Lower Badenian sea level drop on the western border of the Transylvanian Basin: foraminiferal palaeobathymetry and stratigraphy
The marine Middle Miocene deposits from the western border of the Transylvanian Basin belong to the Gârbova de Sus Formation (Badenian), lithologically dominated by algal-bioclastic limestones. The rich and well preserved foraminiferal assemblages correspond to planktonic foraminiferal Zone M5b–M6 (Berggren et al. 1995) and the "Upper Lagenid Zone" of the Central Paratethys. The sediments are set in two sequences of about 20 m in thickness, the
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