A new record of foraminifera species (pseudorbitolina marthae douville) indicting the late maastrichtian stage within the aqra formatian in Chwarta area, Sulaimaniyah governorate, ne Iraq

A new record of foraminifera species (pseudorbitolina marthae douville) indicting the late maastrichtian stage within the aqra formatian in Chwarta area, Sulaimaniyah governorate, ne Iraq




Kifah Noore Al-Kubaysi1 & Ali Ashoor Abid2

1 Geological Laboratories Division, Central Laboratories Department, Iraq Geological Survey, GEOSURV, P.O.Box.986.
Alwiya, Baghdad, Iraq. E-mail: akifahnoore@yahoo.com
2 Geological Department, College of Science, University of Sallahaden, Irbil. E-mail: Aliashoor@yahoo.com



Article info

Original: 06.10.2015
Accepted:01.04.2016
Published online:
01.05.2016





Key Words:

Aqra Formation
Foraminifera
Pseudorbitolina marthae
Maastrichtian
Iraq




Abstract
The Late Maastrichtian foraminifera of Aqra Formation were identified by studding
53 samples from one outcrop section (Mukaba section)
Azmar Anticline , Chwarta area, Sulaimaniyah governorate, NE Iraq. Three
formations are exposed in the section (from the oldest to the youngest) Shiranish
Formation; composed of marl and marly limestone, Tanjero Formation;
composed of calcareous sandstone, shale, siltstone and claystone and Aqra
Formation composed of massive dolomitic limestone.76 species of benthonic and
Aqra Formation planktonic foraminifera related to (35) genera were identified. An importuned
Foraminifera Maastrichtian species of foraminifera (Pseudorbitolina marthae DOUVILLE) was
Pseudorbitolina marthae founded and recorded for the first time within the Aqra Formation Maastrichtian According to the identified foraminifera, suggest that the age of Aqra Formation was Iraq of Late Maastrichtian.









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