Make a Comment • Email Link • Send Letter to Editor IPFS News Link • Environment Desalting the Oceans? 12-16-2011 • arclein Actually the density of halite (rock salt) is around 1.5 so that mass of salt would be a third less volume --say 390 km diameter--but that is just the salt in the ocean neglecting massive deposits in the continents. Watch Streaming Broadcast Live: LRN.fm Watch live shows and archives TV Live Chat Telegram Share this page with your friends on your favorite social network: