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![What are the brown patches on this rock surface? expn4557.jpg What are the brown patches on this rock surface?](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_expn4557.jpg?itok=kB3lknAi)
Description
What are the brown patches on this rock surface? (Image credit: NOAA Office of Ocean Exploration and Research, 2015 Hohonu Moana)
Credit
NOAA Office of Ocean Exploration and Research, 2015 Hohonu Moana
Display Date
20150812T202650Z
Location
Hawaii, Bank 9 North
Collection
Voyage to Inner Space
Ocean Exploration Collection
Modern Expeditions
2015 Hohonu Moana