 | | Journal (article/letter/editorial) | | PROCESSES OF ASSIMILATION IN THE GENESIS OF CORDIERITE LEUCOMONZOGRANITES FROM THE IBERIAN MASSIF: A...C/ Jesus Arias de Velasco s/n, E–33005 Oviedo, Spain Antonio CASTRO Departamento de Geología, Universidad...Fuerzas Armadas s/n, E–21071 Huelva, Spain Abstract Cordierite monzogranites of the Hercynian Iberian...features of the cordierite monzogranites indicate links to these families. They contain a cordierite-group mineral...these granites are emplaced. The presence of cordierite as the most characteristic ferromagnesian phase |  | | Journal (article/letter/editorial) | | pre-eruptional Rb-Sr isoehrons in cordierite-bearing Neogene volcanics from SE Spain Niels Crosley Munksgaard...Neogene volcanic province of SE Spain. The almandine-bearing biotite-cordierite-labradorite dacite from the...support an anateetic origin for the entire suite of cordierite-bearing volcanics. The inclusions of basic igneous...reports O- and Sr-isotope data for a suite of cordierite-bearing calc-alkaline to shoshonitic rocks occurring...occurring along the Mediterranean coast of SE Spain. The suite forms part of the Neogene volcanic province |  | | Journal (article/letter/editorial) | | Mineralogist Vol. 38, pp. 1329-1346 (2000) DUALITY OF CORDIERITE GRANITES RELATED TO MELT–RESTITE SEGREGATION...SEGREGATION IN THE PEÑA NEGRA ANATECTIC COMPLEX, CENTRAL SPAIN M. DOLORES PEREIRA GÓMEZ§ AND M. DOLORES RODRÍGUEZ...Ciencias, Universidad de Salamanca, E–37008 Salamanca, Spain ABSTRACT A large anatectic complex of Hercynian...the Sierra de Gredos, Avila batholith, central Spain. Migmatites and anatectic granitic rocks were generated...decompression-induced melting, and generated small batches of cordierite leucogranites from an already depleted source |  | | Journal (article/letter/editorial) | | metastable reactions involving garnet, staurolite and cordierite: implications for petrogenetic grids and the...Belt, S Spain) contain mineral assemblages consisting of garnet (Grt), staurolite (St), cordierite (Crd)...(Qtz) and record complex reaction processes of cordierite growth through garnet and staurolite decomposition...thermodynamic calculations indicate that these cordierite-bearing assemblages are largely deviated from...from equilibrium. Furthermore, the actual cordierite-forming reactions, as estimated from the assemblage |  | | Journal (article/letter/editorial) | | Composition of chromites in cordierite-and mica-bearing Cr-Ni ores from M laga Province, Spain I. S. OEN Geologisch...An unusual paragenesis of chromite, nickeline, cordierite, and red-brown mica occurs in veins, pods, and...La Gallega and Los Jarales in M~ilaga province, Spain. The chromites in this paragenesis are low-ferric...textural evidence, suggests that the chromite, cordierite, and red-brown mica crystallized at magmatic...Los Jarales near Carratraca, M~tlaga province, S. Spain, show an unusual paragenesis with chromite, (Ni |  | | Journal (article/letter/editorial) | | NITROGEN-BEARING CORDIERITE AND TOBELITE IN META-RHYOLITES FROM THE CEUTA ZONE (RIF BELT, SPAIN): EVIDENCE...de Ciencias, Campus de Teatinos, 29071 Málaga, Spain Abstract We have conducted a detailed chemical...spectroscopic study of the alteration products of cordierite in metarhyolites from the Ceuta zone (Rif belt)...the nature of the products, the main stages of cordierite transformation and the metamorphic pressure-temperature...This study has revealed that N-bearing magmatic cordierite was transformed in concentric aggregates of mica |  | | Journal (article/letter/editorial) | | 1111/j.1525-1314.2007.00690.x Formation of spinel-cordierite-feldspar-glass coronas after garnet in metapelitic...(kriegsman@naturalis.nl) ABSTRACT Spinel + cordierite + K-feldspar + plagioclase + glass form coronas...localities of the Neogene Volcanic Province (NVP) of SE Spain. The presence of fresh glass (quenched melt) in...was required as reactant for the formation of cordierite. The P–T conditions for the formation of coronas...INTRODUCTION The mineral assemblage garnet-spinel-cordierite-feldspar-quartz-biotite-sillimanite is typical |  | | Journal (article/letter/editorial) | | Rock by the Ronda Ultramafic Intrusion, Southern Spain ABSTRACT The Ronda massif is an outcrop of generally...approximately 300 km2 on the southern coast of Spain west of Malaga. An emplacement age between Triassic...The reaction biotite + sillimanite + quartz = cordierite + garnet + K-feldspar + H2O is estimated to have...quartz-K-feldspar-sillimanite-cordierite-garnet-plagioclase and quartz-K-feldspar-biotite-cordierite-garnet-plagioclase;...approximately 300 km2 on the southern coast of Spain between Malaga and Gibraltar. It consists of harzburgite |  | Acosta-Vigil, Antonio, Cesare, Bernardo, London, David, Morgan, George B. (2007) Microstructures and composition of melt inclusions in a crustal anatectic environment, represented by metapelitic enclaves within El Hoyazo dacites, SE Spain. Chemical Geology, 237 (3) 450-465 doi:10.1016/j.chemgeo.2006.07.014 | Journal (article/letter/editorial) | | metapelitic enclaves within El Hoyazo dacites, SE Spain Antonio Acosta-Vigil a,⁎, Bernardo Cesare a,b ,...in the Neogene Volcanic Province of southeastern Spain. The enclaves represent fragments of continental...parallel cleavage planes. Melt inclusions in cordierite, alkali feldspar and ilmenite are isolated, sparse...Granada, Campus Fuentenueva s/n, 18002 Granada, Spain. Tel.: +34 958 248535; fax: +34 958 243368. E-mail...Neogene Volcanic Province (NVP) of southeastern Spain (Cesare et al., 1997, 2003a; Alvarez-Valero et al |  | | Journal (article/letter/editorial) | | abundance of ammonium in the granites of central Spain, and the behaviour of the ammonium ion during anatexis...Geologia, Universidad de Salamanca, Salamanca, Spain 3Departmento de Mineralogia y Petrologia, Universidad...Universidad de Granada, Fuentenueva s/n, Granada, Spain With 5 Figures Received May 24, 1994; accepted November...representative granites of the Hercynian massif of central Spain, and address two further important questions concering...abundance of ammonium in the granites of central Spain 107 Geological background Regional setting The |  | | Journal (article/letter/editorial) | | crustal melting beneath the Betic Cordillera (SE Spain): The case study of Mar Menor volcanic suite A.M...Carmen, Avda. Fuerzas Armadas, s/n, 21071, Huelva, Spain National Museum of Natural History, Naturalis, Darwinweg...Province (NVP) within the Betic Cordillera (SE Spain) consists of three main metapelitic enclave suites...matrix, and phenocrysts of plagioclase, biotite, cordierite. It also contains abundant xenocrysts, encompassing...garnet–orthopyroxene–spinel–cordierite (Grt–Opx–Spl–Crd) and (ii) sillimanite–andalusite–cordierite–spinel (Sil–And–Crd–Spl) |  | | Journal (article/letter/editorial) | | partitioning of Be, Cs, and other trace elements between cordierite and felsic melt, and the chemical signature of...2003 Abstract The trace-element signature that cordierite (Crd) imparts to silicic magmas was evaluated...using metapelite mineral mixtures to produce cordierite-bearing peraluminous granitic melts at 200 MPa...F and P, although Cs is nearly compatible in cordierite, especially at higher T (DCsCrd/melt=0.19 to...alkalis are better accommodated structurally. Cordierite appears to be the most effective crystalline reservoir |  | Della Ventura, Giancarlo, Bellatreccia, Fabio, Cesare, Bernardo, Harley, Simon, Piccinini, Massimo (2009) FTIR microspectroscopy and SIMS study of water-poor cordierite from El Hoyazo, Spain: Application to mineral and melt devolatilization. Lithos, 113 (3) 498-506 doi:10.1016/j.lithos.2009.05.031 | Journal (article/letter/editorial) | | microspectroscopy and SIMS study of water-poor cordierite from El Hoyazo, Spain: Application to mineral and melt devolatilization...2009 Available online 21 June 2009 Keywords: Cordierite Polarised FTIR spectroscopy SIMS microanalysis...microchemical and microspectroscopic FTIR study of cordierite from a partially melted graphite-bearing granulitic...enclave within the dacitic lava dome of El Hoyazo (SE Spain). Optically transparent single-crystals, hand picked...Single-crystal FTIR spectroscopy shows that the examined cordierite is CO2-rich and almost H2O-free. Two weak and |  | | Journal (article/letter/editorial) | | Petrologıa, ´ UniÕersidad de Granada, Granada, Spain b School of Geology and Geophysics, UniÕersity of...Geologıa, ´ UniÕersidad de Salamanca, Salamanca, Spain d Department of Geography and Geology, McMaster...areas: the Pena ˜ Negra Anatectic Complex Žcentral Spain. and the migmatites and leucogranites associated...associated with the Ronda peridotites Žsouthern Spain.. They represent two contrasting cases in the behaviour...absent tourmaline, low B contents Ž- 10 ppm., and cordierite" garnet leucosomes. Leucogranite dikes have high |  | | Journal (article/letter/editorial) | | Ciencias,Universidad de Salamanca,37008 Salamanca,Spain 2Department of Geology, McMaster University, Hamilton...is also useful for studying minerals such as cordierite, which can be difrcult to distinguish. In minerals...minerals from the Pefla Negra anatecticcomplex, Spain, the image density decreases in the order tourmaline...sillimanite c muscovite t sericite > chlorite > cordierite > biotite > feldspar = quartz. The sillimanite...sillimanite image comes mostly from B, the cordierite and biotite images reflect the content of Li, and muscovite |  | | Journal (article/letter/editorial) | | example from the Neogene Volcanic Province of SE Spain Bernardo Cesare Æ Daniela Rubatto Æ Marı́a Teresa...rocks along the Neogene Volcanic Province of SE Spain represent crustal anatectic melts mixed with mantle...Universidad de Granada, Fuentenueva s/n, 18002 Granada, Spain M. T. Gómez-Pugnaire Instituto Andaluz de Ciencias...18002 Granada, Spain Keywords Anatexis Geochronology Monazite SHRIMP Southern Spain Volcanism...formation. In the Neogene Volcanic Province (NVP) of SE Spain, for example, various rock types with different |  | | Journal (article/letter/editorial) | | Calc-alkaline Volcanics, Alborán Volcanic Province, SE Spain† H. P. ZECK1∗, A. B. KRISTENSEN2 AND E. NAKAMURA3...subsequent anatexis. Roughly coeval, restite-rich cordierite dacites show similar, ~200 Ma, high-age Rb–Sr...Neogene Alborán volcanic province in southern Spain, which seem to offer a better case than most for...Neogene Alborán volcanic province in southern Spain and North Africa [modified after Hernandez et al...from North Africa via the island of Alborán to SE Spain, a distance of 500–600 km (Fig. 1). The bulk of |  | | Journal (article/letter/editorial) | | anthophyllite/cummingtonite-cordierite rocks from the upper unit of the Ordenes Complex (Galicia, NW Spain) JACOBO ABATI*...Geoquímica, Universidad Complutense, E-28040 Madrid, Spain Abstract: Two types of low-Ca amphibolites are described...first time in the Ordenes Complex (Galicia, NW Spain). The first type exhibits an initial mineral assemblage...anthophyllite, which are found as microinclusions in cordierite crystals. This association indicates medium pressure...to low-pressure assemblage of anthophyllite, cordierite and garnet. The second type is represented by |  | | Journal (article/letter/editorial) | | Miocene volcanic rocks of S.E. Spain TH E Miocene magmatic province of S.E. Spain is characterized by calc...occurring near Caserio fuente de Meca, Sazarron, 5E Spain Potasssic dacites Trachytic latites Glass Whole...analyses; ~440 a and b have been normalized are cordierite-bearin 9 calc-alkaline/shoshonltic typical ...lamproites, for ] = Miocene respectively, from SE Spain. potassic dacites (Table 1) of probable Late Tortonian...contain also crustal xenoliths, consisting of cordierite, orthopyroxene (Mg# 89 core --+ 53 rim), biotite |  | Cesare, B., Maineri, C., Baron Toaldo, A., Pedron, D., Acosta Vigil, A. (2007) Immiscibility between carbonic fluids and granitic melts during crustal anatexis: A fluid and melt inclusion study in the enclaves of the Neogene Volcanic Province of SE Spain. Chemical Geology, 237 (3) 433-449 doi:10.1016/j.chemgeo.2006.07.013 | Journal (article/letter/editorial) | | enclaves of the Neogene Volcanic Province of SE Spain B. Cesare a,b,⁎, C. Maineri a , A. Baron Toaldo...Neogene volcanics of El Hoyazo and Mazarrón (SE Spain), associations of fluid and silicate melt inclusions...and cordierite, with microstructures that suggest primary trapping. The FI hosted in cordierite are monophase...All rights reserved. Keywords: Anatexis; CO2; Cordierite; Fluid inclusions; Graphite; Melt inclusions...volcanics of SE Spain. The preservation of FI and MI coexisting in plagioclase and cordierite have allowed |  | Perini, Giulia, Cesare, Bernardo, Gómez-Pugnaire, María Teresa, Ghezzi, Lorenzo, Tommasini, Simone (2009) Armouring effect on Sr-Nd isotopes during disequilibrium crustal melting: the case study of frozen migmatites from El Hoyazo and Mazarron, SE Spain. European Journal of Mineralogy, 21 (1) 117-131 doi:10.1127/0935-1221/2009/0021-1882 | Journal (article/letter/editorial) | | frozen migmatites from El Hoyazo and Mazarrón, SE Spain GIULIA PERINI1, BERNARDO CESARE2,3, MARÍA TERESA...Cientı́ficas) Campus Fuentenueva, s/n, 18002 Granada, Spain Abstract: Crustal melting is responsible for the...dacites of the Neogene Volcanic Province of SE Spain. These xenoliths represent the residue after some...of biotite, plagioclase, sillimanite, garnet, cordierite, graphite and abundant glass inclusions (i.e... erupted migmatite, Neogene Volcanic Province, Spain. 1. Introduction The radiogenic isotope (Sr, Nd |  | | Journal (article/letter/editorial) | | deformation in the restitic xenoliths at E1 Joyazo (SE Spain) g. CESARE Dipartimento di Mineralogia e Petrologia...types: garnet-biotite-sillimanite and spinel-cordierite xenoliths. In the xenoliths the widespread occurrence...deformation, glass, metapelite, microstructures, Spain, xenoliths. Introduction PARTIAL melting of crustal...of the Miocene volcanic rocks outcropping in SE Spain (modified after Lopez Ruiz and Rodriguez Badiola...xenoliths hosted by the dacitic lava of El Joyazo, SE Spain (Zeck, 1970). Due to the abundance of glass present |  | | Journal (article/letter/editorial) | | Cr-Ni-Mineralization;CordieriteChromite-Niccolite Oresof M/laga, Spain,andTheir Possible Originby Liquid Unmixing I. S...Abstract Mineralogical evidenceindicates that cordierite rocks and associatedchromite-niccolite ores occurring...Jarales and La Gallega in M/tlaga province, southern Spain, crystallized within range of liquidus temperatures...chromite-niccolitechain textures along contactsof cordierite and chromite-niccoliterocks, occurrenceof these... Los Jaralesnear Carratracain M/daga province,Spain, where prior to 1894 garnierite ores were mined |  | | Report (chapter) | | medium-pressure Variscan metamorphism in Galicia (NW Spain): evolution of a kyanite-bearing synform and associated...A u t ~ n o m a de Barcelona, 08193 Bellaterra, Spain Abstract: Evidence for different substitution relationships...the O110 de Sapo gneiss antiform in Galicia (NW Spain) suggests a high dependence of metamorphic evolution...assemblages. The peak assemblage within this domain was cordierite-biotite-K-feldsparandalusite/fibrolite related...predating the final high-T-low-P evolution. In N W Spain (Fig. 1), medium-pressure, kyanite-bearing assemblages |  | | Journal (article/letter/editorial) | | coefficients for Fe, Mg, and Mn between garnet, cordierite, tourmaline, and peraluminous, B-bearing hydrous...with decreasing temperature. The Mn content of cordierite increases with decreasing temperature. The composition...decreasing temperature for garnet, tourmaline, and cordierite. The precipitation of garnet alone results in...decrease of MnO/FeO in the melt. Crystallization of cordierite and tourmaline results in a decrease of MgO/FeO...an anatectic S-type source. Normative modes of cordierite and biotite are calculated from that composition |
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Rambla de las Granatillas, El Hoyazo, Níjar, Almería, Andalusia, Spain