Metallogenic Evolution of the PolymetallicDeposits of the Alcudia Valley Mineral Field, Eastern Sierra Morena, Spain. Economic Geology, 98 (3) 577-605 doi:10.2113/gsecongeo.98.3.577 | Journal (article/letter/editorial) | | ALCUDIA VALLEY in the eastern Sierra Morena, Ciudad Real Province, Spain (Fig. 1) has been mined since Roman...= quartz, sd = siderite, ser = sericite, sp = sphalerite, stb = stibnite, stn = stannite, td = tetrahedrite... A NT 10 km ICL INE PUERTOLLANO TRES VENTAS MINE 40ÂŽ PUERTO 11 LLA NO 12 13 30 15 14 17 ...43 47 48 64 40 42 41 50 56 Cu LO SP EDR MINE 10ÂŽ 3°00ÂŽ 50ÂŽ 3°45ÂŽ FIG. 2. Generalized map...Los Diegos, 42 = Alhambra, 43 = San Justo, 44 = Santa Isabel, 45 = San Benito, 46 = Pozo Rico, 47 = La |  | | Journal (article/letter/editorial) | | vein-type PbâZn deposits with visible galena and sphalerite, acceptable for direct observation, the internal...veins and veinlets, (7) younger pyriteâgalenaâsphalerite ore veins and veinlets. 62° 80° S N (âĄ)...of quartz, quartzâsideriteâgalenaâsphalerite, and galenaâsphalerite mineral aggregates. Veins are commonly...greater) systems of closely spaced high-grade pyriteâsphaleriteâ GEOLOGY OF ORE DEPOSITS Vol. 49 No. 6 2007...a greater depth, the ore largely consists of sphalerite, and by 900â 700 masl, the Pb/Zn ratio equals |  | Steele, I. M., Cabri, L. J., Gaspar, J. C., McMahon, G., Marquez, M. A., Vasconcellos, M. A.Z. (2000) COMPARATIVE ANALYSIS OF SULFIDES FOR GOLD USING SXRF AND SIMS. The Canadian Mineralogist, 38 (1) 1-10 doi:10.2113/gscanmin.38.1.1 | Journal (article/letter/editorial) | | several thousand ppm), but it may be economical to mine and extract gold from sulfides with concentrations...SULFIDES FOR GOLD USING SXRF AND SIMS THE SĂO BENTO MINE AND GOLD ORE For purposes of illustration, we have...samples from an operating gold mine in Brazil. The SĂŁo Bento deposit (Santa BĂĄrbara, Minas Gerais) occurs in...deposit are arsenopyrite, pyrrhotite, chalcopyrite, sphalerite, galena, electrum, magnetite, ilmenite, siderite...many inclusions of arsenopyrite, pyrrhotite, sphalerite, etc. Gold and electrum (20 to 50 atom % Ag) |  | Frenzel, Max, Bachmann, Kai, Carvalho, JoĂŁo R. S., Relvas, Jorge M. R. S., Pacheco, Nelson, Gutzmer, Jens (2019) The geometallurgical assessment of by-productsâgeochemical proxies for the complex mineralogical deportment of indium at Neves-Corvo, Portugal. Mineralium Deposita, 54 (7) 959-982 doi:10.1007/s00126-018-0849-6 | Journal (article/letter/editorial) | | mineralogical deportment of indium at Neves-Corvo, Portugal Max Frenzel 1,2 & Kai Bachmann 1 & JoĂŁo R. S...indium at Neves-Corvo, a major European base-metal mine (Cu + Zn), and one of the largest and richest volcanichosted...mineralogical deportment, allowing for specific mine and process planning. The novel methodologies implemented... ISQ, Oeiras Taguspark, 2740-120 Porto Salvo, Portugal 4 Instituto Dom Luiz, Faculdade de CiĂȘncias...CiĂȘncias, Universidade de Lisboa, 1749-016 Lisbon, Portugal 5 SOMINCOR, Sociedade Mineira de Neves-Corvo, S |  | Cazañas, X., Melgarejo, J. C., Luna, J. A., BarrabĂ, H. (1998) El depĂłsito volcanogĂ©nico de Cu-Zn-Pb-Au El Cobre, Cuba Oriental: estructura y mineralogĂa [The Cu-Zn-Pb-Au volcano genic deposit El Cobre, Western Cuba: structure and mineralogy]. Acta Geologica Hispanica, 33. 277-333 | Journal (article/letter/editorial) | | veins located in the uppermost levels, where sphalerite associated with anhydrite is dominant. The associated...ABSTRACT INTRODUCTION The âEl Cobreâ mine is the only active mine in Sierra Maestra at present. The deposit...THE DEPOSIT During colonial times, galleries and mine shafts up to 300 m deep were excavated. From the...at depth. VEIN MINERALIZATIONS IN THE âEL COBREâ MINE They consist of stockwork at surficial sectors and...sulfides (pyrite, chalcopyrite or sphalerite). Two types of sphalerite are present: a first generation |  | Murillo-Barroso, M., Montero-Ruiz, I., Nieto, J. M., Camalich Massieu, M. D., MartĂn Socas, D., MartinĂłn-Torres, M. (2019) Trace elements and lead isotopic composition of copper deposits from the eastern part of the Internal Zone of the Betic Cordillera (SE Iberia): application to provenance of archaeological materials. Journal of Iberian Geology, 45 (4). 585-608 doi:10.1007/s41513-019-00111-1 | Journal (article/letter/editorial) | | objects. These sites are the settlements of Santa BĂĄrbara in Sierra de Almagro (Camalich Massieu and MartĂn...and quartzite. Chalcopyrite is documented in the mine Ramo de Flores. Arsenic is not detected in copper...associated to copper minerals (e.g. La Estrella Mine, Montero Ruiz 1994; ObĂłn 2017). In the Jaroso Ravine...jasperoids, siderite, native silver, galena, sphalerite, pyrite, chalcopyrite, gypsum and chalcedony...Sierra Cabrera (MartĂnez FrĂas et al. 1989). In the mine Nuestra Señora del Milagro de Guadalupe in HerrerĂas |  | Ribeiro, Yuri, Figueiredo e Silva, Rosaline C., Lobato, Lydia M., Lima, Luiz Claudio, Rios, Francisco J., Hagemann, Steffen G., Cliff, John (2015) Fluid inclusion and sulfur and oxygen isotope studies on quartz-carbonate-sulfide veins of the Carvoaria Velha deposit, CĂłrrego do SĂtio gold lineament, QuadrilĂĄtero FerrĂfero, Minas Gerais, Brazil. Ore Geology Reviews, 67. 11-33 doi:10.1016/j.oregeorev.2014.10.032 | Journal (article/letter/editorial) | | interaction of the ïŹuid with the CĂłrrego do SĂtio and Santa QuitĂ©ria carbon-bearing metapelitic host units....producer SĂŁo Bento mine (Pereira et al., 2007; Fig. 1), the region near Santa BĂĄrbara is also known for...of the QF, at the Brumal district, town of Santa BĂĄrbara, where fourteen gold excavations and two geochemical...characterized by the same lithological sequence. Its open-mine exploitation took place between 1990 and 1998, and...the BonïŹm, CaetĂ©, Belo Horizonte, Bação, and Santa BĂĄrbara complexes (Fig. 1; Herz, 1970). The TTG complexes |  | Vial, D.S., Abreu, G.C., Schubert, G., Ribeiro-Rodrigues, L.C. (2007) Smaller gold deposits in the Archean Rio das Velhas greenstone belt, QuadrilĂĄtero FerrĂfero, Brazil. Ore Geology Reviews, 32 (3) 651-673 doi:10.1016/j.oregeorev.2005.01.004 | Journal (article/letter/editorial) | | CVRDâCompanhia Vale do Rio Doce, BR 381, km 450, Santa Luzia, MG, Brazil Instituto de GeociĂȘncias da Universidade...small gold deposits of the QF are given, based on mine geological mapping and exploration developed in...association is composed of the Morro Vermelho and Santa QuitĂ©ria Formations. The Volcaniclastic association...of sulfide and amphibole layers, as at Pari gold mine. 6) Gold associated with disseminated to massive...massive basemetal sulfides, as at Bico de Pedra mine. The second group (B) can be subdivided into three types: |  | | Journal (article/letter/editorial) | | found in a uranium deposit in the Dexter Number 7 mine, Calf Mesa, San Rafael Swell, Utah (Rosenzweig and...Argentina (ZavalĂa and Galliiski 1995), the Javier Mine, Lucanas Province, Peru (Roth and Meisser 2012)...The main ore minerals are chalcopyrite, pyrite, sphalerite, galena and magnetite. The upper part of the...(1995) Goldichite of fumarolic origin from the Santa BĂĄrbara mine, Jujuy, northwestern Argentina. Can Mineral |  | Martinez-Abad, I., Cepedal, A., Arias, D., Martin-Izard, A. (2015) The Vilalba gold district, a new discovery in the Variscan terranes of the NW of Spain: A geologic, fluid inclusion and stable isotope study. Ore Geology Reviews, 66. 344-365 doi:10.1016/j.oregeorev.2014.10.021 | Journal (article/letter/editorial) | | structure of the district is dominated by the overturned Real syncline and BecerreĂĄ anticline (Fig. 2a) developed...Castro de Rei area is dominated by the overturned Real syncline (D1), which is affected by a thrust-fault...with arsenopyrite 351 (Apy I), chalcopyrite, sphalerite, molybdenite and cobaltite as accessory minerals...marcasite, Chl: chlorite, Prh: prehnite, Sph: sphalerite; Gn: galena, Ttr: tetrahedrite, Jm: jamesonite;...mineralized vein formed by quartz (Qz), chlorite, sphalerite (Sph) and opaque crystals (pyrite and arsenopyrite) |  | | Journal (article/letter/editorial) | | occurrences in the Ossa Morena zone. Only the Cala iron mine is currently (2004) operating, but the area has...are Maria Luisa and nearby showings (including Santa Ana) and Puebla de la Reina (15 in Fig. 1). The...setting (Aracena belt; Fig. 1). The Maria Luisa mine, which was worked for Cu-Zn, consists of several...Monchi (type 7). 11. Abundancia (type 13). 12. Santa Marta (type 20). 13. Usagre (type 19) and Las Minas...Spanish Central system, sm = Santa Marta peraluminous Variscan stock, so = Santa Olalla metaluminous Variscan |  | Debowski, Beatriz Pereira, Potratz, Guilherme Loriato, Tavares JĂșnior, Armando Dias, Alves Martins, Maria VirgĂnia, Geraldes, Mauro Cesar (2022) Age and Origin of the Massangana Intrusive Suite and Associated Mineralizations, in the RondĂŽnia Tin Province: Petrography, U-Pb, and Lu-Hf Isotopes Zircons. Minerals, 12 (10) 1304 doi:10.3390/min12101304 | Journal (article/letter/editorial) | | GeoBioTec, Universidade de Aveiro, 3810-193 Aveiro, Portugal Correspondence: geraldes@uerj.br Abstract: RondĂŽnia... SĂŁo Carlos, Caritianas, Pedra Branca and Santa BĂĄrbara massifs are part of the RondĂŽnia presented as...25â1.00 G.a). In the third and last cycle, the Santa Clara Intrusive Suite (from 1082 ± 4.9 Ma to 1080...the location of all the massifs that comprise the Santa Clara Intrusive Figure 3.modified Schematic map...RondĂŽnia Tin Province highlighting only the intrusive Santa Intrusive Suite, andCandeias RondĂŽnia Suite. thatSuite |  | | Book | | including Gorgona Island, ChocĂł Arc, Sierra Nevada de Santa Marta, La Macarena, and the Guiana Shield: remote...Geologie und Petrographie der Sierra Nevada de Santa Marta (Kolumbien, SĂŒdamarika). Schweiz, Mineralogische...Pacific Terranes Romeral MĂ©lange Sierra Nevada de Santa Marta W-E Tectono-Sedimentary Anomaly Western Tectonic...South America eastern margin of the Cordillera Real, and extends eastwards into the Amazon basin of...morpho-Âstructural features, including the Sierra Nevada de Santa Marta (SM), the Sierra de MĂ©rida (ME, the âVenezuelan |  | Donaire, Teodosio, Pascual, Emilio, SĂĄez, Reinaldo, Pin, Christian, Hamilton, Michael A., Toscano, Manuel (2020) Geochemical and Nd isotopic signature of felsic volcanic rocks as a proxy of volcanic-hosted massive sulphide deposits in the Iberian Pyrite Belt (SW, Spain): The Paymogo Volcano-Sedimentary Alignment. Ore Geology Reviews, 120. 103408 doi:10.1016/j.oregeorev.2020.103408 | Journal (article/letter/editorial) | | Late Palaeozoic metallogenic province 66 in SW Portugal and Spain hosting the largest concentration of...such as Riotinto in Spain 69 and Neves Corvo in Portugal. These deposits are related to bimodal volcanism... the upper Devonian to lower Carboniferous Santa BĂĄrbara Unit 197 (IGME, 2015), formed by shales, sandstones...the South Portuguese Zone, Southwestern 629 Portugal. Can. Mineral. 39, 1571-1589. 630 AlmodĂłvar...volcanic 665 sequences in the Iberian pyrite Belt, Portugal: Metallogenic and 666 geodynamic implications |  | | Journal (article/letter/editorial) | | as those of San Luis de PotosĂ in Mexico [58] or Santa Barbara [59]. Contamination by trace elements from...contamination in various mining zones [65,66]. Finally, Portugal has conducted several studies on the impact of...studies about the current status of almost abandoned mine soils in the Pyrite Belt [76-84] have revealed the...ground for social development. In fact, previous mine soils are now intensively cropped with citrus and...being those collected very near the Peña del Hierro mine, Monte Sorromero and Tharsis (with pH < 5.5). These |  | | Journal (article/letter/editorial) | | very heterogeneous on all scales. 1 UTAD, Vila Real, Portugal (fpacheco@utad.pt) Utrecht University, The...Netherlands (chvdw@geo.uu.nl) 2 A set of springs in the Vila Pouca de Aguiar region (N.Portugal), where granites...arsenic control practices at mine sites and arsenic mobilization from mine tailings will be discussed....2008 Arsenic mobility in a stream affected by acid mine drainage (SW Spain) Phosphorus redox chemistry...The Agua Agria Creek is severely affected by acid mine drainage (AMD) derived from waste rock heaps and |  | | | | mineralization consisted of galena, pyrite, and sphalerite, associated with a strong muscovite/illite hydrothermal...dissolution of primary sphalerite hosted in the now-eroded rocks above the Yanque mine site. Zinc-rich solution...remnants of galena and barite (Fig. 1). At the Yanque mine, the rock types of the lower part of the Mara Formation...Cr2O3 (Cr), rhodonite (Mn), sulfur (pyrite), sphalerite (Zn), galena (Pb), fluorite (F), apatite (P)...pyrite veins contain minor galena and traces of sphalerite; nonsulfide mineralization is totally absent |  | | Journal (article/letter/editorial) | | mineralization consisted of galena, pyrite, and sphalerite, associated with a strong muscovite/illite hydrothermal...dissolution of primary sphalerite hosted in the now-eroded rocks above the Yanque mine site. Zinc-rich solution...remnants of galena and barite (Fig. 1). At the Yanque mine, the rock types of the lower part of the Mara Formation...Cr2O3 (Cr), rhodonite (Mn), sulfur (pyrite), sphalerite (Zn), galena (Pb), fluorite (F), apatite (P)...pyrite veins contain minor galena and traces of sphalerite; nonsulfide mineralization is totally absent |  | | Journal (article/letter/editorial) | | Minas Gerais state, is the largest underground mine in Brazil (5.78 Moz resources of 10.26 g/t Au -...the QF, and the largest active 55 underground mine in Brazil, having 18 levels with 1,100 m in depth...those initial drill holes, exploration works in the mine focused on 77 similar mineralization styles. Three...Kresse (2018), may represent a 99 powerful near-mine exploration tool in the QF region. 100 2. Geology...(2016). Four magmatic events described as the Santa BĂĄrbara, 106 Rio das Velhas I and II and Mamona are |  | | Journal (issue) | | great annual mineral, fossil and gem event The real âgoldâ at Orogrande by Bob Jones by Anna Racicot...... 36 A very special educational event Gollar Mine Barite and Sulfides ......................... 60...colored from an organic smear, Scalehedron was the real name, a doubly terminated masterpiece in which to...Mineral, Antique Gas and Steam Engine Museum; 2040 N. Santa Fe Ave.; Fri. 10 am.-5 pm, Sat. 10 am-5 pm, Sun...including fine things from the classic Lavrium silver mine. A small cuproadamite was particularly attractive |  | Morales, Milton J., Figueiredo e Silva, Rosaline C., Lobato, Lydia M., Gomes, Sylvio D., Gomes, Caio C.C.O., Banks, David A. (2016) Metal source and fluidârock interaction in the Archean BIF-hosted Lamego gold mineralization: Microthermometric and LA-ICP-MS analyses of fluid inclusions in quartz veins, Rio das Velhas greenstone belt, Brazil. Ore Geology Reviews, 72. 510-531 doi:10.1016/j.oregeorev.2015.08.009 | Journal (article/letter/editorial) | | AngloGold Ashanti CĂłrrego do SĂtio Mineração S/A, Lamego Mine, Rua Mestre Caetano, SabarĂĄ, MG, Brazil School of...to recognize the local lithostratigraphy at the mine site. From bottom to top it is composed of metabasalt...units are the Belo Horizonte, Bação, CaetĂ© and Santa Barbara complexes (Fig. 1). These rocks are Paleo-...sericiteâmuscovite and pyrite (±chalcopyrite and sphalerite). The lower contact with the carbonaceous phyllite...from Belo Horizonte, and 120 km from the Lamego mine, is hosted in metagraywackes and carbonaceous phyllites |  | | Journal (article/letter/editorial) | | Smithsonite Smythite Sodalite Sohngeite Sperrylite Sphalerite Sphene Spherocobaltite Spinel-group minerals...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 mineâ. This includes the imperative âif you look for a mine look for smelting...also for the chrome diopside found at Outukumpu mine, a mineral that is ïŹrst 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) | | Smithsonite Smythite Sodalite Sohngeite Sperrylite Sphalerite Sphene Spherocobaltite Spinel-group minerals...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 mineâ. This includes the imperative âif you look for a mine look for smelting...also for the chrome diopside found at Outukumpu mine, a mineral that is ïŹrst and foremost recognized...According to the Raw Materials Group (Sweden), the world mine production in 2005 stood at 19.3 m t metal content |
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