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Document Type

Original Article

Subject Areas

Earth science


Kharita Formation; Alamein Formation; Dahab Formation; Alam El Bueib Formation; palynostratigraphy; Paleoecology; Western Desert; Egypt


A palynological analysis has been carried out on the Lower Cretaceous Kharita, Dahab, Alamein and AlamEl Bueib formationsencountered in the subsurface sections of the Mamura-1 (MAX-1), Mersa Matruh-1 (MMX-1) and Burg El Arab-1(BAX-1) wells, north Western Desert of Egypt. 144 core samples have been analyzedpalynologically and produced 147 species belonging to 102 genera, which allow and recognizing three informalsporomorph zones and two informal dinoflagellate zones are restricted to northern Western Desert rangingfrom Neocomian to Albian ages. They are correlated with the well-documented biozonations established for thesame interval from other localities in the north Western Desert of Egypt and northern Gondwana regions.According to the relative abundances and paleoecologic characters of the palynomorphs, the KharitaFormation maybe deposited in an open-marine, warmer and humid climate. The Dahab and Alamein formationsmaybe deposited in a shallow to inner shelf environment and under humid, tropical to sub-tropical climaticconditions. The Alam El Bueib Formation maybe deposited in deltaic; warmer environment under humidclimatic conditions.

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