 | | Journal (article/letter/editorial) | | in a Nepheline-Syenite Inclusion From Tenerife, Canary Islands A.K. F e r g u s o n Department of Geology...inclusion found in an ignimbritic sequence f r o m Tenerife has revealed a variety of minerals which indicate...(aegirine-augite to titanian-aegirine), F-rich arfvedsonite, ramsayite, nepheline, pyrophanite, apatite...lavas. Introduction Syenitic inclusions f r o m Tenerife have been observed by m a n y workers (Jbr~mine...volcanology, geology and petrology of lavas on Tenerife has been published by Ffister etal. (1968). The |  | | 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...late Quaternary phonolitic pyroclastic series o f Tenerife provides an unusual o p p o r t u n i t y to c... The petrography of the silica-undersaturated Tenerife volcanic rocks is summarised in Table Geologic |  | | Journal (article/letter/editorial) | | (sometimes also sodalite), alkali feldspars, arfvedsonite, aegirine and eudialyte, but the most highly...minerals of agpaitic rocks, such as sodalite, arfvedsonite and eudialyte, have been known for almost 200...Kogarko and coworkers (1977 and later); the Poqos de Caldas Project: Natural Analogues of Processes in...the other contains the agpaitic assemblage: arfvedsonite, aegirine and eudialyte. This is an indication...syenites or the llfmaussaq type, characterized by F-arfvedsonite, eudialyte, steenstrupine, etc.; three groups |  | | Journal (article/letter/editorial) | | analysed undersaturated volcanic rocks from Tenerife, Canary Islands; fou~" of which are peralkaline. The objectives...7 Albite Nepheline Aegirine-augite Aegirine Arfvedsonite Eudialyte Sphene Apatite Other 24.9 (Ne~sK%sQz...and arfvedsonite was controlled by the crystallization of the nepheline and feldspar° Arfvedsonite contains...texture. In some sections aegirine has altered to arfvedsonite which, in turn, contains inclusions of sphene...and the Teide and Viejo volcanoes in Tenerife in the Canary Islands and obtained through the courtesy of |  | | Journal (article/letter/editorial) | | pyroxenes from the alkaline volcanic rocks of Tenerife, Canary Islands P. W. SCOTT Department of Geology, the...HU6 7RX SUMMARY.The alkaline volcanic rocks of Tenerife comprise a compositionallycontinuous series of...similar to pyroxenes in some plutonic xenoliths from Tenerife. During the formation of the 'green cores' conditions...fugacity. THE alkaline volcanic rocks of Tenerife, Canary Islands, belong to the alkali-basalttrachyte-phonolite...onolite suite characteristic of many Atlantic Islands. They constitute a very undersaturated compositionally |  | | Report (issue) | | 36 0.19 (1) Kola Peninsula, Russia. (2) Tenerife, Canary Islands; by electron microprobe, total Fe as Fe2...microcline, aegirine, rare-earth-bearing apatite, arfvedsonite, perovskite, ilmenite, eudialite–eucolite, titanite...Kangerdlugssuaq Fjord, eastern Greenland. On Tenerife, Canary Islands. In the Schryburt Lake carbonatite, Ontario...Minas Gerais, Brazil. On Boa Vista, Cape Verde Islands. Name: From the Russian name for the Lapps, Lopar...in a nepheline-syenite inclusion from Tenerife, Canary Islands. Contr. Mineral. Petrol., 66, 15–20. All |  | | Report (issue) | | Narss^arssuk, Greenland; traces of V, Sc, Mn. (2) Tenerife, Canary Islands; by electron microprobe. (3) Na 2 Ti 2...Association: Aegirine, nepheline, microcline, arfvedsonite, elpidite, loparite, eudialyte, astrophyllite...Cove, Hot Spring Co., Arkansas, USA. On Tenerife, Canary Islands. Name: After Johannes Theodor Lorenzen...in a nepheline-syenite inclusion from Tenerife, Canary Islands. Contr. Mineral. Petrol., 66, 15{20. (5) |  | | Journal (article/letter/editorial) | | rimmed to sodic fer rohedenbergite, fayalite, arfvedsonite, plagioclase and alkali feldspar. Groundmass...to aegirinaugite, ferroaugite, aegirinaugite, arfvedsonite, plagioclase, aenigmatite and titanomagnetite...ferrohedenbergite and aegirinaugite and crystallization of arfvedsonite, albite, alkali feldspar and aenigmatite may...and to received December (M. S.) has cally province area, sediments of belt eastern Late acid...ferroheden 70 Makoto Sawai and bergite, arfvedsonite and aenigmatite and aegirineaugite is given |  | | 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...a typical glass-bearing interstitial patch in Tenerife nepheline syenite sample SX3. Mn-ilmenite, white;...to Wolff (1987) for a full description of six Tenerife nepheline-syenites, including the sample discussed |  | | 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 |  | | Journal (article/letter/editorial) | | the plinian deposits of Agua de Pau volcano (Sao Miguel, Azores Islands) F. RIDOLFI1, A. RENZULLI1,*...plinian fall deposits of Agua de Pau volcano (São Miguel, Azores Islands) are divisible into (1) silica-undersaturated...they have compositions reflecting those of the Agua de Pau trachyte magmas. The syenites are inferred to...petrology, eudialyte, laÊ venite, REE-rich minerals, Agua de Pau, São Miguel, Azores. Introduction T HE Azores...Wilson, 1976). São Miguel is one of the eastern islands and is located along the Terceira Rift (Fig. 1a) |  | | Journal (article/letter/editorial) | | London, S.W.7 2BP, England Department de G6ologie, Universit6 de Montr6al, Montr6al, 101, Canada Abstract...Abstract. Four volcanoes form Terceira, one of the islands of the Azores group; three contain both basaltic...The island of Terceira is one of nine volcanic islands of the Azores archipelago, which trend obliquely...Ridge (Fig. 1 inset). Within this group the islands Santa Maria, Pico and Sgo Jorge are predominantly...basalt or alkali picritic basalt, while the other islands range from picrite-alkali basalt-hawaiite-mugearite |  | | Journal (article/letter/editorial) | | Vdstmanland, danalite, 627 Inverness-shire Skye, arfvedsonite, ferrorichterite, 89I Portree, Skye, tacharanite...Montboissier, Puy-de-Dome, basalt, ultrabasic xenoliths, r53 Mont Dore, Puy-de-Dome, zircon, 79o Plan de la Tour...Tour, Maures, Var, zircon, 79o Puy Beaunit, Puy-de-Dome, basalt, ultrabasic xenoliths-, 153 A berdeenshire...clinopyroxene, titanomagnetite, leucite, rh6nite, 817 Volcan de Zaniere, Haute Loire, basalt, ultrabasic xenoliths...argentian mercurian tetrahedrite, 233 Spain (Espafia) Tenerife, Canary Islands, sahlite, aegirine, 8o5 Genthelvite |  | | Journal (article/letter/editorial) | | b a Departamento de Geologia , Universidade Federal de Pernambuco, Centro de Tecnologia e Geociênicas...GUIMARĀES, Departamento de Geologia, Universidade Federal de Pernambuco, Centro de Tecnologia e Geociênicas...plate occurred at 620 Ma within the Borborema Province, the plate probably dipping toward the SE, within...distribution of shoshonitic magmatism in the Borborema Province; the magmatism is confined to the edges of tectonic...end of a compressive regime within the Borborema Province. Petrography Serra do Livramento pluton The SLP |  | | Journal (article/letter/editorial) | | B is resorbed and altered to albite. (2) Mg-arfvedsonite is only found interstitially in the intermediate...F-values only guiding) 11 : Mg-arfvedsonite, sheet A (same) 12: Mg-arfvedsonite, sheet B (same) Corrected...A1203, FeO (total) and TiO2 towards the ideal Mg-arfvedsonite. To the author's knowledge these are the most...sodalite in a nepheline syenite inclusion from Tenerife. Separation of NaC1 under conditions of increasing...increasing amounts of Fe z+ - N A T and coexist with arfvedsonite and aenigmatite in f o ; buffered late magmatic |  | Donoghue, E., Troll, V. R., Harris, C. (2010) Fluid-Rock Interaction in the Miocene, Post-Caldera, Tejeda Intrusive Complex, Gran Canaria (Canary Islands): Insights from Mineralogy, and O- and H-Isotope Geochemistry. Journal of Petrology, 51 (10) 2149-2176 doi:10.1093/petrology/egq052 | Journal (article/letter/editorial) | | Post-Caldera, Tejeda Intrusive Complex, Gran Canaria (Canary Islands): Insights from Mineralogy, and O- and H-Isotope...T I NG The Canary Archipelago is a NE^SW-trending alignment of seven volcanic ocean islands located 100^700...Canaria (28800’N, 15835’W), one of the central islands of the archipelago, comprises a Miocene basaltic...& Taylor, 1986; Larson & Taylor, 1986a). In the Canary Archipelago, hydrothermal and metamorphic processes...reported for the intrusive rocks of Fuerteventura, Tenerife, La Gomera, and La Palma (e.g. Javoy et al., 1986; |  | | Journal (article/letter/editorial) | | as a Long-Term Record of Magmatic Activity in Agua de Pao Volcano, Sao Miguel, Azores by E. WIDOM 1 *,...Board of Earth Sciences, University of California Santa Cruz, California 95064 2 GEOMAR, Christian-Albrechts-Universitat...the Fogo A and Fogo C trachyte eruptions of Agua de Pao volcano, Sao Miguel, Azores, represent bulk liquid...suggesting that trachytic magmatism has occurred in Agua de Pao volcano for > 200 ka. The youngest nodules are...& Druitt, 1988; Tait, 1988; Beard & Borgia, 1989; De Silva, 1989; Fichaut et al., 1989; Tait et al., 1989; |  | | Journal (article/letter/editorial) | | (A. M.), Plumbian tennantite from Sark, Channel Islands, 59 BLASl (A.), Calculation of T-site occupancies...trends of pyroxenes from the alkaline rocks of Tenerife, Canary lslands, by P. W. Scott, 553 Ferric alkali...Springs, Arkansas, quartz, 3oi Humboldt mine, Santa Cruz County, Arizona, luetheite, chenevixite, 27 HUNTINGDON...westerveldite, 77 llimaussaq, Greenland, willemite, arfvedsonite, chkalovite, neptunite, naujakasite, natrolite... hydrogrossular, grossular, diopside, 233 Mendez de Pimental, Brazil, quartz, 3oi Mendips, Somerset, |  | | Book | | Professor Dr. R. T. LUBALA Laboratoire de Petrologie Universite de Lubumbashi, B. P. 1825 Lubumbashi - Zaire...individual chapters: i) the carbonatitic-alkaline province outcropping on the Kenya-Uganda border which have...Petrogenesis of the volcanic rocks of the Karoo Province edited by ERLANK (1984). In addition, a review...review paper related to this volcanic province appeared in the book devoted to the Flood Basalts Provinces...same applies to the Oceanic volcanism (except the Canary Is.). The book is subdivided into four parts centring |  | | Report (issue) | | aegirine, lamprophyllite, lorenzenite, murmanite, arfvedsonite, sodalite, aenigmatite, rinkite, lº avenite...Saint-Hilaire and near Saint-Amable, Quebec. From Tenerife, Canary Islands. Name: From the Greek for easily and |  | | Journal (article/letter/editorial) | | from undersaturated lavas of Las Canadas Volcano, Tenerife (Scott 1970, cited by Flower 1974), from a shonkinite...and recent basalts f r o m the North Atlantic province° [n contrast the lower part of the ash series...rocks in the Permian Oslo rift and the Nandewar province (Abbott 1969). The caicic pyroxenes are characterized...analyses of k~tergrown titanaegirine and magnesio-arfvedsonite. Ac+dd / SiO= TiO 2 AlsO s FeO MnO MgO CaO...aegirineat, gite and sphene and (2) magnesian-arfvedsonite intergrown with titan-aegirine (Table .6). Most |  | | Journal (article/letter/editorial) | | Canaria ignimbrite (silica-oversaturated) and Tenerife lavas (silica-undersaturated) show strong enrichment...in tf (approaching 25 mole percent), those from Tenerife also showing significant contents oftx (up to...Frisch, in preparation), the Las Canadas lavas of Tenerife (Scott, l9Z0), and the nepheline-syenites of ...saturatedaqueoussolution of titanyl sulfate (Riedel de Ha€n analytical grade) by addition of 25 percent...n the groundmass,rather than as a (and in the Tenerife aegirines,tx), may ment in tf reaction product |  | | Journal (article/letter/editorial) | | Sinai, anal., 13 Aegirine, Nigeria, anal., 595; Tenerife, anal., opt., 805; Greenland, anal., 737 Aenigmatite...Centre 111 Complex, clinopyroxene, biotite, 335 Arfvedsonite, Skye, anal., opt., 89i ASARI (T.), anals, by...Queenslaaad, 853 CARSWELL (D. A.), see JAVAWARDENA(D. E. de S.), 54I Cassagna mine, Liguria, Italy, volborthite...heulandite, 5oi DAVIS (G. R.), see ANGUS(J. G.), 481 DE SOUZA(J. V.), see BRINDLEY(G. W.), I41 Diaspore,...JANARDHANAN(A. S.), see LEAKE(B. E.), 525 JAYAWARDENA (D. E. de S.) and CARSWELL Lacollange, Massif Central, France |  | | Journal (article/letter/editorial) | | (Le Maitre, 1963) and Saint Helena (Baker, 1969) Islands and Kerguelen Archipelago (Edwards, 1938b) and...and Saint Helena Islands The petrology and geochemistry of Gough and Saint Helena Islands have been studied...(1969) respectively. The trachytic rocks from these islands are remarkably similar in their mineralogy; both...showing zoning from a richterite to a titaniumrich arfvedsonite (Table 1, Anals. t 2 and 13). Rarely the amphibole...hornblende~Tinguaite, Ethiopia (BM 1922, 240(26)) 18. Arfvedsonite | 19. Ramsayite j Tmguaite, Abyssinia (Ethiopia) |  | | Journal (article/letter/editorial) | | oldest of the ring-complexes in the Younger Granite province of Nigeria. Analyses of borehole samples from...fluid and the granite. Co-existing riebeckitic-arfvedsonite and aegirine pairs from borehole samples show...TiO~ a NG.1 Am.1 Analyses o f riebeckitic-arfvedsonite (wt.%) TABLE III O t~ 303 T A B L E IV A...n e r a l s Sample Rock 618 O Riebeckite-arfvedsonite Aegirine 818 O 4.92 4.39 4.47 4.48 -4.68 --5...peralkaline riebeckite-granites of the Younger Granite province could be produced at temperatures near 750°C b |
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