
Jeffrey Ryan
Jeffrey Ryan
Professor & Chair
Contact
Office: SCA 528
Lab: SCA 117
Phone: 813/974-1598
Email: ryan@usf.edu
Links
Education
Ph.D., Columbia University, 1989
Research
Geochemistry and Petrology of Subduction Zones, Modern and Ancient. Geochemical Evolution of the Earth's Mantle. Petrogenesis of Ultramafic Rocks. Appalachian Geology and Tectonics. Meteoritic/Planetary Geochemistry.

Current Courses
Recent Publications
Savov, I.P., J.G. Ryan, P. Fryer, and M. D'Antonio (2005) Geochemistry of serpentinites from the Mariana forearc - Conical Seamount, ODP Leg 125: describing fluid-mediated slab additions. Geochemistry, Geophysics, Geosystems vol. 6, Q04J15 DOI10.1029/2004GC000777.
Savov, I.P., S. Guggino, J.G. Ryan, P. Fryer, and M. Mottl (2005) Geochemistry of serpentine muds and metamorphic rocks from the Mariana Forearc, ODP Sites 1200 and 778 -779, S.Chamorro and Conical seamounts. ODP Scientific Results, volume 195.
Ryan, J.G. and Kyle, P.R., (2004) Lithium and lithium isotope variations in intraplate mantle sources: insights from McMurdo Group lavas (Mt. Erebus) and other intraplate volcanic rocks. Chemical Geology, v. 212, pp 125-142.
Benton, L., J.G. Ryan, and I. Savov (2004) Lithium abundance and isotope systematics of forearc serpentinites, Conical Seamount, Mariana forearc: Insights into the mechanisms of slab/mantle exchange during subduction. Geochemistry, Geophysics, Geosystems, v. 5, 10.1029/2004GC000708.
Lang, H., Lee, A., Peterson, V. and J.G. Ryan (2004) Coexisting clinpyroxene/spinel and amphibole/spinel symplectites in metatroctolites from the Buck Creek ultramafic body, North Carolina Blue Ridge, USA. American Mineralogist, v. 89, pp. 20-30.