Catapsydrax, Globorotalia, Globigerinoita' nın (planktik foraminifer) Mut Havzası denizel miyosen istifindeki biyostratigrafisi ve sistematik paleontolojisi

Mut Havzası, Köselerli Formasyonu'nun planktik foraminifer biyostratigrafisinin ortaya konmasına yönelik olarak yapılan bu çalışmada, tane örneklerinin ölçülü kesitlerdeki tanımları ile planktik foraminiferlerde 9 cins ve 35 tür saptanmıştır. Catapsydrax, Globorotalia fohsi, Globigerinoita planktik foraminifer cins ve türleri havzada ilk kez bu çalışmada tanımlanmış, biyozon olarak da ayırtlanmıştır. Çalışma alanında Miyosen'in tabanı (Akitaniyen) karasal fasiyeste gelişmiş olup, Catapsydrax dissimilis Zonu (Geç Akitaniyen) ile denizel Miyosen'in tabanı belirlenmiştir. Devam eden istif içerisinde Globorotalia fohsi Filozonu (Globorotalia fohsi fohsi, Globorotalia fohsi lobata, Globorotalia fohsi robusta) ile Orta Miyosen'in orta seviyesi belirlenmiş, bu zonlar da planktik foraminifer formları içerisinde stratigrafik olarak Globigerinoita cinsi de ayırtlanarak tanımlanmıştır.

Biostratigraphy and paleontology of Catapsydrax, Globorotalia, Globigerinoita (planktic foraminifera) in the marine miocene sequence of the Mut Basin

To reveal the planktic foraminifera biostratigraphy of the Köselerli formation in the Mut basin, 9 genus and 35 species of planktic foraminifera have been defined in the grain samples of measured sections. Genus and species of the foraminifera Catapsydrax, Globorotalia fohsi, Globigerinoita have been distinquished for the first time and defined as biozones. The base of the Miocene comprises terresterial fades, Catapsydrax dissimilis Zone defining the base of the marine Miocene. The intermediate level of Middle Miocene is defined by Globorotalia fohsi phyllozone (Globorotalia fohsi fosi, G. fohsi lobata, G. fohsi robusta) where the genus Globigerinoita is distinquished.

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