Title of article :
Late Barremian-Early Aptian Ammonites from the Tirgan Formation, Kopet-Dagh Sedimentary Basin, NE Iran
Author/Authors :
Taherpour Khalil Abad, Morteza Young Researchers Club and elites - Mashhad Branch - Islamic Azad University , Vaziri, Hamid Department of Geology - North-Tehran Branch - Islamic Azad University , Molaei, Masoumeh Department of Geology - North-Tehran Branch - Islamic Azad University , Raisossadat, Naser Departement of Geology - Birjand University - Birjand
Abstract :
During the recent field research on the Tirgan Formation in the west of Kopet-Dagh sedimentary basin, ammonite assemblages were obtained from the carbonate strata of this formation. This new finding is important for stratigraphical purpose. In this research, 3 genera belong to Heteroceras, Deshayesites and Cheloniceras? as well as one uncertain genus belongs to Turkmeniceras are determined. The ammonite fauna dates the Tirgan Formation from the late Barremian to early Aptian in the studied stratigraphic section.
Keywords :
Ammonite , Lower Cretaceous , Late Barremian , Early Aptian , Tirgan Formation
