Upper Eocene and Oligocene in Yugoslavia

Abstract

This chapter discusses certain fossils found close to the Eocene–Oligocene boundary. Older rocks were deposited disconformably at the western margin of the Pannonian basin, the Late Eocene beds at Makole, and on the mountains of Ravna Gora. They consist of shallow reef facies. In addition, the Oligocene beds on the western border of the Pannonian basin disconformably overlie the older beds. Their basal layers consist of conglomerates or reef and near-reef deposits. The fresh-water beds are less developed. The late Eocene and Oligocene clastites were deposited in the outer dinarides along the Adriatic coast. Globigerina corpulenta occurs in the youngest late Eocene or at the transition between the Eocene and Oligocene. The presence of the Oligocene has been proved at the Dugi Otok Island in the offshore boreholes. The molasse Pranina beds in Dalmatia are partly late Eocene and partly Oligocene.