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The Ar-Ar ages from the West Sudetes (NE Bohemian Massif): constraints on the Variscan polyphase tectonothermal development.

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985831%3A_____%2F02%3A09023218" target="_blank" >RIV/67985831:_____/02:09023218 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    The Ar-Ar ages from the West Sudetes (NE Bohemian Massif): constraints on the Variscan polyphase tectonothermal development.

  • Original language description

    The polyphase Variscan tectonothermal development of the West Sudetes (NE margin of the Bohemian Massif) was precised by 40Ar/39Ar ages. Late Famennian (359 Ma) mica ages from the high-grade Góry Sowie Block suggest continuous uplift after a Late Devonian HT-LP event contemporaneous with the end of subduction-related HP-LT metamorphism in the East Krkonoše Complex. (Mid-)/Late Devonian HP-events in the Krkonoše-Jizera Terrane and Orlica-ĺnie nik Dome are followed by coeval HT-events between 345 and 335Ma (Visean). The latter are interpreted as consequence of uplift, and decompression during overthrusting of both complexes on their forelands. Subsequent small- to large-scale shear movements dated at around 325-320 Ma (early Namurian) affected the WestSudetes and were accompanied by contemporaneous emplacement of the Krkonoše-Jizera pluton. The upper limit of the tectonometamorphic and magmatic activity is dated at 314-312 Ma (Namurian/Westphalian boundary). The final juxtaposition of

  • Czech name

  • Czech description

Classification

  • Type

    C - Chapter in a specialist book

  • CEP classification

    DB - Geology and mineralogy

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/IAA3111102" target="_blank" >IAA3111102: Pre-Variscan and Variscan tectonomagmatic development of the West Sudetes: the Ještěd Range Unit as an example</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2002

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Book/collection name

    Palaeozoic Amalgamation of Central Europe.

  • ISBN

    1-86239-118-1

  • Number of pages of the result

    23

  • Pages from-to

    133-155

  • Number of pages of the book

  • Publisher name

    Geological Society of London

  • Place of publication

    London

  • UT code for WoS chapter