Grand Erg Occidental Grand Erg Occidental The Grand Erg Occidental (, al-ʿIrq al-Gharbī al-Kabīr), (also known as the Western Sand Sea) is the second largest erg in northern Algeria after the Grand Erg Oriental. It covers an area of approximately . The sand dunes in the erg are formed by the wind, and can be up to high. Certain crescent-shaped dunes, known as barchans, are actually mobile; the wind can push these dunes as much as 20 to 30 m (65-100 ft) in one year. It is a desert natural region that receives less than 50 mm (1,96 in) of rainfall per year.
Erg (comics) "The Uncanny X-Men" #487-491 (August–December 2007). Erg appeared as part of the "Morlocks" entry in the "Official Handbook of the Marvel Universe Deluxe Edition" #9. Erg was a member of the Morlocks, and was one of the few Morlocks to survive the Marauders' attack during the 'Mutant Massacre'. He was also one of the first mutants to seek a safe haven at the Xavier Institute following M-Day, when most mutants lost their powers. Erg, Mammomax, and Peepers were running from members of the murderous Sapien League. They had the institute in sight when they were taken down by a shock