A recent lava flow showing white microbial staining on the broken basaltic rocks
, caused by discharge of warm hydrothermal fluids through the seafloor.
Image ID: expl6447, Voyage To Inner Space - Exploring the Seas With NOAA Collect Photo Date: 2011 July 16 Credit: NOAA Okeanos Explorer Program, Galapagos Rift Expedition 2011
