نتایج جستجو برای: carboniferous

تعداد نتایج: 2050  

Journal: :Proceedings of the Japan Academy, Series B 1979

Journal: :The Journal of the Geological Society of Japan 1970

Journal: :Annals and Magazine of Natural History 1876

Journal: :Palaeobiodiversity and Palaeoenvironments 2021

Abstract A relatively complete conodont record from Famennian to the Mississippian/Pennsylvanian boundary was investigated in Anarak section, Central Iran. The studied interval belongs Bahram, Shishtu, Ghaleh and Absheni formations. part of section (Bahram Formation) ranges Palmatolepis triangularis Zone into Bispathodus ultimus Zone. Not all zones could be defined due lack indicative species. ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم 1376

saluk mount is selected for devonian biostratigraphy. this area located at southwest of bojnurd. in this study three sections are selected and two sections, chahar-borj and tabar sections with a thickness of 650 m, which consist mainly of calcareous sediments was studied in detailed but third section, qelli section, with a thickness of about 450m which consist mainly of sandstone and evaporates...

Journal: :Transactions of the Geological Society of Glasgow 1865

Journal: :Geological Magazine 1933

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