Underwater “Lost City” Built by Microbes? – Scientific American

Geologists find that ancient underwater structures off Greece were likely created by methane jets and bacteria

By Shannon Hall on June 3, 2016


Microbes in the sediment use carbon in the methane as a fuel, which alters the chemistry of the sediment and forms a natural cement. Over time currents erode softer surrounding sediment, revealing the harder, naturally formed structures.  Credit: University of Athens via Scientific America

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