Systematic Study of Spore and Pollen in Shemshak Formation, Jajarm Area

The Shemshak Formation with a thickness of 2080 meters is well-exposed in NE of Jajarm city. In this study, palynolomorphs are identified for the first time and 50 terrestrial palynomorh taxa were identified, in which 29 species of spore allocated to 21 genera and 17 species of pollen to 13 genera. On the basis of stratigraphic distribution of palynomorphs three biozones were recognized and based on the above mentioned biozones the Rhaetian - Lower Bajocian age is suggested for the Shemshak Formation in Jajarm area.