 The carbonate structures at the Lost City Field include these spires stretching 90 feet tall. The white, sinuous spine is freshly deposited carbonate material. Added digitally to this image are the remotely operated vehicles Hercules and Argus, which were used to explore the hydrothermal vent field during an expedition. (Photo courtesy Kelley, U of Washington, IFE, URI-IAO, NOAA)[back]
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