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  • Nature Publishing Group  (2)
  • Blackwell Publishing Ltd  (1)
  • Boulder : The Geological Society of America  (1)
  • American Journal of Science (AJS)
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Language
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  • 1
    Series available for loan
    Series available for loan
    Boulder : The Geological Society of America
    Associated volumes
    Call number: S 90.0095(158)
    In: Special paper
    Type of Medium: Series available for loan
    Pages: 82 S.
    ISBN: 081372158X
    Series Statement: Special paper / Geological Society of America 158
    Language: English
    Location: Lower compact magazine
    Branch Library: GFZ Library
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  • 2
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 260 (1976), S. 693-694 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Tectonic analogies between the modern central Andes and the US Cordillera of Mesozoic and earliest Tertiary age have been discussed by Hamilton5,6, James7, and others. The Andes, a chain characterised by voluminous magmatic activity, are bounded on the west by the Peru?Chile trench, a zone of ...
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 295 (1982), S. 464-464 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Geology of the Continental Margins. By G. Boillot. Pp.115. ISBN 0-582-30036-3. (Longman: 1981.) £4.95, $11.95. Geotectonics. By V.V. Beloussov. Pp.330. ISBN 0-387-09173-4. (Springer-Verlag: 1980.) DM48, $28.40. Tectonics and Landforms. By Cliff Oilier. Pp.324. Hbk ISBN ...
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1525-1314
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: Abstract Geological relationships and geochronological data suggest that in Miocene time the metamorphic core of the central Himalayan orogen was a wedge-shaped body bounded below by the N-dipping Main Central thrust system and above the N-dipping South Tibetan detachment system. We infer that synchronous movement on these fault systems expelled the metamorphic core southward toward the Indian foreland, thereby moderating the extreme topographic gradient at the southern margin of the Tibetan Plateau. Reaction textures, thermobarometric data and thermodynamic modelling of pelitic schists and gneisses from the Nyalam transect in southern Tibet (28°N, 86°E) imply that gravitational collapse of the orogen produced a complex thermal structure in the metamorphic core. Amphibolite facies metamorphism and anatexis at temperatures of 950 K and depths of at least 30 km accompanied the early stages of displacement on the Main Central thrust system. Our findings suggest that the late metamorphic history of these rocks was characterized by high-T decompression associated with roughly 15 km of unroofing by movement on the South Tibetan detachment system. In the middle of the metamorphic core, roughly 7–8 km below the basal detachment of the South Tibetan system, the decompression was essentially isothermal. Near the base of the metamorphic core, roughly 4–6 km above the Main Central thrust, the decompression was accompanied by about 150 K of cooling. We attribute the disparity between the P–T paths of these two structural levels to cooling of the lower part of the metamorphic core as a consequence of continued (and probably accelerated) underthrusting of cooler rocks in the footwall of the Main Central thrust at the same time as movement on the South Tibetan detachment system.
    Type of Medium: Electronic Resource
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