Benthic Foraminiferal and Calcareous Algae Assemblages in the Tirgan Formation Urgonien Facies Type in South Flank of Ghorogh Syncline North of Chenaran, NE IranReportar como inadecuado




Benthic Foraminiferal and Calcareous Algae Assemblages in the Tirgan Formation Urgonien Facies Type in South Flank of Ghorogh Syncline North of Chenaran, NE Iran - Descarga este documento en PDF. Documentación en PDF para descargar gratis. Disponible también para leer online.

In this research, the Tirgan Formation in the south flank of Ghorogh Syncline north of Chenaran, northeastern Iran with the thickness of 251 was studied. This section consists of limestone, marly limestone and shale with impressions of echinoderms toxasteridae family, many of foraminifera from orbitolinidae family and also lots of calcareous algae that create facies variation along with other non-skeletal allochems. Micropaleontological investigation has been carried out on 90 thin-sections. These criteria reveal that an equivalent of the Urgonian facies type in France-Swiss area and open marine, low depth sedimentary basin are extended in the Kopet-Dagh basin. In this article, we tried to introduce some of the important foraminiferal and calcareous algal assemblages of this area.

KEYWORDS

Tirgan Formation, Ghorogh Syncline, Foraminifera, Calcareous Algae

Cite this paper

Yavarmanesh, H. , Vaziri, S. , Aryaei, A. , Jahani, D. , Pourkermani, M. and Bouriabadi, E. 2017 Benthic Foraminiferal and Calcareous Algae Assemblages in the Tirgan Formation Urgonien Facies Type in South Flank of Ghorogh Syncline North of Chenaran, NE Iran. Open Journal of Geology, 7, 796-805. doi: 10.4236-ojg.2017.76054.





Autor: Hoda Yavarmanesh1*, Seyed Hamid Vaziri1, Ali Asghar Aryaei2, Davood Jahani1, Mohsen Pourkermani1, Ebrahim Khademi Bouriabadi3

Fuente: http://www.scirp.org/



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