Abstract
Eight planktonic and six benthonic foraminiferal species were recorded from the type section of the Gulneri Formation at the site of Dokan Dam, Dokan area, northeastern Iraq. The sediments of the Gulneri Formation consist basically of organic–carbon rich black shale and represent a record of the ocean anoxic event 2 (OAE2) across the Cenomanian–Turonian boundary. The planktonic foraminiferal assemblages of the Gulneri Formation indicates an Early Turonian age for the formation .
Highlights
The Gulneri Formation was first described by Lancaster Jones in 1957 ( Bellen et al, 1959) from the site of the Dokan Dam in the High Folded Zone in northeastern Iraq
Buday (1980) stated that the depositional basin of the Gulneri Formation was euxenic based on the evidence of the high bitumen content and the dwarfing of the fossils
The present paper intends to give an account of the stratigraphy, the foraminiferal fauna and the paleoenvironment of the Gulneri Formation as exposed in the type section at the site of the Dokan Dam, northeastern Iraq (Fig . 1)
Summary
The Gulneri Formation was first described by Lancaster Jones in 1957 ( Bellen et al, 1959) from the site of the Dokan Dam in the High Folded Zone in northeastern Iraq. The present paper intends to give an account of the stratigraphy, the foraminiferal fauna and the paleoenvironment of the Gulneri Formation as exposed in the type section at the site of the Dokan Dam, northeastern Iraq These limestone boulders are derived from the underlying Dokan Formation and they represent an oligosteginal limestone containing rich planktonic foraminiferal fauna.
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