12 research outputs found

    New paleomagnetic results from the Inner Dinarides, SW Serbia

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    As a result of the paleomagnetic co-operation between Hungarian and Serbian specialists in the last decades a paleomagnetic paper was published about the Fruška Gora (Lesić et al., 2007) and an other one about the magnetic fabrics of the intrusive and extrusive magmatic rocks of the Kopaonik area (Lesić et al., 2013). During more recent years several overstep sequences were tested from the Western Vardar zone. The aim of our present study was to find out if the units belonging to the Inner Dinarides rotated in the same sense as the overstep sequences or different rotations occurred. For that reason we sampled 12 localities within the research area. Five of which represent Late Cretaceous sediments in the area of Tara Mt., while the others geographically distributed Triassic and Jurassic succession. The sampled localities belong to different thrust sheets

    Lithofacies and age data of Jurassic foreslope and basin sediments of Rudabanya Hills (NE Hungary) and their tectonic interpretation

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    Jurassic sedimentary rocks of the Telekesvölgy Complex (Bódva Series), Telekesoldal Complex (Telekesoldal Nappe) and the Csipkés Hill olistostrome in Rudabánya Hills (NE Hungary) were sampled for microfacies studies and interpretation of the depositional environments. The Telekesvölgy Complex is made up of reddish to greenish marl, occasionally containing limestone olistoliths — gradually progresses from the Norian Hallstatt Limestone of the Bódva Series — then grey marl, which may correspond to the latest Triassic Zlambach Formation. This variegated marl progresses into grey marl and calcareous marl, containing crinoid fragments. It may be interpreted as a hemipelagic facies, relatively close to submarine highs. Bajocian to Lower Bathonian black shales, rich in radiolarians and sponge spicules representing typical deep pelagic facies, are also assigned to the Telekesvölgy Complex. The Telekesoldal Complex represents a mélange-like subduction-related complex that consists of black shales, sandstone turbidites and olistostrome beds, and deposited by gravity mass flows. A relatively deep marine basin in the proximity of a submarine slope is likely to be the depositional environment of this unit. The clasts of the olistostromes are predominantly Middle to Upper Triassic pelagic limestones, rhyolite and basalt. Subduction related nappe stacking of the ocean margin during the Middle to Late Jurassic may have created suitable conditions for this sedimentation pattern. Bajocian-Callovian age of the complex was proved by the revision of the radiolarian fauna and new palynological data, the first from the Jurassic of the Aggtelek-Rudabánya Hills. The Csipkés Hill olistostrome consists of carbonate turbidite beds containing Jurassic platform derived foraminiferal and olistostrome horizons with Middle-Upper Triassic limestone clasts of red Hallstatt facies

    Meliatic blueschists and their detritus in Cretaceous sediments: new data constraining tectonic evolution of the West Carpathians

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