Biostratigraphy of Lower Sarmord Formation in Kirkuk well no-109. Nouthern Iraq.
Lower Sarmord
Formation well Kirkuk-109
Choffatella decipiens and Orbitolina discoidea
Lower Cretaceous
The study includes biostratigraphy of the Lower Sarmord Formation in well Kirkuk-No-109. North of Iraq, two biozones had been distinguished as follow:
1- Choffatella decipiens SCHLUMBRGER Zone.
2- Orbitolina discoidea GARS Zone.
The age of Formation in this study is determanid as Lower Cretaceous (Hauterivian-early Aptian).
Keyword: Lower Sarmord, Formation well Kirkuk-109, Choffatella decipiens and Orbitolina discoidea, Lower Cretaceous
