Sub-bottom seismic reflection profile at the base of seamount. Notice the lighter reflected sediment deposited over the darker underlying bedrock.
Sub-bottom Profile
Image courtesy of the NOAA Office of Ocean Exploration and Research, Deepwater Wonders of Wake. Download larger version (jpg, 415 KB).

Sub-bottom seismic reflection profile at the base of seamount. Notice the lighter reflected sediment deposited over the darker underlying bedrock.

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