 | | Journal (article/letter/editorial) | | phonolitic lavas with late tongues of peralkaline phonolite glass. Chemically, the lava series is always undersaturated...of the alkalic basalt . (-+ trachyphonolite -+ phonolite -+ trachybasalt -+ trachyandesite -+ trachyte...but including some of phonolite, are abundant in Anaga and Teno, and phonolite plugs intrude the lavas of...of Anaga. As no phonolite lavas have been reported from the Ancient Series it seems probable that this...this minor phase of phonolite intrusion was contemporaneous with later, salic volcanicity in the Vilaflor |  | | Journal (article/letter/editorial) | | in basalts from part of the Nigerian Cenozoic province By J. B. WRm~T Department of Geology, Ahmadu Bello...a few eroded plugs. The Nigerian rocks are regarded as a practically extinct sub-province within a larger...larger Gulf of Guinea alkaline province, dominatecl by the voluminous and still active vulcanicity of the...crystals in a basalt plug within the Nigerian sub-province have rounded edges and more caleic overgrowths...principal features of Nigeria's Cenozoic alkaline province are summarized in fig. 1. The Benue trough is |  | | Journal (article/letter/editorial) | | Williams (1972) has estimated the total volume of phonolite lava in Kenya as 25,000 km3 and suggests that...the total volume of Cainozoie volcanics in the province. Although these figures may be in considerable...that Kenya phonolites exceed the total volume of phonolite lava found elsewhere in the world by several orders...chemically distinct types; one of which he calls phonolite (sensu stricto), the other trachyphonolite. He...recognizes that the more undersaturated type (phonolite s.s.) is entirely restricted to the lower part |  | | Book | | Resources Division Nepheline ā-Syenite and Phonolite HMSO 15s Od Digitized by the Internet Archive...MINERAL RESOURCES DIVISION NephelineSyenite and Phonolite J. B. ALLEN, = fips B.Sc., Ph.D., and CHARSLEY...Research Council Contents Nepheline-Syenite and Phonolite Introduction Chemistry, Mineralogy and Classification...of Nepheline-Syenite and Phonolite Occurrences Nepheline-Syenite and Phonolite in Commonwealth Countries... Australia New Zealand Nepheline-Syenite and Phonolite in Foreign Countries Czechoslovakia Finland France |  | | Book | | ........................................... 206 Peru...................................................numbered rectangle rather than a dot. State, province etc. These are quoted for a number of countries...helped with useful i n formation on the V la co Province ments suggested by my colleague D.R.C. Kempe,...commonly surrounded by hornblende, and a little brown biotite, sphene and opaq ues. The greater number of dykes...monzonite gave 390 Ā± 1 8 Ma and on co-existing biotite 347 Ma (Frisch, 1974, p. 74). Reference Frisch |  | | Journal (article/letter/editorial) | | Geology, Universite de Montreal, Montreal 101, Province Quebec, Canada JACQUES NOUGIER Department of Geology...alkali trachyte (7), nepheline trachyte (T-O), and phonolite (4>); 4 = plutonic body; 5 = Holocene trachyte...adventive cinder cones and basanitic domes, phonolite plugs, trachyte domes, and rhyolite flows. T h e...the R o n a r c h Peninsula, and numerous phonolite plugs are found both here and on the Jeanne D'Arc...within the de C o u r b e t Shield. Phonolite Plugs Small plugs of phonolite occur on the Ronarch Peninsula |  | Gao, Yongfeng, Yang, Zhusen, Hou, Zengqian, Wei, Ruihua, Meng, Xiangjin, Tian, Shihong (2010) Eocene potassic and ultrapotassic volcanism in south Tibet: New constraints on mantle source characteristics and geodynamic processes. Lithos, 117 (1) 20-32 doi:10.1016/j.lithos.2010.02.003 | Journal (article/letter/editorial) | | composed of three rock varieties: tephritic phonolitic plugs and shoshonitic and trachytic lavas. Their geochemical...volcanic ediļ¬ces in this area, whereas tephritic phonolite plugs crop out only nearly Rongnido. Insets: simpliļ¬ed...(Fig. 1). Several leucite-bearing ultrapotassic plugs are also found within the volcanic ediļ¬ce. Although...relations indicate that the isolated ultrapotassic plugs intruded into the shoshonitic lavas and are the...The studied samples mainly cover the lavas and plugs of the Rongnido caldera (Fig. 1). Eighteen fresh |  | | Report (chapter) | | possible linkage with the Deccan Large Igneous Province JYOTI CHANDRA1, DEBAJYOTI PAUL1*, SHRINIVAS G...Abstract: The genetic connection between Large Igneous Province (LIP) and carbonatite is controversial. Here,...interrelationship with the associated Large Igneous Province (LIP) (Ernst & Bell 2010). Although carbonatites...Lanyon 1998; Bell 2001); (III) Maimecha Kotui province (250ā220 Ma) with carbonatites associated with...bodies associated with the Central Iapetus Magmatic Province (615ā 555 Ma) of eastern Laurentia (St-Honore: |  | Gomes, Celso de Barros, Azzone, RogĆ©rio Guitarrari, Rojas, Gaston Eduardo Enrich, Guarino, Vincenza, Ruberti, Excelso (2021) Agpaitic Alkaline Rocks in Southern Brazilian Platform: A Review. Minerals, 11 (9) 934 doi:10.3390/min11090934 | Journal (article/letter/editorial) | | Age (Ma) Agpaitic Bodies Agpaitic Assemblage phonolite stocks late-magmatic lujavrite and khibinite...3 Ma (U-Pb) ring-like nepheline syenite and phonolite bodies late-magmatic [15ā17] 3 Passa Quatro...ring-like and plug-like nepheline syenite and phonolite bodies late-magmatic [18ā20] 4 Bom Repouso...(Ar-Ar) phonolite plugs late-magmatic [21,22] 5 BĆŗzios Island ā78 Ma (Rb-Sr) thin phonolite dikes...thin phonolite dike main to late-magmatic [27,28] 8 Lages 76ā82 Ma (Rb-Sr, K-Ar) phonolite sill |  | | Journal (issue) | | complexes in the Nuba Mountains, South Kordofan Province 36 Distribution of midplate volcanic rocks across...determination on a basalt from near Gedaref, Kassala Province (Grasty, Miller and Mohr, 1963) but the first...1971), and two basalts from Kerma in Northern Province (Berry and Whiteman, 1968; Whiteman, 1971). Six...terrains. In the north-eastern Sudan in Red Sea Province, and exĀ tending northwards into Egy.pt and southwards...Nile provĀ inces and through parts of Equatoria Province and into western Kenya, the Basement is characterised |  | Wiesmaier, S., Troll, V. R., Carracedo, J. C., Ellam, R. M., Bindeman, I., Wolff, J. A. (2012) Bimodality of Lavas in the Teide-Pico Viejo Succession in Tenerife--the Role of Crustal Melting in the Origin of Recent Phonolites. Journal of Petrology, 53 (12) 2465-2495 doi:10.1093/petrology/egs056 | Journal (article/letter/editorial) | | previously thought. crustal melting; anatexis; Teide; phonolite; ocean island evolution; Daly gap KEY WORDS:...different emplacement depths for the respective phonolite magma chambers. However, their interpretation...they also contain trachytic and phonolitic dykes, plugs and lava flows (e.g. Walter et al., 2005; LongpreĀ¤...Viejo edifice and its flank vents began to erupt phonolite, which became the exclusive lava composition in...the last 20 kyr (Carracedo et al., 2007). These phonolite eruptions are two to three orders of magnitude |  | Thompson, R. N., Gibson, S. A., Mitchell, J. G., Dickin, A. P., Leonardos, O. H., Brod, J. A., Greenwood, J. C. (1998) Migrating Cretaceous-Eocene Magmatismin the Serra do Mar Alkaline Province,SE Brazil: Melts from the Deflected Trindade Mantle Plume?. Journal of Petrology, 39 (8) 1493-1526 doi:10.1093/petroj/39.8.1493 | Journal (article/letter/editorial) | | CretaceousāEocene Magmatism in the Serra do Mar Alkaline Province, SE Brazil: Melts from the Deflected Trindade...TYPESCRIPT ACCEPTED MARCH 3, 1998 The Serra do Mar province extends for ~500 km as plutonic complexes, some...alkaline igneous complexes. THE SERRA DO MAR IGNEOUS PROVINCE Nomenclature The Late Cretaceous to Early Tertiary...and 47Ā°W (Fig. 2). They form a distinct igneous province because further west, with the exception of the...Geological sketch map of the Serra do Mar igneous province; simplified from Schobbenhaus et al. (1984). The |  | ORTI, Letizia, MARTINO, Mario, MORELLI, Marco, CIGOLINI, Corrado, PANDELI, Enrico, BUZZIGOLI, Alessandra (2008) Non-impact origin of the crater-like structures in the Gilf Kebir area (Egypt): Implications for the geology of eastern Sahara. Meteoritics & Planetary Science, 43 (10) 1629-1639 doi:10.1111/j.1945-5100.2008.tb00633.x | Journal (article/letter/editorial) | | Gneisses and Migmatites (horneblende- and biotite-paragneisses and biotite-gneisses and migmatites) (Precambrian)...1982; Klitzsch et al. 1987). Trachyte and phonolite plugs and cones are also present in this area (particularly...by subvolcanic intrusives and/or minor igneous plugs and unvented dykes. In some of the studied structures...related to the emplacement of subvolcanic igneous plugs and dykes that did not reach the surface and crystallized |  | | Report (chapter) | | extending from Oman to southern Turkey. The Zagros province was magmatically active from Permian to Dogger...Intra-plate domain Pan African suture. The Tadhak province (Mali), located on a major Panafrican suture along...(Lay & Reichelt 1971). N i g e r - N i g e r i a province. In Northern Niger, the occurrence of volcanic...could indicate some magmatic activity in the Air province at this time (Valsardieu 1971; Downloaded from...MAGMATIC ACTIVITY Forbes 1989). Further south the province of Damagaram Mounio (Niger) includes some ring |  | | Report (volume) | | Outline of the petroIogy of the Kenya rift alkaline province 293 MACDONALD,R. Quaternary peralkaline silicic...petrochemistry of the northern part of the Chilwa alkaline province, Malawi 335 BOWDEN, P., BLACK, R., MARTIN, R...crystallization history of the Velasco alkaline province, eastern Bolivia 403 BARKER, D. S. Tertiary...alkaline magmatism in southern Greenland: the Gardar province 449 LARSEN, L. M. & SORENSEN, H. The Ilimaussaq...alkaline province in Malawi, at the southern end of the rift, is an essentially intrusive province in which |  | | Journal (article/letter/editorial) | | Lammersdorf a railway-cutting reveals a finegra ined biotite granite which has metamorphosed the surrounding... speckled schists, phyllites with andalusite, biotite schists with corundum, etc., also numerous sanidinites...A visit was paid to the Schellkopf, a nosean phonolite with a high alkali content, which makes it of...Siebengebirge, and also many of the trachyte and phonolite plugs in the Eifel and on the Westerwald. A great...especially felspar basalt reached the surface as plugs, while, in the Westerwald, basalt was intruded as |  | | Report (volume) | | the Malani Igneous Suite and Tertiary Alkaline Province of western Rajasthan Dr. S.K. Shushan ā¢ Dr...granites occurring as plutons, ring dykes, bosses and plugs form the second phase. The third phase is intrusive...and textures. The younger magmatic event of the province in Rajasthan is represented by hyperalkaline (Tertiary)................................ GEOLOGY OF THE PROVINCE Granites . . . ....... ...................... .................... Alkaline rocks of the province Carbonatites ......................... . . |  | | Report (issue) | | Erdosh, George, 1979, The Ontario carbonatite province and its phosphate potential: Economic Geology...from the Peru margin during ODP Leg 112, in Proceedings of the Ocean Drilling Program, Peru continental...of the Drilling Vessel JOIDES Resolution, Callao, Peru to Valparaiso, Chile, sites 679-688, 20 October...Phosphorites in the Mantaro Phosphate Field, central Andes, Peru, in Notholt, A.J.G., Sheldon, R.P., and Davidson...deposis of the Hazara Division, North West Frontier Province, Pakistan, in Notholt, A.J.G., Sheldon, R.P., |  | | Book | | RELATIONSHIP OF THE MALAWI CARBONATITEALKALINE PROVINCE AND THE LUPATA-LEBOMBO VOLCANICS 237 A, R. Woolley...Gass 14 THE EVOLUTION OF THE TIBESTI VOLCANIC PROVINCE, EASTERN SAHARA P. M., Vincent : 15 THE STRUCTURAL...concentrations. Such was the study of the Nuanetsi Igneous Province in Rhodesia. The ring complexes there appeared...200. The parent magma of the British Tertiary Province. Summ. Progr. geol. Surv. G.B., Pt. 2 (for 1930)...regions; the Ebolowa-type granites have yielded biotite and zircon Pb/Ā« ages of 2200-2500 m.y. (Lasserre |  | | Book | | this to the volcanoes of the Madeira volcanic province and explain, in some detail, the origin of many...develop later, a vast tholeiitic flood basalt province became active, extending over more than 10 million...This large igneous province (LIP), known as the Central Atlantic Magmatic Province (CAMP), evolved into...volcanism formed a large igneous province, the Central Atlantic Magmatic Province (CAMP). This volcanic region...especially the eastern ones. THE CANARY VOLCANIC PROVINCE 7 35Ā°N CRETACEOUS MAGNETIC QUIET ZONE M0 MADEIRA |  | | Book | | Albite Analcime Ankerite Apatite Augite(titanian) Biotite Calcite Cancrinite Chalcopyrite Feldspar Fletcherite...whichprobably area.Kandeseiis on no mapsand maybe biotite schistsof Swakopage Damaran representsthe discoverydate...Montmorillonite Bindheimite Elyite Johillerite* Mottramite Biotite Enargite Kaolinite Muscovite Bornite Epidote Kasolite...Barysilite Bastnasite Bayldonite Betekhtinite Biotite Bornite Brucite Brushite Cahnite Calcite Carbonatehydroxylapatite...marble or in hydrothermal quartz veins emplaced in biotite-sericite schist of the Karibib Formation. The |  | | Book | | substantial felsic volcanoes erupting trachyte and phonolite magmas. Asa result, large-scale explosive eruptions...involved the emplacement and near collapse of a phonolite cryptodome. Eruption on the flank of the prehistoric...La Graciosa island in the background from the Portillo de Guinate. The lava flows in the foreground are...and thinning southeast is cut by a prominent phonolite plug, Risco Blanco (āwhite cragā; note confirmation...site) is formed by a thick sheet intrusion of phonolite, emplaced right at the end of the Miocene (shield-stage) |  | | Report (issue) | | including, perhaps, places in the Basin and Range province of the United States. Eight minerals or mineral...differentiated granite in northwestern Zhejiang Province, China, near some of that Provinceās large, s...not well known. Fluorine is present primarily in biotite and muscovite in metamorphic rocks, and it tends...fluorine-rich micas (up to 3.3 weight percent fluorine in biotite) (Bose and others, 2005). A few concentrations...Tanzania) 18 Basalt 130 Andesite 77 Andesite 85 Phonolite 14 Phonolite (Eastern Rift, Kenya and Tanzania) 2 Trachyandesite |  | | Report (issue) | | m thick covered the Southern Rocky Mountain province, and the last of a series of Cretaceous seas was...basins. Orogeny began in the southwest part of the province before marine deposition ended in the northeast...last major Laramide uplift unit to appear in the province, began to rise in early Eocene time, but it did...diagonally across major tectonic units of the province. The Colorado mineral belt constitutes an inner...Tertiary time. As will be shown, the mountain province was at or very near sea level at the beginning |  | | Book | | across and, along its southem margin. satellite plugs of pyroxenite, dunite, syenite and nepheline syenite...Formation marbles; in the latter case gamet-pyroxene-biotite-vesuvianite skams have developed adjacent to the...Coarse-grained, gneissose, porphyritic hornblende-biotite granite is the main rock type exposed. Local dioritic...grained phyllitic quartzite, marble and thick biotite-amphibole schist. West of Okahandja, coarse-grained...marble are present (Blaine, 1977). Plutons and plugs of pink to white strongly gneissic granodiorite |
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