Escarpment Grit
The Escarpment Grit is a Triassic geologic formation. It is also referred to as the Nyoka Grit.
Geology
The formation is composed of fluvial sediments, mainly gritstones and coarse sandstones. Uranium is present in the Escarpment Grit of southern Zambia.Stratigraphy
The Escarpment Grit Formation is the basal unit of the Upper [Karoo Group] and underlies the Pebbly [Arkose Formation]. It has been dated as Upper Scythian.The Pebbly Arkose has been correlated to the Angwa [Sandstone Formation] in the Mana Pools and Cabora Bassa Basins, and the Elliot Formation of the Great Karoo Basin, South Africa.