Palaeoclimatic and palaeoenvironmental interpretations of the Late Oligocene, Late Miocene–Early Pliocene in the Çankırı-Çorum Basin

Palaeoclimatic and palaeoenvironmental interpretations are reconstructed from the sedimentary sequences of the Late Oligocene and Miocene–Pliocene boundary in the Çankırı-Çorum Basin based on evidence obtained from palynofloras and ostracod and mammal faunas. Information on the main role of mixed mesophytic and broad-leaved evergreen forests was obtained from the Late Oligocene data from the Güvendik Formation. The pollen records of the formation showed a greater proportion of the hygrophytic forest communities. Thermophilic taxa and the taxonomic diversity of these forest communities developed mainly under dry subtropical climate conditions.