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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@cas.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
81786GLY 3311C001Solid Earth: Petrology/Geochem
4WF8:35am-12:25pmCHE 313
85169GLY 4947L001Blue Ridge Microanalysis
1F2:00pm-4:00pmCHE 218
89626GLY 6255001Tracer Geochemistry
3W2:00pm-4:45pmSCA 534
85351GLY 6905002Independent Study
1-19  TBA TBA
84795GLY 6971008Thesis: Master's
2-19  TBA TBA
84213GLY 7912008Directed Research
1-30  TBA TBA
87586GLY 7980006Dissertation: 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.