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ČeštinaEnglish

Model of syn-convergent extrusion of orogenic lower crust in the core of the Variscan belt: implications for exhumation of high-pressure rocks in large hot orogens

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00025798%3A_____%2F11%3A00000014" target="_blank" >RIV/00025798:_____/11:00000014 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216208:11310/11:10108162

  • Result on the web

    —

  • DOI - Digital Object Identifier

    —

Alternative languages

  • Result language

    angličtina

  • Original language name

    Model of syn-convergent extrusion of orogenic lower crust in the core of the Variscan belt: implications for exhumation of high-pressure rocks in large hot orogens

  • Original language description

    Reflection seismic section, field structural analysis and gravimetric modelling of orogenic lower crust in the core of a Carboniferous orogenic root reveal details of the polyphase process of exhumation. Surface exposures of granulites coincide with theabsence of subhorizontal seismic reflectors at depth, suggesting preservation of the 20 km wide subvertical tabular structure reaching Moho depths. Horizontal seismic reflectors surrounding the vertical channel structure corroborate a dominant flat migmatitic fabric developed in all tectonic units. The horizontal mid-crustal flow resulted in collapse of the supra-crustal Teplá -Barrandian Unit (interpreted as the orogenic lid) along a large-scale crustal detachment above the extruded lower crustal dome.The presence of felsic granulites at the bottom of the orogenic root is considered to be a key factor controlling the exhumation of orogenic lower crust in large hot orogens.

  • Czech name

    —

  • Czech description

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Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    DB - Geology and mineralogy

  • OECD FORD branch

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Result continuities

  • Project

    —

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2011

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Journal of Metamorphic Geology

  • ISSN

    0263-4929

  • e-ISSN

    —

  • Volume of the periodical

    29

  • Issue of the periodical within the volume

    —

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    26

  • Pages from-to

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  • UT code for WoS article

    —

  • EID of the result in the Scopus database

    —

Similar results(10)

Vertical extrusion and horizontal channel flow of orogenic lower crust: key exhumation mechanisms in large hot orogens?A geophysical model of the Variscan orogenic root (Bohemian Massif):Implications for modern collisional orogensStructural and metamorphic record of exhumation of the thickened lower crust in the hot orogenic root (Bohemian Massif).