A Dachsteini Mészko{double acute} szedimentológiai jellegei és képzo{double acute}désének körülményei a Budai-hegységben

Translated title of the contribution: Sedimentological characteristics and genetic conditions of the Dachstein Limestone of oncoidal facies, based on studies in the Buda Hills, Hungary

Horváth Réka, J. Haas

Research output: Contribution to journalArticle

Abstract

A peculiar oncoid-bearing facies of the late Norian - early Rhaetian Dachstein Limestone was studied in outcrops and quarries in the Remete Hill and its surroundings in the north-eastern part of the Buda Hills. In the Late Triassic the Transdanubian Range was located at the western margin of the Neotethys Ocean, where a huge carbonate platform came into existence in the latest Carnian. In the continent-ward south-western part of the Transdanubian Range cyclic peritidallagoonal successions were deposited, whereas in its north-eastern part - representing the outer platform belt that was segmented by intraplatform basins - oncoidal facies were formed coevally. Based on microfacies analysis of the oncoidal facies in the studied sections, the following lithofacies types were distinguished: stromatolite; peloidal grainstone; calcimicrobial-, aggregate grain-, and oncoidal boundstone; wackstone/boundstone with bioclasts; and pelletal wackstone. Most of these lithofacies types were formed by microbial mediation near to the basin-ward edge of the platform where microbial reefs, and behind them more or less protected shallow subtidal environments, were developed.

Original languageHungarian
Pages (from-to)143-154
Number of pages12
JournalFoldtani Kozlony
Volume144
Issue number2
Publication statusPublished - 2014

Fingerprint

Bearings (structural)
Quarries
Reefs
Calcium Carbonate
Carbonates
limestone
lithofacies
subtidal environment
stromatolite
Rhaetian
Norian
Carnian
grainstone
microfacies
carbonate platform
basin
quarry
outcrop
reef
Triassic

ASJC Scopus subject areas

  • Geochemistry and Petrology
  • Geology
  • Palaeontology
  • Stratigraphy

Cite this

A Dachsteini Mészko{double acute} szedimentológiai jellegei és képzo{double acute}désének körülményei a Budai-hegységben. / Réka, Horváth; Haas, J.

In: Foldtani Kozlony, Vol. 144, No. 2, 2014, p. 143-154.

Research output: Contribution to journalArticle

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