 | García-Romero, Emilia, María Manchado, Eva, Suárez, Mercedes, García-Rivas, Javier (2019) Spanish Bentonites: A Review and New Data on Their Geology, Mineralogy, and Crystal Chemistry. Minerals, 9 (11) 696 doi:10.3390/min9110696 | Journal (article/letter/editorial) | | Complutense University of Madrid, 28040 Madrid, Spain Geosciences Institute (IGEO) Spanish Research Council...28040 Madrid, Spain Department of Geology, University of Salamanca, 37008 Salamanca, Spain; a87578@usal...Cabo de Gata volcanic area (Almería Province) in the southern part of Spain, where the three main deposits...Bentonites are very important industrial rocks, with Spain being a significant producer worldwide, since its...dissolution–precipitation processes [14,32,42,47–51]. In Spain, there is active exploitation of bentonites in three |  | 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 |  | 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...the ground surface. Ore deposits within the Rodalquilar complex consist of alunite, gold-alunite, and |  | | Journal (article/letter/editorial) | | characteristics of the Rodalquilar and two neighbouring epithermal gold deposits in Spain P. S~inger-von Oepen...form: August 16, 1990 Abstract. The operating Rodalquilar gold deposit and the abandoned Triunfo and Maria...km east of Almeria in SE Spain. While the gold mineralization at Rodalquilar is mainly controlled by caldera-tectonics...Josefa is characterized by argillic alteration (illite/sericite, kaolinite). The alteration zonation around...around the gold-mineralized vein structures at Rodalquilar ranges from advanced argillic alteration (porous |  | Arribas, Antonio, Cunningham, C.G., McKee, E.H., Rye, R.O., Rytuba, J.J., Tosdal, R.M., Wasserman, M.D., Aoki, Masahiro (1995) Compilation of sample preparation and analytical methods and results of chemical, isotopic, and fluid inclusion analyses, Rodalquilar gold-alunite deposit, Spain. Open-File Report Vol. 1995 (95-221) US Geological Survey doi:10.3133/ofr95221 | Report (issue) | | and fluid inclusion analyses, Rodalquilar gold-alunite deposit, Spain by Anibas Jr., Antonio1'5 Cunningham...of the Rodalquilar gold-alunite deposit ..........................9 Index map of the Rodalquilar caldera................ 10 Cross-sections through the Rodalquilar and Lomilla calderas ........... 11 2. 3. 4...composition of volcanic rocks related to the Rodalquilar deposits ....................................... 25 Summary of stable isotope data for the Rodalquilar deposit................ 2& 14. 15. 16. 17. 18 |  | | Journal (article/letter/editorial) | | mineralization associated with the Rodalquilar epithermal gold-deposit in southeast Spain P. S~inger-von Oepen, G...Wfillnerstr. 2, D-5100 Aachen Abstract. At Rodalquilar gold mineralization is found in Late Tertiary...and an increase in f O 2 . All features of the Rodalquilar gold deposit reveal a close relationship to acid-sulfate-type...that Rodalquilar belongs to the acid-sulfate type. Mining of galena-quartz veins in the Rodalquilar area...which are bound to regional structures. The Rodalquilar gold deposit is located in the Sierra del Cabo |  | 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 |  | 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 |  | 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 |  | | Report (chapter) | | study of an abandoned gold mine at Rodalquilar in southern Spain have demonstrated the potential of airborne-mounted...understanding of the environmental status of the Rodalquilar area. Acid mine drainage emanating from abandoned...Geology and mining history of the Rodalquilar mining district The Rodalquilar mining district is located in...and low-grade metamorphic rocks in southeastern Spain (Fig. 1). Extensive hydrothermal alteration of the...intensity in the sequence: silica–alunite–kaolinite–illite–smectite– chlorite. Associated with this mineral |  | | 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...vein mineralization and alteration. Illite, interstratified illite-smectite, kaolinite, and pyrophyllite |  | | Journal (article/letter/editorial) | | composition of bentonites from Cabo de Gata (Almerı́a, Spain) Emilia Caballero n, Concepcion Jiménez de Cisneros...Zaidı́n, CSIC, Profesor Albareda 1, 18008 Granada, Spain a r t i c l e in fo abstract Article history:...d2H Bentonites Clay minerals Cabo de Gata region (Spain) 1. Introduction The isotopic composition of a...Geological map of the study area (Cabo de Gata; SE of Spain) and sampling sites for bentonites (SN: Serrata...Acknowledgements The Project CGL2004-01651 from MEC (Spain) had supported this work. References Arribas, A |  | Caballero, E., Jiménez de Cisneros, C., Huertas, F. J., Huertas, F., Pozzuoli, A., Linares, J. (2005) Bentonites from Cabo de Gata, Almería, Spain: a mineralogical and geochemical overview. Clay Minerals, 40 (4) 463-480 doi:10.1180/0009855054040184 | Journal (article/letter/editorial) | | 463±480 Bentonites from Cabo de Gata, Almerõ a, Spain: a mineralogical and geochemical overview  N E...ZaidõÂn, CSIC, Profesor Albareda 1, 18008 Granada, Spain, and Estacio 2 Dipartimento di Á degli Studi...Neogene volcanic region of Cabo de Gata, AlmerõÂa, SE Spain, is dotted with many outcrops of bentonite, some...solutions, geochemistry, Cabo de Gata, AlmerõÂa, Spain. Bentonites from Cabo de Gata volcanic region ...with the stability and longevity of (AlmerõÂa, SE Spain) have been known commercially bentonite in a variety |  | 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;...has kaolinite-pyrite alteration in its core and illite-montmorillonite alteration along its margins. (D)...hbx = hydrothermal breccia, hem = hematite, ill = illite, kln = kaolinite, mnt = montmorillonite, prl =...rhyodacite, illite-montmorillonite alteration) B) Unit 4A (fine fragmental rhyodacite, illite-montmorillonite |  | 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) | | quartz–alunite, dickiteFkaoliniteFpyrophyllite, and illite–montmorilloniteF kaolinite. Laser-ablation ICP-MS...e, dickiteFkaoliniteF pyrophylliteFpyrite, and illite–montmorilloniteF kaoliniteFpyrite (Fig. 2). The...groundmass is replaced by fine-grained quartz. Illite–montmorilloniteFkaolinite (bargillicQ) alteration...teFkaolinite, and replacement of groundmass by illite or montmorilloniteFkaolinite and fine-grained quartz...primary fragments partly to completely altered by illite or montmorilloniteFkaolinite, and only partial |  | Corral, Isaac, Cardellach, Esteve, Corbella, Mercè, Canals, Àngels, Gómez-Gras, David, Griera, Albert, Cosca, Michael A. (2016) Cerro Quema (Azuero Peninsula, Panama): Geology, Alteration, Mineralization, and Geochronology of a Volcanic Dome-Hosted High-Sulfidation Au-Cu Deposit. Economic Geology, 111 (2) 287-310 doi:10.2113/econgeo.111.2.287 | Journal (article/letter/editorial) | | Universitat Autònoma de Barcelona, 08193 Barcelona, Spain Geology Research Centre (EGRU), College of Science...Geologia, Universitat de Barcelona, 08028 Barcelona, Spain 4 U.S. Geological Survey, Denver, CO 80225 Abstract...alunite ± pyrophyllite ± dickite ± kaolinite ± illite, and montmorillonite ± chlorite (Steven and Ratté...barite, illite and pyrite Advanced argillic; quartz, kaolinite-dickite, barite, gypsum, illite and pyrite...Landslide scars Argillic; quartz, kaolinite, illite, illite-smectite, smectite and chlorite Fig. 5. Cerro |  | Chouinard, A., Williams-Jones, A. E., Leonardson, R. W., Hodgson, C. J., Silva, P., Tellez, C., Vega, J., Rojas, F. (2005) Geology and Genesis of the Multistage High-Sulfidation Epithermal Pascua Au-Ag-Cu Deposit, Chile and Argentina. Economic Geology, 100 (3) 463-490 doi:10.2113/gsecongeo.100.3.463 | Journal (article/letter/editorial) | | characterized by illite without alunite and grades outward to smectite, interlayered illite-smectite, and...altered rocks contain mainly quartz, chlorite, illite, epidote, gypsum, and kaolinite, with minor carbonate...rimmed by illite and crosscut by illite veinlets in the Brecha Central area (Fig. 9C). The illite is fine...argillic alteration. Illite-altered fragments are common in Brecha Central, but illite is absent from the...argillic alteration and the main brecciation event. Illite occurs locally in veinlets that cut the matrix |  | | Report (issue) | | silicified zones, followed laterally outward by an illite-dominated zone, and a distal montmorillonite-rich...matrix of these breccias is composed of sericite, illite, and pyrite, with minor amounts of alunite. The...the deposit (fig. 2). Fine-grained alunite and illite were apparently added to the matrix of the breccia...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 |  | Dill, H. G., Bosse, H.-R., Henning, K.-H., Fricke, A., Ahrendt, H. (1997) Mineralogical and chemical variations in hypogene and supergene kaolin deposits in a mobile fold belt the Central Andes of northwestern Peru. Mineralium Deposita, 32 (2) 149-163 doi:10.1007/s001260050081 | Journal (article/letter/editorial) | | altered to argillaceous material consisting of illite, kaolinite and some quartz (Fig. 1, Tables 1, 2)...Anatase, feldspar, woodhouseite-svanbergite, smectite-illite m.l. Alunite Grupo Calipuy Lower Tertiary La...Papelillo deposits contain kaolinite, quartz and some illite. The kaolin is low in P, S and Ba, but relatively...randomly interstratified smectite-illite mixed-layer minerals with illite components up to 40%. These deposits...major elements of APS minerals 1. Fine-grained illite (e.g. El Guitarrero, Chorobal) in the matrix of |  | Sahlström, Fredrik, Arribas, Antonio, Dirks, Paul, Corral, Isaac, Chang, Zhaoshan (2017) Mineralogical Distribution of Germanium, Gallium and Indium at the Mt Carlton High-Sulfidation Epithermal Deposit, NE Australia, and Comparison with Similar Deposits Worldwide. Minerals, 7 (11) 213 doi:10.3390/min7110213 | Journal (article/letter/editorial) | | dck—dickite; gyp—gypsum; hbx—hydrothermal breccia; ill—illite; kln—kaolinite; mnt—montmorillonite; prl—pyrophyllite;...py—pyrite; qtz—quartz; rt—rutile. hem—hematite; ill—illite; kln—kaolinite; mnt—montmorillonite; prl—pyrophyllite;...granite granite basement comprises chlorite and illite occurring in veinlets and as replacements of pre-existing...pre-existing basement comprises chlorite and illite occurring in veinlets and as replacements of pre-existing...Syn-Tectonic Alteration and Supergene Oxidation Pervasive illite-montmorillonite ± red hematite alteration with |  | | Journal (article/letter/editorial) | | veins within a 50-m-wide zone of Kfeldspar-quartz-illite alteration and overlying local occurrences of chalcedony...quartz), K-feldspar, montmorillonite, and minor illite, and barite. Kaolinite occurs in two types: poorly...SILICEOUS BODIES 34 51 200 52 K-FELDSPAR - QUARTZ - ILLITE KAOLINITE 1Md - MONTMORILLONITE CRISTOBALITE KAOLINITE...QUARTZ ±ALUNITE ± DICKITE MONTMORILLONITE - QUARTZ - ILLITE 40° 13’ 50’’ KAOLINITE 1Md - KAOLINITE 1T - OPAL...(leaching) of volcanic rock K-feldspar-quartz-illite Envelope of silica veins (<100 m) Replacement |  | Fernández-Caliani, J. C., de la Rosa, J. D., Sánchez de la Campa, A. M., González-Castanedo, Y., Castillo, S. (2013) Mineralogy of atmospheric dust impacting the Rio Tinto mining area (Spain) during episodes of high metal deposition. Mineralogical Magazine, 77 (6) 2793-2810 doi:10.1180/minmag.2013.077.6.07 | Journal (article/letter/editorial) | | atmospheric dust impacting the Rio Tinto mining area (Spain) during episodes of high metal deposition J. C....Huelva, Campus de El Carmen s/n, 21071-Huelva, Spain Unidad Asociada al CSIC Contaminación Atmosférica...Huelva, Campus de El Carmen s/n, 21071-Huelva, Spain [Received 28 May 2013; Accepted 26 June 2013; Associate...atmospheric particulate matter deposited at Rio Tinto, Spain, an historical mining district of world-class importance...Autonomous Community of Andalucı́a, in southwest Spain (Fig. 1), and it encompasses an area of 628 km 2 |  | Echavarria, L., Nelson, E., Humphrey, J., Chavez, J., Escobedo, L., Iriondo, A. (2006) Geologic Evolution of the Caylloma Epithermal Vein District, Southern Peru. Economic Geology, 101 (4) 843-863 doi:10.2113/gsecongeo.101.4.843 | Journal (article/letter/editorial) | | rhodonite, rhodochrosite, pyrite and minor adularia, illite, barite, and helvite. Ore minerals include sphalerite...(quartz-adularia and quartz-illite) and propylitization (chlorite + calcite ± illite). Banded veins show four...petrographic studies, are quartz, pyrite, adularia, and illite, which constitute the following main alteration...(+ pyrite ± illite), quartz-illite (+ pyrite), and propylitic (chlorite + calcite ± illite). 0361-0128/98/000/000-00...over ferromagnesian phenocrysts of the host rock. Illite is present within plagioclase phenocrysts and in |  | Franchini, Marta, Impiccini, Agnes, Lentz, David, Ríos, Francisco Javier, O'Leary, Sol, Pons, Josefina, Schalamuk, Abel Isidoro (2011) Porphyry to epithermal transition in the Agua Rica polymetallic deposit, Catamarca, Argentina: An integrated petrologic analysis of ore and alteration parageneses. Ore Geology Reviews, 41 (1) 49-74 doi:10.1016/j.oregeorev.2011.06.010 | Journal (article/letter/editorial) | | higher levels, pyrophyllite replaces muscovite and illite in clasts of hydrothermal breccias in the center...deposits (see Selby and Nesbitt, 2000). White micas+illite occur in the transitional alteration and in most...phyllic alteration cut by drill hole AR-80, and only illite in the advance argillic alteration zone, in breccias... 2002). Illite was identified by XRD in the b2 μm fraction of the 53 analyzed samples. Illite is not expandable...of 2nd, 3rd, and 4th order peaks. Based on the illite intensity ratio (Ir), with values between 0.92 |
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