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Home » Articles

Articles

Biostratigraphy and sedimentary environment of Tirgan formation in 1:25000 sheet of Baba aman(Bojnourd)

Writers : Barari, Adel; Sedghi, Babak; Allahmadadi, Shahla
Refference : 27th Symposium on geosciences and the 13th symposium on geological society of Iran-Tehran
Publishing Year : 1388

Abstract :

in this study for the propose of dating and defining the sedimentary environment samples have been taken in the several location of 1:25000 sheet of Baba aman. Based on the identified fossil samples and stratigraphic position, the mentioned formation that located between two Shorjeh and Sarcheshmeh formations have been aged Neocomian-Abtian. Totally 4 sedimentary cycles have been proposed included: A cycle: subtidal zone. B cycle: intertidal zone. C cycle: lagon. D cycle included two parts: 1. Lagon coast(supratidal zone) 2. Deltaic environment.


Subject List : biostratigraphy

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