Dinoflagellate cyst biostratigraphy of Miocene strata in the Adana Basin, Eastern Mediterreanean, Turkey

article
The Adana Basin is one of the major Neogene basins situated in SW Turkey with sedimentary successions
providing good records of the paleoenvironmental changes that affected the Mediterranean area. Since a
detailed biochronostratigraphic framework has not been properly established in the Adana Basin yet, this
study will be the first multidisciplinary approach carried out in this region. In addition, a detailed
biozonation based on marine palynomorphs was the first ever documented from the K€opekli Formation
deposited during the Miocene (from late Burdigalian to Langhian) and the established biozones were
correlated with those of planktonic foraminifera and calcareous nannofossils. According to the first
occurrences (FOs) and the last occurrences (LOs) of selected taxa, five biozones (P-1, P-2, P-3, P-4 and P-5)
based on dinoflagellate cysts; five biozones (M4a, M4b, M5a, M5b and M6) based on planktonic
foraminifera; and two biozones (NN4 and NN5) based on calcareous nannofossils were established in the
Miocene K€opekli Formation. In order to achieve a worldwide biostratigraphic perspective based on
dinoflagellate cysts, the present biozones were compared with those described from NW Europe
(Denmark, Germany, the Netherlands), the East Coast of the US and Egypt. After calibration to the
established Turkish foraminifera and nannofossils standard, the palynological analysis shows that the
recorded dinoflagellate cysts events (e.g. FO of Labyrinthodinium truncatum, Cerebrocysta poulsenii and
Unipontidinium aquaeductus and LO of Palaeocystodinium ventricosum) occurred chronostratigraphically
earlier in SE Turkey than in NW Europe and on the East Coast of the US.
TNO Identifier
788164
Source
Palynology, pp. 1-25.
Pages
1-25
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