New Kind of Hydrothermal Vent Forms Ghostly Chimneys

Deep in the Caribbean Sea, researchers have discovered a new type of hydrothermal vent unlike any seen before, with huge, ghostly mounds formed from an ingredient common in baby powder. Typical hydrothermal vents consist mostly of sulfide minerals, but these vents in the Von Damm Vent Field south of the Cayman Islands are made mostly of talc, a magnesium-silicate mineral. "This vent site is home to a community of fauna similar to those found at the Mid-Atlantic Ridge in the Atlantic Ocean," stud