 | | Journal (article/letter/editorial) | | Pumice-Forming Alkaline Magmas from the Azores and Canary Islands and M. Storey 2 1 Department of Geology, Imperial... of airfall and ignimbrite type, from Tenerife (Canary Islands), Sao Miguel and Faial (Azores). It is...estimates can be obtained from titanomagnetite-ilmenite pairs containing appreciable quantities of minor...trachyandesitic pumice deposits from Atlantic islands; secondly, to reaffirm this approach as a rapid...volcanological context. Geological Settings The Canary Islands lie in the Eastern Atlantic on a sea-floor |  | | Journal (article/letter/editorial) | | sulphide-mineralization in the islands of Tenerife and La Gomera (Canary Archipelago, Spain) Received: 29 January...alkaline intrusive complexes of Tenerife and La Gomera (Canary Archipelago, Spain) are formed by nepheline syenites...represent part of the oldest magmatic episodes in both islands. This work presents new studies of the petrographic...displaying a simple paragenesis of magnetite, ilmenite, pyrite and pyrrhotite, in association with widespread...hydrothermal) in La Gomera and only one (magmatic) in Tenerife. The migration of the sulphide-bearing hydrothermal |  | Wiesmaier, S., Troll, V. R., Carracedo, J. C., Ellam, R. M., Bindeman, I., Wolff, J. A. (2012) Bimodality of Lavas in the Teide-Pico Viejo Succession in Tenerife--the Role of Crustal Melting in the Origin of Recent Phonolites. Journal of Petrology, 53 (12) 2465-2495 doi:10.1093/petrology/egs056 | Journal (article/letter/editorial) | | OF LAS PALMAS DE GRAN CANARIA, 35017 LAS PALMAS DE GRAN CANARIA, CANARY ISLANDS, SPAIN 4 DEPARTMENT...differentiation models for magmas erupted on oceanic islands and is increasingly recognized (e.g. Thirlwall...Harris et al., 2000; Troll & Schmincke, 2002). In Tenerife, too, fractional crystallization was long considered...contribute to the evolution of felsic magmas in Tenerife (Wolff & Palacz, 1989; Wolff et al., 2000). Major...Viejo stratovolcano (the most recent succession in Tenerife, 5200 ka) have been explored in great detail by |  | | Journal (article/letter/editorial) | | IN PYROCLASTIC DEPOSITS IN SOUTHEASTERN TENERIFE (CANARY ISLANDS) J. E. GARCIAHERNANDEZ, J. S. NOTARIO...University of La Laguna 38204 La Laguna, Tenerife, Canary Islands, Spain Abstract--The chemical and the mineralogical...with recent salic volcanic episodes from Tenerife (Canary Islands) have been studied. The investigationfocused...nature and the origin of the pyroclastic deposits. Tenerife phillipsites differ from typical diagenetic, lacustrine...for ash-fall deposits. The southeastern side of Tenerife Island is covered Base-surge deposits are quantitatively |  | Ablay, G. J., Carroll, M. R., Palmer, M. R., Marti, J., Sparks, R. S. J. (1998) Basanite-Phonolite Lineages of the Teide-Pico Viejo Volcanic Complex, Tenerife, Canary Islands. Journal of Petrology, 39 (5) 905-936 doi:10.1093/petroj/39.5.905 | Journal (article/letter/editorial) | | the TeideâPico Viejo Volcanic Complex, Tenerife, Canary Islands G. J. ABLAY1,2â, M. R. CARROLL1, M. R...BUILDING, QUEENâS ROAD, BRISTOL BS8 1RJ, UK 2 CONSEJO DE INVESTIGACIONES CIENTIFICAS, INSTITUTE OF EARTH SCIENCES...ALMERAâ MARTI I FRANQUES S/N, 08028 BARCELONA, SPAIN RECEIVED JUNE 24, 1997; REVISED TYPESCRIPT ACCEPTED...about the evolution and internal structure of the Tenerife central magma system during its most recent volcanic...KEY WORDS: Tenerife; TeideâPico Viejo; basanite; phonolite; lineages INTRODUCTION Tenerife, the largest |  | | Journal (article/letter/editorial) | | erupted from zoned magma systems underlying Tenerife (Canary Islands), Sao Miguel and Faial (Azores), and Vesuvius...light-REE depleted roofwards, the sphene-bearing Tenerife system is middle-REE depleted roofwards, the melanite-bearing...Lisbon^ 35° Madeira 30°N 500km 30? Canary Islands 20°Wi b) Tenerife 2. Volcanology and petrology of studied...(1973) and Booth & Walker (unpub. data) on the Canary Islands, and Booth, Croasdale & Walker (1978) and Walker...Croasdale (1971, and unpub. data) on the Azores Islands. We now describe the general features of these |  | | Journal (article/letter/editorial) | | syenite in a subvolcanic magma system: Tenerife, Canary Islands JOHN A. WOLFF Department qlGeology, University...syenite in a subvolcanic magma system: Tenerife, Canary Islands. Lithos, 20: 207-223. ~ The late Quaternary...Quaternary phonolitic pumice deposits of Tenerife, Canary Islands, are the product of a periodically-tapped...Stellate aegirine, lavenite, loparite and Mn-rich ilmenite are among the final products of magmatic crystallisation...late Quaternary phonolitic pyroclastic series o f Tenerife provides an unusual o p p o r t u n i t y to c |  | Gurenko, A.A., Hoernle, K.A., Hauff, F., Schmincke, H.-U., Han, D., Miura, Y.N., Kaneoka, I. (2006) Major, trace element and NdâSrâPbâOâHeâAr isotope signatures of shield stage lavas from the central and western Canary Islands: Insights into mantle and crustal processes. Chemical Geology, 233 (1) 75-112 doi:10.1016/j.chemgeo.2006.02.016 | Journal (article/letter/editorial) | | shield stage lavas from the central and western Canary Islands: Insights into mantle and crustal processes...January 2006; accepted 14 February 2006 Abstract The Canary plume is one of the few plumes that can be traced...subaerial shield stage lavas erupted on Gran Canaria, Tenerife, La Gomera and La Palma because these rocks are...Canaria lavas, as compared with those from other Canary Islands, imply melting of a plume probably containing...presence of a recycled component in the source of the Canary shield stage magmas. The observed â Corresponding |  | | Journal (article/letter/editorial) | | for the 1971 TeneguĂa eruption on La Palma, Canary Islands Abigail K. Barker1 · Valentin R. Troll1,2 ·...Sweden 2 GEOVOL, Universidad de Las Palmas, 35017 La Palmas Gran Canaria, Spain the magmas had already crystallised...Thermobarometry · Magma plumbing · La Palma · Canary Islands Introduction La Palma and the neighbouring...Hierro are the westernmost islands of the Canary archipelago (Fig. 1). Both islands are active volcanoes with...Palma is historically the most active of the Canary Islands with relatively frequent eruptions from the |  | | Journal (article/letter/editorial) | | silicaÂundersaturated alkaline magma: a case study from Tenerife, Canary Islands John A. Wolff Geological Magazine / Volume...silicaÂundersaturated alkaline magma: a case study from Tenerife, Canary Islands. Geological Magazine, 122, pp 623Â640...silica-undersaturated alkaline magma: a case study from Tenerife, Canary Islands JOHN A. WOLFF* Department of Geology,...a mixed-magma non-welded ignimbrite on Tenerife, Canary Islands, is described. Phenocrysts, which frequently...phonolitic magma, while Fe-Ti oxides and clinopyroxene-ilmenite give temperatures of 915 CC and 907 °C respectively |  | | Journal (article/letter/editorial) | | U-series disequilibria in volcanic rocks from the Canary Islands: Plume versus lithospheric melting CRAIG C...Sciences Dept., University of California Santa Cruz, Santa Cruz, CA 95064, USA 2 (Received March 15,...are presented for Holocene samples from the Canary Islands and interpreted with special emphasis on the...alkali basalts and tholeiites from the eastern Canary Islands whereas lower ratios are exclusively found...found in differentiated rocks from the western Canary Islands. Those with ordinary Nb/U ratios are attributed |  | | Journal (article/letter/editorial) | | eruptions from the Las Cañadas edifice, Tenerife (Canary Islands) S. E. BRYAN*â , J. MARTĂ⥠& R. A. F. CAS*...CSIC, Lluis Sole Sabaris s/n, 08028 Barcelona, Spain (Received 12 August 1997; accepted 27 April 1998)...dominated the large phonolitic shield volcano of Tenerife, the Las Cañadas edifice, for the last 1.5 m.y...successions. The Las Cañadas caldera of Tenerife in the Canary Islands is at the summit of the large phonolitic...29 N Tenerife Anaga Fuerteventura Gomera Hierro 28oN Gran Canaria Santa Cruz de Tenerife 18oW |  | | Journal (article/letter/editorial) | | Petrology of the Las Canadas Volcanoes, Tenerife, Canary Islands WILLIA1V[IA~ffI~IDLEY Department of Geology...1969 Abstract. Tenerife is the largest of the seven Tertiary to Recent volcanic islands that make up the...the Canary Archipelago. The island is composed of volcanics belonging to the basanitetrachyte-phonolite...e assemblage that eharacterises many Atlantic islands. The most voluminous development of intermediate...t i o n has focussed on the oceanic islands. Most of these islands are composed of volcanic rocks derived |  | | Journal (article/letter/editorial) | | behavior. Salites (Mg# 48â59) in phonolites from Tenerife, ferrohedenbergites (Mg# 14.2â 16.2) from the...Member of the Diego HernaÌndez Formation, Tenerife, Spain; ferrohedenbergites from the high-silica rhyolitic...from the phonolitic Fasnia 123 Fasnia Member, Tenerife The 309 ± 6 ka Fasnia Member (FM) is one of the...HernaÌndez Formation of the Las CanÌadas Upper Group on Tenerife (MartÄ±Ì et al. 1994; Edgar et al. 2007). Las CanÌadas...volcanic units analyzed in this study Volcano or province Fasnia Member (FM)a Otowi Member of the Bandelier |  | Neumann, E.-R., Wulff-Pedersen, E., Simonsen, S. L., Pearson, N. J., Marti, J., Mitjavila, J. (1999) Evidence for Fractional Crystallization of Periodically Refilled Magma Chambers in Tenerife, Canary Islands. Journal of Petrology, 40 (7) 1089-1123 doi:10.1093/petroj/40.7.1089 | Journal (article/letter/editorial) | | Periodically Refilled Magma Chambers in Tenerife, Canary Islands E.-R. NEUMANN1â, E. WULFF-PEDERSEN1, S...INST. DE CIENCIAS DE LA TIERRA ( JAUME ALMERA), CSIC, MARTIÌ I FRANQUES S/N 08028 BARCELONA, SPAIN RECEIVED...different ages and from different parts of Tenerife (Canary Islands), and their mafic silicates have been...chambers associated with ocean island magmatism in Tenerife. Clinopyroxene phenocrysts in basanitic to phonolitic...and partly within the overlying sequence of Canary Islands lavas. FCM processes may lead to significant |  | Casillas, RamĂłn, DemĂ©ny, Attila, Nagy, GĂ©za, Ahijado, Agustina, FernĂĄndez, Carlos (2011) Metacarbonatites in the Basal Complex of Fuerteventura (Canary Islands) The role of fluid/rock interactions during contact metamorphism and anatexis. Lithos, 125 (1) 503-520 doi:10.1016/j.lithos.2011.03.007 | Journal (article/letter/editorial) | | Metacarbonatites in the Basal Complex of Fuerteventura (Canary Islands). The role of ïŹuid/rock interactions during...Departamento de EdafologĂa y GeologĂa, Universidad de La Laguna, 38206, La Laguna, Santa Cruz de Tenerife, Canary...Canary Islands, Spain Institute for Geochemical Research, Hungarian Academy for Science, Budapest, Budaorsi...Hungary Departamento de GeodinĂĄmica y PaleontologĂa, Universidad de Huelva, Campus de El Carmen, 21071 Huelva...Huelva, Spain a r t i c l e i n f o Article history: Received 2 August 2010 Accepted 6 March 2011 |  | | Journal (article/letter/editorial) | | ocean island (Basal Complex, Fuerteventura, Canary Islands). These migmatites are characterised by a dense...(An32â36), diopside, biotite, oxides (magnetite, ilmenite), +/âamphibole, dominated by plagioclase in the...intrusion in the Basal Complex of Fuerteventura (Canary Islands), was emplaced at fairly shallow crustal levels...zones near a spreading centre in the Shetland Islands. BĂ©dard (1991) and Mevel (1988) also report occurrences...the easternmost islands of the Canary archipelago (Fig. 1a), a chain of volcanic islands that lies about |  | | Journal (article/letter/editorial) | | nepheline syenites containing zircon, titanite, ilmenite, etc. The agpaitic rocks are characterized by...Kogarko and coworkers (1977 and later); the Poqos de Caldas Project: Natural Analogues of Processes in...rather than simple minerals such as zircon and ilmenite (LeMaitre, 1989). The chemical formula of the...typical agpaitic minerals, but also titanite, ilmenite, apatite, etc. In the Tamazeght complex, Morocco...(Langesundsfjord type) and containing zircon, titanite and ilmenite in addition to eudialyte, and the miaskitic nepheline |  | | Journal (article/letter/editorial) | | interstitial glass in a xenolith from Tenerife, Canary Islands J.A. Wolff and J.B. T o n e y Department...interstitial glass in a xenolith from Tenerife, Canary Islands. Lithos, 29: 285-293. Interstitial glass...Quaternary phonolitic pyroclastic deposits of Tenerife, one of which contains 3.8% of compositionally...glass-bearing interstitial patch in Tenerife nepheline syenite sample SX3. Mn-ilmenite, white; pyroxene, pale grey;...to Wolff (1987) for a full description of six Tenerife nepheline-syenites, including the sample discussed |  | | Journal (article/letter/editorial) | | magmas resembling the lavas from the neighbouring Agua de Pau volcano, having higher Sr isotope ratios. The...magma sources at Sete Cidades and the adjacent Agua de Pau volcano imply *Corresponding author. E-mail:...studied oceanic volcanoes are those of the Hawaiian islands that have evolved through four stages: (1) pre-shield;...Geochemical studies of volcanic rocks from the islands JULY 2006 and the adjacent MAR suggest the presence...the volcanoes of Sete Cidades to the west and Agua de Pau to the east (Moore, 1990; Haase & Beier, 2003) |  | | Journal (article/letter/editorial) | | Alkali feldspar Volcanic glass Arico Formation Tenerife a b s t r a c t Argon system behavior in a young...of the Arico Formation (Bandas del Sur, Tenerife, Canary Islands) to elucidate the Ar-signature that glass...volcanic rocks. 2. Geologic setting Tenerife, the largest of the Canary Islands (Fig. 1), is constructed from...basaltic massifs around Tenerife. From ~3 Ma to 0.79 Ma (Ancochea et al., 1999) Tenerife underwent a complex...along the dry and arid Bandas del Sur, southern Tenerife (Fig. 1). Eruption sequences are often distinguished |  | | Report (chapter) | | isotope characteristics of the Granadilla Pumice, Tenerife: a study of the causes of strontium isotope disequilibrium...87Sr/86Sr values of 0.7031-0.7032, identical with Tenerife mafic magmas; the strontium isotopic variation...isotope ratios within the rocks of a single igneous province or centre are usually taken to indicate mantle...behaviour is seen in felsic pyroclastic rocks from Tenerife (Fig. 1), an ocean island where continental crust...the compositionally zoned Granadilla Pumice of Tenerife in order to understand more fully the nature and |  | | Book | | Physical Processes of Explosive Volcanic Eruptions B. De Vivo and R.J. Bodnar (Editors) Melt Inclusions in...Vesuvius 2000: Education, Security and Prosperity B. De Vivo (Editor) Volcanism in the Campania Plain Vesuvius...Sciences, CSIC, Lluis Sole Sabaris s/n, Barcelona, Spain Amsterdam Boston Heidelberg London New...A Case Study of the Abrigo Ignimbrite, Tenerife, Canary Islands 58 60 63 70 84 87 90 90 97 A. Pittari...Introduction 2. The Sierra Madre Occidental Volcanic Province 3. Regional Stratigraphy of the Sierra Madre Occidental |  | Casillas, RamĂłn, Nagy, GĂ©za, DemĂ©ny, Attila, Ahijado, Agustina, FernĂĄndez, Carlos (2008) Cuspidineâniocaliteâbaghdadite solid solutions in the metacarbonatites of the Basal Complex of Fuerteventura (Canary Islands) Lithos, 105 (1) 25-41 doi:10.1016/j.lithos.2008.02.003 | Journal (article/letter/editorial) | | metacarbonatites of the Basal Complex of Fuerteventura (Canary Islands) RamĂłn Casillas a,â, GĂ©za Nagy b, Attila DemĂ©ny...Departamento de EdafologĂa y GeologĂa, Universidad de La Laguna, 38206, La Laguna, Santa Cruz de Tenerife, Canary...Canary Islands, Spain Institute for Geochemical Research, Hungarian Academy for Sciences, Budapest, Budaörsi...Hungary Departamento de GeodinĂĄmica y PaleontologĂa, Universidad de Huelva, Campus de El Carmen, 21071 Huelva...Huelva, Spain a r t i c l e i n f o Article history: Received 11 June 2007 Accepted 12 February 2008 |  | | Journal (article/letter/editorial) | | Fataga formations, Tejeda Volcano, Gran Canaria, Canary Islands: mineral chemistry, intensive parameters, and...of Geology, University of California at Santa Barbara, Santa Barbara, CA 93106, USA Abstract. The Mogan...Fataga formations on the island of Gran Canaria, Canary Islands, represent a sequence of approximately 30 intercalated...Fataga) rocks is anorthoclase + edenitic amphibole + ilmenite + magnetite +_augite_+ hypersthene + apatite +...of 10 m. Introduction The Canary Islands are a group of seven islands in the Atlantic, 100 km off the |
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