 | | Journal (article/letter/editorial) |
| com/loi/tigr20 Should a Nephelinitic SeriesāBearing Oceanic Island Be Drilled for Carbonatites, Kimberlites, and Ultrapotassic...(2004) Should a Nephelinitic SeriesāBearing Oceanic Island Be Drilled for Carbonatites, Kimberlites, and Ultrapotassic... Should a Nephelinitic SeriesāBearing Oceanic Island Be Drilled for Carbonatites, Kimberlites, and Ultrapotassic...Carbonatites are known in the oceanic islands of the Cape Verde and Canary archipelagos near the continental...Africa. Such rocks are proposed to exist in oceanic islands far from the continents, like Hawaii, based on |
 | | 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...sources was established most convincingly for ocean islands and mid-ocean ridge basalts [5]. Hast [1] was 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 |
 | | Journal (article/letter/editorial) |
| AbstractāStatistical study of volcanic rocks from oceanic islands and seamounts in the Atlantic Ocean based on approximately...seafloor tholeiites and alkaline basalts of oceanic islands. Recently obtained factual materials on the petrology...isotopic geochemistry of basalts from oceanic islands and seamounts made it possible to geochemically...geochemical specifics of potassic rocks from oceanic islands and seamounts with reference to the Atlantic Ocean...30000 volcanic and plutonic rocks from oceanic islands and seamounts. The data were compiled from 400 |
 | | Book |
| and genesis, in some oceanic islands is typified by the Canary Islands case. It is important to note...known in the world are located in the Canary and Cape Verde Is., at this northwestern African Plate. The...Clinopyroxene ................................... 7.5 Phlogopite with mol Na20+K20>AI203 ............ 7.6 Glasses...207 207 208 208 XVIII Contents 7 The Canary Islands: Thctonics, Magmatism and Geodynamic Framework...Evolution of the Canary Islands Area... . . ... 3 The Crust Under the Canary Islands Region ............ |
 | | Journal (article/letter/editorial) |
| phaseequilibria ll(2) 121-131 Aegean Islands see also Greek Aegean Islands heat flow 33( l-3) 3-30 Aegean Sea...mineralogy 12(2) 109-114 Africa see also Cape Verde Islands; Central Africa; East Africa; Madagascar;...petrology 22( I) 13-23 Alaska geochemistry Aleutian Islands 33( l-3) 169-188 Brooks Range 35( l-2) l-25 structural...olivine basalt geochemistry 27(I) 43-57 Aleutian Islands France 12(2) I IS-132 Iceland 5(4) 365-386 India...geochemistry 37(2-3) 181-197 amber mica see phlogopite Ambittle Island geochemistry 12(3) 173-186 amphibole |
 | | Book (edition) |
| began a detailed geological survey of the AlnĆ© Island complex and announced his results in a series of...recognition of the carbonatitic nature of the Chilwa Island, Nyasaland, occurrence (Dixey et al., 1937), Larsen...als eine Bildung analog den Pegmatiten.ā Chilwa Island in Lake Chilwa, Nyasaland, was first examined geologically...p. 2) Dixey is quoted: āThe limestone of Chilwa Island is not a flat-lying sedimentary formation but a...GEOLOGY OF CARBONATITES Figure 1-2 View of Chilwa Island, Nyasaland;showing flat-topped, peneplained carbonatite |
 | | Journal (volume) |
| B. Van H outen, Princeton, USA; R. T. Watkins, Cape Town, South Africa; J. A. Weir, St Andrews, Scotland;...McC/ory Department of Chemistry, University of Rhode Island 02887, U.S.A. A detailed isotopic analysis of...developed around 900 to 600 Ma, through closure of island-arc and associated volcanisrn and sedimentation...and is flanked to the west by the Tilemsi palaeo-island arc. The batholith comprises several successive...underlain by a heterogeneous accu111ulation of island-arc and ocean floor calc-alkaline to tholeiitic |
 | | Book (volume) |
| Battle of, 1995 USE Yingxiong Islands (China), Battle Yingxiong Islands (China) USE and Washington...people) USE Yaka (African people) (China) Taipa Island (China) I-liu District UF laido Gilbertese...1955 Interstate 65 1-66 (Va. 1-71 Yingxiong Islands (China) Interstate 64 1-65 USE USE I-Ta-Wah...plane) lakiag, USE Cape (Alaska Cape) Yakataga, Cape (Alaska : UF Cape) lalysos (Ancient city)...(Brazil) USE Reserva Ecoldgica do IBGE Itbayat Island (Philippines) UF Rio Ibias (Spain) Spain Ibias |
