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) Erg (tug) Erg was a vessel built and owned by Halifax Steamship Ltd. in 1915. She was used to ferry workers across the harbour to vessels under repair during the Second World War. "Erg" was sunk in the Halifax Harbour three times and is currently located in the Bedford Basin. "Erg" was originally a steam tug called "Sambro" and was built by the Halifax Shipyard in 1915. She was one of the earliest steel vessels to be built in Halifax. "Sambro" was 55 feet long and almost 15 feet wide, with a depth of 7 feet and her maximum tonnage