Avalonian and Cadomian terranes in North Dobrogea, Romania

The North Dobrogea orogen is a collage of dismembered terrane fragments between the Moesian platform and East European craton (Baltica). It records Alpine and Variscan deformation, magmatism and metamorphism. Its basement comprises three metamorphic complexes (Boclugea, Megina and Orliga) that are s...

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Bibliographic Details
Published in:Precambrian research 2010-10, Vol.182 (3), p.217-229
Main Authors: Balintoni, Ion, Balica, Constantin, Seghedi, Antoneta, Ducea, Mihai N.
Format: Article
Language:English
Subjects:
Boclugea and Orliga complexes
Detrital zircon ages
North Dobrogea
Terrane provenance
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Description
Summary:The North Dobrogea orogen is a collage of dismembered terrane fragments between the Moesian platform and East European craton (Baltica). It records Alpine and Variscan deformation, magmatism and metamorphism. Its basement comprises three metamorphic complexes (Boclugea, Megina and Orliga) that are separated by tectonic boundaries. Detrital zircon U/Pb ages suggest the Boclugea and Orliga complexes represent two peri-Gondwanan terranes of Avalonian and Cadomian affinities, respectively. The new data clarify the original relationships between the North Dobrogea terranes, and Baltica and Moesia platform.
ISSN:0301-9268
1872-7433
DOI:10.1016/j.precamres.2010.08.010