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Upper Cretaceous transgressive sediments with rudists and corals from northern Croatia, Slovenia and Bosnia (CROSBI ID 612768)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa

Moro, A., Horvat, A., Tomić, V., Sremac, J., Bermanec, V. Upper Cretaceous transgressive sediments with rudists and corals from northern Croatia, Slovenia and Bosnia // Tenth International Congress on Rudists Bivalves - Bellaterra, June 22-27. 2014. / Pons, Jose Maria and Vincens, Enric (ur.). Barcelona: Universitat Autonoma de Barcelona, 2014. str. 17-18

Podaci o odgovornosti

Moro, A., Horvat, A., Tomić, V., Sremac, J., Bermanec, V.

engleski

Upper Cretaceous transgressive sediments with rudists and corals from northern Croatia, Slovenia and Bosnia

At localities in northern Croatia (Donje Orešje, Gornje Orešje, Brašljevica and Sv. Martin) Slovenia (Stranice) and Bosnia (Bešpelj) successions of shallow water Upper Cretaceous deposits occur, represented by alternating clastic and carbonate sediments with rudist and coral communities, which transgressively overlay Triassic, Jurassic or Upper Cretaceous basement rocks. Transgressive succession for investigated localities with diverse facies could be vertically divided into a lower clastic sediments with corals, middle mixed clastic-carbonate sediments with corals and rudists and upper carbonate sediments with rudists. Third facies could pass into pelagic limestones or marls with nannofossils. The lower clastic facies consists of sediments with corals. In middle facies both, corals and rudists are present, later through highly abundant paucispecific community. Upper facies comprises carbonate sediments where corals are completely absent or appears at the beginning of the facies only. Rudist community of the carbonate facies could range from mixed assemblage with individuals of radiolitids and hippuritids to relatively low-abundant, monospecific assemblage with individuals of hippuritids and sporadically present other genera. Different abundance of rudists and corals within different facies could be dependable upon sediment type and paleorelief conditions. The depositional setting of the investigated transgressive successions presumably variate due to the more or less pronounced basement topography. In places with low paleorelief, transgressive succession starts with clastic facies, while on steeper one with carbonate facies

Upper Cretaceous; rudists; corals; transgressive sediments

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Podaci o prilogu

17-18.

2014.

objavljeno

Podaci o matičnoj publikaciji

Tenth International Congress on Rudists Bivalves - Bellaterra, June 22-27. 2014.

Pons, Jose Maria and Vincens, Enric

Barcelona: Universitat Autonoma de Barcelona

Podaci o skupu

Tenth International Congress on Rudist Bivalves

predavanje

22.07.2014-27.07.2014

Barcelona, Španjolska

Povezanost rada

Geologija