%0 Journal Article %A Riahi, nassim, , , Adabi, Mohammad Hossein, , %T Biostratigraphy of the Tirgan Formation in Robat-Eshgh (south-west of Bojnurd) and Ghezelghan (North of Bojnurd) stratigraphic sections, and comparing them with each other. %J Iranian Journal of Geology %V 15 %N 57 %P 123-141 %D 2021 %R %U https://rimag.ir/fa/Article/16158