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  • 1
    Electronic Resource
    Electronic Resource
    Inflation: From Theory To Observation and Back (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 759 (1995), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1995.tb17521.x
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  • 2
    Electronic Resource
    Electronic Resource
    The anatomy of an early Dinantian terraced floodplain: palaeo-environment and early diagenesis (1991)
    Oxford, UK : Blackwell Publishing Ltd
    Sedimentology 38 (1991), S. 0 
    Details
    ISSN: 1365-3091
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: The lowermost Carboniferous rocks in the Cockburnspath area of east Berwickshire (southern Scotland) are interpreted as coastal floodplain sediments. A lower mudstone-dominated unit is composed of silty mudstones and shales with subordinate sandstones and argillaceous ferroan dolomites (cementstones). These are interpreted as distal floodplain sediments with periodic crevasse-splay deposition. The dark grey colour of the mudrocks suggests deposition in reducing conditions, probably in floodplain lakes. Most of the cementstones are concretionary, some with septarian cracks, suggesting an early diagenetic origin. An immature palaeosol suggests periodic pedogenesis under improved drainage. A synsedimentary erosion surface indicates incision of a valley into the floodplain, presumably in response to base-level lowering.An upper sandstone-dominated unit starts with fine-grained rippled sandstones, cut by small channel sandstones. These are interpreted as floodplain lake deposits fed by crevasse channels. A distinctive conglomerate with cementstone clasts, wood fragments and fish remains is interpreted as a major overbank deposit, dumped into a pre-existing floodplain lake. A bivalve fauna was established in the overlying mudstones, followed by a thin limestone with a restricted marine fossil assemblage, showing that seawater flooding of the lakes occurred at times.Mudrocks throughout the sequence contain no pyrite, except for the marine band which has an organic-carbon/sulphur ratio and degree of pyritization value typical of marine sediments. The concretionary cementstones have δ13C values around —4 to —6%0/00 PDB which are interpreted as indicative of anaerobic oxidation of organic matter. The combined geochemical data suggest a significant involvement of iron reduction in cementstone formation, although the δ13C values are ambiguous in assessing the relative involvement of methanogenesis and methane oxidation. Limited seawater inundation of the floodplains might have supplied magnesium and calcium ions for dolomite formation assuming that any H2S derived as a result of sulphate reduction was oxidized by iron reduction. Alternatively a weathering source for solutes might have been involved.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3091.1991.tb01260.x
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  • 3
    Electronic Resource
    Electronic Resource
    Big Bang Nucleosynthesis (1984)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 422 (1984), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1984.tb23345.x
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  • 4
    Electronic Resource
    Electronic Resource
    Monopoles, Cosmology, and Astrophysics—Update 1985 (1986)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 461 (1986), S. 0 
    Details
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1749-6632.1986.tb52443.x
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  • 5
    Electronic Resource
    Electronic Resource
    Could primordial black holes be the source of the cosmic ray antiprotons? (1982)
    [s.l.] : Nature Publishing Group
    Nature 297 (1982), S. 379-381 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Cosmic-ray protons are generally believed to traverse 5 g cm"2 during their life in the Galaxy. Cosmic-ray proton collisions with the interstellar gas are therefore predicted to produce an p flux of p/p ? 2 x 104 for p kinetic energies above a few GeVs. The predicted p/p ratio falls very steeply ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/297379a0
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  • 6
    Electronic Resource
    Electronic Resource
    The inflationary Universe—birth, death and transfiguration (1982)
    [s.l.] : Nature Publishing Group
    Nature 298 (1982), S. 801-805 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] A number of exciting new experimental and theoretical developments have recently made a dramatic impact on the interdisciplinary study of cosmology and elementary particle physics. The Nuffield Foundation recently sponsored a 3-week workshop in Cambridge where theoreticians worked intensively on ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/298801a0
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  • 7
    Electronic Resource
    Electronic Resource
    Is our vacuum metastable? (1982)
    [s.l.] : Nature Publishing Group
    Nature 298 (1982), S. 633-634 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] At finite temperature, the free energy tends to be minimized in phases which contain light particles. Therefore, we expect that in general, at extremely high temperatures the thermody-namically favoured phase is the symmetric one which contains the most massless particles. Assuming that very near ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/298633a0
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  • 8
    Electronic Resource
    Electronic Resource
    The shadow world of superstring theories (1985)
    [s.l.] : Nature Publishing Group
    Nature 314 (1985), S. 415-419 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Recent attempts to construct a superstring theory that unifies all the interactions of nature, including gravity, in a finite anomaly-free quantum theory have led to the speculation that there may exist another form of matter (‘shadow matter’) in the Universe, which only interacts with ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/314415a0
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  • 9
    Electronic Resource
    Electronic Resource
    The end may be hastened by magnetic monopoles (1983)
    [s.l.] : Nature Publishing Group
    Nature 306 (1983), S. 161-162 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] GUTs not only predict the instability of the proton, but also usually predict the existence of stable, superheavy magnetic monopoles. In 1974 't Hooft8 and Polyakov9 showed that when a semi-simple group G breaks down to a smaller group G' which contains a U(l) factor there exist stable, topological ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/306161a0
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  • 10
    Electronic Resource
    Electronic Resource
    Obituary David N. Schramm (1945-97) (1998)
    [s.l.] : Macmillan Magazines Ltd.
    Nature 391 (1998), S. 444-444 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] ... David N. Schramm thought big. Twenty-five years ago, few shared his optimism about cosmology, whereas today most cosmologists speak of a golden age. The standard hot Big-Bang model already accurately describes the Universe from the time it was 0.01 seconds old; and the future is also promising, ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/35044
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