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 (tug) Halifax Harbour and is the greatest loss of life in regards to a shipwreck within these waters. Upon inspection, it was decided that "Erg" was beyond repair and on August 24, 1943, she was taken to her final resting place and sunk for the third and final time. The "Erg" shipwreck site was rediscovered in 2001 in the northern part of the Bedford Basin (near Roach Cove) by the Nova Scotia Exploration Society. The site is a protected heritage site and is visited by many divers. Objects which were recovered from "Erg", such as the ships' whistle and portholes are