83°C at 20 cm below the seafloor. Picture by Roy PriceGreg taking small sediment cores. Picture by Bill GilhoolyJan and Roy collecting pore waters. Picture by Bill GilhoolyBill deploying sulfide-sensitive film. Picture by Roy PriceRecovered film. Picture by Roy PriceDave and Jan with the dive gear. Picture by Bill Gilhooly

Several shallow-sea hydrothermal vents are located offshore of Milos Island, Greece.  Pore fluids at these sites are hot (~115°C), acidic (pH 5), sulfidic, and have either dilute or elevated chloride concentrations. The vents offer an ideal opportunity to target microbial processes that presumably transition from sulfide delivered with volcanic gases to sulfide produced by dissimilatory sulfate reduction in non-vent sediments.

Collaborators: Dave Fike (PI), Jan Amend (PI), Greg Druschel (PI), and Roy Price  

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