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![Pacific Ring of Fire Expedition expl0018.jpg Pacific Ring of Fire Expedition](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_expl0018.jpg?itok=M1UJ4x-T)
Description
Pacific Ring of Fire Expedition.Interlayered basaltic (dark) and felsic (light)ash layers in the east wall of West Rota caldera. This cliff is approximately3 meters [9 ft.] tall. (Image credit: Pacific Ring of Fire 2004 Expedition. NOAA Office of Ocean Exploration; Dr. Bob Embley, NOAA PMEL, Chief Scientist)