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  • 1
    Book
    Book
    Amsterdam [u.a.] : Elsevier
    Keywords: Erdmantel ; Erdkern ; Geochemie
    Type of Medium: Book
    Pages: XXI, 586 S , Ill., graph. Darst
    Edition: 1. ed
    ISBN: 0080448488
    Series Statement: Treatise on geochemistry / executive ed. H. D. Holland ... Vol. 2
    Language: English
    Note: Literaturangaben
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Macmillan Magazines Ltd.
    Nature 394 (1998), S. 11-12 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A better understanding of the dynamics of Earth's mantle depends on improved techniques for isotopic tracing. One such study has resolved minute variations in isotopes of osmium and links surface volcanism to events at the core. For those fortunate enough to visit Hawaii, the thought of ...
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 376 (1995), S. 116-117 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] As a raft floating on the underlying con-vecting mantle, oceanic crust is doomed to sink back into that mantle in less than a couple of hundred million years. Continental crust, on the other hand, survives at the Earth's surface for 4 billion years. Data presented by Reisberg and ...
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 334 (1988), S. 380-381 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Is the Earth's mantle chemically stratified or are there chemically distinct regions of various sizes distributed like plums in a pudding throughout the whole mantle? Answers to this question, addressed at a recent meeting*, are important not only for the obvious implications for the present ...
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 348 (1990), S. 17-18 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ISOTOPIC: shifts in elements with long-lived radioactive parents document chemical variations in the Earth's mantle that have been preserved for periods of at least 108-109 years - roughly the timescale of convective overturn in the mantle. Relying primarily on data from oceanic volcanic rocks, ...
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 362 (1993), S. 701-702 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] RADIOACTIVE decay has left its mark on the isotopic features of the Earth's rocks. With certain assumptions, these features can be used to infer the age of geochemical events that fractionated the parent (radioactive) from daughter (stable) isotope. Application of these of the Earth's interior. How ...
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 359 (1992), S. 16-17 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] THE chemical composition of molten rock that erupts at the Earth's surface differs from that of the source rock, reflecting the influence of a series of processes that alter the liquid as it forms, migrates and emerges. The least under-stood of these processes occurs during transport of the magma ...
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 305 (1983), S. 390-390 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A RECENT paper by Anne Hofmeister in Journal of Geophysical Research1 presents a model for the evolution of a terrestrial magma ocean created by heat from the impact of accreting planetesimals. Magma ocean models were applied to the Moon almost immediately after the first samples were returned by ...
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 344 (1990), S. 209-215 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The Earth's mantle is undergoing subsolidus thermal convection, driven by internal radiogenic heat sources and heat conducted from the outer core. Seismic tomographic images reveal a large-scale pattern of convection in the upper mantle compatible with surface plate motions, demonstrating the ...
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 358 (1992), S. 20-21 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] SCATTERED about the continents, eight distinct regions have experienced floods of basaltic volcanism in the past 250 million years. These flood basalt pro-vinces are marked by eruptions of as much as a million cubic kilometres of lava over just a couple of million years or less. Trace-element and ...
    Type of Medium: Electronic Resource
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