... in the vicinities of Aynunah and Wadi Azlam, both north of Duba on the Red Sea coast, NW Saudi Arabia (Fig. 1 ). Subsequent collecting in 2005 and 2006 yielded further material, including some diagnostic elements attributable to marine turtles, crocodiles, plesiosaurs and aquatic lizards (mosasaurs and small...

...Figure 1: False-colour Landsat image of the Midyan region of Saudi Arabia showing the four locations of the Wadi Waqb Member examined in this study: the Ad Dubaybah exposure region ( Figures 14 , 15 ); the region of Al Khuraybah/Wadi Aynunah ( Figure 17 ); Midyan Field area of multiple...

... coast of Saudi Arabia ( Figure 2 ). This work led to the establishment of the informal lithostratigraphic scheme shown as Figure 3 . The nomenclature of the lithostratigraphic succession is varied, but Hughes and Beydoun (1992) suggested a regional scheme based on the similarity of the succession...

.... The name Usfan Formation was originally used by Karpoff (1957) to define surface exposures first noted in the Jiddah area of Saudi Arabia. In this study, the Usfan Formation is considered a possible lateral facies equivalent of the Shumaysi formation (see below) because the latter formation has not been...

... : GeoArabia , v. 10 , p. 49 – 126 . Hussain, M. and Al-Ramadan, K. 2009 , Microfacies analysis of Wadi Waqb Member (Miocene) in Wadi Aynunah, northwest of Saudi Arabia : Carbonates and Evaporites , v. 24 , p. 139 – 149 . Johnson, K.G., Renema, W., Rosen...

... deposits up to 200 m thick. It forms part of the Late Cretaceous-Palaeogene Suqah Group, a series of pre-Red Sea rift strata that extend widely in NE Saudi Arabia [see Kear et al. , 2008 for details]. It lies unconformably on Proterozoic basement rocks of the Arabian shield. Lithological...