High-viscosity oil (black tubules) seeping from the seafloor among white bacterial mats forms asphalt when the extrusions solidify. The long tubules are bent to the left due to the current.
Seeping Oil
Image courtesy of the NOAA Office of Ocean Exploration and Research, Gulf of Mexico 2017.
High-viscosity oil (black tubules) seeping from the seafloor among white bacterial mats forms asphalt when the extrusions solidify. The long tubules are bent to the left due to the current. Download larger version (jpg, 1.3 MB).
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