MIDDLE MIOCENE BIOSTRATIGRAPHY

In this study, 21 planktonic Foraminifera species determined in the Middle Miocene sequence at the Karaisalı region of Adana. The following biozones in Langhian-Serravalian ages are distinguished: ? Globorotalia fohsi lobata zone, Globorotalia fohsi fohsi zone, Globorotalia fohsi peripheroronda zone. In addition to above mentioned planktonic Foraminifera, 13 Nannoplankton species are determined in the same samples. The result of this study has been compared with other studies which have been done in Trinidad, New Zeland, Libya, SW Africa and Nord Carrebean Sea and similar results are obtained. The fossil association and property of the sediments are also indicated that the environment is pelagic.

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