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Paleozoic tectonostratigraphic units of the northwest and central Dinarides and the adjoining South Tisia (CROSBI ID 98438)

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Jurković, Ivan ; Pamić, Jakob Paleozoic tectonostratigraphic units of the northwest and central Dinarides and the adjoining South Tisia // International journal of earth sciences, 91 (2002), 3; 538-554-x

Podaci o odgovornosti

Jurković, Ivan ; Pamić, Jakob

engleski

Paleozoic tectonostratigraphic units of the northwest and central Dinarides and the adjoining South Tisia

In the Central Dinarides and South Tisia different Paleozoic complexes occur in four geotectonic zones: (1) comparatively autochthonous units located in the cores of disrupted anticlines of the External Dinarides ; (2) allochthonous disrupted units accompanied by more predominant Triassic formations in the Sava Nappe, which is thrust onto the northeastern margin of the External Dinarides ; (3) allochthonous disrupted units, also together with Triassic formations, in the Pannonian and Durmitor nappes of the Internal Dinarides ; and (4) polymetamorphic sequences in basement of the Pannonian Basin and South Tisia, respectively. This paper presents basic geological features for the main Paleozoic areas included in these four zones. The tectonostratigraphic units of the first two zones were related to the Gondwana passive continental margin, those of the third zone to the Paleotethyan oceanic realm, and those of Tisia to the active Laurussia margin. Geodynamic evolution of all these Paleozoic complexes was related to opening and closure of the Rheic and Paleotethys Oceans. Rifting processes along North Gondwana started in the Silurian, locally in the Cambrian-Ordovician, and were followed by the Late Silurian/Devonian opening of the Paleotethys. Subduction processes were active by the end of the Devonian and at the beginning of the Carboniferous along the Laurussia margin. They were followed during the Westphalian by main Variscan deformation during collision of Gondwana and Laurussia. Associated metamorphism was very low-grade in the Paleozoic units of the Sava Nappe, low-grade to epidote-amphibolite grade within the Paleozoic complexes of the Pannonian and Durmitor nappes in the Internal Dinarides, and poly-metamorphic with migmatites and granitoids in South Tisia. These processes gave rise to a Pangea stage with the Variscan basement disconformably overlain by Late Carboniferous and Permian sediments.

Back-arc basin - Dinarides-South Tisia - Paleotethys platform - Transpression - Variscan cycle

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Podaci o izdanju

91 (3)

2002.

538-554-x

objavljeno

1437-3254

Povezanost rada

Geologija

Indeksiranost