Research Interests

• Marine geophysics, geology, and geodynamics
• Geodynamics of hotspots and ocean ridges
• Numerical modeling of crustal and mantle dynamics
• Numerical modeling of geophysical fluid flow processes
• Geophysics of the Florida coast
• Rare gas geochemistry

Selected Publications

• Georgen, J., 2008, Mantle flow and melting beneath oceanic ridge-ridge-ridge triple junctions, Earth Planet. Sci. Lett., accepted.


• Georgen, J., 2007, North-south asymmetry in Iceland plume-ridge interactions: Effects of the Tjornes FZ, Geology, revised for.


• Georgen, J., M. Kurz, H.J.B. Dick, and J. Lin, 2003, Low 3He/4He ratios in basalt glasses from the western Southwest Indian Ridge (10-24 deg. E), Earth Planet. Sci. Lett., 206, 509-528.


• Georgen, J. and J. Lin, 2003, Plume-transform interactions at ultra-slow spreading ridges: Implications for the Southwest Indian Ridge, Geochem. Geophys. Geosys., 4(9), 9106, doi: 10.1029/2003GC000542.


• Georgen, J. and J. Lin, 2002, Three-dimensional passive flow and temperature structure beneath oceanic ridge-ridge-ridge triple junctions, Earth Planet. Sci. Lett., 204, 115-132.


• Georgen, J., J. Lin, and H.J.B. Dick, 2001, Evidence from gravity anomalies for interactions of the Marion and Bouvet hotspots with the Southwest Indian Ridge: Effects of transform offsets, Earth Planet. Sci. Lett., 187, 283-300.


• Harris, R.N., Garven, G., Georgen, J., McNutt, M., Christiansen, L., and Von Herzen, R., 2000, Submarine hydrogeology of the Hawaiian archipelagic apron, Part 2: Numerical simulation of coupled heat transport and fluid flow, J. Geophys. Res., 105, 21371-21386.


• Cannat, M., Briais, A., Deplus, C., Escartin, J., Georgen, J., Lin, J., Mercouriev, S., Meyzen, C., Muller, M., Pouliquen, G., Rabain, A., and da Silva, P., 1999, Mid-Atlatic Ridge-Azores hotspot interactions: along-axis migration of a hotspot-derived event of enhanced magmatism 10 to 4 Ma ago, Earth Planet. Sci. Lett., 173, 257-269.