Combined zircon U-Th-Pb and (U-Th)/He geochronology was applied to refine the eruption chronology for the Ciomadul Volcanic Dome Complex located in the Eastern Carpathians. Volcanism in the CVDC started at 1 Ma which occurred after several 100’s kyr of eruptive quiescence and also represented a change in the geochemical composition. Volcanic activity was continued and the small-volume satellite domes were formed between 1-0.3 Ma. After a shorter quiescence period, the eruptive rate is changed and the main volcanic edifice of Ciomadul was formed at 150-100 ka. The last phase of activity was characterized by mainly explosive eruption forming the twin-shaped crater of Ciomadul. This is occurred between 55-30 ka representing the youngest volcanic activity in the Carpathian-Pannonian region.
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