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  • 1
    Monograph available for loan
    Monograph available for loan
    Chichester [u.a.] : Wiley
    Call number: 9/M 95.0516
    Type of Medium: Monograph available for loan
    Pages: xiv, 526 S.
    Edition: 3rd ed.
    ISBN: 0471917397
    Classification:
    Tectonics
    Language: English
    Location: Reading room
    Branch Library: GFZ Library
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  • 2
    Monograph available for loan
    Monograph available for loan
    Chichester [u.a.] : Wiley
    Call number: G 7864
    Type of Medium: Monograph available for loan
    Pages: XVIII, 385 S. : graph. Darst., Kt.
    Edition: Repr.
    ISBN: 0471994758
    Location: Upper compact magazine
    Branch Library: GFZ Library
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  • 3
    Call number: 9/MR 90.1102 ; MR 90.1103 ; M 93.0055/1
    In: Developments in precambrian geology
    Type of Medium: Monograph available for loan
    Pages: VIII, 406 S. : graph. Darst.
    Series Statement: Developments in precambrian geology 1
    Language: English
    Location: Reading room
    Location: Upper compact magazine
    Location: Upper compact magazine
    Branch Library: GFZ Library
    Branch Library: GFZ Library
    Branch Library: GFZ Library
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  • 4
    Call number: M 93.0116
    Type of Medium: Monograph available for loan
    Pages: IX, 619 S. : Ill.
    ISBN: 0471014885
    Language: English
    Location: Upper compact magazine
    Branch Library: GFZ Library
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  • 5
    Monograph available for loan
    Monograph available for loan
    Chichester [u.a.] : Wiley
    Call number: M 93.0114
    Type of Medium: Monograph available for loan
    Pages: XX, 399 S.
    Edition: 2nd ed., repr. with corr.
    Language: English
    Location: Upper compact magazine
    Branch Library: GFZ Library
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  • 6
    Description / Table of Contents: The North China craton is the only known place where an Archaean craton with a thick tectospheric root lost half of that root in younger tectonism by processes such as delamination, convection, hydration-weakening, compositional change or some other mechanism. In this volume, authors provide data constraining the geometry and timing of root loss, aimed at understanding why and how continental roots are lost in general. Modelling how often this process may have occurred in the geological past, and how much lithospheric material has been recycled to the convecting mantle through this mechanism, could drastically change our current understanding of crustal growth rates and processes. Possible triggering mechanisms for root loss include collision of the South China (Yangtze) and North China cratons in the Triassic, the India–Asia collision, closure of the Solonker and Monhgol–Okhotsk oceans, Mesozoic subduction of the Pacific Plate beneath eastern China, impingement of mantle plumes, mantle hydration from long-term subduction and several rifting events. In this volume, we link studies of crustal tectonics with investigations aimed at determining the nature of and timing of the formation and loss of the root, in order to better-understand mechanisms of continental root formation, evolution and recycling/removal.
    Pages: Online-Ressource (VII, 352 Seiten)
    ISBN: 9781862392250
    Language: English
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  • 7
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 263 (1976), S. 383-385 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Major Proterozoic high grade linear belts are broadly conformable and sub-parallel to Archaean trends. Some are marginal to Archaean cratons, others intracratonic. All belong to a major set extending across the middle to late Proterozoic supercontinent. They are broadly contemporaneous with hairpin ...
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 226 (1970), S. 333-335 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The areas in the world where these Group III anorthosites occur are (Fig. 1): (1) West Greenland69, (2) Southeast Greenland10, (3) North Lewis, Scotland11, (4) Messina/ Soutpansberg, Rhodesia12,13, (5) Sakeny, Madagascar14, (6) Sittampundi, Madras, India15, and (7) Kondapalli, India16. The rocks ...
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1525-1314
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: Sapphirine occurs in a 3-5 m wide zone between amphibole-lherzolite and garnetiferous metagabbro at Finero in the Ivrea Zone, NW Italian Alps. Layers consisting of plag + hb + sa + cpx + opx + sp + gt are interbanded with spinel pyroxenites, which may contain sapphirine replacing spinel. All minerals are very magnesian, with XMg between 0.78 and 0.92. Bulk rock analyses suggest that precursors to the sapphirine-bearing rocks were igneous cumulates of plagioclase + olivine + hornblende + spinel. Up to 16wt% CaO does not inhibit sapphirine formation and it is the unusually Mg-rich nature of the host rocks which allows sapphirine development. The early igneous assemblage was replaced by one of cpx + sa + hb +± plag at a pressure of 9 ± 1 kbar and temperatures of 900 ± 50°C. Subsequent rapid uplift caused the instability of gt, gt + hb, hb and sa + cpx to form opx + plag ± sp ± sa symplectites.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    International journal of earth sciences 56 (1967), S. 1020-1026 
    ISSN: 1437-3262
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Description / Table of Contents: Abstract In his recent classification of anorthosites,Berrange(1966) has interpreted the West Greenland anorthosites as orognic-plutonic types. However, recent work has shown that in the central high-grade region of Fiskenaesset nearly all the anorthosite horizons have intense chromite layering. The anorthosites have been metamorphosed under granulite facies conditions and subsequently downgraded. The conclusions are made that the West Greenland anorthosites as a whole should be classified as pre-orogenic stratiform types and that most of the present features are of secondary origin and should not be confused with those of the orogenic-plutonic association.
    Abstract: Résumé Dans sa classification récente des anorthosites,Berrangé (1966) a interprété les anorthosites du Groenland occidental comme appartenant au genre orogénique-plutonique. Des récents travaux ont cependant montré que presque tout les horizons d'anorthosite dans la région centrale gneissique de Fiskenaesset possèdent de nombreuses intercalations de chromite. Les anorthosites ont été métamorphosées sous des conditions de faciès granulitique et par la suite ont subi un métamorphisme rétrograde. Pour conclure, il semble que les anorthosites du Groenland occidental en général doivent être classifiées comme étant du genre pré-orogénique stratiforme, et que la majorité des caractéristiques actuelles sont d'origine secondaire et ne doivent pas être confondues avec celles des associations orogéniques-plutoniques.
    Notes: Zusammenfassung In seiner neuesten Klassifikation der Anorthosite hatBerrangé (1966) die west-grönländischen Anorthosite als orogen-plutonische Typen interpretiert. Neueste Studien haben jedoch gezeigt, daß in den zentralen, hochmetamorphen Gebieten von Fiskenaesset fast alle Anorthosite zahlreiche Chromiteinlagerungen aufweisen. Die Anorthosite sind unter Granulit-Fazies metamorphisiert und anschließend diaphthoritisch überprägt worden. Man kann daraus folgern, daß die west-grönländischen Anorthosite im Ganzen als präorogene, schichtige Typen zu klassifizieren sind und daß die meisten der heutigen Merkmale sekundären Ursprungs sind, und nicht mit den orogen-plutonischen Anorthositen verwechselt werden dürfen.
    Type of Medium: Electronic Resource
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