Libya | History, People, Map, Government | Britannica
· The Saharan plateau makes up about ninetenths of Libya. About half of the plateau is sand desert, making it truly a sea of sand. AlHarūj alAswad is a hilly basaltic plateau in central Libya. Covered with angular stone fragments and boulders, it rises to about 2,600 feet (800 metres) and is crowned by volcanic peaks.