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Metamorphic Facies and Deformation Fabrics Diagnostic of Subduction: Insights From 2D Numerical Models

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00025798%3A_____%2F21%3A00000234" target="_blank" >RIV/00025798:_____/21:00000234 - isvavai.cz</a>

  • Result on the web

    <a href="https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2021GC009899" target="_blank" >https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2021GC009899</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1029/2021GC009899" target="_blank" >10.1029/2021GC009899</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Metamorphic Facies and Deformation Fabrics Diagnostic of Subduction: Insights From 2D Numerical Models

  • Original language description

    We developed a 2D numerical model that simulates the evolution of a subduction in order to analyze which different metamorphic facies and deformation fabrics can be recorded within a subduction complex and whether the subduction velocity can influence their distribution. Regions with pressure and temperature (P-T) conditions characteristic of different metamorphic facies have been explored in the different domains of the subduction system to verify the existence of associations that may result as diagnostic of specific areas of the subduction system at different times. Distribution patterns of strain rates and relative deformation fabrics have also been investigated to verify whether they can be recorded under different metamorphic facies conditions. Our results show that three domains characterized by contrasting metamorphic conditions can be simultaneously observed in different regions of the subduction complex, in contrast with the widespread idea that different metamorphic series are representative of peculiar geodynamic scenarios, but in agreement with the commonly observed coexistence of contrasted P-T conditions in orogenic belts. In addition, we verified that mylonitic fabrics can develop more frequently in metamorphic facies characterized by high Pressure/Temperature (P/T) ratios, while coronitic fabric can be better preserved in metamorphic facies with low-to-medium P/T ratios.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10505 - Geology

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2021

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Geochemistry Geophysics Geosystems

  • ISSN

    1525-2027

  • e-ISSN

  • Volume of the periodical

    22

  • Issue of the periodical within the volume

    10 : e2021GC009899

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    26

  • Pages from-to

    nestránkováno

  • UT code for WoS article

    000711973000021

  • EID of the result in the Scopus database

    2-s2.0-85117051600