 | | Journal (article/letter/editorial) | | (2004) 81: 85–111 DOI 10.1007/s00710-004-0029-5 Madeira Island alkaline lava spinels: petrogenetic implications...Universidade de Lisboa, Faculdade de Ci^encias, Lisboa, Portugal Received May 17, 2002; revised version accepted...Four groups of spinels have been identified in Madeira Island alkaline basalts: 1) Alrich chromian-spinels...log( f O2)NNO 1.8) during crystallisation from Madeira alkaline magmas. Pressure does not seem to have...crystallisation sequences during polibaric fractionation of Madeira magmas. Introduction Notwithstanding their minor |  | Quartau, Rui, Ramalho, Ricardo S., Madeira, José, Santos, Rúben, Rodrigues, Aurora, Roque, Cristina, Carrara, Gabriela, Brum da Silveira, António (2018) Gravitational, erosional and depositional processes on volcanic ocean islands: Insights from the submarine morphology of Madeira Archipelago. Earth and Planetary Science Letters, 482. 288-299 doi:10.1016/j.epsl.2017.11.003 | Journal (article/letter/editorial) | | morphology of Madeira Archipelago Rui Quartau a,∗ , Ricardo S. Ramalho b,c,d , José Madeira b , Rúben Santos...Instituto Hidrográfico – Marinha, 1200-615 Lisboa, Portugal Instituto Dom Luiz, Faculdade de Ciências, Universidade...Universidade de Lisboa, 1749-016 Lisboa, Portugal c School of Earth Sciences, University of Bristol, BS8...Plataforma Continental, 2770-047 Paço de Arcos, Portugal f PROAMBIENTE Consortium, Emilia-Romagna High...Editor: T.A. Mather Keywords: volcanic ocean islands Madeira Archipelago landslides and debris avalanches gullies |  | | Journal (article/letter/editorial) | | com/locate/epsl The 72 Ma geochemical evolution of the Madeira hotspot (eastern North Atlantic): recycling of...rocks from the Madeira Archipelago (eastern North Atlantic) and seamounts of the Madeira hotspot track...recycled Paleozoic (9 500 Ma) oceanic crust in the Madeira source. Variations in major element and isotopic...Elsevier Science B.V. All rights reserved. Keywords: Madeira; hot spots; isotope ratios; geochemistry; oceanic...ridges or hotspots (mantle plumes) which form ocean island volcanoes [1,2]. Based 0012-821X / 00 / $ ^ see |  | Geldmacher, J., Hoernle, K., Klügel, A., van den Bogaard, P., Duggen, S. (2006) A geochemical transect across a heterogeneous mantle upwelling: Implications for the evolution of the Madeira hotspot in space and time. Lithos, 90 (1) 131-144 doi:10.1016/j.lithos.2006.02.004 | Journal (article/letter/editorial) | | upwelling: Implications for the evolution of the Madeira hotspot in space and time J. Geldmacher a,⁎, K...transect from northern Madeira Island to a submarine volcanic field 55 km south of Madeira exhibit distinct...6million year temporal geochemical evolution on Madeira with the isotopic composition of the volcanic rocks...heterogeneity of the Madeira plume pulse and confirms models for the temporal evolution of ocean island volcanoes...2006 Elsevier B.V. All rights reserved. Keywords: Madeira; Mantle plumes; Trace elements; Isotope geochemistry; |  | Geldmacher, J., Hoernle, K., Bogaard, P.v.d., Duggen, S., Werner, R. (2005) New 40Ar/39Ar age and geochemical data from seamounts in the Canary and Madeira volcanic provinces: Support for the mantle plume hypothesis. Earth and Planetary Science Letters, 237 (1) 85-101 doi:10.1016/j.epsl.2005.04.037 | Journal (article/letter/editorial) | | geochemical data from seamounts in the Canary and Madeira volcanic provinces: Support for the mantle plume...the abundant and somewhat irregularly distributed island and seamount volcanoes off the coast of northwest...volcanic rocks from seamounts northeast of the Madeira Islands (Seine and Unicorn) and northeast of the...ages of shield stage volcanism from Canary and Madeira volcanic provinces confirm progressions of increasing...isotope geochemistry further confirms that the Madeira and Canary provinces are derived from different |  | | Journal (article/letter/editorial) | | groundwater geochemistry on the semi-arid Atlantic island of Porto Santo Maria Teresa Condesso de Melo a...Lisboa, Av. Rovisco Pais, 1049-001, Lisboa, Portugal Madeira Rochas, Avenida Arriga 75, Conjunto Monumental...Infante, Apartamento 506, 9000 - 060, Funchal, Madeira, Portugal GEOBIOTEC, Geosciences Department, University...Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal d Dept. of Geochemistry, GEUS, Øster Voldgade...chemistry of the semi-arid volcanic island of Porto Santo, part of the Madeira archipelago, Atlantic Ocean, |  | 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) | | magma generation and magmatic evolution at Terceira Island (Azores archipelago): Constraints from elemental...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 |  | | Book | | W2 – 11th CONGRESS ISRM, PONTA DELGADA, AZORES, PORTUGAL, 14–15 JULY 2007 Volcanic Rocks Editors Ana Maria...Laboratory of Civil Engineering, Ponta Delgada, Azores, Portugal João Carlos Nunes Department of Geosciences,... University of Azores, Ponta Delgada, Azores, Portugal LONDON / LEIDEN / NEW YORK / PHILADELPHIA / SINGAPORE...Innovative underground works at Socorridos, Madeira Island, Portugal P. Cafofo & L.R. Sousa V © 2007 Taylor...Foundation of the “Los Tilos” arch bridge in La Palma Island D. Simic 113 Foundations on grounds with caverns |  | 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) | | carbonate-rich melts in an oceanic environment (Santiago Island, Cape Verde) Sofia Martins & João Mata & José Munhá...Springer-Verlag 2009 Abstract Lavas from Santiago Island attest to a complex magmatic history, in which... Young (<3.3 Ma) primitive lavas from Santiago Island are characEditorial handling: A. Möller Electronic...(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 |  | | Journal (article/letter/editorial) | | gabbro outcrop, Porto da Cruz, Machico, Madeira Island, Portugal (32°46'01" N, 16°50'29" W); Serrado gabbro...gabbro outcrop, Porto da Cruz, Machico, Madeira Island, Portugal (32°45'30" N, 16°49'41" W) Stuart J. Mills•...2021-080 Xuwenyuanite Ag9 Fe3 +Te2S4 Xuw Bajiazi lead-zinc deposit, about 310 km southwest of Shengyang |  | | Journal (article/letter/editorial) | | trachy-andesites and trachytes dredged during the ‘‘Tore Madeira’’ cruise of the Atalante in 2001. The ages reveal...volcanism in the northern section of the Tore-Madeira Rise, which occurred 20–30 m.y. after opening of...signatures are different from Atlantic MORB, the Madeira Archipelago and the Azores, but they lie in the...lie in the northern and central part of the Tore-Madeira Rise, which extends over about 1000 km in SW–NE...ages and Pb–Sr–Hf isotopes from northern Tore-Madeira Rise 4951 713 km NORTH AMERICAN PLATE Mid-A |  | Beier, Christoph, Mata, João, Stöckhert, Ferdinand, Mattielli, Nadine, Brandl, Philipp A., Madureira, Pedro, Genske, Felix S., Martins, Sofia, Madeira, José, Haase, Karsten M. (2013) Geochemical evidence for melting of carbonated peridotite on Santa Maria Island, Azores. Contributions to Mineralogy and Petrology, 165 (5) 823-841 doi:10.1007/s00410-012-0837-2 | Journal (article/letter/editorial) | | melting of carbonated peridotite on Santa Maria Island, Azores Christoph Beier • João Mata • Ferdinand...Madureira • Felix S. Genske • Sofia Martins • José Madeira • Karsten M. Haase Received: 16 July 2012 / Accepted:...isotope data from Santa Maria, the easternmost island of the archipelago, along with published data from...Lisboa, FCUL, Campo Grande C6, 1749-016 Lisbon, Portugal N. Mattielli Laboratoire G-Time CP160/02, Université...R. Costa Pinto, 165, 2770-047 Paço de Arcos, Portugal P. Madureira Centro de Geofı́sica de Évora, Dep |  | Geldmacher, Jörg, Hoernle, Kaj, Hanan, Barry B., Blichert-Toft, Janne, Hauff, F., Gill, James B., Schmincke, Hans-Ulrich (2011) Hafnium isotopic variations in East Atlantic intraplate volcanism. Contributions to Mineralogy and Petrology, 162 (1) 21-36 doi:10.1007/s00410-010-0580-5 | Journal (article/letter/editorial) | | have formed by two adjacent hotspot tracks (the Madeira and Canary tracks) that possess systematically...range (14 eHf units). Samples from the proposed Madeira hotspot track have the most radiogenic Hf isotopic...composition, and (3) the moderately enriched end of the Madeira trend. The new Hf isotope data confirm the general...general geochemical distinction of the Canary and Madeira domains in the East Atlantic. Both domains, however...Hf-isotopes Hotspots Mantle geochemistry Madeira Canary Islands J. Blichert-Toft Laboratoire |  | | Journal (article/letter/editorial) | | shown mueh less interest. From Jan Mayen to Bouvet Island we have a most impressive literature dealing with...35~ 25 ~ --40~ ; @. AZORES" -- ~. __3o~ C MADEIRA ~ , f ([" ~ SELVAGENS -" , t .r.p i ~" CANARIES...Quaternary. Unquestionably the most interesting island as regards sedimentary rocks is Maio. Here occur...coast of the E - - W trending eastern part of the island, SOA~ES (Tom~Es & SOARES, 1946) had identified...without more ado this indication of Malm in the island, but all 1185 Aufs~itze things considered, we |  | Mata, J., Martins, S., Mattielli, N., Madeira, J., Faria, B., Ramalho, R.S., Silva, P., Moreira, M., Caldeira, R., Moreira, M., Rodrigues, J., Martins, L. (2017) The 2014–15 eruption and the short-term geochemical evolution of the Fogo volcano (Cape Verde): Evidence for small-scale mantle heterogeneity. Lithos, 288. 91-107 doi:10.1016/j.lithos.2017.07.001 | Journal (article/letter/editorial) | | heterogeneity J. Mata, S. Martins, N. Mattielli, J. Madeira, B. Faria, R.S. Ramalho, P. Silva, M. Moreira,...article as: Mata, J., Martins, S., Mattielli, N., Madeira, J., Faria, B., Ramalho, R.S., Silva, P., Moreira...Ciências, Universidade de Lisboa, 1749-016 Lisboa, Portugal. 2- Laboratoire G-Time, DGES, Université Libre...Instituto Politécnico de Lisboa, ISEL/ADF, Lisboa, Portugal 7- Institute de Physique du Globe de Paris (France)...de Energia e Geologia, I.P., 2610-999 Amadora, Portugal. 9- Geologist, Cabo Verde *- Corresponding author: |  | Geldmacher, Jörg, Hoernle, Kaj, Klügel, Andreas, van den Bogaard, Paul, Bindeman, Ilya (2008) Geochemistry of a new enriched mantle type locality in the northern hemisphere: Implications for the origin of the EM-I source. Earth and Planetary Science Letters, 265 (1) 167-182 doi:10.1016/j.epsl.2007.10.001 | Journal (article/letter/editorial) | | however, preclude it from being derived from the Madeira or Canary hotspots, making a lower-mantle origin...anomaly. As observed in mid-ocean-ridge and ocean-island basalts, there is a systematic decrease of 207Pb/204Pb...(P = Pitcairn, T = Tristan da Cunha/Inaccessible Island, G = Gough, W = Walvis Ridge, D = Discovery Seamount...samples in comparison to representative EM-I ocean-island basalts from Pitcairn = P, Gough = G and Tristan...the especially unradiogenic lavas from Pitcairn Island. Godzilla's extremely unradiogenic 207Pb/204Pb |  | Mata, J., Alves, C.F., Martins, L., Miranda, R., Madeira, J., Pimentel, N., Martins, S., Azevedo, M.R., Youbi, N., De Min, A., Almeida, I.M., Bensalah, M.K., Terrinha, P. (2015) 40Ar/39Ar ages and petrogenesis of the West Iberian Margin onshore magmatism at the Jurassic–Cretaceous transition: Geodynamic implications and assessment of open-system processes involving saline materials. Lithos, 236. 156-172 doi:10.1016/j.lithos.2015.09.001 | Journal (article/letter/editorial) | | Mata, C.F. Alves, L. Martins, R. Miranda, J. Madeira, N. Pimentel, S. Martins, M.R. Azevedo, N. Youbi...Mata, J., Alves, C.F., Martins, L., Miranda, R., Madeira, J., Pimentel, N., Martins, S., Azevedo, M.R.,...GEOBIOTEC, Campus TE 2 D Portugal 3 CE P Santiago, 3810-193 Aveiro, Portugal Geology Dept., Fac. of...Instituto Português do Mar e da Atmosfera, Lisboa, Portugal *Corresponding author: Departamento de Geologia...Universidade de Lisboa. Campo Grande C6. 149-016 Lisboa, Portugal. jmata@fc.ul.pt Phone: +351 938515021 1 ACCEPTED |  | | Report (chapter) | | From planet Earth to society: a new dynamic in Portugal concerning geoscience education and outreach activities...Necessidades, Largo das Necessidades, 1350 –215 Lisboa, Portugal 2 Department of Geology, University of Trás-os-Montes...Coimbra, Quinta de Prados, 5000– 801 Vila Real, Portugal 3 Department of Geography and Regional Planning...Lisboa, Av.de Berna, 26-C, 1069 – 061 Lisboa, Portugal 4 Portuguese National Committee for the International...Programme of Geosciences (NC – IGCP), Lisboa, Portugal *Corresponding author (e-mail: elizabeth.silva@mne |  | | Journal (article/letter/editorial) | | peridotite and enriched pyroxenite source for Madeira magmas: Insights from olivine Andrey A. Gurenko...2013 Available online 15 March 2013 Keywords: Madeira Islands Partial melting Recycling Olivine Peridotite...Reaction pyroxenite a b s t r a c t The Madeira and Canary island/seamount chains represent two adjacent...lavas covering the entire volcanic history of the Madeira Archipelago (~0–5 Ma). We demonstrate that Ni ×...pyroxenite-derived melt fractions in the parental Madeira magmas were inferred from olivine compositions |  | | Journal (article/letter/editorial) | | Islands, Canary Islands, Kerguelen, Gough and Madeira. The He isotopic compositions in samples of varied...from the Canary Islands, Kerguelen, Gough and Madeira, considered as a group, show a similar trend with...relationship between He and Sr-Nd isotopes of ocean island xenoliths are strikingly similar to that observed...the other islands investigated in this study--Madeira, Canary Islands, Gough, and Kerguelen [15]. In...[21]. 3.2. Canary Islands, Kerguelen, Gough and Madeira Canary Islands. Samples studied are from the islands |  | Martins, L.T., Madeira, J., Youbi, N., Munhá, J., Mata, J., Kerrich, R. (2008) Rift-related magmatism of the Central Atlantic magmatic province in Algarve, Southern Portugal. Lithos, 101 (1) 102-124 doi:10.1016/j.lithos.2007.07.010 | Journal (article/letter/editorial) | | magmatic province in Algarve, Southern Portugal L.T. Martins a,⁎, J. Madeira b , N. Youbi c , J. Munhá a , J...CeGUL, Edif. C6, Campo Grande, 1749-016 Lisboa, Portugal Departamento de Geologia da Faculdade de Ciências...IDL, Edif. C6, Campo Grande, 1749-016 Lisboa, Portugal c Department of Geology, Faculty of Sciences-Semlalia...preceded volcanism by 20 to 30Ma. These results lead us to propose a passive rifting model for the Algarve...Published by Elsevier B.V. Keywords: CAMP magmatism; Portugal; Pangean continental rifting; Volcanostratigraphy; |  | | Report (chapter) | | characteristics have been fully investigated (e.g. Canary, Madeira and Cape Verde). The emphasis will be placed Downloaded...-120° -60° 0° 60° 120° 180° 60° Azores 30° Madeira Canary Cape Verde Meteor 0° Ascension St. Helena...Other hotspots, such as those from the Canary and Madeira islands, appear to be associated with less substantial...1998; Grevemeyer 1999). The weak swell observed at Madeira has been ascribed to reheating of the lower lithosphere...(Fig. 6) (Morgan et al. 1995; Holm et al. 2008). Madeira is characterized by some of the lowest eruption |  | Levskii, L. K., Stolbov, N. M., Bogomolov, E. S., Vasil’eva, I. M., Makar’eva, E. M. (2006) Sr-Nd-Pb isotopic systems in basalts of the Franz Josef Land Archipelago. Geochemistry International, 44 (4) 327-337 doi:10.1134/s0016702906040021 | Journal (article/letter/editorial) | | (mainly in the southern hemisphere), whereas data on island basalts of Arctic basins are practically absent...MORB, (4) Hawaii, (5) Kerguelen, (6) Samoa, (7) Madeira, (8) Iceland, (9) Trinidad (hereinafter data from...minerals. The isotopic ages of both continental and island basalts is difficult to determine, primarily because...MORB, (4) Hawaii, (5) Kerguelen, (6) Samoa, (7) Madeira, (8) Azores. 143 Nd ------------144 Nd 0.5133...basalts; (IAT) island arc tholeiites; (MORB) mid-ocean ridge basalts; (OIT) oceanic island tholeiites; (OIA) |  | Li, Wei, Krastel, Sebastian, Alves, Tiago M., Urlaub, Morelia, Mehringer, Lisa, Schürer, Anke, Feldens, Peter, Gross, Felix, Stevenson, Christopher J., Wynn, Russell B. (2018) The Agadir Slide offshore NW Africa: Morphology, emplacement dynamics, and potential contribution to the Moroccan Turbidite System. Earth and Planetary Science Letters, 498. 436-449 doi:10.1016/j.epsl.2018.07.005 | Journal (article/letter/editorial) | | African continental margin (e.g., Canary Islands, Madeira Island, High Atlas Range, and Anti-Atlas Range). The...Seine Abyssal Plain, the Agadir Basin, and the Madeira Abyssal Plain. The yellow dashed lines indicate...500 km from the head of the Agadir Canyon to the Madeira Abyssal Plain (Fig. 1), and it has hosted some...Seine Abyssal Plain, the Agadir Basin, and the Madeira Abyssal Plain (Wynn et al., 2002; Fig. 1). Previous...flows sourced from either the Canary Islands or Madeira (Hunt et al., 2013b), and (3) carbonate-rich flows |  | | Journal (article/letter/editorial) | | tholeiite melts account for about 25%. Among ocean-island volcanic rocks, differentiated varieties clearly...center of intraplate magmatism (archipelago or island chain) demonstrates local heterogeneities. The...variations in ocean-floor tholeiites and oceanic-island alkali basalts could not be caused by any variations...LREE/HREE, and Zr/Nb. The mantle sources of ocean-island alkaline magmatism are, by contrast, enriched in...Atlantic Ocean (Iceland, Faeroe Islands, Jan Mayen Island). The province is characterized by the predominance |
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Madeira Island, Madeira, Portugal