Gas-tight sampler collecting fluid at Marker 3 on the Posiedon structre, the central and largest edifice at Lost City. The close-up reveals the delicate tecture of the newly formed carbonate minerals and filamentous bacteria wafting in the warm, high pH fluids. ( Courtesy Deborah Kelley (University of Washington), Institute for Exploration, URI-IAO, and NOAA.)



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Last updated January 28, 2008
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