Erg (landform) when liquid methane rained and eroded the ice bedrock, possibly in the form of flash floods. Alternatively, the sand could also have come from organic solids produced by photochemical reactions in Titan's atmosphere. Erg (landform) An erg (also sand sea or dune sea, or sand sheet if it lacks dunes) is a broad, flat area of desert covered with wind-swept sand with little or no vegetative cover. The term takes its name from the Arabic word "ʿarq" (), meaning "dune field". Strictly speaking, an erg is defined as a desert area that contains more than of aeolian or wind-blown sand
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