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Variscan magmatic evolution of the Strandja Zone (Southeast Bulgaria and northwest Turkey) and its relationship to other north Gondwanan margin terranes

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cris.lastimport.scopus2024-02-12T20:33:19Z
dc.abstract.enThe Strandja Zone, straddling the border between Bulgaria and Turkey, is often assigned to either the Balkanide or the Pontide thrust belts of the Alpine orogen in the Black Sea region. Previous studies have considered this zone, which originated on the North Gondwanan margin, as part of a Late Carboniferous to Triassic magmatic arc associated with the subduction of the Paleo-Tethys Ocean beneath Eurasia. Magmatism has been regarded as representing one continuous or two separate stages occurring under different tectonic settings. We present new LA-ICP-MS U-Pb zircon ages together with field, petrographic and geochemical studies of variably deformed granites from the Sakar Batholith and Levka Pluton of the Sakar Unit in the Strandja Zone. The new U-Pb ages from Sakar Batholith (ca. 306 Ma) and Levka Pluton (ca. 319 Ma) demand a re-evaluation of previously published U-Pb crystallisation ages from these magmatic bodies. The U-Pb age reported for the Levka Pluton also provides an upper age limit for the timing of Variscan metamorphism. The Late Carboniferous to Early Permian magmatic evolution of the Strandja Zone displays a strong resemblance to that of the Sredna Gora Zone. Both units, probably together with Serbo-Macedonian Metamorphic Complex and Sakarya Zone, were part of the metamorphic core of the Variscan Orogen.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorSałacińska, Anna
dc.contributor.authorGerdjikov, Ianko
dc.contributor.authorKounov, Alexandre
dc.contributor.authorChew, David
dc.contributor.authorDrakou, Foteini
dc.contributor.authorMarciniak-Maliszewska, Beata
dc.contributor.authorKocjan, Izabela
dc.contributor.authorGumsley, Ashley
dc.contributor.authorSzopa, Krzysztof
dc.date.accessioned2024-01-26T11:45:46Z
dc.date.available2024-01-26T11:45:46Z
dc.date.copyright2022-04-30
dc.date.issued2022
dc.description.accesstimeAT_PUBLICATION
dc.description.financePublikacja bezkosztowa
dc.description.versionFINAL_PUBLISHED
dc.description.volume109
dc.identifier.doi10.1016/J.GR.2022.04.013
dc.identifier.issn1342-937X
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/124556
dc.identifier.weblinkhttps://www.sciencedirect.com/science/article/pii/S1342937X22001241
dc.languageeng
dc.pbn.affiliationearth and related environmental sciences
dc.relation.ispartofGondwana Research
dc.relation.pages253-273
dc.rightsCC-BY
dc.sciencecloudnosend
dc.subject.enLevka Pluton
dc.subject.enSakar Batholith
dc.subject.enSakar Unit
dc.subject.enStrandja Zone
dc.subject.enU-Pb zircon dating
dc.titleVariscan magmatic evolution of the Strandja Zone (Southeast Bulgaria and northwest Turkey) and its relationship to other north Gondwanan margin terranes
dc.typeJournalArticle
dspace.entity.typePublication