 | | Journal (article/letter/editorial) | | Washington, DC 20013 pohwatp@si.edu Conichalcite Tsumeb Mine, Tsumeb Otjikoto Region, Namibia A n article appeared...specimens obtained from Hinojosa de Cordoba, Andalusia, Spain. Its name is derived from the Greek κονία...Conichalcite on malachite, 10.5 cm across, from the Tsumeb mine, Tsumeb, Otjikoto region, Namibia. Fine spherules...green crusts of fibrous spheres at the Cap Garonne mine, Le Pradet, Var, Provence-Alpes-Côte d’Azur, France...has been found as green spheres associated with quartz, goethite, monazite-(Ce), and agardite-(Y). Conichalcite |  | | Journal (article/letter/editorial) | | are generally scarcer than fluid inclusions in quartz and microthermometric measurements are more difficult...a 50-W reflected-light illuminator, both using quartz-tungsten-halogen light bulbs as a source of visible...000 cm–1 to 2,000 cm–1 (1.25 to 5.0 µm), with a quartz-tungsten-halogen source, a CaF2 beam splitter,...Hydrothermal/granite with greisen alteration Barcelona, Spain Hydrothermal/ Cu porphyry Hydrothermal/ epithermal...mineralization in marl Ambas Aguas, La Rioja, Spain Cameros basin, NE Spain Hydrothermal/ Fe-oxide–hosted |  | Almodóvar, Gabriel R., Yesares, Lola, Sáez, Reinaldo, Toscano, Manuel, González, Felipe, Pons, Juan Manuel (2019) Massive Sulfide Ores in the Iberian Pyrite Belt: Mineralogical and Textural Evolution. Minerals, 9 (11) 653 doi:10.3390/min9110653 | Journal (article/letter/editorial) | | Departamento de Ciencias de la Tierra, Universidad de Huelva, 21071 Huelva, Spain; almodovar@uhu.es (G.R.A... Dublin 4, Ireland MATSA SAU, Almonaster la Real, 21342 Huelva, Spain; juan.pons@matsamining.com Correspondence:...extending 230 km long and 40 km wide, from Seville, in Spain, to south of Lisbon, in Portugal (Figure (Figure...samples from Tharsis, Las Cruces, Magdalena, Cueva de la Mora, Aguas Teñidas, San Miguel, Aznalcollar, Massa...Carmen, Herrerías, Sotiel Coronada, Migollas, Concepción and Castillo de Buitron, among others. This work |  | | Journal (issue) | | Articles The Almadén mining district, Ciudad Real, Spain ...............................................CINNABAR twin, 6.5 mm, on matrix, from Almadén, Spain. Gianfranco Ciccolini collection and photo. Visit...Sickinger MARCUS BUDIL Monaco budil@monaco.mc Quartz var. Gwindl, Galenstock, Uri, Switzerland, 9 cm...District, Ciudad Real, Spain Borja Sainz de Baranda Graf Miami, 3, 4-C 28027 Madrid (Spain) borjateresa@hotmail...Alcala Campus Universitario-28805 Alcala de Henares (Spain) The Almadén Mining District exploited the largest |  | | Journal (article/letter/editorial) | | hydrothermal activity in the Almadén syncline, Spain: a longlasting Silurian to Devonian process? P....Oyarzun, J. Munhá and D. Morata Almadén (central Spain) is the most remarkable mercurymining district in...LC, Las Cuevas (3); NVC, Nueva (2); and Vieja Concepción (1). Numbers in brackets refer to position of...Ca–Mg–Fe carbonates, chlorite and microcrystaline quartz as well as Cr-rich mica (fuchsite) in ultramafic...They can be found in the Lower Silurian (Nueva Concepción), Upper Silurian (Las Cuevas), Lower Devonian |  | | Journal (article/letter/editorial) | | Services. C/Vilar Formoso 66, 37008 Salamanca, Spain. carconri@gmail.com 2IGEO-Consejo Superior de...Facultad de Ciencias Geológicas, 28040 Madrid, Spain. JOURNAL PRE-PROOF Abstract The northernmost Iberian...2011a, 2011b; Conde, 2016), La Zarza (Strauss et al., 1981), Concepción (Sánchez España, 2000), San Platón...Aguas Teñidas, Magdalena, Castillejito, Cueva de la Mora, and Monte -3- JOURNAL PRE-PROOF Romero (IGME...Donaire et al., 2002; Conde et al., 2003) Las Cruces Mine (Bobrowicz, 1995; Knight, 2000; Conde F et al |  | | Journal (article/letter/editorial) | | Andacollo copper–gold district, La Serena, Chile: preliminary data from the porphyry copper and possible...30°14’ south, 71°06’ west, some 55 km southeast of La Serena, at a mean elevation of 1030 m within a semi-arid...huge Caenozoic counterparts (e.g., Chuquicamata and La Escondida), they are of major interest. The Andacollo...modern operations in Chile, comprising an open-pit mine and integrated bacterial leaching–solvent extra...vary in composition from granodiorite–tonalite to quartz monzonite (including dioritic facies)5 and have |  | | Journal (article/letter/editorial) | | Granada, Spain 2 Department of Geology, Faculty of Experimental Sciences, University of Huelva, Campus...Campus El Carmen, 21071 Huelva, Spain 3 Institute of Environmental Assessment and Water Research, IDAEA-CSIC...IDAEA-CSIC, Jordi Girona 18, 08034 Barcelona, Spain AbstrAct This work presents a comparative study of Roman...recognized by the study of their best preserved mine residue. Slags are a type of waste resulting from...metals and metalloids in solution, known as acid mine drainage (AMD). Hereafter, the term metal includes |  | | Journal (article/letter/editorial) | | de GeologõÂ a, Universidad de Huelva, 21819 ± La RaÂbida, Huelva (Spain) e-mail: saez@uhu.es rough zoning...corner of the Iberian Peninsula, from Seville in Spain to the Atlantic Ocean, south of Lisbon, in Portugal...deposits such as Riotinto, Tharsis, La Zarza, Sotiel, and AznalcoÂllar in Spain, or Neves Corvo and Aljustrel...Zone Madrid Beja Aracena Aljustrel Lisboa IPB La Zarza Riotinto Neves Corvo N Tharsis Sotiel M...Aznalcóllar sin r ba Sevilla i v i qu dal Gua Huelva Faro PQ Group 0 30 km Culm Group Chança Group |  | Velasco, F., Herrero, J.M., Suárez, S., Yusta, I., Alvaro, A., Tornos, F. (2013) Supergene features and evolution of gossans capping massive sulphide deposits in the Iberian Pyrite Belt. Ore Geology Reviews, 53. 181-203 doi:10.1016/j.oregeorev.2013.01.008 | Journal (article/letter/editorial) | | Vasco UPV/EHU, 48080 Bilbao, Spain Centro Nacional de Investigación de la Evolución Humana, Paseo Sierra...Burgos, Spain Instituto Geológico y Minero de España, C/Rios Rosas, 23, 28003 Madrid, Spain a r t i...textures Lithogeochemistry Massive sulphide IPB Spain a b s t r a c t Twelve massive sulphide deposits...throughout the gossan profiles (goethite, hematite, quartz and jarosite) and the statistical analysis of the...near the surface, mainly composed of hematite and quartz with only weak anomalies in P, Pb and Sn. The origin |  | Martin-Izard, A., Arias, D., Arias, M., Gumiel, P., Sanderson, D.J., Castañon, C., Sanchez, J. (2016) Ore deposit types and tectonic evolution of the Iberian Pyrite Belt: From transtensional basins and magmatism to transpression and inversion tectonics. Ore Geology Reviews, 79. 254-267 doi:10.1016/j.oregeorev.2016.05.011 | Journal (article/letter/editorial) | | Oviedo, C/Arias de Velasco s/n, E-33005 Oviedo, Spain. b Faculty of Engineering and the Environment, University...E-33004 Oviedo, Spain. d Emed-Tartessus, La Dehesa S/N, Minas de Rio Tinto, E-21.660 Huelva (España). TE...the Northern sector, which is mostly located in Spain, graben basins and local pull-aparts are the main...felsic volcanism. In the Central sector, both in Spain and Portugal, half-graben basins are the most common...Iberian Pyrite Belt (IPB) extends from Portugal to Spain, covering an area of around 250 km by up to 60 km |  | Kelm, U., Pincheira, M., Oyarzún, J., Sucha, V. (2001) Combarbalá advanced argillic alteration zone, Chile: geology, geochemistry, mineralogy and mineralization potential. Applied Earth Science, 110 (2) 91-102 doi:10.1179/aes.2001.110.2.91 | Journal (article/letter/editorial) | | precious-metal deposits associated with kaolinite–alunite–quartz alteration, but only in the Combarbalá district...and the Ag–Au deposits of La Coipa, all related to kaolinite, alunite and quartz alteration.16 B91 districts...location along the colonial highroad, or camino real, contributed to its development into a centre of...the shafts are now used as water reservoirs. Old mine workings in the surrounding propylitic alteration...31° 16¢ S, 71° 04¢ W).2 One previously undescribed mine shaft, about 30 m deep, is located 1 km from the |  | Rodríguez-Díaz, Augusto Antonio, Canet, Carles, Villanueva-Estrada, Ruth Esther, Chacón, Elizabeth, Gervilla, Fernando, Velasco-Tapia, Fernando, Cruz-Gámez, Esther María, González-Partida, Eduardo, Casas-García, Raymundo, Linares-López, Carlos, Pérez-Zárate, Daniel (2019) Recent Mn-Ag deposits in coastal hydrothermal springs in the Baja California Peninsula, Mexico. Mineralium Deposita, 54 (6) 849-866 doi:10.1007/s00126-018-0846-9 | Journal (article/letter/editorial) | | y Petrología and Instituto Andaluz de Ciencias de la Tierra, Facultad de Ciencias, Universidad de Granada-CSIC...Fuentenueva s/n, 18002 Granada, Spain 1 Posgrado en Ciencias de la Tierra, Universidad Nacional Autónoma...04510 México City, Mexico 3 Facultad de Ciencias de la Tierra, Ex-Hacienda de Guadalupe, Universidad Autónoma...Instrumentación Científica of the Universidad de Granada, Spain. Quantitative WDS analyses of Mn oxides were conducted...Mineralogía y Petrología at Universidad de Granada, Spain. The mineralogy of silica deposits was verified |  | | Journal (article/letter/editorial) | | Minero de España, Azafranal 48, 37001 Salamanca, Spain Received 21 September 2003; accepted 30 December...Concepción, San Platón, Aguas Teñidas Este, San Miguel, La Zarza, Aljustrel, or Filón Norte in Rio Tinto. The...Sedimentary Complex is usually defined by the uppermost quartz–arenite layers or the first occurrence of volcanic...Aguas Teñidas Este; AZ: Aznalcóllar; CM: Cueva de la Mora; CO: Concepción; HE: Herrerı́as; LF: Los Frailes;...LC: Las Cruces; LO: Lousal; LP: Lomero–Poyatos; LZ: La Zarza; MI: Migollas; NC: Neves Corvo; RT: Rio Tinto; |  | Flores, Hernan, Lorenz, Sandra, Jackisch, Robert, Tusa, Laura, Contreras, I., Zimmermann, Robert, Gloaguen, Richard (2021) UAS-Based Hyperspectral Environmental Monitoring of Acid Mine Drainage Affected Waters. Minerals, 11 (2) 182 doi:10.3390/min11020182 | Journal (article/letter/editorial) | | UAS-Based Hyperspectral Environmental Monitoring of Acid Mine Drainage Affected Waters Hernan Flores 1, * , Sandra...UAS-Based Hyperspectral Environmental Monitoring of Acid Mine Drainage Affected Waters. Minerals 2021, 11, 182...activities, can result in environmentally damaging acid mine drainage (AMD). This needs to be accurately monitored...precisely map the extent of acid mine drainage in the Tintillo River (Spain). This river collects the drainage...sensing; machine learning; unmanned aerial system; acid mine drainage; random forest regression; post-mining |  | Tsantini, Evanthia, Minami, Takeshi, Cau Ontiveros, Miguel Ángel, Takahashi, Kazuya, Melgarejo, Joan Carles (2020) Sulfur Isotope Analysis to Examine the Provenance of Cinnabar Used in Wall Paintings in the Roman domus Avinyó (Barcelona) Minerals, 11 (1) 6 doi:10.3390/min11010006 | Journal (article/letter/editorial) | | Arqueomètrica de la Universitat de Bercelona (ERAAUB), Institut d’Arqueologia de la Universitat de Barcelona...Barcelona (UB), c/Montalegre 6-8, 08001 Barcelona, Spain; macau@ub.edu Graduate School of Science & Engineering...ICREA, Pg. Lluís Companys 23, 08010 Barcelona, Spain Chercheur associé, Centre Camille Jullian, MMSH...Aplicada, Facultat de Ciències de la Terra, Institut d’Arqueologia de la Universitat de Barcelona (IAUB)...Barcelona (UB), Martí i Franquès s/n, 08028 Barcelona, Spain; joan.carles.melgarejo.draper@ub.edu Correspondence: |  | Correa, Karen J., Rabbia, Osvaldo M., Hernández, Laura B., Selby, David, Astengo, Marcelo (2016) The Timing of Magmatism and Ore Formation in the El Abra Porphyry Copper Deposit, Northern Chile: Implications for Long-Lived Multiple-Event Magmatic-Hydrothermal Porphyry Systems. Economic Geology, 111 (1) 1-28 doi:10.2113/econgeo.111.1.1 | Journal (article/letter/editorial) | | Departamento de Ciencias de La Tierra, Casilla 160-C, Universidad de Concepción, Concepción CP 4030000, Chile ...Instituto GEA, Casilla 160-C, Universidad de Concepción, Concepción CP 4030000, Chile 3 Department 4 Superintendencia...El Abra, Calama CP 1390000, Chile Abstract Zircon LA-ICP-MS and CA-TIMS and molybdenite Re-Os geochronology...World-class deposits such as Chuquicamata (35–31 Ma), La Escondida (38–37 Ma), and Collahuasi (34–31 Ma)...basin Radomiro Tomic Chuquicamata Potrerillos Quartz-sericite zone Lineaments U-Pb Ages Re-Os Ages |  | | Journal (article/letter/editorial) | | other minerals such as iron oxides, cronstedite, quartz, feldspar, amphiboles and various clay minerals—montmorillonite...of pigment extraction and production located in Spain, France, Germany, Italy or Cyprus. All the analytical...from Andalusia Yellow ocher from Andalusia Brown ocher from Andalusia Black earth from Andalusia Spanish...23 PY 43 Andalusia, Spain Andalusia, Spain Andalusia, Spain Andalusia, Spain Castile, Spain Burgundy...minerals, mainly clays from the kaolin group and quartz. The aluminosilicate kaolinite (Al2 Si2 O5 (OH)4 |  | Inverno, C. M. C., Solomon, M., Barton, M. D., Foden, J. (2008) The Cu Stockwork and Massive Sulfide Ore of the Feitais Volcanic-Hosted Massive Sulfide Deposit, Aljustrel, Iberian Pyrite Belt, Portugal: A Mineralogical, Fluid Inclusion, and Isotopic Investigation. Economic Geology, 103 (1) 241-267 doi:10.2113/gsecongeo.103.1.241 | Journal (article/letter/editorial) | | arsenopyrite, and bournonite, together with minor quartz, chlorite, sericite, carbonate, and barite. The...stockwork zone and are underlain by up to 50 m of quartz-sericite-pyrite–altered rhyolitic rock. The stockwork...reniform, and cellular textures. Two generations of quartz, Q1 and Q2, and carbonate in the stockwork veins...massive or stockwork ore. The δ18O(SMOW) values for quartz in stockwork and massive sulfide are 11.6 to 13... and texturally contemporaneous, carbonate and quartz in stockwork veins are not in isotopic equilibrium |  | | Journal (article/letter/editorial) | | Library] at 03:41 01 August 2012 Olivenite TSUMEB MINE, TSUMEB, OSHIKOTO REGION, NAMIBIA H ydrothermal...specimen of olivenite from the worldfamous Tsumeb mine in Namibia, where attempts at specimen mining have...secondary copper assemblages from the Black Pine mine in the Phillipsburg area of Granite County (Waisman...and Gibbs 1983; Anthony et al. 1995). At the 79 mine in Gila County, olivenite occurs as small, olive-green...brochantite and anglesite (Keith 1972). At the Grandview mine, Coconino County, small prismatic olivenite crystals |  | | Journal (article/letter/editorial) | | Minero de España, Azafranal 48, 37001 Salamanca, Spain e-mail: f.tornos@igme.es F. Velasco Dpto. Mineralogía...Tecnología, Universidad del País Vasco, 48080 Bilbao, Spain F. Barra Department of Geosciences, The University...Geología Ecónomica Aplicada, Universidad de Concepción, Concepción, Chile D. Morata Dpto. Geología, Universidad...K-feldspar, chlorite, sericite, epidote, carbonates, quartz, actinolite, and scapolite. The largest deposits...assemblage of actinolite, biotite, Kfeldspar, and quartz. The most significant deposit of this type is Candelaria |  | Kelm, Ursula, Avendaño, Mario, Balladares, Eduardo, Helle, Sonia, Karlsson, Teemu, Pincheira, Marcos (2014) The use of water-extractable Cu, Mo, Zn, As, Pb concentrations and automated mineral analysis of flue dust particles as tools for impact studies in topsoils exposed to past emissions of a Cu-smelter. Geochemistry, 74 (3) 365-373 doi:10.1016/j.chemer.2013.12.001 | Journal (article/letter/editorial) | | Económica Aplicada, Universidad de Concepción, Casilla 160-C, Concepción, Chile Departamento de Ingeniería...Metalúrgica, Facultad de Ingeniería, Universidad de Concepción, Casilla 160-C, Chile a r t i c l e i n f o...2008; Department of Metallurgical Engineering, Concepción, Chile, 2011), dusts are either treated in a...in China (Bi et al., 2006); (3) health preventive real-time particle size and composition analysis by laser-induced...– chalcopyrite; M – mica; P – plagioclase; Q – quartz; S – smectite. Basal peaks of smectite are marked |  | Romero, Bárbara, Kojima, Shoji, Wong, Chilong, Barra, Fernando, Véliz, Walter, Ruiz, Joaquin (2011) Molybdenite Mineralization and Re-Os Geochronology of the Escondida and Escondida Norte Porphyry Deposits, Northern Chile. Resource Geology, 61 (1) 91-100 doi:10.1111/j.1751-3928.2010.00150.x | Journal (article/letter/editorial) | | Chile (Fig. 1), and is the largest copper-producing mine in the world with more than 1.2 Mt of fine copper...predominantly of Paleozoic quartz porphyry (Antigua porphyry), the Paleozoic La Tabla Formation, the Paleogene...rhyolite dome, and gravels (Fig. 2a). The Paleozoic quartz porphyry is distributed at the west of the Escondida...Escondida Norte area, extending to the adjacent Zaldívar mine (Richards et al., 1999). A U-Pb zircon age of 294...2 ⫾ 2.2 Ma was obtained for the Escondida Norte quartz porphyry (Escondida Internal Report, 2002). A similar |  | | Journal (article/letter/editorial) | | altered syn-mineral intrusions is 2.0 permil. Stage 1 quartz–alunite–pyrite of the Lepanto lithocap, above about...enargite. 1. Introduction Bodies of leached residual quartz, with alteration halos of advanced argillic minerals...until World War II, when Mitsui Mining operated the mine, and then again by LCMC from 1948 to 1996. The total...(Chang et al., 2011). The FSE porphyry ore body (Concepción & Cinco, 1989) was discovered in 1980 by the...98 holes from the 700 m level (mL) of the Lepanto mine. This study confirmed an inferred resource of 892 |  | 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) | | Geología Economica Aplicada, Universidad de Concepción, Concepción, Chile 187 Os/188Os ratios in the manganese...as the Miocene volcanic rocks and the Cretaceous quartz–monzonite basement. Field evidence, manganese oxide...Plio-Quaternary Tres Vírgenes volcanic field and La Reforma Caldera, and by the 24–12 Ma Andesite of...oldest rock in the Santa Rosalía area is a biotite quartz–monzonite dated at 91.2± 2.1 Ma using K–Ar geochronology...al. 1975). The quartz–monzonite unit crops out locally in Las Palmas Creek and in La Reforma Caldera |
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