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Jeffrey  Ryan

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
RefCourseSecCourse TitleCRDayTimeLocation
51669GLY 6905001Independent Study
1-19


TBA TBA
53353GLY 6971011Thesis: Master's
2-19


TBA TBA
53428GLY 7912011Directed Research
1-30


TBA TBA
56076GLY 7980011Dissertation: Doctoral
2-19


TBA TBA

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.