 | | Book | | de Luxembourg With 106 Figures and 95 Tables =e in the text and on 8 Folders 1970 GEBRUDER BORNTRAEGER...character- ized, with scarce an exception, by vulcanism, and the yulcanological evolution, rock suites, geomorphological...intimate acquaintance with all the Atlantic islands, and there is every reason to believe this applies even...southern islands separate, for reasons given above, and no less to furnish a volume of reasonable magnitude...general, shown little interest, and indeed the American J.C. Branner and the Belgian, A. RENARD, are the |  | | Journal (article/letter/editorial) | | a m Geochemistry of Inaccessible Island volcanics R.A. ClifP, P.E. Baker b'~ and N.J. Mateer ~ ~Departmenl...30, 1989; revised and accepted April 8, 1991 ) ABSTRACT Clift; R.A., Baker, P.E. and Mateer, N.J., 1991...Geochemist~' of Inaccessible Island volcanics. ('hem. Geol., 92: 251-260. Inaccessible Island, part of the...the Tristan da Cunha group, is older than Tristan itself but younger than Nightingale. It comprises an...itic trachyte series which is similar to but less alkaline than that of Tristan. ('heroical and isotopic |  | | Journal (article/letter/editorial) | | Earth and Planetary Science Letters, 113 (1992) 343-364 Elsevier Science Publishers B.V., Amsterdam ...spot-plume systems: 1. Distribution of volcanism in time and space J o h n M. O ' C o n n o r a,1 a n d A n t...rocks dredged from seamounts and ridges distributed along the St. Helena and Gough volcanic chains suggests...activity of the St. Helena and Walvis hot spot-plume systems. The St. Helena and Walvis (referred to...to elsewhere as Tristan) hot spots probably consist of broad zones of diffuse volcanism (i.e. oceanic islands |  | | Journal (article/letter/editorial) | | 0022-3530/90 $3.00 Tristan da Cunha, South Atlantic: Geochemistry and Petrogenesis of a Basanite-Phonolite...Lava Series by ANTON P. LE ROEX 1 , R. A. CLIFF 2 AND B. J. I. ADAIR 1 1 Department of Geology, University...University of Leeds, Leeds, UK ABSTRACT The island of Tristan da Cunha, located at 37°S, 12°W in the South Atlantic...islands, the others being Nightingale and Inaccessible. Tristan da Cunha comprises a continuous series of...from ankaramitic basanite through phonotephrite and tephriphonolite to phonolite. Moderately porphyritic |  | | Journal (article/letter/editorial) | | Geochronology of the Tristan da Cunha Group of Islands By I. G. GASS ABSTRACT A geological synopsis...islands of the Tristan da Cunha group is given and their rate of growth by volcanic processes, and their subsequent...These data, though few as yet, suggest that each island has a " life cycle " consisting of a brief constructional...scale of geological time is widely accepted (Menard and Ladd, 1963); however, in only a few cases has it...Upton, and Wadsworth, 1965; Fitch, Grasty, and Miller, 1965). In this regard, the Tristan da Cunha group |  | | Journal (article/letter/editorial) | | 87 Potassium-argon ages from Tristan da Cunha, South Atlantic IAN MCDOUGALL & C. D. OLLIER Summary.... mainly lavas, from Tristan da Cunha range from 0.21+0.01 to 0.01 ±0.02 Ma, and confirm the youthfulness...the Mid Atlantic Ridge. 1. Introduction The Tristan da Cunha group of volcanic islands is situated about...at longitude 12° 17' W, latitude 37° 05' S. The island group lies near the southwestern extremity of the...Ridge where it merges with the Mid Atlantic Ridge, and is built upon oceanic crust of age approximately |  | | Journal (article/letter/editorial) | | 2089^2120 2010 doi:10.1093/petrology/egq050 Shona and Discovery Aseismic Ridge Systems, South Atlantic:...ANTON LE ROEX1*, CORNELIA CLASS2, JOHN O’CONNOR3 AND WILFRIED JOKAT4 1 DEPARTMENT OF GEOLOGICAL SCIENCES...Ridge^Meteor Rise^Agulhas Ridge^Cape Rise seamounts) and the Discovery Rise to the north have been argued...to represent the surface expressions of the Shona and Discovery mantle plumes, based on enriched samples...Mid-Atlantic Ridge, a single sample from Discovery Rise and tectonic reconstructions. Leg PS69 ANT XXIII/5 of |  | | Book (volume) | | THE OCEAN BASINS AND MARGINS Volume | The South Atlantic THE OCEAN BASINS AND MARGINS Volume 1:...The North Atlantic Volume 3: The Gulf of Mexico and the Caribbean Volume 4: The Mediterranean Volume...Ocean ‘THE OCEAN BASINS AND MARGINS, A. Edited by-AlanjE. M. Nairn and Francis G. Stehli Department...de Geociéncias e Astronomia and Centro de Pesquisas Geocronolégicas da Universidade de Sao Paulo, Brazil...Instituto de Geociéncias e Astronomia and Centro de Pesquisas Geocronolégicas da Universidade de Sao Paulo, Brazil |  | Comin-Chiaramonit, P., Cundari, A., Piccirillo, E.M., Gomes, C.B., Castorina, F., Censi, P., De Min, A., Marzoli, A., Speziale, S., Velazquez, V.F. (1997) Potassic and Sodic Igneous Rocks from Eastern Paraguay: their Origin from the Lithospheric Mantle and Genetic Relationships with the Associated Parana flood tholeiites. Journal of Petrology, 38 (4) 495-528 doi:10.1093/petroj/38.4.495 | Journal (article/letter/editorial) | | Potassic and Sodic Igneous Rocks from Eastern Paraguay: their Origin from the Lithospheric Mantle and Genetic...P. CENSI6, A. DE MIN3, A. MARZOLI3, S. SPEZIALE6 AND V. F. VELÁZQUEZ4 1 DIPARTIMENTO DI INGEGNERIA CHIMICA...Triassic sodic intrusions and lavas; (2) Early Cretaceous potassic igneous rocks and very scarce sodic lavas;...eastern Paraguay: (1) widespread potassic magmatism and SGF tholeiites (Early Cretaceous); (2) Asunción...proposed, i.e. basanite to phonolite and alkali basalt to trachyte and their intrusive analogues. The sodic |  | Homrighausen, S., Hoernle, K., Geldmacher, J., Wartho, J.-A., Hauff, F., Portnyagin, M., Werner, R., van den Bogaard, P., Garbe-Schönberg, D. (2018) Unexpected HIMU-type late-stage volcanism on the Walvis Ridge. Earth and Planetary Science Letters, 492. 251-263 doi:10.1016/j.epsl.2018.03.049 | Journal (article/letter/editorial) | | Earth and Planetary Science Letters 492 (2018) 251–263 Contents lists available at ScienceDirect Earth...Earth and Planetary Science Letters www.elsevier.com/locate/epsl Unexpected HIMU-type late-stage volcanism...Germany V.I. Vernadsky Institute of Geochemistry and Analytical Chemistry, Kosygin St. 19, 119991 Moscow...Walvis Ridge late-stage volcanism trace elements and isotope geochemistry 40 Ar/39 Ar dating high 238...Volcanic activity at many oceanic volcanoes, ridges and plateaus often reawakens after hiatuses of up to |  | | Book | | org/details/antarcticgeologyOOOOsymp ANTARCTIC GEOLOGY AND GEOPHYSICS SCANDINAVIAN UNIVERSITY BOOKS Universitetsforlaget...SCIENCES SERIES B - NUMBER I ANTARCTIC GEOLOGY AND GEOPHYSICS Edited by RAYMOND J. ADIE British Antarctic...Birmingham 15, England Symposium on Antarctic Geology and Solid Earth Geophysics, Oslo, 6-15 August 1970, organized...by the SCIENTIFIC COMMITTEE ON ANTARCTIC RESEARCH and sponsored by the INTERNATIONAL UNION OF GEOLOGICAL...represent a major contribu¬ tion to the geology and solid earth geophysical literature of Antarctica |  | | Journal (issue) | | PETROLOGY OF LORD HOWE ISLAND, PART i THE YOUNGER : VOLCANICS p. M. GAME BULLETIN OF THE BRITISH...LONDON : 1970 PART I PETROLOGY OF LORD HOWE ISLAND THE YOUNGER VOLCANICS : BY MALCOLM GAME PHILIP...corresponding to the Departments of the Museum, and an Historical series. Parts will appear at irregular...about three or become ready. four hundred pages, and will not necessarily be completed within one calendar... Price £2 5s. (£2.25) PETROLOGY OF LORD HOWE ISLAND PART I THE YOUNGER VOLCANICS : Bv P. M. GAME |  | | Journal (article/letter/editorial) | | Sm–Nd isotopic investigation of Neoproterozoic and Cretaceous igneous rocks from southern Brazil: A... The inclusion of Nd isotopes and geochemical data for Precambrian and Mesozoic basic rocks allow improving...southern Brazilian shield, an eastern collisional belt and a western foreland. The latter included two geotectonic...(900–700 Ma), and the Taquarembó cratonic block. Magma genesis mainly involved mixture of crustal and incom...lower crust (ca. 2.55 Ga) in the western foreland, and Paleoproterozoic–Neoproterozoic recycled crust (2 |  | | Journal (article/letter/editorial) | | University, TR-29000 Gümüşhane, Turkey c School of Earth and Space Sciences, Peking University, 100871 Beijing...Abstract Whole-rock geochemistry, Sr–Nd–Pb isotopes and K–Ar data are reported for alkaline samples collected...Turkey, in order to investigate their source and petrogenesis and geodynamic evaluation of the region. The...tephrite–tephriphonolite (feldspar and feldspathoid-bearing; Group B) and alkaline basalt–rhyolite (feldspathoid-free;...potassic in character. They show enrichment of LREE and LILE and depletion of HFSE, without a Eu anomaly in most |  | | Book (volume) | | net. VII. Fresh-water Algce. By W. WEST, F.L.S., and G. S. WEST, M.A., D.Sc., F.L.S. 3s. net. Vol. II...By R. KOEHLER. net. 5s. net. GEOLOGY Vol. I. and Tectonic Geology of South Victoria Land. E. DAVID...DAVID, C.M.G., F.R.S., M.A., Hon. D.Sc. (Oxon), and R. E. PRIESTLEY, F.G.S. With Short Notes on Palaeontology...Palaeontology by T. G. TAYLOR, B.A., B.E., B.Sc., and Professor E. H. GODDARD, D.Sc. Paper boards, 2 2s. Glaciology... E. DAVID and R. E. PRIESTLEY. Internal. Geol. Congress, Stockholm, 1910. Antarctica and Some of its |  | | Journal (article/letter/editorial) | | at Mount Erebus, Ross Island, Antarctica by P. R. KYLE 1 , J. A. MOORE 1 , AND M. F. THIRLWALL 2 1 (Received...accepted 18 October 1991) ABSTRACT Mount Erebus, Ross Island, Antarctica, is an active, intraplate, alkaline...lavas range from basanite to anorthoclase phonolite, and are termed the Erebus lineage (EL). The lavas are...opaque oxides (Usp31_76), feldspar (An 72 _ u X and apatite. Rare earth element (REE) contents increase...(LaN/YbN = 14-20) and there are no significant Eu anomalies. 87Sr/86Sr is uniform and low (~O7030) throughout |  | | Journal (article/letter/editorial) | | Yangtze Block and Tibetan Plateau with displaced, correlative units in northern Vietnam (Song Da zone). The...contains numerous world-class base metal deposits and is contemporaneous with the late Capitanian (w260...there are also ultramafic and silicic volcanic rocks and layered maficultramafic and silicic plutonic rocks...three nearly concentric zones (i.e. inner, middle and outer) which correspond to progressively thicker...paleomagnetic and geochronological evidence to an interval of 3 Ma. The presence of picritic rocks and thick |  | | Report (issue) | | 14 ' er°SraP ly an(l Mineralogy, 23 E, Chemistry and Physics, 37 DEPARTMENT OF THE INTERIOR UNITED STATES...1900 WITH A CRITICAL DISCUSSION OF THE CHARACTER AND USE OF ANALYSES HENRY STEPHENS WASHINGTON W A...47 Nomenclature of the system Comparison of old and new nomenclatures 48 49 4 CONTENTS. Discussion...locks Continued Page Tabular exhibit of divisions and names of quantitative system (5 tables).--...---...................... 68 Correspondence of norm and mode.......... ................................. |  | | Book (volume) | | SUBJECT HEADINGS Prepared by the Cataloging Policy and Support Office, Library Services 24TH EDITION VOLUME...Illinois (111.) 1-476 (Pa.) USE and Michigan Canal National (111.) and Michigan Canal State Trail ( 111...(China) USE and Washington, D.C.) 66 (Va. and Washington, I Interstate D.C.) ching and science USE...USE Yi jing and science USE Interstate 69 Interstate 70 International English I Language Testing...USE and W. Va.) Interstate 79 (Pa. and W. Va.) Farben 1948 I.G. 1-80 UF Interstate 81 and Md.) |  | | Journal (volume) | | HENRIETTA -ST., COVENT GARDEN . HODGES, SMITH , AND CO., 104, GRAFTON-STREET. EDINBURGH : WILLIAMS... A., F. R. S., On theGranitic Rocks of Donegal, and the Minerals therewith associated . By Robert H....Proceedings of the Year 1862–63, On the Chemical and Mineralogical Relations of Metamorphic Rocks. By...HENRIETTA-ST ., COVENT GARDEN . HODGES, SMITH , AND CO., 104, GRAFTON -STREET. EDINBURGH : WILLIAMS...SOUTH FREDERICK -STREET. 1863. Price Two Shillings and Six -pence . Q v o E n I 8 R8 JOURNAL OF THE |  | | Book (volume) | | twenty-two twenty-five „ „ „ „ „ „ „ „ ninth edition and eleven supplementary volumes, ELEVENTH publUhed...the Bern Cbnvention by THE CHANCELLOR, MASTERS AND SCHOLARS of the UNIVERSITY OF CAMBRIDGE All rights...BRITANNICA DICTIONARY OF ARTS, SCIENCES, LITERATURE AND GENERAL INFORMATION ELEVENTH EDITION VOLUME A ...GREAT BRITAIN AND IRELAND AND OF THE BRITISH DOMINIONS BEYOND THE SEAS EMPEROR OF INDIA AND TO WILLIAM...now issued by the The First Edition, printer, and Andrew The in Scotland." Bell, proprietors were |  | | Report (issue) | | PROGRESS OF THE GEOLOGICAL SURVEY OF GREAT BRITAIN AND THE MUSEUM OF PRACTICAL GEOLOGY FOR THE YEAR 1955...ENTIFIC AND INDUSTRIAL RESEARCH Summary of Progress of the Geological Survey of Great Britain and the Museum...1955 With Report of the Geological Survey Board and Report of the Director · LONDON H ER M AJESTY'S... Assesso11s Ministry of Agriculture, Fisheries and W. MORLEY DAVIES, EsQ., M.A., B.Sc., .. . ... . ...••• ... Ministry ofFuel and Power ... ... ••• Ministry of Housing and Local Government . .. ... |  | | Journal (volume) | | history, the recording of and discovery, and the development of museum exhibition and museum influence in education...in these fields, including the scientific staff and members of the American Museum, as well as writers...writers connected with other institutions, explorers, and investigators in the several branches of natural...the New Fish Hall w.VVtI;; v' V,-'^°^<^r Habits and Life History of the Angler Fish, Lophius: ::::::::::::::...Fishing in the New Zealand Seas Z/ANE TVio V\ch and n^A Its'Strangi"Pastu7e T+„ e* r)„_j. t i_ The Slioi^VioT |
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