Podrobnosti záznamu

Název
    The Brunovistulian: Avalonian Precambrian sequence at the eastern end of the Central European Variscides?
Údaj o odpovědnosti
    Friedrich Finger, Pavel Hanžl, C. Pin, Von Quadt, H.P. Steyrer
Další názvy
    Orogenic Processes: Quantification and Modelling in the Variscan Belt (Variant.)
Autor
    Finger, Friedrich
    Hanžl, Pavel
    Pin, Christian
    Quadt, A. von
    Steyrer, H. P.
Jazyk
    anglicky
Zdrojový dokument - seriál
    Geological society special publication
Svazek/č.
    Vol. 179
Strany
    p. 103-112
Rok
    2000
Poznámky
    3 obr., 1 tab., 3 s.bibl.
    Zkr. název ser.: Geol. Soc. spec. Publ. (London).
Předmětová skupina
    brunovistulikum
    Český masiv
    geochronologie
    Gondwana
    granitoidy
    kambrium
    kolize desek
    metamorfika
    metamorfóza
    proterozoikum
    terán
    vrásnění kadomské
Geografické jméno
    Brno
    ČR-Morava
    Jablunkov (Frýdek-Místek)
    Lubná (Kroměříž)
    Mikulov (Břeclav)
    Rakousko-Niederösterreich
    Rusava (Kroměříž)
    Slavkov u Brna (Vyškov)
    Stupava (Uherské Hradiště)
    Vlkoš (Přerov)
    Znojmo
Klíčové slovo
    Avalonian
    Brunovistulian
    Central
    Eastern
    End
    European
    Precambrian
    Sequence
    Variscides
Abstrakt (anglicky)
   An outline is presented of the present state of reseach on the Precambrian evolution history of the Brunovistulian, a large (30 000 km2), mainly sediment covered Peri-Gondwana basement block at the eastern end of the Central European variscides. On the basis of recent chemical, isotopic and geochronological data it is argued that the eastern half of the Brunovistulian (Slavkov Terrane) originated in an island-arc environment, documenting the rare case of Neoproterozoic crustal growth in central Europe. The western half of the Brunovistulian, the Thaya terrane, includes more mature, recycled cratonic material and is considered to have been originally part of the Neoproterozoic Gondwana continent margin. A phase of regional metamorphism at c. 600 Ma, followed by extensive granitoid plutonism, probably marks the stage when the Slavkov Terrane was accreted to the Thaya Terrane by arc-collision.
   A belt of metabasites, which is intercalated between the two terranes, may represent relics of the incipient arc or a back-basin. A comparison of geochronological data shows that the timing of geological events recorded in the Brunovistulian does not correlate with the evolution history of the Cadomian crust in the Teplá-Barrandian zone and the Saxo-Thuringian belt. This supports the theory that the Brunovistulian is not part of Armorica but derived from a different sector of the Neoproterozoic Gondwana margin. A correlation with the Avalonian superterrane appears feasible
Přispěvatel
    Česká geologická služba
Kód přispěvatele
    ČGS (UNM)
Zdrojový formát
    U
Datum vložení
    30. 4. 2007
Datum importu
    8. 8. 2012