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

Szilvia Kövér, J. Haas, Péter Ozsvárt, Ágnes Görög, Annette Götz, Sándor Józsa

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)351-379
Number of pages29
JournalGeologica Carpathica
Volume60
Issue number5
DOIs
Publication statusPublished - Oct 1 2009

Fingerprint

olistostrome
marl
lithofacies
Jurassic
tectonics
limestone
Bajocian
basin
Triassic
sediment
nappe
depositional environment
clast
subduction
submarine slope
Norian
Bathonian
Callovian
microfacies
spicule

Keywords

  • Foraminifera
  • Jurassic
  • Mass-flows
  • Microfacies
  • Neotethys
  • Palynomorphs
  • Radiolaria
  • Subduction-related complex

ASJC Scopus subject areas

  • Geology

Cite this

Lithofacies and age data of Jurassic foreslope and basin sediments of Rudabánya Hills (NE Hungary) and their tectonic interpretation. / Kövér, Szilvia; Haas, J.; Ozsvárt, Péter; Görög, Ágnes; Götz, Annette; Józsa, Sándor.

In: Geologica Carpathica, Vol. 60, No. 5, 01.10.2009, p. 351-379.

Research output: Contribution to journalArticle

Kövér, Szilvia ; Haas, J. ; Ozsvárt, Péter ; Görög, Ágnes ; Götz, Annette ; Józsa, Sándor. / Lithofacies and age data of Jurassic foreslope and basin sediments of Rudabánya Hills (NE Hungary) and their tectonic interpretation. In: Geologica Carpathica. 2009 ; Vol. 60, No. 5. pp. 351-379.
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