Table 1.

Lithofacies of the Upper Gharif Unit at Wadi Gharif

FaciesSedimentary structureDepositional process
StFine- to coarse-grained trough cross-bedded sandstoneBedload mega ripples
SpMedium- to coarse-grained cross-bedded sandstoneDunes (migrating barforms)
SrFine- to medium-grained ripple cross-laminated sandstoneLower flow regime ripples
SbBioturbated sandstoneLower flow regime and suspension
GtGravelly trough cross-bedded sandstoneBedload mega ripples
MSilty claystone, palaeosolDeposition from suspension
MlLaminated silty claystoneDeposition from suspension