 | Rodriguez-Galiano, V., Sanchez-Castillo, M., Chica-Olmo, M., Chica-Rivas, M. (2015) Machine learning predictive models for mineral prospectivity: An evaluation of neural networks, random forest, regression trees and support vector machines. Ore Geology Reviews, 71. 804-818 doi:10.1016/j.oregeorev.2015.01.001 | Journal (article/letter/editorial) | | Granada, Spain d Departamento de Análisis Matemático, Universidad de Granada, 18071 Granada, Spain b a r...epithermal Au prospectivity mapping of the Rodalquilar district, Spain, indicate that the RF outperformed the...mineral potential mapping in the Rodalquilar gold mining district (Spain). This district is a favourable...support system for gold potential mapping in the Rodalquilar–San Jose districts. Rigol-Sanchez et al. (2003)...model for gold prospectivity mapping in the Rodalquilar district. van der Meer (2006) and Bedini et al |  | Esteban-Arispe, I., Velasco, F., Boyce, A.J., Morales-Ruano, S., Yusta, I., Carrillo-Rosúa, J. (2016) Unconventional non-magmatic sulfur source for the Mazarrón Zn–Pb–Cu–Ag–Fe epithermal deposit (SE Spain) Ore Geology Reviews, 72. 1102-1115 doi:10.1016/j.oregeorev.2015.10.005 | Journal (article/letter/editorial) | | mazarrón Zn-Pb-Cu-AgFe epithermal deposit (SE Spain) I. Esteban-Arispe, F. Velasco, A.J. Boyce, S. Morales-Ruano...mazarrón Zn-Pb-Cu-Ag-Fe epithermal deposit (SE Spain), Ore Geology Reviews (2015), doi: 10.1016/j.oregeorev...Mazarrón Zn-Pb-Cu-Ag-Fe epithermal deposit (SE RI Spain) Esteban-Arispe, I.a*, Velasco, F.b, Boyce, A.J...Universidad de Granada, 18002 Granada (Granada, Spain) Departamento de Mineralogía y Petrología. Facultad...Universidad del País Vasco, 48940 Leioa (Vizcaya, Spain) Scottish Universities Environmental Research Centre |  | | Journal (article/letter/editorial) | | THE PALAI–ISLICA EPITHERMAL DEPOSIT, SOUTHEASTERN SPAIN F. JAVIER CARRILLO ROSÚA, SALVADOR MORALES RUANO§...E–18002 Granada, Spain ABSTRACT In the Palai–Islica deposit, in southeastern Spain, gold is found associated...988]. Keywords: gold, gold–silver alloy, epithermal deposit, Palai–Islica, Spain. SOMMAIRE Dans le gisement...deposits containing varying proportions of gold, silver and related metals, such as Fe–Zn–Cu–Bi–Hg–Pb–As–Sb–...Gata – Cartagena volcanic belt in southeastern Spain (e.g., Arribas & Tosdal 1994, Morales et al. 2000 |  | Arribas, Antonio, Rytuba, J.J., Rye, R.O., Cunningham, C.G., Podwysocki, M.H., Kelly, W.C., Arribas, Antonio, McKee, E.H., Smith, James G. (1989) Preliminary study of the ore deposits and hydrothermal alteration in the Rodalquilar caldera complex, southeastern Spain. Open-File Report Vol. 1989 (89-327) US Geological Survey doi:10.3133/ofr89327 | Report (issue) | | IN THE RCDALQUILAR CALDERA COMPLEX, SOUTHEASTERN SPAIN Antonio Arrihas Jr.l James J. Rytuba^ Robert O...37008, Spain PRELIMINARY STUDY OF THE ORE DEPOSITS AND HYDROTHERMAL ALTERATION IN THE RODALQUILAR CALDERA...CALDERA COMPLEX, SOUTHEASTERN SPAIN SUMMARY The Rodalquilar gold-alunite deposits are the first documented...Mineralization occurs in rhyolitic tuffs and domes of the Rodalquilar caldera complex in the Miocene Cabo de Gata volcanic...deposits within the Rodalquilar complex consist of alunite, gold-alunite, and lead-zinc-silver-gold veins. The |  | Rytuba, J. J., Arribas, A., Cunningham, C. G., McKee, E. H., Podwysocki, M. H., Smith, J. G., Kelly, W. C., Arribas, A. (1990) Mineralized and unmineralized calderas in Spain; Part II, evolution of the Rodalquilar caldera complex and associated gold-alunite deposits. Mineralium Deposita, 25. doi:10.1007/bf00205247 | Journal (article/letter/editorial) | | and unmineralized calderas in Spain; Part H, evolution of the Rodalquilar caldera complex and associated...1989/Accepted: August 3, 1990 Abstract. The Rodalquilar caldera complex is located in the western part...the Cabo de Gata volcanic field in southeastern Spain and is the first documented example of epithermal...mineralization within a caldera in Europe. The Rodalquilar caldera is an oval collapse structure having...within the central resurgent dome of the older Rodalquilar caldera. The Lomilla caldera resulted from the |  | Rytuba, James J., Arribas, Antonio, Cunningham, C.G., McKee, E.H., Smith, James G., Arribas, Antonio (1989) Evolution of the Rodalquilar caldera complex and associated gold-alunite deposits, Cabo de Gata volcanic field, southeastern Spain. Open-File Report Vol. 1989 (89-326) US Geological Survey doi:10.3133/ofr89326 | Report (issue) | | DEPOSITS, CABO DE GATA VOLCANIC FIELD, SOUTHEASTERN SPAIN B/ James J. Rytubal Antonio Arribas Jr.2 Charles...University of Salamanca, Salamanca 37008, Spain EVOLUTION OF THE RODALQUILAR CALDERA COMPLEX AND ASSOCIATED GOLD-ALUNITE...DEPOSITS, CABO DE GATA VOLCANIC FIELD, SOUTHEASTERN SPAIN INTRODUCTION The Miocene Cabo de Gata volcanic...southeastern coast of Spain and is the only extensive area of Tertiary volcanic rocks in Spain. The volcanic...discusses the detailed geologic evolution of the Rodalquilar caldera complex and its spatial and temporal |  | | Journal (article/letter/editorial) | | structuralcontrolfor gold alunite-typedepositsin the Rodalquilar calderacomplex,Spain. At the endof the calderacycle,the...rto calderaforma- positswithinthe Rodalquilar calderacomplex,Spain tion maybe importantin localizingmagmaemplace-...EXPLANATION •"•,2 Acid Sulfate Alteration • Rodalquilar Caldera • Lornilia Caldera ß Alunite Deposit...data FIO.1. MapoftheRodalquilar caldera complex, Spain,modified fromRytubaet al.(1990)andOepen et al. (1989)...Dinner structures,the mineraldepositsin the Rodalquilar Creek ash-flowtuff eruptionat 15.3 Ma being the |  | | Report (issue) | | CAIDERA, CABO DE GATA VOLCANIC FIELD, SOUTHEASTERN SPAIN B/ Charles G. Cunningham1 Antonio Arribas Jr. 2...37008, Spain EVOLUTION OF THE LOS FRAILES CALDERA, CABO DE GATA VOLCANIC FIELD, SOUTHEASTERN SPAIN INTRODUCTION...The Cabc de Gata volcanic field of southeastern Spain is the only extensive area of Tertiary volcanic...the volcanic field including the Los Frailes, Rodalquilar, and Lomilla calderas (Rytuba et al., 1988; 1989)...deposits. Alunite deposits have been mined near Rodalquilar probably since Roman tirr.es. Gold, associated |  | Arribas, Antonio, Cunningham, Charles G., Rytuba, James J., Rye, Robert O., Kelly, William C., Podwysocki, Melvin H., McKee, Edwin H., Tosdal, Richard M. (1995) Geology, geochronology, fluid inclusions, and isotope geochemistry of the Rodalquilar gold alunite deposit, Spain. Economic Geology, 90 (4) 795-822 doi:10.2113/gsecongeo.90.4.795 | Journal (article/letter/editorial) | | FluidInclusions, andIsotopeGeochemistry of the Rodalquilar GoldAluniteDeposit,Spain ANTONIOARRIBAS, JR.,* Department...94025 Abstract The Rodalquilar epithermalAu alunitedepositoccurswithinthe Rodalquilar calderacomplexin...Gatavolcanic fieldin southeastern Spain.The Rodalquilar caldera formedby eruption of therhyolitic Cintoash-flow...collapse andresurgence. Ore deposits withinthe Rodalquilar calderacomplex consist of low-sulfidation Pb-Zn-(Cu-Ag-Au)...the Cabode Gataregionstartedin the early THE Rodalquilar depositin southeastern Spainis the first epithermal |  | | Journal (article/letter/editorial) | | deposits Mineralized and unmineralized calderas in Spain; Part I, evolution of the Los Frailes Caldera C...The Cabo de Gata volcanic field of southeastern Spain contains several recently-recognized calderas. Some... and physical evolution of the Los Frailes, Rodalquilar, and Lomilla calderas provides insight into the...structural development that the younger, mineralized Rodalquilar and Lomilla calderas were. This paper, and its...and unmineralized calderas in Spain; Part II, Evolution of the Rodalquilar caldera complex and associated |  | | Report (issue) | | pyriterich such as at El Salvador, Chile; Rodalquilar, Spain and Goldfield, Nevada. Supergene alunite...Arribas, Jr., currently studying the Rodalquilar district in Spain as part his Ph. D. program, and Jeff...acid-sulfate alteration over adularia-sericite type silver-base metal mineralization The epithermal Ag-Pb-Zn...alunites from Rodalquilar are the stage 2 alunites shown in Figure 17a-b. The alunites at Riaza, Spain are from...Creede and Riaza and supergene kaolinites from Rodalquilar fall close to, but to the left of, the kaolinite |  | | Journal (article/letter/editorial) | | nineteenth and early twentieth centuries two species of silver sulphide were distinguished, cubic “argentite”...Guanajuato (Mexico) and has become the richest silver mine in the world, in more recently Bou Azzer and...excellent crystallized specimens (Morocco). of silver minerals. At Schneeberg, Acanthites were veins...2005, 3-4 In Fresnillo (Cerro Proaño), mining the silver deposits cm octahedral crystals were found, generally...djurleite according to their atomic Benasque, Huesca (Spain), in the acidic subvolcanic orientation. As Evans |  | Ruano, S. M., Rosua, F. J. C., Hach-Ali, P. F., De La Fuente Chacon, F., Lopez, E. C. (2000) EPITHERMAL Cu-Au MINERALIZATION IN THE PALAI-ISLICA DEPOSIT, ALMERIA, SOUTHEASTERN SPAIN: FLUID-INCLUSION EVIDENCE FOR MIXING OF FLUIDS AS A GUIDE TO GOLD MINERALIZATION. The Canadian Mineralogist, 38 (3) 553-565 doi:10.2113/gscanmin.38.3.553 | Journal (article/letter/editorial) | | THE PALAI–ISLICA DEPOSIT, ALMERIA, SOUTHEASTERN SPAIN: FLUID-INCLUSION EVIDENCE FOR MIXING OF FLUIDS AS...Granada, Avda. Fuentenueva s/n, E-18002 Granada, Spain FERNANDO DE LA FUENTE CHACÓN AND EDUARDO CONTRERAS...Consultores S.L, Camino de Ronda 74–5, E-18004 Granada, Spain ABSTRACT The epithermal gold–copper-bearing deposit...Palai–Islica, near Carboneras, in Almeria, southeastern Spain, is hosted by volcanic rocks of Cabo de Gata – Cartagena...gold-bearing horizons, fluid inclusions, Palai–Islica, Spain. SOMMAIRE Le gisement épithermal (Au–Cu) de Palai–Islica |  | López-García, José Ángel, Oyarzun, Roberto, Lillo, Javier, Manteca, José Ignacio, Cubas, Paloma (2017) Geochemical Characterization of Magnetite and Geological Setting of the Iron Oxide ± Iron Silicate ± Iron Carbonate Rich Pb-Zn Sulfides from the La Unión and Mazarrón Stratabound Deposits (SE Spain) Resource Geology, 67 (2) 139-157 doi:10.1111/rge.12124 | Journal (article/letter/editorial) | | La Unión and Mazarrón Stratabound Deposits (SE Spain) José Ángel LÓPEZ-GARCÍA,1 Roberto OYARZUN,1,2 Javier... Madrid, Spain Abstract From a mineralogical point of view the La Unión ore field (SE Spain) can be regarded...mineral chemistry, Miocene, Pb–Zn–Fe ore deposits, SE Spain. Received 1 February 2016. Revised 5 September...Geológicas, Universidad Complutense, 28040 Madrid, Spain. Email: jangel@ucm.es © 2017 The Society of Resource...Geology 140 Unusual magnetite-rich Pb–Zn ores from Spain Fig. 2 Summary of main geologic, mineralogic and |  | Crespo, E., Lillo, J., Oyarzun, R., Cubas, P., Leal, M. (2013) The Mazarrón basin, SE Spain: a study of mineralization processes, evolving magmatic series, and geothermal activity. International Geology Review, 55 (16) 1978-1990 doi:10.1080/00206814.2013.810379 | Journal (article/letter/editorial) | | tandfonline.com/loi/tigr20 The Mazarrón basin, SE Spain: a study of mineralization processes, evolving magmatic...Geológicas, Universidad Complutense, 28040, Madrid, Spain b Escuela Superior de Ciencias Experimentales y...Juan Carlos, Tulipán s/n, 28933, Móstoles, Madrid, Spain c Instituto de Geología Aplicada, E.I.M.I. Almadén...Plaza Manuel Meca 1, 13400, Almadén, (Ciudad Real), Spain d Departamento de Biología Vegetal II, Facultad...28040, Madrid, Spain e Instituto IMDEA Agua, Punto Net 4, 28805, Alcalá de Henares, Spain Published online: |  | | Journal (article/letter/editorial) | | solfataric alteration, hypogenealunite in some silver and base metal sulfidedeposits,the Bolivian tin...mineralization, as in many of the Tertiary lead-silver depositsof the San Juan Mountains, Colorado. These...characteristic association of alunite with rich silver mineralizationin the upper portions of some of...ore formationin thosedeposits,and in similar lead-silver 601 Mineralogical and geological associations...whether further investigation of these ample, at Silver Bell (Kerr, 1964). Sulfide asof high sulfur to |  | | Journal (article/letter/editorial) | | gold mine in the Rodalquilar caldera near the town of Rodalquilar, Andalusia, Spain. Natropharmacoalumite...consists of (As,Sb)S4 tetrahedra and Ag polyhedra. Silver polyhedra coordination’s are linear, triangular |  | | Journal (article/letter/editorial) | | Harvey and Vitaliano, 1964; Ashley, 1974), Rodalquilar,Spain(Lodder, 1966; Vivaldi et al., 1971), and Chinkuashih...Chinkuashih,Taiwan (Huang, 1955; Wang, 1972) or with silver mineralizationas at Julcani, Peru (Noble and Silberman...sectionsummarizesthe work of Stoffregen (1'986) on the gold and silver mineralogyof the Summitvilledeposit.This studywas...localremobilizationof goldduringweathering. The silver-bearingphasesobservedat Summitville are covellite...amountsof silver. Covellite, which containsup to 5 wt percent Ag, is the main host for silver. Most gold |  | | Journal (article/letter/editorial) | | silicificationextendsbeyondthe limits of mineable dalquilar, Spain;Chinkuashih,Taiwan; and Temora, orebodies.Three...depositsand zonal wall-rock alteration near Rodalquilar,SE Spain:Univ. Amsterdam,Geol. Inst. Mededeel...Urashima,Y., 1975, Gold-silverdepositsin Japan,in Gold-silver oresin Japan,No. 1: Mining Metallurg. Inst. Japan...mineralizationand wall-rock alterationin the Rodalquilar gold-field,S.E. Spain:Soc.Mining GeologistsJapanSpec |  | | Journal (issue) | | Cabezo de la Escucha (Mountain), Cartagena, Murcia, Spain. Although probably mined since Roman times, mining...Europe, Mexico, the U.S., and particularly southern Spain. During the last eight years Christian has been...mineralogy of several ancient mines in southern Spain. He has visited the U.S. on vacation in recent years...las Alcantarillas mine, Belalcázar, Córdoba, Andalusia, Spain. The area is crossed by dikes and veins 50...Paloma mine, Zarza el Mayor, Cáceres, Extremadura, Spain. The Paloma mine has yielded many fine phosphate |  | | Report (issue) | | mines. The major commodity was gold, however, minor silver, copper, and lead were also recovered (Steven and...generally contains less than 0.25 weight percent silver (Stoffregen, 1986). Chalcopyrite and tennantite...1989) , Lake City, Colorado (Slack, 1980), Rodalquilar, Spain (Arribas and others, 1988; Sanger-von Oepen...Rye, R.O., and Castroviejo, R., 1988, Rodalquilar deposits, Spain, first example of caldera-related epithermal...the western United States and Mexico: in Gold and Silver deposits of the Basin and Range Province, Western |  | | Journal (article/letter/editorial) | | FROM THE PALAI-ISLICA Au-Cu DEPOSIT (ALMERÍA, SE SPAIN) J A V IE R C AR R I LL O -R OS Ú A 1 , * , S A...Educación, Campus de Cartuja, 18071, Granada, Spain Departamento de Mineralogı́a y Petrologı́a, Universidad...Ciencias, Avd. Fuentenueva s.n., 18002, Granada, Spain 3 Instituto Andaluz de Ciencias de la Tierra, CSIC...Ciencias, Avd. Fuentenueva s.n., 18002, Granada, Spain 2 Abstract—Phyllosilicate mineralogy is key to...system. Key Words—Chlorite, Epithermal, Gold, Mica, Spain, Intermediate-sulfidation, Volcanic-hosted. INTRODUCTION |  | Rainbow, Amelia, Clark, Alan H., Kyser, T. Kurtis, Gaboury, François, Hodgson, C. Jay (2005) The Pierina epithermal Au–Ag deposit, Ancash, Peru: paragenetic relationships, alunite textures, and stable-isotope geochemistry. Chemical Geology, 215 (1) 235-252 doi:10.1016/j.chemgeo.2004.06.050 | Journal (article/letter/editorial) | | Epithermal; Alunite habit; Stable isotopes; Gold; Silver 1. Introduction The Pierina mine, located in the...reprecipitated in Stage III hematite and goethite. Silver was largely introduced with Stage II enargite,...Summitville, CO (Stoffregen and Alpers, 1987), and Rodalquilar, Spain (Arribas et al., 1995). At Pierina, these...Summitville, CO (Rye et al., 1990, 1992) and Rodalquilar, Spain (Rye et al., 1992; Arribas et al., 1995)...and isotope geochemistry of the Rodalquilar gold alunite deposit, Spain. Econ. Geol. 90, 795 – 822. Clayton |  | Sahlström, Fredrik, Dirks, Paul, Chang, Zhaoshan, Arribas, Antonio, Corral, Isaac, Obiri-Yeboah, Matthew, Hall, Chris (2018) The Paleozoic Mount Carlton Deposit, Bowen Basin, Northeast Australia: Shallow High-Sulfidation Epithermal Au-Ag-Cu Mineralization Formed During Rifting. Economic Geology, 113 (8) 1733-1767 doi:10.5382/econgeo.2018.4611 | Journal (article/letter/editorial) | | unoxidized high-sulfidation deposits such as Lepanto, Rodalquilar, Chelopech, Chinkuashih, Pierina, and Pueblo...= Pueblo Viejo, Dominican Republic; Ro = Rodalquilar, Spain; Su = Summitville, Nevada; Ta = Tambo, Chile;...tetrahedrite-group minerals are overprinted by silver minerals (Fig. 12A), which include minerals of...cervelleite (Ag4TeS). The tetrahedrite-group minerals and silver minerals were, in turn, overprinted by the main...the discovery outcrop of the Mt. Carlton deposit (Silver Hill) was a gossan developed on veins of stage |  | | Report (chapter) | | Island of New Zealand, the Philippines, Fiji and Spain are described. They are commonly generated less...following their accumulation. Copper and subordinate silver were leached from the volcanic rocks and deposited...metals in various proportions, but also base metals. Silver occurs as argentite (or acanthite) and arsenic-...indicated by figures of more than 1000 000 000 oz of silver from both Pachuca and Guanajuato. Furthermore,...mines have yielded more than $1000 000 000 worth of silver and gold at present metal prices. The belt is broadly |
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