 | | Report (chapter) | | Geochronology (Ar/Ar and K– Ar) of the South Atlantic post-break-up magmatism M. C. GERALDES1*, A. MOTOKI1...integrates the available geological information and geochronology data for the Cretaceous– Recent magmatism...onshore and offshore magmatic events, including the oceanic islands along the transform faults and near...igneous rocks and their tectonic settings allows new insights into the evolution of the African and Brazilian...a common characteristic of almost all Brazilian and West African marginal basins. However, rocks ascribed |  | Homrighausen, S., Hoernle, K., Hauff, F., Wartho, J.-A., van den Bogaard, P., Garbe-Schönberg, D. (2019) New age and geochemical data from the Walvis Ridge: The temporal and spatial diversity of South Atlantic intraplate volcanism and its possible origin. Geochimica et Cosmochimica Acta, 245. 16-34 doi:10.1016/j.gca.2018.09.002 | Journal (article/letter/editorial) | | Accepted Manuscript New age and geochemical data from the Walvis Ridge: The temporal and spatial diversity of...of South Atlantic intraplate volcanism and its possible origin S. Homrighausen, K. Hoernle, F. Hauff,...GarbeSchönberg, D., New age and geochemical data from the Walvis Ridge: The temporal and spatial diversity of...of South Atlantic intraplate volcanism and its possible origin, Geochimica et Cosmochimica Acta (2018)...manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published |  | | Journal (article/letter/editorial) | | enriched mantle components by recycling of upper and lower continental crust Matthias Willbold a,b,⁎,...United Kingdom ETH Zürich, Institute of Geochemistry and Petrology, Clausiusstrasse 25, 8092 Zürich, Switzerland...Radiogenic Isotopes Trace elements Europium Basalt Ocean island Mantle End-members Heterogeneity a b s t r a c...unsolved problem for constraining the composition and chemical evolution of the Earth's mantle, because...has been suggested. To address this predicament and to re-investigate the origin of EM sources on a global |  | Reagan, Mark K., Turner, Simon, Legg, Matthew, Sims, Kenneth W.W., Hards, Victoria L. (2008) 238U- and 232Th-decay series constraints on the timescales of crystal fractionation to produce the phonolite erupted in 2004 near Tristan da Cunha, South Atlantic Ocean. Geochimica et Cosmochimica Acta, 72 (17) 4367-4378 doi:10.1016/j.gca.2008.06.002 | Journal (article/letter/editorial) | | (2008) 4367–4378 www.elsevier.com/locate/gca 238 U- and 232Th-decay series constraints on the timescales...produce the phonolite erupted in 2004 near Tristan da Cunha, South Atlantic Ocean Mark K. Reagan a,*,...Earth and Planetary Sciences, Macquarie University, NSW 2109, Australia c Department of Geology and Geophysics...floating offshore of Tristan da Cunha following intense seismic activity southeast of the island July 29–30, 2004...for 238U- and 232Th-series nuclides to determine initial 230Th, 226Ra, 210Pb, 210Po, 228Ra, and 228Th activities |  | Peate, D. W., Hawkesworth, C. J., Mantovani, M. M. S., Rogers, N. W., Turner, S. P. (1999) Petrogenesis and Stratigraphy of the High-Ti/Y Urubici Magma Type in the Parana Flood Basalt Province and Implications for the Nature of 'Dupal'-Type Mantle in the South Atlantic Region. Journal of Petrology, 40 (3) 451-473 doi:10.1093/petroj/40.3.451 | Journal (article/letter/editorial) | | Petrogenesis and Stratigraphy of the HighTi/Y Urubici Magma Type in the Paraná Flood Basalt Province and Implications...HAWKESWORTH2, MARTA M. S. MANTOVANI3, NICK W. ROGERS2 AND SIMON P. TURNER2 1 DANISH LITHOSPHERE CENTRE, ØSTER...considered as a single entity: Urubici flood basalts and Walvis Ridge Site 525A basalts have a relatively...within originally lithospheric mantle, whereas the Tristan plume is a deep mantle upwelling. The high-Ti/Y...spatial extent, near the southeast Brazilian coast and in the northern Etendeka (Namibia). Urubici flows |  | Rocha-Júnior, E.R.V., Marques, L.S., Babinski, M., Machado, F.B., Petronilho, L.A., Nardy, A.J.R. (2020) A telltale signature of Archean lithospheric mantle in the Paraná continental flood basalts genesis. Lithos, 364. 105519pp. doi:10.1016/j.lithos.2020.105519 | Journal (article/letter/editorial) | | Departamento de Física da Terra e do Meio Ambiente, Instituto de Física, Universidade Federal da Bahia, Salvador...the mesosphere (deep mantle plume), asthenosphere and/or lithosphere. In an effort to scrutinize those...new measurements of Os, Nd, Sr and Pb isotopes, along with major and trace elements are presented for...structure is characterized by higher P- and S- wave velocities, and high electrical resistivity. The initial...the estimates of the contemporary Depleted Mantle and are lower than any osmium isotopic ratio yet reported |  | | Journal (article/letter/editorial) | | Taylor & Francis Informa Ltd Registered in England and Wales Registered Number: 1072954 Registered office:...authors and subscription information: http://www.tandfonline.com/loi/tigr20 Zinc, Copper, and Lead Geochemistry...Geochemistry of Oceanic Igneous Rocks—Ridges, Islands, and Arcs Bruce R. Doe a a U.S. Geological Survey,...(1995): Zinc, Copper, and Lead Geochemistry of Oceanic Igneous Rocks—Ridges, Islands, and Arcs, International...ARTICLE Full terms and conditions of use: http://www.tandfonline.com/page/terms-and-conditions This article |  | | Journal (article/letter/editorial) | | 169–174. GEOLOGY New Data on the Composition and Age of Rocks from the Bathymetrists Seamounts (Eastern...S. G. Skolotnev*, A. A. Peyve, M. E. Bylinskaya, and L. A. Golovina Presented by Academician Yu.M. Pushcharovskii...August 6, 2014 Abstract—The petrology, geochemistry, and isotope ratios of volcanics dredged during the 43rd...been studied. These are alkaline volcanics of basic and ultramafic compositions. Spider diagrams of the trace...143Nd/144Nd, 206Pb/204Pb, 207Pb/204Pb, 208Pb/204Pb, and 87Sr/86Sr and the character of their variations, the volcanic |  | Zhou, H., Hoernle, K., Geldmacher, J., Hauff, F., Homrighausen, S., Garbe-Schönberg, D., Jung, S. (2020) Geochemistry of Etendeka magmatism: Spatial heterogeneity in the Tristan-Gough plume head. Earth and Planetary Science Letters, 535. 116123 doi:10.1016/j.epsl.2020.116123 | Journal (article/letter/editorial) | | Earth and Planetary Science Letters 535 (2020) 116123 Contents lists available at ScienceDirect Earth...Earth and Planetary Science Letters www.elsevier.com/locate/epsl Geochemistry of Etendeka magmatism: Spatial...Spatial heterogeneity in the Tristan-Gough plume head H. Zhou a,∗ , K. Hoernle a,b , J. Geldmacher a...10, 24118 Kiel, Germany Institute of Mineralogy and Petrography, Universität Hamburg, Grindelallee 48...plume zonation Gough a b s t r a c t The origin and distribution of geochemically distinct source components |  | | 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 |  | Schwindrofska, Antje, Hoernle, Kaj, Hauff, Folkmar, van den Bogaard, Paul, Werner, Reinhard, Garbe-Schönberg, Dieter (2016) Origin of enriched components in the South Atlantic: Evidence from 40 Ma geochemical zonation of the Discovery Seamounts. Earth and Planetary Science Letters, 441. 167-177 doi:10.1016/j.epsl.2016.02.041 | Journal (article/letter/editorial) | | Earth and Planetary Science Letters 441 (2016) 167–177 Contents lists available at ScienceDirect Earth...Earth and Planetary Science Letters www.elsevier.com/locate/epsl Origin of enriched components in the...increasingly recognized in Pacific and Atlantic hotspot tracks and is believed to reflect zonation within...mantle plume. The lavas have incompatible element and Sr–Nd–Pb–Hf radiogenic isotope characteristics similar...adjacent Gough subtrack of the bilaterally-zoned Tristan–Gough hotspot track, whereas the southern chain |  | Cernuschi, F., Dilles, J.H., Kent, A.J.R., Schroer, G., Raab, A.K., Conti, B., Muzio, R. (2015) Geology, geochemistry and geochronology of the Cretaceous Lascano East intrusive complex and magmatic evolution of the Laguna Merín basin, Uruguay. Gondwana Research, 28 (2) 837-857 doi:10.1016/j.gr.2014.07.007 | Journal (article/letter/editorial) | | Geology, geochemistry and geochronology of the Cretaceous Lascano East intrusive complex and magmatic evolution...Geology, geochemistry and geochronology of the Cretaceous Lascano East intrusive complex and magmatic evolution...manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published...may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain...geochemistry and geochronology of the Cretaceous Lascano East intrusive RI P T complex and magmatic evolution |  | | Journal (article/letter/editorial) | | Journal Pre-proof Hot primary melts and mantle source for the Paraná-Etendeka flood basalt province:...as: E.S. Jennings, S.A. Gibson and J. Maclennan, Hot primary melts and mantle source for the Paraná-Etendeka...acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not...will undergo additional copyediting, typesetting and review before it is published in its final form,...may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain |  | R. Halama, , Wenzel, T., Upton, B. G. J., Siebel, W., Markl, G. (2003) A geochemical and Sr-Nd-O isotopic study of the Proterozoic Eriksfjord Basalts, Gardar Province, South Greenland: Reconstruction of an OIB signature in crustally contaminated rift-related basalts. Mineralogical Magazine, 67 (5) 831-853 doi:10.1180/0026461036750147 | Journal (article/letter/editorial) | | October 2003, Vol. 67(5), pp. 831–853 A geochemical and Sr-Nd-O isotopic study of the Proterozoic Eriksfjord...HALAMA1, T. WENZEL1, B. G. J. UPTON2, W. SIEBEL1 1 2 AND G. MARKL1,* Universität Tübingen, Institut für...D-72074 Tübingen, Germany Department of Geology and Geophysics, The University of Edinburgh, West Mains...transitional between tholeiite and alkaline basalt with MgO contents <7 wt.% and they display LREE-enrichment...to a chondritic source. Most of the trace element and REE characteristics are similar to those of basalts |  | | Report (chapter) | | D. N. Barfod, D. F. Mark, A. Tait, R. C. Dymock and J. Imlach Geological Society, London, Special Publications...here for further information about Online First and how to cite articles Notes © The Geological Society...fundamental tools for sampling in geochemical studies and have found wide application in mass spectrometric...radiogenic (40Ar*) from trapped argon components and provides an alternative to furnace step-heating methods...must be taken to avoid self-shielding of grains and proper laser targeting. The scanning laser extraction |  | | Report (issue) | | Menzies, Si11onl. 11e11perer, cvntllil J. Ebinger, and Joel Baker, Editors Copyright () 2002, The Geological...thereof, such as abstracts, into computer-readable and/or transmittable form for personal or corporate use...production by Margo Y. Good. Cover design by James McGrow and Martin Menzies. Library or Congress Cataloging-in-Publication...Simon L. Klemperer, Cy thia J . Ebinger, and Joel Baker 2. Crust and upper numtle structure in Eost AA ica:...Implications for the origin of Cenozoic rifting and volcanism and the formation of rlwgmatic rifted tnlll'gins |  | | Book | | 237 The Early Earth: Accretion and Differentiation James Badro and Michael Walter (Eds.) Global Vegetation...Vegetation Dynamics: Concepts and Applications in the MC1 Model Dominique Bachelet and David Turner (Eds.) Extreme...Events: Observations, Modeling and Economics Mario Chavez, Michael Ghil, and Jaime Urrutia‐Fucugauchi (Eds...(Eds.) Auroral Dynamics and Space Weather Yongliang Zhang and Larry Paxton (Eds.) Low‐Frequency Waves in...Hun Lee, and Valery Nakariakov (Eds.) Deep Earth: Physics and Chemistry of the Lower Mantle and Core Hidenori |  | | Book | | Igneous Rocks 123 Alok Krishna Gupta Mineralogy and Petrology University of Allahabad Allahabad India...or in any other physical way, and transmission or information storage and retrieval, electronic adaptation...supplied specifically for the purpose of being entered and executed on a computer system, for exclusive use...the Publisher’s location, in its current version, and permission for use must always be obtained from Springer...protective laws and regulations and therefore free for general use. While the advice and information in |  | | Book (edition) | | Müller · David I. Groves Potassic Igneous Rocks and Associated Gold-Copper Mineralization Fifth Edition...Müller David I. Groves • Potassic Igneous Rocks and Associated Gold-Copper Mineralization Fifth Edition...Santiago Chile David I. Groves Department of Geology and Geophysics, Centre for Exploration Targeting The...or in any other physical way, and transmission or information storage and retrieval, electronic adaptation...protective laws and regulations and therefore free for general use. The publisher, the authors and the editors |  | | Book (volume) | | org/details/proceedingsof27t0009inte Petrology (Igneous and Metamorphic Rocks) I Proceedings of the 27th International...Congress Stratigraphy Palaeontology Quaternary Geology and Geomorphology Sedimentology Precambrian Geology Geology...(Igneous and Metamorphic Rocks) Mineralogy Geochemistry and Cosmochemistry MetaUogenesis and Mineral Ore...Ore Deposits Oil and Gas Fields Solid Fuel Mineral Deposits Non-metallic Mineral Ores Hydrogeology Engineering...Mathematical Geology and Geological Information History of Geology Geological Education Origin and History of Marginal |  | | Journal (article/letter/editorial) | | et al.) 14 1 70 Basalt, K/Ar, Alaska, Nunivak Island (Cox, Allan, et al.) 3 2 173 Basalt, K/Ar, Cretaceous...K/Ar, Pliocene, Pacific Ocean, Norfolk Island, Philip Island (McDougall, lan, et al.) 14 3 367 Basalt...dacite, rhyolite, whole rock, K/Ar, data, volcanism, island arcs, Tertiary, West Indies, Lesser Antilles, Limestone...rocks, dacite, minerals, biotite, Ar/Ar, data, island arcs, evolution, plate tectonics, upper Tertiary... basalt, K/Ar, Quaternary, Indian Ocean, Saint Paul Island (Watkins, N. D., et al.) 24 3 377 Igneous |  | | Book | | INTRODUCTION TO • JOHN D. INT ◄R I ) Units and Con!>tant!, (bold are SI uni ls) conversioru unit...million years ... • An Introduction to Igneous and Metamorphic Petrology Digitized by the Internet...uctio nto igOOOOwi nt An Introduction to Igneous and Metamorphic Petrology John D. Winter Department...John D (John Du'-lann) An introduction to ignt:ous and me tamorphic pe trology/by John D. Winter. p. cm...cm Include-, bibliogr aphical refe rences and index. l\B'\ 0-13-240342-0 l Rod,'>. lgneous. 2. R ocks. |  | | Book | | Beirne tee Migacsaiats mee Mineral Deposits and Global Tectonic Settings Lon me ry TG. s Academic...Series Mineral Deposits and Global Tectonic Settings—A. H. G. Mitchell and M. S. Garson—198/ Frontispiece...primarily: of pyrrhotite plus pyrite, sphalerite and Cu-Fe sulphides. mounds with honeycomb These ...gypsum and magnesium sulphate, and innermost walls of alternating bands of sphalerite, pyrite and chalcopyrite...of baryte and amorphous silica coating tube walls of honeycomb samples. Part of the mounds and adjacent |  | | Book | | the usual classification of igneous, sedimentary, and metamorphic, this useful volume also explains many...which are often considered varieties of minerals), and more. A glossary of 200 petrologic terms used in...obscure, local, trade, and obsolete names are explained for their informative and historical value. Foreignlanguage...defined as well. Thoroughly defined are: • common and rare rocks • migmatites • impactites • natural organic...major coal varieties • cave rocks • many decorative and gem rocks In addition to providing concise definitions |  | | Book | | Professor of Palaeontology Columbia University, and Heevey Woodbukn Shi- MER, Assistant Professor...pages and 1210 text figures; Vol. II, igio, 909 pages and 727 text figures. The volumes contain and species...horizons, and keys for the determination of the genera. They are suitable work in Palaeontology, and as an...an aid to the worker, in determining his fossils and finding his horizons. Owing to the widely scattered...of Terms, Directions for Collecting and Preserving Fossils, and the extensive bibliography will also |
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