The Permian Kas Formation of SE Turkey—palynological correlation with strata from Saudi Arabia and Oman

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Abstract

The Kas Formation in SE Turkey was deposited as part of the Permian sequence on the northern margin of the Arabian Plate. Its stratigraphic relationship to time-equivalent strata of the Arabian Plate was mentioned briefly in previous studies, but has not been elaborated and illustrated in detail. This biostratigraphic review of existing palaeontological data has improved the accuracy of age interpretation for the Kas Formation, and the relationship of its excellent palynological record to the international Permian chronostratigraphic units. As a result, this study has identified a number of key palynological species from the Kas Formation, which occur as well as in the ‘Basal Khuff Clastics’ of Saudi Arabia and in the ‘Khuff transition section’ of Oman. All these units have approximately the same age: Wordian to early Capitanian, based on ‘age control’ provided by Foraminifera. This study also demonstrates that, by using key palynological taxa, correlation of strata would be possible across the entire Arabian Plate in this narrow time range. Hence, the ‘Oman and Saudi Arabia Palynological Zone 6’ (OSPZ6) is applicable throughout the Arabian Plate area, including the northern regions of SE Turkey and Iraq. Copyright © 2011 John Wiley & Sons, Ltd.

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