Clearly visible pillow lavas seen during the exploration of an unnamed seamount despite the fact that the seamount is quite old and manganese-crusted.
Pillow Lava
Image courtesy of the NOAA Office of Ocean Exploration and Research, Deepwater Wonders of Wake. Download larger version (jpg, 761 KB).

Clearly visible pillow lavas seen during the exploration of an unnamed seamount despite the fact that the seamount is quite old and manganese-crusted.

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