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Biozonation and Paleoecology Surgah Formation at Ilam Dam Section, South Ilam

T Akbari; L Bakhshandeh

Volume 24, Issue 95 , June 2015, , Pages 67-76

https://doi.org/10.22071/gsj.2015.42255

Abstract
  Based on stratigraphic value of calcareous nannoplanktons in determing the age of sedimentary layers, they have been used for biostratigraphic studies of Surgah Formation in sadd Ilam (Ilam damp) section ,Kabir –Kuh of Ilam. This formation is composed mainly ot dark gray shales. In Type section ...  Read More