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  • 1
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 196 (1962), S. 882-883 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Roche2 has examined the polarity of samples in the well-dated Quaternary sequence of France, and has observed that the directions of magnetization of the rocks show two distinct groupings, the younger rocks having directions parallel to the present Earth's magnetic field, and the older rocks having ...
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 261 (1976), S. 304-305 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] There seems to be a misunderstanding of the fundamental evidence against a northerly derivation of this micro-continent. The argument does not depend on the matching of coastlines, marine incursions and so forth, as such arguments are rarely diagnostic. In this particular case, the presence of ...
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 218 (1968), S. 1043-1044 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The well defined lava sequence in the Faeroes, long accepted by geologists as of early Tertiary formation, seemed to afford an opportunity to extend the Tertiary record of reversals of the Earth's magnetic field4; to determine the magnitude of geomagnetic secular variations5; and to add to our ...
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 200 (1963), S. 54-56 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] PERIODICITY of reversal of the Earth's magnetic field is of some geophysical and geological interest. Study of the polarity of the Earth's field throughout geological time provides much information relating to the origin of the field, and the stratigraphical zonation of polarities in rock sequences ...
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Geophysical journal international 127 (1996), S. 0 
    ISSN: 1365-246X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: Spectral analyses of several published magnetic anomaly profiles from Candé & Kent (1992a) were undertaken prior to analysing, in the same way, raw magnetic anomaly data from similar parts of the South Atlantic. It was found that similar and distinct medium and short wavelengths were present in both the published and raw data. When these are converted into the time domain using the average rate of spreading for each profile, these periodicities appear similar, possibly identical, to those expected from the long-term eccentricity orbital parameters (Fischer, DeBoer & Premoli Silva 1990). While such correlations are not necessarily causative, they suggest that magnetohydro-dynamical processes near the core-mantle boundary may be affected by gravitational changes due to planetary orbital perturbations.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Geophysical journal international 125 (1996), S. 0 
    ISSN: 1365-246X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: The Gordon, Cox & O'Hare (1984) method has been used for deriving ‘small-circle’ arcs for a series of independently determined apparent polar-wander paths. the ‘small-circle’ approach is considered physically sensible, but unfortunately still requires excessive subjective ‘assistance’ to select the most plausible Euler poles and Euler colatitudes, particularly when there is little relative motion between the continent and the pole. None the less, polar-wander paths can be divided into prolonged ‘tracks’ separated by brief ‘cusps’. the cusps can be associated with particular tectonic events within the continent or groups of continents. This technique thus has the potential for providing a more geophysically realistic definition of apparent polar-wander paths that can be used to help identify non-Gaussian errors in palaeomagnetic data. In addition, the sharpness of most cusps provides a precise age for the onset or cessation of particular tectonic events. the simultaneous occurrence of such cusps in more than one continent also enables an assessment of the global importance of such events.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 313 (1985), S. 75-75 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] DOWNEY AND TARLING REPLY-Our results are an example of scientific serendipity, that is, the collection was undertaken assuming the volcanological consensus of a single eruption and the archaeological views of a single late Minoan IB (LMIB) destruction. We originally accepted Bond and Sparks' ...
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 313 (1985), S. 76-76 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We agree with most of the comments of Liritzis. The palaeointensity observations are subject to a range of errors, therefore we quoted these observations as supporting the directional evidence, rather than using them as primary indicators of age differences. We also concur with his comments ...
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 309 (1984), S. 519-523 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Archaeomagnetic dating on the Minoan ash horizons of the Santorini volcano and on fired destruction levels at late Minoan sites on Crete demonstrates that the basal (Plinian) air-fall ash of the first ‘Minoan’ pumice is contemporaneous with the destruction levels on central Crete, while ...
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Fig. 1 Location of the Torregaveta (A) and Acquamorta (B) outcrops. The arrow indicates palaeoflow directions as indicated by the magnetic fabric. The suspected source, on geological grounds4, is near Procida, indicated by the dashed circle. The volcanic activity in the Phlegrean Fields developed ...
    Type of Medium: Electronic Resource
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