 | Dupuy, C., Barsczus, H.G., Dostal, J., Vidal, P., Liotard, J.-M. (1989) Subducted and recycled lithosphere as the mantle source of ocean island basalts from southern Polynesia, central Pacific. Chemical Geology, 77 (1) 1-18 doi:10.1016/0009-2541(89)90010-7 | Journal (article/letter/editorial) | | source of ocean island basalts from southern Polynesia, central Pacific C. DUPUY 1, H.G. BARSCZUS 1'2...F-34060 Montpellier Cddex (France) 2Centre ORSTOM de Tahiti, Papeete (French Polynesia) :~Department of Geology...et UniversitY, F-63018 Clermont-Ferrand Cddex (France) (Received October 13, 1988; revised and accepted...southern Polynesia, central Pacific. Chem. Geol., 77: l-18. The Marquesas, Society and Austral-Cook Islands...the central Pacific Ocean {French Polynesia), are composed mainly of alkali basalts, basanites and tholeiites |  | Schiano, P., Burton, K.W., Dupré, B., Birck, J.-L., Guille, G., Allègre, C.J. (2001) Correlated Os–Pb–Nd–Sr isotopes in the Austral–Cook chain basalts: the nature of mantle components in plume sources. Earth and Planetary Science Letters, 186 (3) 527-537 doi:10.1016/s0012-821x(01)00265-5 | Journal (article/letter/editorial) | | com/locate/epsl Correlated Os^Pb^Nd^Sr isotopes in the Austral^Cook chain basalts: the nature of mantle components...Paris Cedex 05, France b CEA, DAM-LDG, B.P. no. 12, 91680 Bruye©res le Chatel, France c Laboratoire `Magmas...Clermont, 5 rue Kessler, 63038 Clermont-Ferrand Cedex, France d Laboratoire de Gëochimie OMP, UMR-CNRS 5563...5563, 38 rue des 36 ponts, 31400 Toulouse, France e Department of Earth Sciences, The Open University, Walton...measured on a suite of aphyric basalts from 12 islands of the Austral^Cook island archipelago, an area which |  | | Journal (article/letter/editorial) | | a tiulticomponent source for rocks of Cook-Austral Islands and heterogeneities of mantle plumes YOICHI...rocks (alkali basalt, ankaramite, nepheliaite, phonolite, and tmchyte) from the South Cook Islands (Aitutaki...Mangaia) and the Austral Islands (Rimatara and Rurutu). The results show that the Cook-Austral rocks have an...ages and isotopic characteristics of the Cook-Austral rocks indicate that if one mantle plume rises from...study is to provide some constraints for the Cook-Austral magma and to explain the origin of the mantle sources |  | | Journal (article/letter/editorial) | | continental crust and upper mantle inventories. Alkali basaltic magmas from the modelled source are close...Depression most of the volcanic rocks are represented by alkali olivine basalts, nepheline basanites and olivine...quartz tholeiites and the basanitic alkali olivine basalts to form alkali olivine basalts 226 Fig. 1 Coverage...Coverage of Cenozoic basaltic rocks in E France, Germany and CFR. Orogen of the Alps in grey and major...latter containing 46 to 50% SiO2. Some basanitic alkali olivine basalts (45.21.2% SiO2) and nepheline |  | | Journal (article/letter/editorial) | | would be classified as alkali basalt–hawaiite on a conventional 225 alkali–silica plot; see Fig. 2...this plot serves as a robust discriminator between alkali basalts and N-MORBS, as the TiO2 contents of clinopyroxenes.../ Chemical Geology 235 (2006) 222–237 Fig. 2. Alkali–silica classification plot showing that both lower...(N-MORB, filled square) lies well below the alkali basalt– tholeiite dividing line. Data are for unleached...more realistic Rb/Cs = 60 for BSE). An average EM2 basalt pattern, dashed line, is shown for comparison (average |  | | Journal (article/letter/editorial) | | relationships among bassIts from the Hawaiian Islands suggest that these bar&s were derived from three...from such material. In any case, the Hawaiian Islands data, when compared to those of other OIB. serve...individual main shield volcanoes of the Hawaiian Islands follow two parallel curved lines, the Loa or southwestern...almost entirely of tholeiite, although some alkali basalt is produced during the early meld-bring stage...Late-stage or caldera-filling lavas are composed of alkali basalt, hawaiite and trachyte. A period of quiescence |  | | Journal (article/letter/editorial) | | low-potassium tholeiites (from island arcs), calc-alkali basalts and shoshonites (from volcanic arcs) and...close to the deep-ocean trenches. Group 3: Calc-alkali basalts (CAB) are erupted on continental crust...erupted as ocean islands within ocean basins, largely within plates but occasionally as islands on ridge crests...volcanic arc basalts into island arc tholeiites, calc-alkali basalts and shoshonites is however somewhat arbitrary...North Carolina State University on May 21, 2014 basalt magma types defined on a tectonic basis. The many |  | | Book | | org/details/oceanicislandsO00Onunn_z7n0 Oceanic Islands lc The Natural Environment Series Editors: Andrew...processes that operate upon it. Published Oceanic Islands Patrick D. Nunn Forthcoming Rock Slopes Robert...Whalley, B.]. Smith and J.P. McGreevy Oceanic Islands Patrick D. Nunn BLACKWELL UK & Cambridge Ret...Cataloging-in-Publication Data Nunn, Patrick D., 1955— Oceanic Islands/Patrick D. Nunn p. cm—(The natural environment;...0-631-17811-2 ISBN 0-631-18967-x (pbk) (alk. paper) 1. Islands. 2. Island ecology. I. Title. Il. Series GB471 |  | | Book (edition) | | coordinate the GeoRef vocabulary with that of the French GEODE and PASCAL databases (produced by the Bureau...family, were put under granites in 1981; others had alkali granites or granodiorites as the new, autoposted...hierarchies: Hawaii BZ East Pacific Ocean Islands Polynesia United States All three BZ broader terms...comments. GeoRef’s exchange of data with the two French databases, PASCAL and GEODE, continues, to the...included use on level 3 under igneous rocks(1) basalt family(2). BA basalts volcanic rocks BT igneous |  | | Report (issue) | | WILLIAMS Geology and Petrology of the Galdpagos Islands Sr THE GEOLOGICAL OF AMERICA SOCIETY be GSA...or in Geology and Petrology of the Galdpagos Islands A. R. MCBIRNEY University of Oregon Eugene, Oregon...enrichment in Fe/Mg, total alkalis, and excess silica. Alkali ba- salts are derived from a deeper source than...and show little evidence of differentiation. The islands were never connected to the mainland of South or... GEOLOGY OF THE AND PETROLOGY GALAPAGOS ISLANDS The Geological Society Memoir of America |  | | Book (edition) | | the Bibliog¬ raphy and Index of Geology for 1970: France - stratigraphy Devonian, Ariege, Saint-Barthelemy...indexer who prepared this entry was supposed to use "France" on level 1 and "stratigraphy" on level 2, but...Sr-86 BA alkali metals BZ strontium (2) elements BA alkaline earth metals metals BA metals alkali metals...included use on level 3 under igneous rocks(l) basalt family(2). IN As of 1981, includes use on level...of Aleutian Islands SW of Alaska Peninsula. BT Alaska BT United States SA Aleutian Islands Adalia use |  | | Journal (issue) | | Editor for this issue Janne Blichert-Toft, ENS Lyon, France Reviewers EDITORIAL BOARD Each issue of Geochemical...University of Leeds, UK Janne Blichert-Toft ENS Lyon, France Don Canfield University of Southern Denmark,...Hungary Brigitte Zanda IMPMC, MNHN, France Marc Chaussidon, IPGP, France Tim Elliott, University of Bristol...sometimes incompletely, to form mid-ocean ridge basalt lavas erupted on the ocean floor. However, meltrock...began when I moved from Washington, D.C., to Paris, France, in 1974. Looking back four decades to trace my |  | | Book (volume) | | 1t1on ( metal co~ft1c1ent . Fe 90 Ni 10 vs . basalt ISP\ C I 15 % FeO ) Fig . 1 Composition of the...roughly corresponds to the altered potassic alkaline basalt (phonolitic or leucitic tephrite) while that of...of Venera 1~ tot the a1.tered tholeiitic basalt . The comparison of thermodynamic prediction with the...Leuoitio basalt Venera 1) 46, 18 45.1;!).o 1. 59±<) ,45 2. 1 J Venera 14 Tholeiitic basalt 48.7±3...plutons 3 . 9-4 . o b. y. ago produced the KREEP basalt magmas . " This would account for the apparent |  | | Book | | Catalogue of the Active Volcanoes of the World-Kurile Islands (Naples, 1958; in English) and Bezymyannyi Volcano...a+c+b+s set equal to 100: a = relative number of alkali atom s tied to alum inum, in 1 : 1 ratio, in the...respectively), where a' +I' + m' = 100. In moderately alkali-oversaturated rocks, all the aluminum is used in...respectively), where c'+j'+ m'=100. In strongly alkali-oversaturated rocks, all ~he aluminum is used in...volcanoes and volcanic phenomena of the Kurile Islands as one of his first tasks. To a large degree, completion |
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