SEDIMENTARY, BIOLOGICAL AND ISOTOPIC RECORD OF EARLY APTIAN PALEOCLIMATIC EVENT IN THE PIENINY KLIPPEN BELT, SLOVAK WESTERN CARPATHIANS
Published: Apr 1999
Pages: 169 - 191
Authors: JOZEF MICHALIK, DANIELA REHAKOVA, OTILIA LINTNEROVA, DANIELA BOOROVA, EVA HALASOVA, JULIA KOTULOVA, JAN SOTAK, MARIA PETERCAKOVA, JANA HLADIKOVA, PETR SKUPIEN
Abstract: Orbital perturbations of Barremian/Aptian climate traceable by sedimentological, biological and chemical proxies have been studied in Mt. Rochovica (Western Carpathians, Pieniny Klippen Belt) sedimentary sequence. This pelagic carbonate sequence represents a record of sedimentation on a distal edge of the Paleoeuropean shelf. Pelagic carbonate deposition was influenced by clastic input from the elevated Czorsztyn Ridge (microbreccia of Tithonian/Berriasian limestones) and by fluxoturbidites derived from unknown carbonate buildups. Interruption of carbonate deposition by the terrigeneous Konhora Formation has been interpreted as a consequence of a humid event in the initial stage of the mid-Cretaceous Greenhouse climate. Three anoxia models (depositional, productivity and stagnant one) have been distinguished in the depositionary regime.
Keywords: Lower Cretaceous, Western Carpathians, Slovakia, lithology, stratigraphy, bioevents, anoxic sediments, C-isotopes
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Volume 50 no. 2 / April 1999
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