Planktonic Foraminiferal Biostratigraphy Of The Serikagni Formation (Early Miocene) Qasab Well No.13, Qasab Area, North Western Iraq

Abstract

On the basis of Stratigraphy ranges of (11) Planktonic Foraminiferal species and subspecies the Serikagni Formation in Qasab well no.13 between the depth Interval (617-647) m Northeastern Iraq . is divided Formation into three Biozones these are : from the base to the top of the section .

1. Globoratalia kugleri interval Biozone.
2. Globoquadrina dehiscens interval Biozone.
3. Catapsydrax stainforthi Total range Biozone .

The present Biozones are Correlated with similar ones . The age of Serikagni Formation is Early Miocene. as show in figure(3).