Research Interest

• Chemical evolution of mid-ocean hydrothermal systems.
• Fluid/Rock interactions at elevated P-T conditions.
• Experimental and theoretical geochemical modeling.

• 2005 PhD in Geology (Minor in Chemistry), University of Minnesota.
• 1997 B.Sc in Geology, Aristotle University of Thessaloniki (Greece).

• Foustoukos D.I., Seyfried W.E., Jr., Ding K. and Pester, N.J. (2007) Dissolved carbon species in associated diffuse and focused flow hydrothermal vents at the Main Endeavour Field, northern Juan de Fuca ridge (submitted to Earth and Planetary Science Letters).
• Foustoukos D.I. and Seyfried W.E., Jr. (2007) Phase separation in submarine hydrothermal systems: Constraints from experimental and field studies (to appear at Reviews in Mineralogy and Geochemistry "Fluid-Fluid Equilibria in the Crust" eds.A. Liebscher and Ch. Heinrich)
• Seyfried W.E. Jr, Foustoukos D.I. and Qi F. (2007) Redox evolution and mass transfer during serpentinization: An experimental and theoretical study at 200°C, 500 bars with implications for ultramafic hosted hydrothermal systems at mid-ocean ridges (in press Geochimica et Cosmochimica Acta).
• Foustoukos D.I. and Seyfried W.E., Jr. (2007) Trace element partitioning between vapor, brine, and halite under extreme supercritical phase separation. Geochimica et Cosmochimica Acta,71, 2056-2071 (abstract).
• Foustoukos D.I. and Seyfried W.E.,Jr. (2007) Quartz solubility in the two-phase and critical region of the NaCl-KCl-H2O system: Implications for the submarine hydrothermal systems at 9°50’N East Pacific Rise. Geochimica et Cosmochimica Acta,71, 186-201 (abstract).
• Foustoukos D.I. and Seyfried W.E.Jr. (2005) Redox and pH constraints in the subseafloor root zone of TAG hydrothermal System, 26°N Mid-Atlantic Ridge. Earth and Planetary Science Letters 235, 497-510 (abstract).
• Foustoukos D.I., James R.H., Berndt M.E. and Seyfried W.E.Jr. (2004) Lithium isotopic systematics of hydrothermal vent fluids at the Main Endeavour Field, Northern Juan de Fuca Ridge. Chemical Geology 212 (1-2), 17-26 (abstract).
• Seyfried W.E.Jr., Foustoukos D.I. and Allen D.E. (2004) Ultramafic-hosted hydrothermal systems at mid-ocean ridges: Chemical and physical controls on pH, redox, and carbon reduction reactions. In Mid-Ocean Ridges: Hydrothermal Interactions Between the Lithosphere and Oceans, Geophys. Monogr. Ser., edited by C.R. German, J. Lin, and L.M. Parson, pp. 267-284, AGU.
• Foustoukos D.I. and Seyfried W.E.Jr. (2004) Hydrocarbons in hydrothermal vent fluids: The role of chromium-bearing catalysts. Science 304 (5673), 1002-1005 (abstract).
• Seyfried W.E.Jr., Seewald J.S., Berndt M.E., Ding K. and Foustoukos D.I. (2003) Chemistry of hydrothermal vent fluids from the Main Endeavour Field, Northern Juan de Fuca Ridge: Geochemical controls in the aftermath of June 1999 seismic events. Journal of Geophysical Research 108(B9), 2429 (abstract).