Relatively new pillow lavas which have yet to accumulate much sediment. Pinkish
color is caused by biological material obtaining nutrients from low-temperature
hydrothermal fluids.
Image ID: expl6445, Voyage To Inner Space - Exploring the Seas With NOAA Collect Photo Date: 2011 July 16 Credit: NOAA Okeanos Explorer Program, Galapagos Rift Expedition 2011
