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Geochemistry and Sr–Nd–Pb isotope characteristics of Miocene basalt–trachyte rock association in transitional zone between the Outer Western Carpathians and Bohemian Massif

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985831%3A_____%2F20%3A00534150" target="_blank" >RIV/67985831:_____/20:00534150 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216224:14310/20:00117225 RIV/00216305:26110/20:PU137691 RIV/41601670:_____/20:N0000024

  • Result on the web

    <a href="http://www.geologicacarpathica.com/browse-journal/volumes/71-5/article-960/" target="_blank" >http://www.geologicacarpathica.com/browse-journal/volumes/71-5/article-960/</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.31577/GeolCarp.71.5.6" target="_blank" >10.31577/GeolCarp.71.5.6</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Geochemistry and Sr–Nd–Pb isotope characteristics of Miocene basalt–trachyte rock association in transitional zone between the Outer Western Carpathians and Bohemian Massif

  • Original language description

    Representative samples covering all petrographic types of the Miocene subvolcanic (dykes and sills) basalt–trachyte rock association from the Uherský Brod area (UB, Moravia) in the Czech Republic were studied. The UB area is associated with the Klippen Zone in the neighbourhood of the contact of the Carpathian–Pannonian Block with the Bohemian Massif. The petrographic and geochemical features of the subvolcanic rocks from the UB area only partly resemble those of the calc-alkaline rocks in a similar structural position in the coeval Pieniny area in Poland as well as of the transitional calc-alkaline rocks from the Central Slovakian volcanic field. The Miocene subvolcanic rocks were generated by melting of the variably metasomatised sub-lithospheric source and subsequent fractional crystallisation of the primary basaltic magma. The compositional characteristics of this rock series straddle the alkaline and subalkaline volcanic rock fields, while the rocks from the Pieniny area and from the Central Slovakian volcanic field are predominantly calc-alkaline andesites. The distribution of incompatible elements such as U, Th, REE, Nb, Ta, Sr, Ba as well as LaN/YbN ratios and Sr–Nd–Pb isotope composition of the rocks from the UB and Pieniny areas differ substantially, whereas the geochemical patterns of the UB rocks are slightly similar to those of the transitional rocks from the Central Slovakian volcanic field. The modest contents of incompatible trace elements in the andesitic rocks from the Pieniny area share several characteristics of the prevalent calc-alkaline andesitic rocks from the Carpathian–Pannonian region. Basaltic–trachytic series from the UB area are characterised by higher ɛNd (~2.5) and lower 87Sr/86Sr (~0.704) and 207Pb/204Pb (~15.65) initial values in comparison with the calc-alkaline rocks from the Carpathian–Pannonian region including the Pieniny area. Nevertheless, the basaltic–trachytic rocks from the UB, richer in some of the incompatible trace elements (e.g., U, Th, REE, Sr and Ba) partly resemble (including Sr–Nd–Pb isotopes) the Na-alkaline Miocene volcanic rock series of the NE shoulder of the Cheb–Domažlice Graben in the Bohemian Massif.

  • 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

    <a href="/en/project/GX19-29124X" target="_blank" >GX19-29124X: EVOLUTION AND POST-EMPLACEMENT HISTORY OF CARBONATITES: IMPLICATIONS FOR THE MOBILITY AND CONCENTRATION OF CRITICAL METALS</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2020

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Geologica Carpathica

  • ISSN

    1335-0552

  • e-ISSN

  • Volume of the periodical

    71

  • Issue of the periodical within the volume

    5

  • Country of publishing house

    SK - SLOVAKIA

  • Number of pages

    36

  • Pages from-to

    462-482

  • UT code for WoS article

    000587510000006

  • EID of the result in the Scopus database

    2-s2.0-85100778808