 | Genske, Felix S., Beier, Christoph, Stracke, Andreas, Turner, Simon P., Pearson, Norman J., Hauff, Folkmar, Schaefer, Bruce F., Haase, Karsten M. (2016) Comparing the nature of the western and eastern Azores mantle. Geochimica et Cosmochimica Acta, 172. 76-92 doi:10.1016/j.gca.2015.08.019 | Journal (article/letter/editorial) | | Comparing the nature of the western and eastern Azores mantle Felix S. Genske, Christoph Beier, Andreas...Comparing the nature of the western and eastern Azores mantle, Geochimica et Cosmochimica Acta (2015)... Comparing the nature of the western and eastern Azores mantle Felix S. Genskea,b,c,e*, Christoph Beiera...author: felix.genske@uni-muenster.de Abstract The Azores islands in the central North-Atlantic originate...part of the Azores platform and beyond. These are compared to existing data from the Azores islands east |  | | Journal (article/letter/editorial) | | com/locate/lithos Conditions of melting beneath the Azores Christoph Beier a, b,⁎, Karsten M. Haase a, Simon...online 7 March 2012 Keywords: Ocean Island Basalts Azores P–T estimates Major elements Geodynamics a b s...melting dynamics. The central Azores islands of Faial, Pico, Graciosa and São Jorge are ideally suited for calculating...pattern of potential temperature anomalies in the Azores mantle plume. Trace elements indicate comparable...source composition. Melting temperatures in the Azores are lower and melting starts deeper than at other |  | | Journal (article/letter/editorial) | | Basalts: Insights from fine-scale study of São Jorge Island, Azores archipelago Marc-Alban Millet a,⁎, Régis...Keywords: OIB Isotope Mantle plume Mixing trends Azores archipelago Shallow-level interaction a b s t...determined for 21 basaltic samples from São Jorge Island, Azores archipelago. Samples can be separated...oceanic crust basement under São Jorge. Pb isotope analyses of lavas from São Jorge make it possible to re-define...re-define the Terceira end-member of the Azores archipelago, moving its composition to more radiogenic Pb |  | | Journal (article/letter/editorial) | | multiple generations of recycled oceanic crust in Azores lavas Paul Béguelin, Michael Bizimis, Christoph...multiple generations of recycled oceanic crust in Azores lavas, Geochimica et Cosmochimica Acta (2017),...multiple generations of recycled oceanic crust in Azores lavas Paul Béguelin1*, Michael Bizimis1, Christoph...subaerial and submarine samples from the Azores islands of São Miguel, Terceira, Graciosa, Faial, Pico...the Terceira Rift). In εNd-εHf isotope space all Azores lavas fall below the mantle array reference line |  | | Journal (article/letter/editorial) | | com/locate/chemgeo Helium and neon isotopes in São Miguel island basalts, Azores Archipelago: New constraints on the...Geociências U. Évora, R. Romão Ramalho, 59, 7000 Évora, Portugal Estrutura de Missão p/ Assuntos do Mar, R. Costa...Costa Pinto, 165, 2770–047 Paço de Arcos, Portugal a r t i c l e i n f o Article history: Received 24...Keywords: Azores Helium São Miguel island Isotopes Underplating a b s t r a c t Lavas from the São Miguel...Miguel Island, Azores Archipelago, have peculiar isotopic compositions, including radiogenic lead and strontium |  | Ribeiro, Luisa Pinto, Martins, Sofia, Hildenbrand, Anthony, Madureira, Pedro, Mata, João (2017) The genetic link between the Azores Archipelago and the Southern Azores Seamount Chain (SASC): The elemental, isotopic and chronological evidences. Lithos, 294. 133-146 doi:10.1016/j.lithos.2017.08.019 | Journal (article/letter/editorial) | | The genetic link between the Azores Archipelago and the Southern Azores Seamount Chain (SASC): The elemental...The genetic link between the Azores Archipelago and the Southern Azores Seamount Chain (SASC): The elemental...The genetic link between the Azores Archipelago and the Southern Azores Seamount Chain (SASC): the elemental...Shelf, R. Costa Pinto 165, 2770-047 Paço de Arcos, Portugal 2 - GeoBioTec Research Center, Univ. Aveiro, Campus...Campus de Santiago, 3810-193 Aveiro, Portugal 3 - Instituto Dom Luiz, Faculdade de Ciências, Univ. de |  | Wei, Xun, Zhang, Guo-Liang, Castillo, Paterno R., Shi, Xue-Fa, Yan, Quan-Shu, Guan, Yi-Li (2020) New geochemical and Sr-Nd-Pb isotope evidence for FOZO and Azores plume components in the sources of DSDP Holes 559 and 561 MORBs. Chemical Geology, 557. 119858pp. doi:10.1016/j.chemgeo.2020.119858 | Journal (article/letter/editorial) | | geochemical and Sr-Nd-Pb isotope evidence for FOZO and Azores plume components in the sources of DSDP Holes 559...sources of lavas in all the Azores islands except for the eastern part of São Miguel. In addition, Hole...plume-influenced E-MORBs near the Azores hotspot and even the Azores lavas. These suggest that Hole 561...metasomatized by deep, low-degree melts of the common Azores plume component. We propose that variable amounts...Mid-Atlantic Ridge E-MORB FOZO Radiogenic isotopes Azores plume 1. Introduction Mid-ocean ridge basalts |  | Rose-Koga, E.F., Koga, K.T., Moreira, M., Vlastelic, I., Jackson, M.G., Whitehouse, M.J., Shimizu, N., Habib, N. (2017) Geochemical systematics of Pb isotopes, fluorine, and sulfur in melt inclusions from São Miguel, Azores. Chemical Geology, 458. 22-37 doi:10.1016/j.chemgeo.2017.03.024 | Journal (article/letter/editorial) | | fluorine, and sulfur in melt inclusions from São Miguel, Azores E.F. Rose-Koga, K.T. Koga, M. Moreira, I...fluorine, and sulfur in melt inclusions from São Miguel, Azores. The address for the corresponding author...fluorine, and sulfur in melt inclusions from São Miguel, Azores EF Rose-Koga1, KT Koga1, M Moreira2, I Vlastelic1...inclusions of ocean island basalts (OIBs) from São Miguel, Azores, reflect the high 207Pb/204Pb and 208Pb/204Pb...concentrations measured in the same melt inclusions from São Miguel represent parental abundances unmodified by |  | Genske, Felix S., Turner, Simon P., Beier, Christoph, Chu, Mei-Fei, Tonarini, Sonia, Pearson, Norman J., Haase, Karsten M. (2014) Lithium and boron isotope systematics in lavas from the Azores islands reveal crustal assimilation. Chemical Geology, 373. 27-36 doi:10.1016/j.chemgeo.2014.02.024 | Journal (article/letter/editorial) | | and boron isotope systematics in lavas from the Azores islands reveal crustal assimilation Felix S. Genske...Keywords: Lithium–Boron isotopes Ocean island basalts Azores mantle plume Recycling Assimilation a b s t r...useful tools for the understanding of ocean island basalt genesis. We have applied both systems to a comprehensive...comprehensive set of well-characterised samples across the Azores islands in order to further evaluate the nature...Schilling, 1975, 1991; Vogt and Jung, 2004). In the Azores archipelago, seven of the volcanic islands are |  | | Journal (article/letter/editorial) | | com/locate/lithos Recent plate re-organization at the Azores Triple Junction: Evidence from combined geochemical...geochemical and geochronological data on Faial, S. Jorge and Terceira volcanic islands Anthony Hildenbrand... R. Costa Pinto, 165, 2770-047, Paço D'Arcos, Portugal e Centro de Geofísica de Évora and Dep. de Geociências...Ramalho, 59, 7000-671 Évora, Portugal f Universidade de Lisboa, Lisboa, Portugal b a r t i c l e i n f o...September 2014 Available online xxxx Keywords: Azores Triple Junction Geochemistry K/Ar dating Melt production |  | Hildenbrand, Anthony, Madureira, Pedro, Marques, Fernando Ornelas, Cruz, Inês, Henry, Bernard, Silva, Pedro (2008) Multi-stage evolution of a sub-aerial volcanic ridge over the last 1.3 Myr: S. Jorge Island, Azores Triple Junction. Earth and Planetary Science Letters, 273 (3) 289-298 doi:10.1016/j.epsl.2008.06.041 | Journal (article/letter/editorial) | | volcanic ridge over the last 1.3 Myr: S. Jorge Island, Azores Triple Junction Anthony Hildenbrand a,⁎...7000-671 Évora, Portugal Univ. Lisboa, Fac. Ciências, Dep. Geologia and CGUL/IDL, Lisboa, Portugal d Paleomagnetism...cedex, France e ISEL/DEC and IDL/CGUL, Lisboa, Portugal b c A R T I C L E I N F O Article history:...5 July 2008 Editor: R.W. Carlson Keywords: São Jorge Azores triple junction MAR K/Ar geochemistry volcanic...of S. Jorge to reconstruct the volcanic evolution of a linear ridge developed close to the Azores triple |  | Madureira, Pedro, Mata, João, Mattielli, Nadine, Queiroz, Gabriela, Silva, Pedro (2011) Mantle source heterogeneity, magma generation and magmatic evolution at Terceira Island (Azores archipelago): Constraints from elemental and isotopic (Sr, Nd, Hf, and Pb) data. Lithos, 126 (3) 402-418 doi:10.1016/j.lithos.2011.07.002 | Journal (article/letter/editorial) | | generation and magmatic evolution at Terceira Island (Azores archipelago): Constraints from elemental and isotopic...Universidade de Évora, R. Romão Ramalho, 59, 7000 Évora, Portugal Estrutura de Missão para os Assuntos do Mar, R...R. Costa Pinto, 165, 2770-047 Paço de Arcos, Portugal c Dep. de Geologia da Faculdade de Ciências da... Edifício C6, Campo Grande, 1749-016, Lisboa, Portugal d Department of Earth and Environmental Sciences...Científico, 3° Piso, Ala Sul, 9501-801, Ponta Delgada, Portugal f ISEL/ADEC, R. Conselheiro Emídio Navarro, 1 |  | Waters, Christopher L., Day, James M.D., Watanabe, Shizuko, Sayit, Kaan, Zanon, Vittorio, Olson, Kristina M., Hanan, Barry B., Widom, Elisabeth (2020) Sulfide mantle source heterogeneity recorded in basaltic lavas from the Azores. Geochimica et Cosmochimica Acta, 268. 422-445 doi:10.1016/j.gca.2019.10.012 | Journal (article/letter/editorial) | | heterogeneity recorded in basaltic lavas from the Azores Christopher L. Waters, James M.D. Day, Shizuko...heterogeneity recorded in basaltic lavas from the Azores, Geochimica et Cosmochimica Acta (2019), doi: https://doi...heterogeneity recorded in basaltic lavas from the Azores Christopher L. Waters1,2, James M.D. Day1*, Shizuko...Açores, Rua Mãe de Deus 9500-321, Ponta Delgada, Portugal *Corresponding author; email: jmdday@ucsd.edu...island basalts; sulfides; mantle heterogeneity; Azores 1 Waters et al. Mantle Sulfide Heterogeneity |  | Santos, João Orestes S., Van Breemen, Otto B., Groves, David I., Hartmann, Léo A., Almeida, Marcelo E., McNaughton, Neal J., Fletcher, Ian R. (2004) Timing and evolution of multiple Paleoproterozoic magmatic arcs in the Tapajós Domain, Amazon Craton: constraints from SHRIMP and TIMS zircon, baddeleyite and titanite U–Pb geochronology. Precambrian Research, 131 (1) 73-109 doi:10.1016/j.precamres.2004.01.002 | Journal (article/letter/editorial) | | with island arc magmatism (banded tonalite, meta-basalt and meta-andesite, Cuiú–Cuiú Complex; 2040–1998...turbidites/orogenic Jacareacanga Group, Tapuru Basalt/orogenic 1907–1886 1980–1957 2040–1998 2020–2000...anorthosite Tonalite, granodiorite, basalt Monzogranite, andesite Tonalite, basalt Turbidite, chert, banded iron...iron formation Oceanic basalt Continental rift, mantle plumes Continental rift-basin: fluvial braided...Klein, 2000), except the age of the undated Tapuru Basalt. This is inferred from its field relation with |  | Millet, Marc-Alban, Dauphas, Nicolas, Greber, Nicolas D., Burton, Kevin W., Dale, Chris W., Debret, Baptiste, Macpherson, Colin G., Nowell, Geoffrey M., Williams, Helen M. (2016) Titanium stable isotope investigation of magmatic processes on the Earth and Moon. Earth and Planetary Science Letters, 449. 197-205 doi:10.1016/j.epsl.2016.05.039 | Journal (article/letter/editorial) | | assimilation processes. In addition to the New Britain basalt data published by Millet and Dauphas (2014), 3...and trace elements by Yi et al. (2000). A single basalt from the Izu–Bonin arc, rock standard JB-2, was...the Cape Verde (São Nicolau island; Millet et al., 2008) and Azores archipelagos (São Miguel island: Turner... 1997; São Jorge island: Millet et al., 2009). In addition, a single continental flood basalt (the USGS...and a basaltic andesite from São Miguel Island (54.5 wt% SiO2 , Azores archipelago) were analysed. Although |  | Jeffery, A. J., Gertisser, R., O’Driscoll, B., Pacheco, J. M., Whitley, S., Pimentel, A., Self, S. (2016) Temporal evolution of a post-caldera, mildly peralkaline magmatic system: Furnas volcano, São Miguel, Azores. Contributions to Mineralogy and Petrology, 171 (5) doi:10.1007/s00410-016-1235-y | Journal (article/letter/editorial) | | peralkaline magmatic system: Furnas volcano, São Miguel, Azores A. J. Jeffery1 · R. Gertisser1 · B. O’Driscoll2...of three active central volcanoes on São Miguel Island, Azores, and is considered to be one of the most...from extended fractional crystallisation of alkali basalt parental magmas, at depths between ~3 and 4 km...Geológicos, University of the Azores, 9501‑801 Ponta Delgada, Azores, Portugal 4 Centro de Informação e...Sismovulcânica dos Açores, 9501‑801 Ponta Delgada, Azores, Portugal 5 Department of Earth and Planetary Science |  | | Book | | WORKSHOP W2 – 11th CONGRESS ISRM, PONTA DELGADA, AZORES, PORTUGAL, 14–15 JULY 2007 Volcanic Rocks Editors Ana...Delgada, Azores, Portugal João Carlos Nunes Department of Geosciences, University of Azores, Ponta Delgada...Delgada, Azores, Portugal LONDON / LEIDEN / NEW YORK / PHILADELPHIA / SINGAPORE © 2007 Taylor & Francis...B. Voight & J. Taron Geological hazards at the Azores region J.L. Gaspar, G. Queirós & T. Ferreira 1...del Potro Volcanostratigraphic profiles for the Azores region: A contribution for the EC8 Regulations |  | Zanon, Vittorio, Pimentel, Adriano, Auxerre, Marion, Marchini, Greta, Stuart, Finlay M. (2020) Unravelling the magma feeding system of a young basaltic oceanic volcano. Lithos, 352. 105325 doi:10.1016/j.lithos.2019.105325 | Journal (article/letter/editorial) | | Açores, Rua Mãe de Deus, 9500-123 Ponta Delgada, Portugal, Institut de Physique du Globe de Paris, Université...Avenue Scottish Jo 4 na 9500-123 Ponta Delgada, Portugal, Adriano.HG.Pimentel@azores.gov.pt Enterprise...model of the magma feeding system of Pico volcano (Azores islands, North Atlantic Ocean). We explore how...ascent -p from the MTZ along the Lomba do Fogo-São João fault (N150° system) and along the N120° re...can be applied not only to other volcanoes of the Azores but also to poorly monitored oceanic volcanoes |  | Beier, Christoph, Bach, Wolfgang, Busch, Alexander V., Genske, Felix S., Hübscher, Christian, Krumm, Stefan H. (2019) Extreme intensity of fluid-rock interaction during extensive intraplate volcanism. Geochimica et Cosmochimica Acta, 257. 26-48 doi:10.1016/j.gca.2019.04.017 | Journal (article/letter/editorial) | | lavas during their eruptive history. The submarine Azores Plateau in the Central Northern Atlantic has generally...basalts that correspond to a melting anomaly in the Azores. Our observations indicate that the extreme levels...magmatic activity during initial formation of the Azores Plateau and the tectonic regime providing pathways...oceanic plateaus. Keywords: large igneous province; Azores Plateau; water-rock reactions; ocean-crust exchange..., 2016). A substantial volume of the submarine Azores archipelago has been emplaced during arrival of |  | Marques, A. F. A., Barriga, F., Chavagnac, V., Fouquet, Y. (2006) Mineralogy, geochemistry, and Nd isotope composition of the Rainbow hydrothermal field, Mid-Atlantic Ridge. Mineralium Deposita, 41 (1) 52-67 doi:10.1007/s00126-005-0040-8 | Journal (article/letter/editorial) | | Edifício C6, Piso 4, Campo Grande, Lisboa 1749-016, Portugal e-mail: afamarques@fc.ul.pt Tel.: +351-21-7500000...(Baker and German 2004). Most hydrothermal sites are basalt-hosted with seafloor venting corresponding to the...Graciosa Flores N Terceira Faial Pico São Jorge AZORES São Miguel Menez Gwen Formiga Lucky Strike...second-order segments at the MAR, south of the Azores Islands 54 ridge. The basalts at the ridge summit...by the accumulation of collapsed, dead chimneys. Basalt outcrops were found exclusively on the bottom of |  | | Journal (article/letter/editorial) | | study area Mungi village forms a part of deccan basalt terrain where mostly the soils are laterites. Lot...whole ocean shifts related to impact events, flood basalt volcanism and long-term climate evolution. In addition...40Ar/39Ar and geochemical constraints on São Jorge Island, Azores J. RIBEIRO1, H. SANT’OVAIA1, C. GOMES2...4169-007 Porto, Portugal (joanaribeiro@fc.up.pt) 2 CGUC, DCT, Universidade Coimbra, Portugal 3 School of...Midões and Lomba areas of the Douro Coalfield, Portugal. X-ray diffraction analysis has provided information |  | Harris, A. J. L., Villeneuve, N., Di Muro, A., Ferrazzini, V., Peltier, A., Coppola, D., Favalli, M., Bachèlery, P., Froger, J.-L., Gurioli, L., Moune, S., Vlastélic, I., Galle, B., Arellano, S. (2017) Effusive crises at Piton de la Fournaise 2014–2015: a review of a multi-national response model. Journal of Applied Volcanology, 6. doi:10.1186/s13617-017-0062-9 | Journal (article/letter/editorial) | | 1958 Faial Azores Portugal 24,414 1690 Santa Barbara 2000 Terceira Azores Portugal 55,425 1660...1660 San Jorge 1964 São Jorge Azores Portugal 16,290 1635 Lanzarote 1824 Lanzarote Canary Islands...1564 São Miguel Azores Portugal 113,131 1445 Picos volcanic system 1652 São Miguel Azores Portugal...1880 São Miguel Azores Portugal 102,848 1445 Furnas 1630 São Miguel Azores Portugal 87,865...865 1415 Pico 1720 Pico Island Azores Portugal 31,521 1334 Hierro 2012 Hierro Island Canary |  | | Journal (article/letter/editorial) | | parautochthonous Variscan metasediments (Northern Portugal). Implications of metamorphism and metassomatism...Porto, Rua do Campo Alegre,687, 4169 - 007 Porto, Portugal (rramos@fc.up.pt; maribeir@fc.up.pt) The studied...Galiza Trás-os-Montes Zone (ZGTM), in Northern Portugal Variscan belt. The studied area involve two geographic...outcropping rock type, mainly silisified andesit and basalt that malachite and azurite in the silisic zone...as cumulates of Phanerozoic and Archaean flood basalt magmatism A827 Volcanic Outgassing and the Tl |  | | Journal (article/letter/editorial) | | expected LAB depths at stations on Ascension, São Jorge and Easter islands. The layer probably relates...the stations PSCM (in Terceira) and ROSA (in São Jorge), in the middle of the North Atlantic Ocean (see...65 ± 7 – 47.8 ± 0.3 71.6 ± 0.2 19 ROSA São Jorge, Atlantic Ocean 18 38.72 −28.24 2008– 2012...volcanic islands are dominated by the presence of basalt and gabbro (Duncan and Varne, 1988; Jorg, 2005) |  | Martins, Sofia, Mata, João, Munhá, José, Mendes, Maria Hermínia, Maerschalk, Claude, Caldeira, Rita, Mattielli, Nadine (2010) Chemical and mineralogical evidence of the occurrence of mantle metasomatism by carbonate-rich melts in an oceanic environment (Santiago Island, Cape Verde) Mineralogy and Petrology, 99 (1) 43-65 doi:10.1007/s00710-009-0078-x | Journal (article/letter/editorial) | | (GeoFCUL), Campo Grande, C6, 1749-016 Lisboa, Portugal S. Martins (*) : J. Mata : J. Munhá : R. Caldeira...1749-016 Lisboa, Portugal e-mail: smmartins@fc.ul.pt M. H. Mendes IICT - DES, Lisboa Portugal; Instituto de...D. Afonso Henriques 41-4° D., 1000-123 Lisboa, Portugal C. Maerschalk : N. Mattielli Department of Earth...Estrada da Portela - Zambujal, 2721-866 Alfragide, Portugal terised by pronounced negative K anomalies and...has been invoked to explain the peculiarities of São Nicolau Island (Doucelance et al. 2003; Millet et |
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