Contents
238U/206Pb age of the fossil sinter crust (flowstone) covering fault walls of a Badenian neptunian dyke (Devín quarry, Western Carpathians)
Published: Apr 2022
Pages: 173 - 178
DOI: https://doi.org/10.31577/GeolCarp.73.2.5
Authors: FRANTIŠEK MARKO, JON WOODHEAD, DENIS SCHOLZ, VRATISLAV HURAI, ALEXANDER LAČNÝ
Abstract: Here, we report on the first radiometric dating of pre-Quaternary sinters covering the ENE–WSW striking vertical faults filled with Upper Badenian sands (neptunian dykes) in Mesozoic carbonates of the Devín quarry in the Malé Karpaty Mountains. The 238U/206Pb age of 13.98±0.56 Ma fits well with the former age prediction based on biostratigraphic evidence. Our results provide fault opening age, refine the age of sediments and fossils preserved in the neptunian dykes, and constrain the onset of Badenian sea transgression.
Keywords: fault dating, U/Pb age, fossil sinter, Western Carpathians, Late Badenian
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238U/206Pb age of the fossil sinter crust (flowstone) covering fault walls of a Badenian neptunian dyke (Devín quarry, Western Carpathians)