 | | Report (issue) | | 0475(13) X-ray Powder Pattern: Fernando de Noronha Island, Pernambuco, Brazil. 2.637 (100), 2.172 (90), 3...0.0021 0.39 0.01 96.49 (1) Fernando de Noronha Island, Pernambuco, Brazil; average of 25 electron microprobe...trioctahedral. Occurrence: Interstitial in an olivine nephelinite volcanic rock. Association: Olivine, clinopyroxene...feldspar. Distribution: From Fernando de Noronha Island, Pernambuco, Brazil and from the Hyblean Plateau...a new species of mica from Fernando de Noronha Island, Pernambuco, Brazil: occurrence and crystal structure |  | Kogarko, L. N., Uvarova, Y. A., Sokolova, E., Hawthorne, F. C., Ottolini, L., Grice, J. D. (2005) OXYKINOSHITALITE, A NEW SPECIES OF MICA FROM FERNANDO DE NORONHA ISLAND, PERNAMBUCO, BRAZIL: OCCURRENCE AND CRYSTAL STRUCTURE. The Canadian Mineralogist, 43 (5) 1501-1510 doi:10.2113/gscanmin.43.5.1501 | Journal (article/letter/editorial) | | A NEW SPECIES OF MICA FROM FERNANDO DE NORONHA ISLAND, PERNAMBUCO, BRAZIL: OCCURRENCE AND CRYSTAL STRUCTURE...mica from Fernando de Noronha Island, Pernambuco, Brazil; it is found in an olivine nephelinite with olivine...analogue of kinoshitalite occurs in olivine nephelinite and is associated with olivine, clinopyroxene...crystal-structure refinement, oxygenian mica, Fernando de Noronha Island, Brazil. § E-mail address: elena_sokolova@umanitoba...l’oxykinoshitalite, de composition idéale Ba (Mg2 Ti4+) (Si2 Al2) O10 O2, une nouvelle espèce de mica provenant de l’île |  | | Journal (article/letter/editorial) | | characterization of oxykinoshitalite in an olivine nephelinite from the Hyblean Plateau (Sicily, Italy) FABIO...Abstract: A Ba-Ti rich oxymica occurs in an olivine nephelinite from S. Demetrio High in the northern margin...the type material from the Fernando de Noronha island (Pernambuco, Brazil). Structural formula of the...crystallization stage of a basaltoid magma with ocean island basalt (OIB) affinity. Most likely, the magma originated...crustal basement. Key-words: oxykinoshitalite, nephelinite, Raman, SIMS, Hyblean Plateau, Sicily. 1. Introduction |  | | Journal (article/letter/editorial) | | the Hot Spot of the Southwestern Atlantic: Fernando de Noronha Islands Academician of the RAS L. N. Kogarko...alkaline magmatism in the hot spot of the Fernando de Noronha Islands have been obtained. For the first... The Fernando de Noronha Archipelago is situated 345 km away from the Atlantic coast of Brazil and is...confined to a transform fracture zone. The Fernando de Noronha lineament is traced far to the west by the...subdivision of volcanic rocks in the Fernando de Noronha Archipelago was proposed by Almeida [1] who recognized |  | | Journal (article/letter/editorial) | | Oxykinoshitalite . Hydrothermal . Parageneses . Nephelinite . Middle Atlas . Morocco Introduction Barium-...and paragenesis. Laboratoire de Géosciences Appliquées à l’Ingénierie de l’Aménagement, Faculté des Sciences...sample description CNRS, Institut des Sciences de la Terre de Paris (iSTeP), Sorbonne Universités, UPMC Univ...analytical methods Sampling and specimen preparation Nephelinite samples each weighing 5 kg or more were collected...Mica crystals constitute up to 2 modal % of nephelinite. They are well-developed euhedral to subhedral |  | | Journal (article/letter/editorial) | | Oligocene-Miocene alpine cleft veins near Cleuson, Val de Nendaz, Valais. The following minerals are also found...NEW MINERAL NAMES mica from Fernando de Noronha Island, Pernambuco, Brazil: occurrence and crystal structure...Ba(Mg3)(Si2Al2)O10(OH)2. Oxykinoshitalite occurs in an olivine nephelinite with olivine, clinopyroxene, Fe–Ti oxide, nepheline...K-rich feldspar on Fernando de Noronha Island, Pernambuco, Brazil. This olivine nephelinite belongs to the...dominated by nepheline basalt flows with minor nephelinite dykes, tuffs, and breccias. The mineral is named |  | | Journal (article/letter/editorial) | | tholeiite melts account for about 25%. Among ocean-island volcanic rocks, differentiated varieties clearly...each large center of intraplate magmatism (archipelago or island chain) demonstrates local heterogeneities...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 |  | | Journal (article/letter/editorial) | | ALKALINE MAFIC-ULTRAMAFIC MASSIF, SOUTHEASTERN BRAZIL: INDICATION OF AN ENRICHED MANTLE SOURCE Rogério...Instituto de Geociências, University of São Paulo, Rua do Lago, 562 - 05508-080 São Paulo, Brazil Abstract...alkaline mafic-ultramafic massif in southeastern Brazil. The unusual mineralogical assemblage includes...mantle enrichment, Ponte Nova alkaline complex, Brazil. Sommaire Nous documentons les attributs des minéraux...gabbros du complexe alcalin mafique-ultramafique de Ponte Nova, dans le sud-est du Brésil. L’assemblage |  | | Journal (article/letter/editorial) | | similar to the EMI component of the source of ocean island basalts [15, 16]. In contrast, in terms of Pb isoto...rocks is similar to the EM2 component of ocean island basalts and the DUPAL anomaly. Such diversity in...slope of the Kazimiro crater; 4 (11530), Gzinga Island, Lake Edward; 5 (11642), eastern slope of the Visoke...rift system, midocean ridge basalts (MORB), ocean island basalts (OIB), and various model mantle reservoirs...“Isotopic Disequilibrium in Clinopyroxenes from Nephelinite Lavas from Napak Volcano, Eastern Uganda,” Geology |  | | Journal (issue) | | 10566-2088. the Toroku tin-arsenic mine on Kyushu Island, Japan, and used by the Toshiba Company for ampoule...career exploits was resident chemist on the guano island of Sombrero, a tiny 95 acre rock that lies in the...miles east of St. Thomas (Virgin Islands). The island was about one mile long and a quarter as wide,...observations during his four years on the tiny island. It was remarked "only a student of nature would...use. care and decay of many rock types. His pie e de resistanc' was a lengthy series of articles published |  | | Journal (article/letter/editorial) | | was described as a new species from olivine nephelinite composed of olivine, clinopyroxene, Warchulski...a new species of mica from Fernando de Noronha island, Pernambuco, Brazil: occurrence and crystal structure...Mineral 43:1501–1510 Kucha H, Martens A, Ottenburgs R, De Vos W, Viaene W (1996) Primary minerals of Zn-Pb |  | | Journal (article/letter/editorial) | | N isotopic data recorded from carbonatites from Brazil, Canada, and Russia indicate derivation from primitive...defined on the basis of isotopic data from oceanic island basalts (OIBs; Zindler and Hart 1986; Hart 1988;...presence of HIMU and EM1 signatures in both oceanic island basalts (OIBs), and in many carbonatites would...mantle sources, similar to those found in oceanic island basalts (HIMU and EMI). The data from Oldoinyo...phenocrysts (open triangles) from Napak, a single nephelinite-carbonatite volcanic centre (Simonetti and Bell |  | | 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...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...evolved nephelinites includes compositions from nephelinite to phonolite. FeO* as total iron expressed in |  | 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...Mata : J. Munhá Faculdade de Ciências da Universidade de Lisboa, Departamento de Geologia (GeoFCUL), Campo...Mata : J. Munhá : R. Caldeira Centro de Geologia da Universidade de Lisboa (CeGUL), Campo Grande, C6, 1749-016 |  | | Journal (article/letter/editorial) | | Barium phlogopite from the Jacupiranga carbonatite, Brazil. Am Mineral 67:997–1000 Gnos E, Armbruster T (2000)...a new species of mica from Fernando de Noronha island, Pernambuco, Brazil: occurrence and crystal structure...characterization of oxykinoshitalite in an olivine nephelinite from the Hyblean Plateau (Sicily, Italy). Eur...Kampf H (1994) Ba-enrichment in phlogopite of a nephelinite from Bohemia. Eur J Mineral 6:497–502 Shaw CS...megacrystic garnet websterite pod from Bardane on the island of Fjørtoft, western Norway: evidence for diamond |  | 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) | | natrocarbonatite, demonstrating an evolution from nephelinite to natrocarbonatite through Ca-rich carbonatite...Silicate melt Carbonatite Natrocarbonatite Nephelinite Kerimasi Tanzania Introduction Carbonatite...inclusions show that during evolution of carbonated nephelinite magma, its composition reaches the immiscibility...genetic relation. Evolution of the carbonated nephelinite melt (e.g., open red diamond) could lead up natrocarbonatite...2009) and experimental results (on carbonated nephelinite; Kjarsgaard 1998) are shown for comparison. For |  | | Journal (article/letter/editorial) | | 1955); Point rocks in New Mexico; and Arah, Texas (De Mark, 1984; Smith, 1991). In the territory of the...consists of alkali picrite, melanephelinite, nephelinite, phonolite, and tephrite (lavas, lava brec cias...melilitite, olivine melanephelinite, basanite, nephelinite, phonolite, and carbonatite are regarded as typical...Contrib. Mineral. Petrol., 1998, vol. 131, pp. 123–135. De Mark, R.S., Minerals of Point Rocks, New Mexico,...7, pp. 337– 436. Girod, M., Le massif volcanique de L’Atakor (Ahaggar, Sahara Alge’rien), in Mem. C.R |  | | Journal (article/letter/editorial) | | et al., 2005) for volcanic rocks from the Kurile island arc. Position of the Melts in the Family of High-K...and P. J. Wyllie, “Liquid Immiscibility in a Nephelinite–Carbonate System at 25 Kbar and Implications...Kjarsgaard, “Phase Relations of a Carbonated High-CaO Nephelinite at 0.2 and 0.5 GPa,” J. Petrol. 39, 2061–2075...Metasomatism of the Oceanic Mantle beneath Fernando de Noronha Island, Brazil,” Contrib. Mineral. Petrol. 140,...P. J. Wyllie, “Liquid Immiscibility between Nephelinite and Carbonatite from 1.0 to 2.5 GPa Compared |  | | Journal (article/letter/editorial) | | Laboratoire de Planétologie et Géodynamique de Nantes (LPGN) UMR CNRS 6112, Université de Nantes, Nantes...Universités, 2 rue de la Houssinière, 44322 Nantes, France 2 Institut des Sciences de la Terre D’Orléans...Université d’Orléans, Campus Géosciences, 1A rue de la Férolerie, 45071 Orléans Cedex 2, France 3 School...2009; Oppenheimer et al. 2011; Mormone et al. 2011; De Moor et al. 2013). Even subordinate concentration...represent natural compositions (andesite to nephelinite) while others were synthesized in the Na2O-CaO-Al2O3-SiO2 |  | | Journal (article/letter/editorial) | | Ti-enriched mica known only from an olivine nephelinite (Kogarko et al., 2005). Ferrokinoshitalite (4...carbonatite complex, Brazil. American Mineralogist, 81, 913 927. Brod, J.A., Gaspar, J.C., de Araújo, D.P....395, 101 107 (in Russian). Bucher, H., Fazis, Y., de Capitani, Chr. and Grapes, R. (2005) Blueschists...Oxykinoshitalite, a new mica from Fernando-de-Noronha island, Pernambuco, Brazil: Occurrence and crystal structure...(1997) The Volta Grande pegmatites, Minas Gerais, Brazil: an example of rare-element granitic pegmatites |  | 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) | | Sciences, Sopron, Hungary g Instituto Andaluz de Ciencias de la Tierra, CSIC & UGR, Armilla (Granada), Spain...conducted experiments in the 403 nephelinite-dolomite-Na2CO3 and nephelinite-calcite systems and proposed...average trace element composition of the ocean island basalts (Sun and McDonough, 1989) and the trace...metasomatism of the oceanic mantle beneath Fernando de Noronha Island, Brazil. Contributions to Mineralogy and...Wyllie, P.J. (1997). Liquid immiscibility between nephelinite and carbonatite from 1.0 to 2.5 GPa compared |  | | Journal (article/letter/editorial) | | activity is structurally related to graben-faults (De Mulder et al. 1986; Rogers et al. 1992). The Virunga...volcano ages range from 30,000 to 120, 000 years (De Mulder 1985; Rogers et al. 1992, 1998). However,...have proved to be applicable in different cases (De Paolo 1981; Downes 1984; Thompson et al. 1984). Thus...Mitchell and Bell 1976; Pouclet 1973, 1977, 1980; De Mulder 1985; Rogers et al. 1992, 1998; Ebinger and...Uganda, and the Democratic Republic of the Congo (De Mulder et al. 1986; Foley 2011; Rogers et al. 1992) |  | | Journal (article/letter/editorial) | | silica-undersaturated and some are peralkaline. Nephelinite is a fine-grained silica-undersaturated igneous...Metaquartzite Miaskite Monzonite Nepheline syenite Nephelinite Norite Novaculite Okaite Pegmatite Pelite Peridotite...gold-bearing quartz veins in the southern Para State, Brazil (Angelica et al., 1997). Chromium muscovite named...conglomerate-hosted U deposits of the Randtype at Jacobina, Brazil (pers. com. P. Laznicka). Chromium-bearing garnet...Canada, Dore Lake, Australia, Campo Formoso, Bahia-Brazil) (Barnes and Francis, 1995; Leinonen, 1998; Kojonen | | | Journal (article/letter/editorial) | | silica-undersaturated and some are peralkaline. Nephelinite is a fine-grained silica-undersaturated igneous...Metaquartzite Miaskite Monzonite Nepheline syenite Nephelinite Norite Novaculite Okaite Pegmatite Pelite Peridotite...gold-bearing quartz veins in the southern Para State, Brazil (Angelica et al., 1997). Chromium muscovite named...conglomerate-hosted U deposits of the Randtype at Jacobina, Brazil (pers. com. P. Laznicka). Chromium-bearing garnet...Canada, Dore Lake, Australia, Campo Formoso, Bahia-Brazil) (Barnes and Francis, 1995; Leinonen, 1998; Kojonen |  | | Book | | Vandemeulebrouck Institut des Sciences de la Terre Université de Savoie Le Bourget du Lac France Videos...Intraoceanic Arc Volcanoes . . . . . . . . . C.E.J. de Ronde, W.W. Chadwick Jr, R.G. Ditchburn, R.W. Embley.... . . . . R. Mazza, S. Taviani, G. Capelli, A.A. De Benedetti, and G. Giordano Volcanic Lake Sediments...Vandemeulebrouck Laboratoire de Géophysique Interne et Tectonophysique, CNRS, Université de Savoie, Chambéry, France...(Mandeville et al. 2009). In the front is Wizard Island (picture by D.R., August 2010) 2.2 Caldera Lake |
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