Recent Presentations at Professional Meetings (students underscored ):

Ryan, J.G. (2004) Strategies for supporting and sustaining undergraduate research programs.  Submitted to the 2004 AGU Fall Meeting, San Fransisco, CA.

Teipel, A.P., J.G. Ryan, J.A. Walker (2004) Light Elements Across the Central American Arc, SE Guatemala.  Submitted to the 2004 AGU Fall Meeting, San Fransisco, CA.

Morris, J.D., and J.G. Ryan (2004) Beryllium Isotope and Combined Be and U-series Isotope Studies of Volcanic Arcs: Implications for Fluid and Melt Transport Through the Mantle Wedge.  Submitted to the 2004 AGU Fall Meeting, San Fransisco, CA.

King, R.L.,I.P. Savov, G.E. Bebout, S. Tonarini, J.G. Ryan (2004) Metasomatic Mechanisms for Fractionation of Slab-Derived B Isotope Signatures Within the Mantle Wedge: Evidence From HP-Metasomatized Peridotites.  Submitted to the 2004 AGU Fall Meeting, San Fransisco, CA.

Rom, E.L., J.G. Ryan, G. Muller-Parker (2004) Broadening the Impact of Your Science.  Submitted to the 2004 AGU Fall Meeting, San Fransisco, CA.

Ryan, J.G. (2004) NSF Programs can support research and education in National Parks.  Submitted to the 2004 Geological Society of America Annual Meeting.

Ryan, J.G. (2004)  Be-B-Li insights and the "revolution" in subduction studies.  Keynote lecture, Session G04.02, 32nd International Geological Congress, Florence, Italy.

Savov, I.P., S. Tornarini, J.G. Ryan, and M. Mottl (2004) Boron isotope geochemistry of serpentinites and porefluids from Leg 195, Site 1200: S.Chamorro Seamount, Mariana forearc region.  Presented at the 32nd International Geological Congress, Florence Italy.

Zack, T., I.P. Savov, and J.G. Ryan (2004) Storage of light elements in the forearc mantle wedge: SIMS measurements of serpentinites from ODP Leg 195.  Presented at the 32nd International Geological Congress, Florence Italy.

Ryan, J.G. (2004) Trace and Major Element Insights (and Caveats) into the Tectonic Origins of Metamorphosed Mafic and Ultramafic Rocks. Presented at the 17th International Basement Tectonics Conference, Knoxville, TN.

<>Ryan, J.G. and Peterson, V.L. (2004) Geochemically Distinct Mafic/Ultramafic Rocks Indicate Different Southern Blue Ridge Terranes?  Presented at the 17th International Basement Tectonics Conference, Knoxville, TN.

Peterson,  V.L., J.G. Ryan, and S.Lehman (2004) Amphibolites as a tool for fingerprinting terranes in the Blue Ridge of western North Carolina.  Presented at the Geological Society of America NE-SE Section Meeting, Tysons Corner, VA.

Ryan, J.G. (2003) Undergraduate research in geochemistry at a larger university: developing a community of undergraduate and graduate researchers.  EOS Trans. AGU, v. 84 Fall Meeting Suppl.  Abs. ED11B-0106.

Hendren, M., and J.G. Ryan (2003) Light element systematics of Woodlark Basin volcanic rocks - evidence for old and new slab inputs? EOS Trans. AGU, v. 84 Fall Meeting Suppl.  Abs. V52A-0419.

Fuller, T., R. Johnston, E. Mui, J.G. Ryan, J.F. Allan (2003) Insights into off-axis volcanism in the Trans Mexican Volcanic Belt: B-Li-Be systematics of lavas from the Colima Graben and the Michouacan-Guanojuato Volcanic Field. EOS Trans. AGU, v. 84 Fall Meeting Suppl.  Abs. V52A-0420.

Valentine, R B, J D Morris, J G Ryan, K A Kelley, S H Zheng (2002) 10Be Systematics of Incoming Sediments and Arc Lavas at the Izu and Mariana Convergent Margin.  Presented at the 2002 AGU Fall Meeting.

Savov, I.P.,J.G. Ryan, L-H. Chan, M. D'Antonio, M. Mottl, and P. Fryer (2002) Geochemistry of Serpentinites from the S.Chamorro Seamount, ODP Leg 195, Site 1200, Mariana Forearc- Iimplications For Recycling at Subduction Zones.  Presented at the V.M. Goldschmidt Conference, Davos, Switzerland.

Ryan, J.G., Savov, IP, and Benton, LD (2002) B, Li and Be Insights into forearcs, arcs and beyond.  Presented at the 2002 AGU Spring Meeting, Washington, DC

Guggino, S., Savov IP, and Ryan, JG (2002) Light element systematics of metamorphic clasts from ODP Legs 125 and 195, South Chamorro and Conical Seamounts, Mariana forearc.  Presented at the 2002 AGU Spring Meeting, Washington, DC

Harden, J.A. , Ryan, J.G. and Savov, IP (2002) Goechemistry and light element systematics of Moorea, Society Islands.  Submitted to the 2002 AGU Spring Meeting, Washington, DC

Tornabene, L.L. , J. G. Ryan and R. H. Stewart (2002) The Gatun structure: a petrographic and geochemical investigation into a possible Tertiary impact structure near Gamboa, Republic de Panama. Presented at the 33rd Lunar and Planetary Science Conference.

Ryan, J.G., Benton, L. and Savov, I. (2001) Isotopic and elemental signatures of the forearc, and its impacts on subduction recycling: evidence from the Marianas. Presented at the 2001 AGU Fall Meeting, San Fransisco, CA.

Savov, I.P., Hickey-Vargas, R. J.G. Ryan, and Massimo D'Antonio (2001) Pb Isotopic Ratios in Volcanic Rocks From ODP Leg 195, Site 1201, West Philippine Basin. Presented at the 2001 AGU Fall Meeting, San Fransisco, CA.

Leat, P.T., R.D. Larter, I.L. Millar, J.D. Morris, J.G. Ryan, S. Fretzdorff, and J.A. Pearce (2001) Magmatism in the South Sandwich island arc and the East Scotia Sea. Presented at the conference on Intra-Oceanic Subduction Systems: Tectonic and Magmatic Processes , Geological Society of London, 9/13-14, 2001.

Foster, G ., J.G. Ryan, and P.R. Kyle (2001) Fluid-mobile elements as tracers in intraplate volcanic Environments: Mt. Erebus, Ross Island, Antarctica. Presented at the 2001 AGU Spring Meeting, Boston, MA

Tornabene, L. J.G. Ryan, and R.L. Stewart (2001) A petrographic and geochemical investigation into a possible Tertiary impact site, central Panama. Presented at the 2001 AGU Spring Meeting, Boston, MA.

Lentz, R.C.F., J.G. Ryan, L.R. Riciputi, and H.Y. McSween, Jr. (2000) Water in the Martian Mantle: Clues from Light Lithophile Elements in Martian Meteorites. Presented at the 31st Lunar and Planetary Science Conference, Houston, TX.

Tomascak, P.B., L.D. Benton, J.G. Ryan, and L. Widom (2000) Lithium Isotopes and Light Element Behavior in the Subarc Mantle: A Multiple-Arc Study. Presented at the 2000 AGU Spring Meeting, Washington, DC.

Palanseau, M. and J.G. Ryan (2000) A study of metals contamination related to mining and smelting industries in Baia Mare, Northern Romania. Presented at the 2000 GSA Annual Meeting, Reno, NV.

Ryan, J.G. and P.R. Kyle (2000) Lithium isotope systematics of McMurdo Volcanic Group lavas, and other intraplate sites. Presented at the 2000 AGU Fall Meeting, San Fransisco, CA.

Savov, I.P., J.G. Ryan, P. Mattie, and J. Schijf (2000) Fluid-Mobile element systematics of ultramafic xenoliths from the Izu-Bonin-Mariana forearc: implications for the chemical cycling in subduction zones. Presented at the 2000 AGU Fall Meeting, San Fransisco, CA.

Singer, B., W.P. Leeman, M. Thirwall, J.G. Ryan, Z. Sharp, and N. Rogers (2000) Subducted components and mantle melting in the central and eastern Aleutian Arc: Insights from the trace element and isotopic composition of basalt . Presented at the 2000 AGU Fall Meeting, San Fransisco, CA.

Ryan, J.G. (2001) A Program of Geochemical research for undergraduates: from perquisite to part of the curriculum. Presented at the 2001 AGU Spring Meeting, Boston, MA.

Peterson, V.L., Ryan, J.G., Yurkovich, S.P., Kruse, S., Burr, J.L. (2001) A Successful Collaborative Field-Laboratory Summer Research Experiences for Undergraduates (REU) Program Based in The Southern Appalachian Blue Ridge. Presented at the 2001 GSA Annual Meeting, Boston, MA.

Ryan, J.G., Peterson, V. L, Yurkovich, S.P., Burr, J.L., Kruse, S.E. (2001) Mafic and Ultramafic rocks of the Olistostromal assemblages of the Blue Ridge in SW NC: insights into Convergent Margin Processes of the Paleozoic. Presented at the 2001 GSA Annual Meeting, Boston, MA.

REU Program Abstracts and Publications

Abstracts of Presentations from 2000 and earlier

Link Back to Jeff Ryan's Homepage

Link Back to USF Geology Homepage