List of Articles کپه داغ Open Access Article Abstract Page Full-Text 1 - 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. nassim Riahi عباس صادقی Mohammad Hossein Adabi حسین کامیابی شادان Open Access Article Abstract Page Full-Text 2 - Comparsion of the result of FMS image log and thin sections data in one field of Kopedagh Basin زهرا شمشیری فریدون سحابی غلامحسین نوروزی حسین معماریان Open Access Article Abstract Page Full-Text 3 - Biocorrelation, Biostratigraphy and determination basal of the Aptian stage at Tirgan Formation , west of Kopeh-Dagh sedimentary basin, NE Iran Atefeh Chenarani Meysam Shafiee Ardestani Mohammad Vahidinia 10.52547/ispg.33928.11.21.78 Open Access Article Abstract Page Full-Text 4 - Biostratigraphy and paleoecology of Family Gavelinellidae in Sanganeh and Aitamir Formations at the Kopeh-Dagh basin Maryam Motamedalshariati Mahmoud Jalali 10.61186/ispg.41339.11.22.89