Record details

    The Upper Turonian of the Bohemian Cretaceous Basin (Czech Republic) exemplified by the Úpohlavy working quarry: integrated stratigraphy and palaeoceanography of a gateway to the Tethys
Statement of responsibility
    Frank Wiese, Stanislav Čech, Boris Ekrt, Martin Košťák, Martin Mazuch, Silke Voigt
    Čech, Stanislav, 1951-
    Ekrt, Boris
    Košťák, Martin, 1971-
    Mazuch, Martin
    Voigt, Silke
    Wiese, Frank
Source title - serial
    Cretaceous research
    Vol. 25, no. 3
    p. 329-352
    6 obr., 2 pl.
    Bibliografie na s. 348-352
    Zkr. název ser.: Cretaceous Res.
Classfication no.
Conspectus category
Subject group
    česká křídová pánev
    izotopy C
    izotopy O
    izotopy stabilní
    korelace stratigrafická
    ohárecký faciální vývoj
    paleooceánografie předkvartérní
    stratigrafie sekvenční
    zóny biostratigrafické
Geographical name
    Úpohlavy (Litoměřice, Lovosice)
Abstract (in english)
   The north Bohemian Cretaceous (Bohemian Cretaceous Basin; Czech Republic) is located between the northern temperate areas and the Tethys. As a gateway to the Tethys, lithology, fauna and integrated stratigraphy (litho-, bio-, event, sequence, stable isotope stratigraphy) of the Upper Turonian succession in the Úpohlavy working quarry are described. Due to a large hiatus, the delta13C curve cannot be used for stratigraphic purposes at the base of the section. Up-section, the curve exhibits the well-known middle Upper Turonian positive excursion. Biostratigraphic and sequence stratigraphic subdivisions permit good correlation with other European Cretaceous basins. The inoceramid bivalve assemblage enables correlation with the US Western Interior. Palaeoceanographically, a positive peak in the delta18O curve above the hiatus indicates the upper part of the Late Turonian cooling event observed in other areas.
   The cooling was accompanied by a southward shift of a cool/temperate oceanic biosedimentary system, expressed by the sudden turnover from siliciclastic towards pelagic carbonate deposition. It is associated with the establishment of presumed oligotrophic conditions in the immediate vicinity of the West Sudetic Island, as indicated by the sudden decrease of macrofaunal abundance and diversity
    Česká geologická služba
Contributor code
    ČGS (UNM)
Source format
Entered date
    10. 7. 2007
Import date
    8. 8. 2012