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The radiometric time scale of Paratethys Neogene is presented. Fifty-four radiometric ages of the volcanic rocks are taken into consideration. The majority of them are controlled mostly by marine biostratigraphy. The Egerian (Oligo-Miocene) and Eggenburgian (lower Miocene) are dated only by glauconite ages contradictory among themselves and the volcanic rock ages. As a result, glauconite ages are omitted in the time scale. The only existing volcanic rock age (21.9 m.y.) and three ages of the lower Karpathian (between 19.4 and 20.7 m.y.) are considered as the maximum age of the Ottnangian and the Karpathian. The base of the lower Badenian (Moravian) is estimated to 16.5 ± 0.5 m.y., the base of the upper Badenian (Kosovian) 15 ± 0.5 m.y., the base of the Sarmatian to 13.3 ± 0.5 m.y., and the base of the Pannonian to 10.5 to 11.0 ± 0.5 m.y.

Radiometric calibration of the Pontian, Dacian, and Rumanian has not been estimated because reliable radiometric dates with biostratigraphic control are not available. Two ages from the top of the Eastern Paratethys Pliocene are of 0.95 and 2.26 m.y. Probably the older one is closer to the actual age of the Pliocene-Pleistocene boundary.

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