Lofer Cycles of the Upper Triassic Dachstein Platform in the Transdanubian Mid-Mountains (Hungary)

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Lofer cycles are lagoonal-peritidal cycles that are characteristic of extremely thick and broad carbonate platforms along the margin of the Upper Triassic Tethys. In the Transdanubian Mid-Mountains borehole sections expose continuous sequences of the cyclic platform carbonates several hundred metres thick. Sedimentological investigations and statistical analyses have revealed that the cycles consist of symmetric and asymmetric sequences 2-5 m thick. The ideal cycle is fairly symmetric but many cycles are condensed or incomplete and truncated. The cycles are related to relatively small-scale sea-level variations, which has resulted in considerable lateral facies migrations on a wide, marginal carbonate platform. Periodicities are estimated to range between 20 and 40 ka, and are suggestive of orbital control.

Original languageEnglish
Title of host publicationInternational Association of Sedimentologists Series
PublisherWiley Blackwell
Pages303-322
Number of pages20
ISBN (Print)9781444304039, 9780632037360
DOIs
Publication statusPublished - Apr 29 2009

Keywords

  • Diagenetic processes controlled by sea level changes
  • Frequency of cycle types in sequences of carbonate platform
  • Lofer cycles of Triassic Dachstein platform
  • Markov analysis
  • Stacking patterns of various lithogenic units

ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)

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  • Cite this

    Haas, J. (2009). Lofer Cycles of the Upper Triassic Dachstein Platform in the Transdanubian Mid-Mountains (Hungary). In International Association of Sedimentologists Series (pp. 303-322). Wiley Blackwell. https://doi.org/10.1002/9781444304039.ch20