An isolated pillow outcrop surrounded by sediment. Scientists refer to the funny looking protrusion towards the top of the outcrop as a “mushroom pillow.”

An isolated pillow outcrop surrounded by sediment. Scientists refer to the funny looking protrusion towards the top of the outcrop as a “mushroom pillow.” Image courtesy of the NOAA Office of Ocean Exploration and Research, 2016 Deepwater Exploration of the Marianas.

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2016 Deepwater Exploration of the Marianas

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