 | | Journal (article/letter/editorial) | | metasomatism of the oceanic mantle beneath Fernando de Noronha Island, Brazil Received: 26 January 2000 / Accepted:...xenoliths in a basanitic lava ¯ow from Fernando de Noronha Island (southwest Atlantic). A petrological...Cu-monosul®de, Carich carbonate and dense CO2. The interrelationships between the glass, sul®de and carbonate...inclusions permit speculation that silicate, sul®de, and Ca-rich carbonatite melts were in equilibrium...and wehrlitized peridotite underneath Fernando de Noronha Island. These results support a two-stage model |  | Rivalenti, Giorgio, Zanetti, Alberto, Girardi, Vicente A.V., Mazzucchelli, Maurizio, Tassinari, Colombo C.G., Bertotto, Gustavo W. (2007) The effect of the Fernando de Noronha plume on the mantle lithosphere in north-eastern Brazil. Lithos, 94 (1) 111-131 doi:10.1016/j.lithos.2006.06.012 | Journal (article/letter/editorial) | | effect of the Fernando de Noronha plume on the mantle lithosphere in north-eastern Brazil Giorgio Rivalenti...19, 41100 Modena, Italy Instituto de Geociências, Universidade de São Paulo, Rua do Lago 563, Cidade...Cidade Universitaria 05508-900, São Paulo, Brazil c Dipartimento di Scienze della Terra, Università di Pavia...d CONICET and Facultad de Ciencias Exactas y Naturales, Universidad Nacional de La Pampa, Uruguay 151...in the Cenozoic alkali basalts of north-eastern Brazil have been studied in order to constrain the possible |  | Rivalenti, Giorgio, Mazzucchelli, Maurizio, Girardi, Vicente A.V., Vannucci, Riccardo, Barbieri, M. Adelaide, Zanetti, Alberto, Goldstein, Steve L. (2000) Composition and processes of the mantle lithosphere in northeastern Brazil and Fernando de Noronha: evidence from mantle xenoliths. Contributions to Mineralogy and Petrology, 138 (4) 308-325 doi:10.1007/s004100050565 | Journal (article/letter/editorial) | | mantle lithosphere in northeastern Brazil and Fernando de Noronha: evidence from mantle xenoliths Received:... Northeast Brazil) and the adjacent South Atlantic oceanic island of Fernando de Noronha are studied...geochemistry, and (2) to check the eects of the Fernando de Noronha plume track on the mantle lithosphere. Xenoliths...Instituto de GeocieÃncias, Universidade de SaÄo Paulo, Rua do Lago 562, 05506-900 SaÄo Paulo, Brazil R. Vannucci...responsibility: J. Hoefs Xenoliths from Fernando de Noronha have textural variations similar to those |  | | Journal (article/letter/editorial) | | minéralogique de xénolithes lherzolitiques et harzburgitiques provenant de la partie orientale de l’Antarctique...l’Antarctique, le manteau supérieur de cette région aurait été affecté par une très importante métasomatose carbonatée...zones à granulométrie fine contenant un clinopyroxène de seconde génération, spinelle, olivine, chlorapatite...riche en Fe, et un minéral monoclinique du groupe de la humite. (Traduit par la Rédaction) Mots-clés:... resulted in the transformation to carbonated wehrlite, which led to the formation of second-generation |  | Ashikhmin, D. S., Skublov, S. G., Melnik, A. E., Sirotkin, A. N., Alekseev, V. I. (2018) Geochemistry of Rock-Forming Minerals in Mantle Xenoliths from Basalts of Sverre Volcano, Spitsbergen Archipelago. Geochemistry International, 56 (8) 857-864 doi:10.1134/s0016702918080025 | Journal (article/letter/editorial) | | from Basalts of Sverre Volcano, Spitsbergen Archipelago D. S. Ashikhmina, S. G. Skublova, b, *, A. E...Volcano in the northwestern part of West Spitsbergen Island. Olivine and clinopyroxene are analyzed to trace...xenoliths from alkaline basalts of the Spitsbergen Archipelago (Ionov et al., 857 858 ASHIKHMIN et al. ...“The origins of glass and amphibole in spined–wehrlite xenoliths from Foster Crater, McMurdo volcanic...metasomatism of the oceanic mantle beneath Fernando de Noronha Island, Brasil,” Contrib. Mineral. Petrol. 140 |  | Delpech, G., Grégoire, M., O'Reilly, Suzanne Y., Cottin, J.Y., Moine, B., Michon, G., Giret, A. (2004) Feldspar from carbonate-rich silicate metasomatism in the shallow oceanic mantle under Kerguelen Islands (South Indian Ocean) Lithos, 75 (1) 209-237 doi:10.1016/j.lithos.2003.12.018 | Journal (article/letter/editorial) | | harzburgite into an olivine – clinopyroxenite or a wehrlite and liberating CO2. The percolating carbonate-rich...1999), Samoa (Hauri et al., 1993) and Fernando de Noronha, Brazil (Kogarko et al., 2001). Schiano et al...Ottonello, G., Hamlyn, P.R., 1986. Peridotites from the island of Zabargad (St. John), Red Sea: petrology and...Petrology and geochemistry of the Kerguelen Archipelago basalts (Southern Indian Ocean): evolution of...Lett. 100, 59 – 76. Giret, A., 1993. Les étapes de l’édification des ı̂les Kerguelen, Océan Indien |  | Downes, H., Kostoula, T., Jones, A., Beard, A., Thirlwall, M., Bodinier, J.-L. (2002) Geochemistry and Sr–Nd isotopic compositions of mantle xenoliths from the Monte Vulture carbonatite–melilitite volcano, central southern Italy. Contributions to Mineralogy and Petrology, 144 (1) 78-92 doi:10.1007/s00410-002-0383-4 | Journal (article/letter/editorial) | | Monte Vulture started in Middle Pleistocene times (De Fino et al. 1982; La Volpe and Principe 1991), and...Magmatism of Monte Vulture has also been discussed by De Fino et al. (1986), Caggianelli et al. (1990), Melluso... tk16) and a wehrlite (aj8). Mg#s are high (0.90–0.92) for all samples except wehrlite aj8 (Mg#=0.86)...Lherzolite Wehrlite Harzburgite Lherzolite Lherzolite Lherzolite Harzburgite Lherzolite Wehrlite Harzburgite...analysis (University of London). L Lherzolite, W wehrlite, H harzburgite, b.d.l. below detection limit, |  | ZHANG, R. Y., LI, T., RUMBLE, D., YUI, T-F, LI, L., YANG, J. S., PAN, Y, LIOU, J. G. (2007) Multiple metasomatism in Sulu ultrahigh-P garnet peridotite constrained by petrological and geochemical investigations. Journal of Metamorphic Geology, 25 (2) 149-164 doi:10.1111/j.1525-1314.2006.00683.x | Journal (article/letter/editorial) | | phlogopite-bearing garnet lherzolite, harzburgite, wehrlite and dunite. Some peridotite layers contain magnesite...vol.%), harzburgite (17 vol.%) and subordinate wehrlite and dunite, and were subjected to Triassic (221...size, some grains of >4 mm are out of picture) in wehrlite is replaced by Ol + Ilm at its margins, and diopside...respectively. dun, dunite; lher, lherzolite; wehr, wehrlite; mt-band, metasomatic band; Ti-Chu, Ti-clinohumite;...(3) as a vein mineral (Mgs-2) in harzburgite, wehrlite, dunite and rarely in lherzolite. Megacrystic |  | | Journal (article/letter/editorial) | | from stoichiometry; ** inclusions in olivines. Island (Canary Islands) [1]. The carbonates from melt...harzburgite nodule from Montana Clara Island of the Canary Archipelago (3.1–6.8%) [2]. Most of the analyses...high-Mg olivines from crystalline aggregates of wehrlite and dunite composition. Sometimes, inclusions...metasomatized spinel lherzolite of the Canary archipelago [2], (8) carbonate from microveins in the xenolith...those of wehrlites [25] and subduction-related island-arc oxidized magmas [20], but higher than oxygen |  | Kononova, V. A., Kurat, G., Embey-Isztin, A., Pervov, V. A., Koeberl, C., Brandstätter, F. (2002) Geochemistry of metasomatised spinel peridotite xenoliths from the Dariganga Plateau, South-eastern Mongolia. Mineralogy and Petrology, 75 (1) 1-21 doi:10.1007/s007100200012 | Journal (article/letter/editorial) | | uplifted Dariganga Plateau is outside of this well-de®ned intercontinental rift zone. Below this particular...harzburgite 2237a had a de®cit in olivine and spinel, that of lherzolite 2132 a de®cit in olivine, that...that of lherzolite 2237b a de®cit in spinel and that of lherzolite 2229 had a surplus in clinopyroxenes,...similar to what has been reported from Zabargad Island peridotites (Kurat et al., 1993). All three rocks...from Zabargad Island, but is much smaller than that found in a wehrlite from Zabargad Island (Kurat et al |  | Patkó, Levente, Liptai, Nóra, Aradi, László Előd, Klébesz, Rita, Sendula, Eszter, Bodnar, Robert J., Kovács, István János, Hidas, Károly, Cesare, Bernardo, Novák, Attila, Trásy, Balázs, Szabó, Csaba (2020) Metasomatism-induced wehrlite formation in the upper mantle beneath the Nógrád-Gömör Volcanic Field (Northern Pannonian Basin): Evidence from xenoliths. Geoscience Frontiers, 11 (3) 943-964 doi:10.1016/j.gsf.2019.09.012 | Journal (article/letter/editorial) | | Journal Pre-proof Metasomatism-induced wehrlite formation in the upper mantle beneath the NógrádGömör...A., Trásy, B., Szabó, C., Metasomatism-induced wehrlite formation in the upper mantle beneath the Nógrád-Gömör...reserved. 1 2 3 4 5 6 Metasomatism-induced wehrlite formation in the upper mantle beneath the Nógrád-Gömör...Sciences, Sopron, Hungary g Instituto Andaluz de Ciencias de la Tierra, CSIC & UGR, Armilla (Granada), Spain...*corresponding author: cszabo@elte.hu 25 26 27 Keywords: wehrlite xenoliths; upper mantle metasomatism; mafic silicate |  | | Journal (article/letter/editorial) | | various volcanic rocks at the oceanic island, continental rift, and island arc settings. Most of silicic glasses...secondary clinopyroxene and olivine. In the oceanic island and continental rift settings, almost all silicic...Peridotite xenolith, Mantle metasomatism, Oceanic island, Continental rift, Arc I. は じ め に 上部マントルは，マグマ発生の場として非常に重要で...peridotite; H, hydrous peridotite. OIB, oceanic island basalt; WPA, within−plate alkaline basalt. ものもある...arc: an implication for the metasomatic agent. Island Arc, 12, 233−246. Arai, S. and Kida, M. (2000): |  | | Journal (article/letter/editorial) | | most unusual finding was composite glimmerite-wehrlite xenolith from the crater Kazimiro, which contains...rare volcanic rocks, with occurrences limited to Brazil, China, Italy, Spain and Africa (Stoppa and Schiazza...xenoliths of various compositions: glimmerite, wehrlite, CE dunite and pyroxenite. We have studied samples...phenocryst (~200x400 µm). D The host rock for wehrlite-glimmerite xenolith (11521) is ugandite (11520)...Kazimiro xenoliths are of composite glimmerite-wehrlite lithology from ugandite. Structural NU The pyroxenite |  | Guzmics, Tibor, Mitchell, Roger H., Szabó, Csaba, Berkesi, Márta, Milke, Ralf, Ratter, Kitti (2012) Liquid immiscibility between silicate, carbonate and sulfide melts in melt inclusions hosted in co-precipitated minerals from Kerimasi volcano (Tanzania): evolution of carbonated nephelinitic magma. Contributions to Mineralogy and Petrology, 164 (1) 101-122 doi:10.1007/s00410-012-0728-6 | Journal (article/letter/editorial) | | metasomatism of the oceanic mantle beneath Fernando de Noronha Island, Brazil. Contrib Mineral Petrol 140:577–587...melt inclusion study of olivine melilitite and wehrlite xenoliths in tephrite from the Elbe Zone, Germany |  | Konzett, Jürgen, Krenn, Kurt, Rubatto, Daniela, Hauzenberger, Christoph, Stalder, Roland (2014) The formation of saline mantle fluids by open-system crystallization of hydrous silicate-rich vein assemblages – Evidence from fluid inclusions and their host phases in MARID xenoliths from the central Kaapvaal Craton, South Africa. Geochimica et Cosmochimica Acta, 147. 1-25 doi:10.1016/j.gca.2014.10.015 | Journal (article/letter/editorial) | | (1983) K-Ar age of the East peripheral kimberlite at De Beers Mine, Kimberley, R.S.A. Geol. Mag.120, 505-512...metasomatism of the oceanic mantle beneath Fernando de Noronha Island, Brazil. Contrib. Mineral. Petrol. 140, 577587...(1979) Polymict peridotites from the Bultfontein and de Beers mines, Kimberley, South Africa. In Proc. 2nd...(2008) Contrasting types of metasomatism in dunite, wehrlite and websterite xenoliths from Kimberley, South... Inter. 44, 1121-1128. Tomlinson, E.L., De Schrijver, I., De Corte, K., Jones, A.P., Moens, L. and Vanhaecke |  | Su, Bin, Chen, Yi, Guo, Shun, Chu, Zhu-Yin, Liu, Jing-Bo, Gao, Yi-Jie (2016) Carbonatitic metasomatism in orogenic dunites from Lijiatun in the Sulu UHP terrane, eastern China. Lithos, 262. 266-284 doi:10.1016/j.lithos.2016.07.007 | Journal (article/letter/editorial) | | inspect mantle and early IP T magmatic processes (De Hoog et al., 2010; Foley et al., 2013; Sobolev et...decarbonation reaction (3) converts the harzburgite to wehrlite (Scott et al., 2014; Yaxley et al., 1991) or Cpx-bearing...compositions with the Al-in-olivine thermometer of De Hoog et al. (2010). The temperatures calculated at...MANUSCRIPT Cr-in-olivine thermometer (1069–1171 °C) after De Hoog et al. (2010) (Table 3). The P–T estimates above...Earth and Planetary Science Letters 119, 511–525. De Hoog, J.C.M., Gall, L., Cornell, D.H., 2010. Trace-element |  | | Book | | and higher logarithmic units relative to QFM). Island ark andesites and basalts (+3 logarithmic units...oceanic crust and the alkaline rock of oceanic island (+2 logarithmic units relative to QFM) are the...oxidation of the highly alkaline lavas of Trindad Island [22] with the oxygen fugacity exceeding f O2 of... Kogarko above hot spots, e.g., the Azores archipelago in the Atlantic Ocean. According to seismic tomography...Montana Clara Islands (Canary Islands) and Fernando de Noronha (Brazil), we found glasses (in association with |
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