Cretaceous located in the North Eastern of Iran. According to the palynological studies by
the use of Dinoflagellates, the age of Ab-Deraz in the section of West Sanganeh village
Touronian to the middle Santonian was determined. The aim of this study is separation
sequence units and determining water sea level changes by using palynological factors
which is used for the first time on Ab-Deraz Formation. After reading the systematic of 41 …