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Palaeoecology of the Late Badenian foraminifera and ostracoda from the SW Central Paratethys (Medvednica Mt., Croatia)

Đurđica Pezelj ; Department of Geology and Palaeontology, Faculty of Science, University of Zagreb, Horvatovac 22A, HR-10000 Zagreb, Croatia
Jasenka Sremac ; Department of Geology and Palaeontology, Faculty of Science, University of Zagreb, Horvatovac 22A, HR-10000 Zagreb, Croatia
Ana Sokač ; Faculty of Mining, Geology and Petroleum Engineering, University of Zagreb, Pierottijeva 6, HR-10000 Zagreb, Croatia

Sažetak

The quantitative study of microfossil communities from the Late Badenian
marls at the Sveta Barbara locality (eastern Medvednica Mt.) enabled reconstruction of three different palaeoenvironments: middle shelf, outer shelf and upper bathyal. The dominant factors influencing
the distribution of biota were the deepening of the depositional basin and fluctuations of the oxygenation rate. The outer shelf biota existed under conditions of decreased oxygen levels in bottom water, compared to communities from the middle shelf and upper bathyal environments.

Ključne riječi

Benthic foraminifera; Ostracoda; Palaeo-ecology; Biostratigraphy; Late Badenian; Medvednica Mt.; Croatia

Hrčak ID:

22010

URI

https://hrcak.srce.hr/22010

Datum izdavanja:

28.12.2007.

Posjeta: 2.811 *