To Request Reprints

To Request Reprints, or pdf versions of the articles below,, Please send me an email at:

ryan@shell.cas.usf.edu

Articles available as pdf files:

Savov, I.P., S. Guggino, J.G. Ryan, P. Fryer, and M. Mottl (2004) 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.

Peterson, V.L., J.G. Ryan, S.P. Yurkovich, S.E. Kruse, and J. Burr (2003) A collaborative field-laboratory summer Research Experiences for Undergraduates (REU) Program in Geosciences. CUR Quarterly, Sept. 2003 p. 5-9 (also published online, http://www.cur.org)

Morris, J.D. and J.G. Ryan (2003) Subduction zone processes and implications for changing composition of the upper and lower mantle. Treatise on Geochemistry, Part 2: The Mantle (Carlson, R., ed.), Chapter 2.11, pp. 451-470.

George, R., S. Turner, C. Hawkesworth, J. Morris, C. Nye, J.G. Ryan and S-H. Zheng (2003) Melting processes and fluid and sediment transport rates along the Alaska-Aleutian arc from and integrated U-Th-Ra-Be isotope study. Journal of Geophysical Research, v. 108, no. B5, 2252,doi:10.1029/2002JB001916.

Tomascak, P.B., E. Widom, L. D. Benton, S.J. Goldstein, and J. G. Ryan, (2002) The control of lithium budgets in island arcs . Earth and Planetary Science Letters, v. 196, pp 227-238

Hickey-Vargas, R., M. Sun, L. Lopez-Escobar, H. Moreno-Roa, M.K. Reagan, J.D. Morris, and J. G. Ryan (2002) Multiple subduction components in the mantle wedge: evidence from eruptive centers in the Central Southern volcanic zone, Chile. Geology, 30: 199-202.

Lentz, R.C.F., H.Y. McSween, Jr., J.G. Ryan , L. Riciputi, (2001) Water in martian magmas: Clues from light lithophile elements in shergottites and nakhlites. Geochimica et Cosmochimica Acta, 65: 4551-4565.

Savov, I . P.J.G. Ryan, I. Haydoutov, and J. Schijf. (2001) Late Precambrian Balkan-Carpathian ophiolite - a slice of Pan-African ocean crust? Geochemical and tectonic insights from the Tcherni Vrah and Deli Jovan masifs, Bulgaria and Serbia. Journal of Volcanology and Geothermal Research, 10: 299-318.

Berger, S, Cochrane, D., Simons, K. Savov I. , J.G. Ryan, and V.L Peterson (2001) Insights from rare earth elements into the genesis of the Buck Creek Complex and other Blue Ridge ultramafic bodies. Southeastern Geology, vol. 40, no. 3, pp. 201-212.

Benton, L.D., J.G. Ryan , and F. Tera (2001) Boron isotope systematics of slab fluids as inferred from a serpentinite seamount, Mariana forearc. Earth and Planetary Science Letters, vol. 187, p. 273-282.

McSween, H.Y., Jr., T.L. Grove, R.C.F. Lentz, J.C. Dann, A.H. Holzheid, L.R. Riciputi, and J.G.Ryan (2001) Geochemical evidence for magmatic water within Mars from pyroxenes in the Shergotty meteorite . Nature, vol. 409, p. 487-490.

Dixon, J.E., K. Simons, L. Leist, C. Eck, J. Ricisak, J. Gifford, and J.G. Ryan (2000), Provenance of stone celts from the Miami Circle archaeological site. The Florida Anthropologist , 53, 328-341.

Davis, R.A., Jr., A.T. Welty , J. Borrego, J.A. Morales, J.G. Pendon, and J.G. Ryan, 2000, Rio Tinto estuary (Spain): 5000 years of pollution. Environmental Geology, vol. 39, 1107-1116.

P.B. Tomascak, J.G. Ryan , and M.J. Defant , 2000 Lithium isotope evidence for light element decoupling in the Panama subarc mantle Geology vol. 28, pp. 507-510.

G. Bebout, J.G. Ryan , W.P. Leeman, and A.E. Bebout, 1999, Fractionation of trace elements during subduction-zone metamorphism - effect of convergent margin thermal evolution Earth and Planetary Science Letters vol. 171, pp. 63-81.

Link back to Publications page

Link back to Jeff Ryan's Homepage

Link to USF Geology Homepage