Author	Lantos, M., Wagreich, M., Siegl-Farkas, A., Bodnar, E. and Csaszar, G.
Year	1996
Journal	ADVANCES in Austrian--Hungarian joint Geological Research Budapest, 1996, pp. 97-117.ADVANCES in Au
Title	Integrated stratigraphic correlation of the Upper Cretaceous sequence in the borehole Bakonyjako 528.

Abstract Lantos, M., Wagreich, M., Siegl-Farkas, A., Bodnar, E. and Csaszar, G., 1996. Integrated stratigraphic correlation of the Upper Cretaceous sequence in the borehole Bakonyjako 528. ADVANCES in Austrian--Hungarian joint Geological Research Budapest, 1996, pp. 97-117. Abstract The chronostratigraphic subdivision of the Upper Cretaceous formations in the Bakony Mountains has not been exactly defined because ammonites are almost completely missing, planktonic foraminifers are relatively rare and the studies of nannofossils are insufficient. The grade of uncertainty was especially high in the lower, non-marine part of the sequence. The continuously cored Bakonyjako 528 hole is situated on the eastern margin of the Devecser graben. Investigations, carried out on the cores, include palaeomagnetic measurements and studies of planktonic foraminifers, nannofossils, dinoflagellates, spore and pollen grains. Evaluation of the integrated stratigraphic studies indicates that the accumulation of the marine strata began already in the Santonian. Accordingly, the underlying non-marine strata can not be younger than Santonian.