Znaczenie stratygraficzne i paleoekologiczne późnokredowych otwornic prowincji przejściowej z obszaru Polski pozakarpackiej
Abstract
STRATIGRAPHICAL AND PALEOECOLOGICAL SIGNIFICANCE OF LATE CRETACEOUS FORAMINIFERS OF THE TRANSITIONAL PROVINCE IN POLAND
Summary
Factors controlling the bathymetric and geographic distribution of modem planktonic and benthonic Foraminifera are discussed. Changes in the late Cretaceous foraminiferal assemblages in the Polish Lowland area are characterized The stratigraphical significance of planktonic and benthonic Foraminifera is discussed. It is proved that the late Cretaceous planktonic foraminifers from Transitional province may be used for stratigraphical purposes and for regional correlation while benthonic ones for local zonations and correlations. The value of the late Cretaceous foraminifers for paleoecological interpretations is documented by an example, taken from the Upper Cretaceous of Lublin Upland, of changes in sea level and changes in chemistry of sea water.
Summary
Factors controlling the bathymetric and geographic distribution of modem planktonic and benthonic Foraminifera are discussed. Changes in the late Cretaceous foraminiferal assemblages in the Polish Lowland area are characterized The stratigraphical significance of planktonic and benthonic Foraminifera is discussed. It is proved that the late Cretaceous planktonic foraminifers from Transitional province may be used for stratigraphical purposes and for regional correlation while benthonic ones for local zonations and correlations. The value of the late Cretaceous foraminifers for paleoecological interpretations is documented by an example, taken from the Upper Cretaceous of Lublin Upland, of changes in sea level and changes in chemistry of sea water.