2020
Oxygen and carbon stable isotope records of the Lochkovian-Pragian boundary interval from the Prague Basin (Lower Devonian, Czech Republic)
WEINEROVÁ, Hedvika; Ondřej BÁBEK; Ladislav SLAVÍK; Hubert VONHOF; Michael M. JOACHIMSKI et. al.Základní údaje
Originální název
Oxygen and carbon stable isotope records of the Lochkovian-Pragian boundary interval from the Prague Basin (Lower Devonian, Czech Republic)
Autoři
WEINEROVÁ, Hedvika; Ondřej BÁBEK; Ladislav SLAVÍK; Hubert VONHOF; Michael M. JOACHIMSKI a Jindřich HLADIL
Vydání
Palaeogeography, Palaeoclimatology, Palaeoecology, Amsterdam, Elsevier, 2020, 0031-0182
Další údaje
Jazyk
angličtina
Typ výsledku
Článek v odborném periodiku
Obor
10506 Paleontology
Stát vydavatele
Nizozemské království
Utajení
není předmětem státního či obchodního tajemství
Odkazy
Impakt faktor
Impact factor: 3.318
Kód RIV
RIV/00216224:14310/20:00114584
Organizační jednotka
Přírodovědecká fakulta
UT WoS
000591245000045
EID Scopus
2-s2.0-85091775844
Klíčová slova anglicky
Palaeozoic; Barrandian area; Climate changes; Conodont apatite; Carbonate; Diagenesis
Příznaky
Mezinárodní význam, Recenzováno
Změněno: 13. 1. 2021 14:38, Mgr. Marie Novosadová Šípková, DiS.
Anotace
V originále
Climate changes close to the Lochkovian-Pragian Event are still widely discussed. Carbonate delta 18O and delta 13C and conodont apatite delta 18O from medial to distal carbonate ramp sediments were analysed to provide further stable isotope data from the stratotype area in the Prague Basin. The uppermost Silurian to lower Emsian delta 18O trends are put into an updated conodont biostratigraphy framework. Carbonate delta 18O and delta 13C are discussed in the context of facies-dependent diagenesis. The delta 13C pattern measured from different sections enables the correlation of intervals with development of different facies inside the Prague Basin. Positive delta 13C shifts are often coupled with trends of decreasing computed gamma-ray (CGR) values interpreted as regressions, whereas negative delta 13C shifts commonly coincide with opposite trends in CGR. The Lochkovian-Pragian boundary interval coincided with an increase in carbonate delta 13C and an increase in the delta 18O of conodont apatite and carbonate, which we interpret as consequence of climate cooling. Generally, the Lochkovian was warmer than the Pragian and earliest Emsian.
Návaznosti
| GA14-18183S, projekt VaV |
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| GA19-17435S, projekt VaV |
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