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Gabbro from
Inaccessible Island, Tristan da Cunha Archipelago, Saint Helena, Ascension and Tristan da Cunha


Locality type:Island
Classification
Type:Gabbro
Age information
Maximum recorded age:12.8 ± 1.3 Ma
Minimum recorded age:12.8 ± 1.3 Ma
Sample ages:
Recorded ageGeologic TimeSampleDating method
112.8 ± 1.3 MaMiocene - K-Ar
Sample references:
1 -
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Gabbro data
Locality Data:Click here to view Inaccessible Island, Tristan da Cunha Archipelago, Saint Helena, Ascension and Tristan da Cunha
Data Identifiers
Mindat Occurrence Record ID:1419070
Long-form Identifier:1:3:1419070:8
GUID (UUID V4):0fa8774f-5791-46d9-9a20-c8ab737339bf
References
Reference Search (possible matching items)
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)
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)
EPSL ELSEVIER Earth and Planetary Science Letters 141 (1996) 277-291 Isotope characteristics of the...constraints on the composition of the early Tristan plume and the origin of the EM 1 mantle component Simon...Rondebosch 7700, South Africa b Ministry of Mines and Energy, Geological Survey. P.O. Box 2168. Windhoek...August 1995; accepted 22 March 1996 Abstract Sr, Nd and Pb isotope data are presented for a variety of intrusive...age Okenyenya igneous complex, which is temporally and spatially associated with the Etendeka Group volcanic
Journal (article/letter/editorial)
Earth and Planetary Science Letters 237 (2005) 744 – 767 www.elsevier.com/locate/epsl Melt-generation...Melt-generation processes associated with the Tristan mantle plume: Constraints on the origin of EM-1 S.A. Gibson...Road, Durham, DH1 3LE, UK c Department of Geology and Geophysics, Woods Hole Oceanographic Institution...(EM-1) component in ocean–island basalts (OIB, e.g., Kerguelen, Pitcairn and Walvis Ridge) has been attributed...alkali and tholeiitic basalts from the Walvis Ridge and Rio Grande Rise and b3 Ma basanites and basalts
Journal (article/letter/editorial)
com/locate/chemgeo Os isotope systematics in Fogo Island: Evidence for lower continental crust fragments...15 February 2005 Abstract Os and Nd isotopic ratios as well as major and trace element compositions have...Fogo Island, Cape Verde. These new data complement a previous archipelago-scale study (Southern and Northern...2003. Pb-Sr-He isotope and trace element geochemistry of the Cape Verde Archipelago. Geochim. Cosmochim...3717-3733], in which major, trace element contents and Sr–Pb–He isotopic compositions of lavas were determined
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
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
Journal (article/letter/editorial)
1998 Isotope and Trace Element Geochemistry of Cretaceous Damaraland Lamprophyres and Carbonatites,...Plume–Lithosphere Interactions ANTON P. LE ROEX∗ AND RUTH LANYON† DEPARTMENT OF GEOLOGICAL SCIENCES, UNIVERSITY...ACCEPTED DECEMBER 12, 1997 Major and trace element and radiogenic and stable isotope data are reported...reported for Cretaceous lamprophyres and carbonatites associated with alkaline igneous complexes in Damaraland...emplaced as late-stage dykes, stocks and diatremes, include both alkaline and ultramafic varieties. Many of
Journal (article/letter/editorial)
geochemically distinct Low-Ti magma types (Gramado and Esmeralda) are distinguished within the flood basalt...abundances and ratios. Esmeralda magmas have lower Ce/Sm and ( 87Sr/X”Sr) i, and higher Ti/Zr and ?? Nd,than...contamination of an asthenosphere-derived melt with time, and instead it seems that the two magma types evolved...Gramado magmas are dominated by crustal assimilation and fractional crystallisation, geochemical features...magmas [low Ti/Y of < 300 and low Nb/La of <0.8, negative +,-values - - 3 and high (87Sr/8”Sr), 0.708-0
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
Journal (article/letter/editorial)
PAGES 2049–2081 2001 Early Cretaceous Basalt and Picrite Dykes of the Southern Etendeka Region, NW...NW Namibia: Windows into the Role of the Tristan Mantle Plume in Paraná–Etendeka Magmatism R. N. THOMPSON1∗...THOMPSON1∗, S. A. GIBSON2, A. P. DICKIN3 AND P. M. SMITH2 1 DEPARTMENT OF GEOLOGICAL SCIENCES, UNIVERSITY...initial 87Sr/86Sr >0·7032. Others show major- and trace-element, and Sr–Nd–Pb isotopic evidence of contamination...relationships. Ferropicrite and low-Ti dykes are consanguineous with lavas erupted at 133 and Extended dataset
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
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Ph.D., F.G.S., and C. D. OVEY, B.Sc., EG.S., F.R.Met.S.' Departments of Mineralogy and Zoology, British...13. INTRODUCTION HISTORICAL SURVEY ECHO SOUNDING AND RECENT BATHYMETRICAL CHARTS MORPHOLOOY OF THE DEEP-SEA...DEEP-SEA FLOOR (a) Elevations (b) Depressions ORIGIN AND DATING OF DEEP-SEA MORPHOLOOY (a) Elevations (b)...CORING AND ITS IMPORTANCE IN RELATION TO PAST OCEANIC HISTORY RADIOACTIVITY OF MARINE SEDIMENTS AND OF OCEAN...OCEAN WATER AND ITS USE IN MARINE CHRONOLOOY ... THE SIGNIFICANCE OF PLANKTONIC FORAMINIFERA AS TEMPERATUREINDICATORS
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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
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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
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www.elsevier.com/locate/oregeorev Petrogenesis and metallogenesis of the Taihe gabbroic intrusion associated...b c State Key Laboratory of Geological Process and Mineral Resources, China University of Geosciences...100083, China Department of Earth and Atmospheric Sciences, Saint Louis University, 3642 Lindell Boulevard...Metallogenesis a b s t r a c t The Taihe layered gabbro intrusion in the northernmost part of the Panxi...The intrusion covers an areal extent of ~13 km2 and has a vertical stratigraphic thickness of ~1400 m
Report (issue)
AndrewRothrock, Robert Shuchman,W. TerryTucker,WilfordWeeks,and Dale I]4 SolarSystem Plasmas in SpaceandTime J.Burch...Woodworth,D. T. Pugh,J. G. DeRonde, R. G. Warrick, and J. Hannah (Eds.) 70 Synthesis of Results from ScientificDrillingin...D.E.Staylie, and ThomasHerring(Eds.) 73 Environmental Effectson SpacecraftPositioning and Trajectories(IUGG...A. VallanceJones(Ed.) 74 Evolution of the Earth and Planets (IUGG Volume 14) Phenomena (IUGG Volume...Volume 18) William L Newman, Andrei Gabrielov, and Donald L. Turcotte(Eds.) Waite,Jr. (Eds.) 85 The PolarOceansandTheir
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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
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1007/978-3-319-55460-0 Evangelos Lagios National and Kapodistrian University of Athens Athens Greece ...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...assume that the advice and information in this book are believed to be true and accurate at the date of...regard to jurisdictional claims in published maps and institutional affiliations. Printed on acid-free paper
Book
1007/978-3-319-55460-0 Evangelos Lagios National and Kapodistrian University of Athens Athens Greece ...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...assume that the advice and information in this book are believed to be true and accurate at the date of...regard to jurisdictional claims in published maps and institutional affiliations. Printed on acid-free paper
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doi:10.1017/S0016756818000134 1 Geochronological and geochemical studies of the OIB-type Baiyanghe dolerites:...UA N - Z H E N G M A ¶ ∗ School of Earth Sciences and Gansu Key Laboratory of Mineral Resources in Western...730000, PR China ‡Key Laboratory of High-Temperature and High-Pressure Study of the Earth’s Interior, Institute...Geology & Environment, Xi’an University of Science and Technology, Xi’an 710000, PR China (Received 22...paper, zircon U–Pb geochronology, major and trace elements, and Sr–Nd isotope geochemistry of the Baiyanghe
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the last column is the volume number(issue number) and the last figure indicates the page number(s). 'The...the bottom of p. 319. Akagi, T. and Masuda, A., Isotopic studies and R E E geochemistry on alluvial diamonds... S., Evaluation and application of reference materials for the analysis of rocks and mineral,~ . . ....base for paleoclimatology . . . . . Abell, P.I. and Nyamweru, C.K., Paleoenvironments in the C h a i...Sturchio, N.C., Bohlke, J.K., Lyon, G.L., Poreda, R J . and Stevens, C.M.. M e t h a n e - h y d r o g e n gas
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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
 
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