Publications

PEER-REVIEWED PUBLICATIONS (ip - in press; r - in revision; s - submitted; Student co-authors in RED; undergraduates Italicized):

[for reprints/pdf's, please contact me]

Ryan, J.G. and C.H. Langmuir (1987) The systematics of lithium abundances in young volcanic rocks. Geochim. Cosmochim. Acta51, pp. 1727-1741.

Ryan, J.G. and C.H. Langmuir (1988) Beryllium systematics in young volcanic rocks: implications for 10Be. Geochim. Cosmochim. Acta 52, pp 237-244.

Bebout, G.E., Ryan, J.G. and W.P. Leeman (1991) Boron and beryllium concentrations in subduction-related metamorphic rocks of the Catalina Schist: implications for subduction-zone recycling. 1991 Report to the Director, Geophysical Laboratory, 23-29.

Tsvetkov, A A, O N Volynets, J.D. Morris, F. Tera, and J. G. Ryan (1991) Problema subduktsii osadkov v svete dannykh po geokhimii berilliya i bora v magmaticheskikh porodakh zony perehkoda okean-kontinent. (Sediment subduction in light of data on beryllium and boron geochemistry in magmatic rocks of the oceanic-continent transitional zone.) Izvestiya Akademii Nauk SSSR. Seriya Geologicheskaya, vol.1991, no.11, pp.3-25.

Ryan, J.G. and C.H. Langmuir (1993) The systematics of boron abundances in young volcanic rocks. Geochimica Cosmochimica Acta 57, 1489-1498.

Bebout, G.E., Ryan, J.G., and W.P. Leeman (1993) B-Be systematics in subduction-related metamorphic rocks: characterization of the subducted component. Geochim. Cosmochim. Acta 57 2227-2237.

Morris, J., Ryan, J.G., and Leeman W.P. (1993) Be Isotope and B-Be investigations of the historic eruptions of Mt. Vesuvius. J. Volcanol. Geotherm. Res. 58, 345-358.

Ryan, J.G., Morris J.D., Tera F., Leeman W.P. and Tsvetkov A. (1995) Cross-arc geochemical variations in the Kurile island arc as a function of slab depth. Science., 270, 625-628.

Ryan, J.G., Leeman, W.P., Morris, J.D. and Langmuir, C.H. (1996) The boron systematics of intraplate lavas: implications for crust and mantle evolution. Geochimica et Cosmochimica Acta. 60, 415-422.

Hochstaedter, A.F., Ryan, J.G., Luhr, J.F., and Hasenake, T. (1996) On B/Be systematics of the Mexican Volcanic Belt. Geochimica et Cosmochimica Acta. 60, 613-628.

Noll, P.D., Newsom, H.E., Leeman, W.P., and Ryan, J.G. (1996) The role of hydrothermal fluids in the production of subduction zone magmas: evidence from siderophile and chalcophile trace elements and boron. Geochimica et Cosmochimica Acta. 60, 587-611.

Tenthorey, E.A., Ryan, J.G. and Snow, E.A. (1996) The petrogenesis of a sapphirine-bearing meta-troctolite in the Buck Creek ultramafic body, Clay County, N.C. Journal of Metamorphic Geology,14, 103-114.

Ryan, J.G., J. Morris, G. Bebout, and W.P. Leeman (1996) Describing chemical fluxes in subduction zones: insights from "depth profiling" studies of arc and forearc rocks. In:Subduction: Top to Bottom, (G.E. Bebout, et al., eds.) AGU Monograph 96, 263-268.

Ryan, J.G. (1999) Beryllium. Encyclopedia of Geochemistry (Marshall, C., and R. Fairbridge, eds.) pp. 29-30.

Bebout, G.E., Ryan, J.G., Leeman, W.P., and Bebout, A.E. (1999) Fractionation of trace elements by subduction zone metamorphism: significance for models of crust-mantle mixing. Earth and Planetary Science Letters, 177, 69-83.

Tomascak, P. J.G. Ryan, and M.J.Defant (2000). Lithium isotopes and light elements depict incremental slab contributions to the subarc mantle in Panama. Geology, 28, 507-510.

Davis, R.A., 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, 39, 1107-1116.

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.

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.

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, 187, p. 273-282.

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, 40, p. 201-212.

Savov, I. J.G. Ryan, I. Haydoutov, and J. Schijf. (2001) Late Precambrian Balkan-Carpathian Ophiolite - a slice of the Pan-African ocean crust? Geochemical and tectonic insights from the Tcherni Vrah and Deli Jovan massifs, Bulgaria and Serbia. Journal of Volcanology and Geothermal Research, 110, 299-318.

Lentz, R.C.F., H.Y. McSween, J.G. Ryan, and R.L. Riciputi (2001) Water in martian magmas: Clues from light lithophile elements in shergottite and nakhlite pyroxenes.  Geochim. Cosmochim. Acta, 65, 4551-4565.

Hickey-Vargas, R., Sun, M., Lopez Escobar, L., H.M. Roa, M. Reagan, J. 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.

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.

Ryan, J.G. (2002) The trace-element behavior of beryllium in terrestrial materials. In Grew. E. ed.: Beryllium: Mineralogy and Geochemistry. Reviews of Mineralogy and Geochemistry, vol. 50, pp. 121-145.

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

Peterson, VL, J.G. Ryan, SP Yurkovich, SE Kruse and J. Burr A collaborative field-laboratory summer Research Experiences for Undergraduates (REU) program in geosciences. CUR Quarterly, Sept. 2003, p. 5-9.

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

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.

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, 5, 10.1029/2004GC000708.

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, 212, pp 125-142.

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. Proceedings of the Ocean Drilling Program, Scientific Results, 195, MS 195SR-103 (www-odp.tamu.edu/publications/195_SR/103/103.htm).

Savov, I.P., Ryan, J.G., Kelley, K. and Mattie, P.D. (2005) Geochemistry of serpentinites from the Mariana Forearc- Conical  Seamount, ODP Leg 125: describing fluid-mediated slab additions.  Geochemistry, Geophysics, Geosystems, 6, Q04J15 DOI10.1029/2004GC000777.

George, R., S. Turner, J. Morris, T. Plank, C. Hawkesworth and J.G. Ryan (2005) Pressure-temperature-time paths of sediment recycling beneath the Tonga-Kermadec Arc. Earth and Planetary Science Letters, 233, p. 195-211.

Savov, I.P., R. Hickey- Vargas, M. D'Antonio, and J.G. Ryan, (2005) Petrology and geochemistry of West Philippine back-arc basin basalts and early Palau-Kyushu Arc volcaniclasts from ODP Leg 195, Site 1201: Implications for the evolution of the Izu- Bonin-Mariana subduction factory. Journal of Petrology, 47, p. 277-299, doi:10.1093/petrology/egi075.

Ryan, J.G., S.P. Yurkovich, V.L. Peterson, J. Burr, S. Kruse, and the 2001 REU Site Program Participants. (2005) Geology and petrogenesis of mafic and ultramafic rocks of the Willets-Addie area, Central Blue Ridge, NC. In Hatcher, R.D. and Merschatt, A.J (eds.) Blue Ridge Geology Geotraverse East of the Great Smoky Mountains National Park, Western North Carolina: Guidebook of the 2005 Carolina Geological Society annual field trip, pp. 91-98.

Swanson, S., L. Raymond, R. Warner, J.G. Ryan, S. P. Yurkovich, V.L. Peterson (2005) Petrotectonics of mafic and ultramafic rocks in Blue Ridge terranes of western North Carolina and northern Georgia. In Hatcher, R.D. and Merschatt, A.J (eds.) Blue Ridge Geology Geotraverse East of the Great Smoky Mountains National Park, Western North Carolina. Guidebook of the 2005 Carolina Geological Society annual field trip, pp. 73-91.

Peterson, V., J.G. Ryan, S. P. Yurkovich, J. Burr, S. Kruse, and the 1997-2001 REU Site Program Participants (2006) The Petrogenesis and tectonic implications of Blue Ridge mafic-ultramafic rocks: The Buck Creek and Carroll Knob complexes, and rocks of the Addie-Willets region. 2006-2007 GSA Southeastern Section Field Trips guidebooks.

Singer, B.S., B.R. Jicha, W.P. Leeman, M.F. Thirwall, N.W. Rogers, and J.G. Ryan (2007) Along strike trace element and isotopic variation in the Central Aleutian island arc basalt: subducted sediments melt and and serpentine dehydrates Journal of Geophysical Research, 112, doi:10.1029/2006JB004897.

Savov,I.P., Ryan, J.G., D’Antonio, M. and P. Fryer (2007) Petrology and geochemistry of serpentinized peridotites from Mariana Forearc, South Chamorro Seamount, ODP Leg 195: Implications for the elemental recycling across and along the Mariana arc-basin system. Journal of Geophysical Research, 112, doi:10.1029/2006JB004749.

Agostini, S., J.G. Ryan, S. Tonarini, and F. Innocenti (2008) Drying and dying of a subducted slab: Coupled Li and B isotope variations in Western Anatolia Cenozoic volcanism. Earth Planet. Sci. Lett. 272, 139-147

Peterson, V.L., J.G. Ryan, and the 1997-1998 REU Site Program Participants (2008) Geochemistry and petrogenesis of the Buck Creek mafic/ultramafic complex, western North Carolina. Geological Society of America Bulletin, 129, pp. 615-629.

Walker, J.A., A. Teipel, J.G. Ryan, and E. Syracuse (2009) Light elements and Li isotopes across the northern portion of the Central American subduction zone. Geochemistry, Geophysics, Geosystems, 10, Q06S16, doi:10.1029/2009GC002414

Ryan, J.G., and DePillis, L. (2010) Effective Collaborations to support Transformative Research. In: Karukstis, et al., eds.: Transformative Research at Predominantly Undergraduate Institutions: Proceedings from the Transformative Research Summit, Snowbird, UT. Council on Undergraduate Research, p. 89-96

Lucas, MP., Ryan, J.G., Fauerbach, M., and Grasso, S., (2011) Lightcurve analysis of five taxonomic A-Class asteroids. Minor Planet Bulletin, 38-4, pp. 218-219.

Lucas, MP,, Ryan, J.G., and Fauerbach, M. (2012) A shape model of the taxonomic A-class asteroid 446 Aeternitas. Minor Planet Bulletin, 39-3, pp. 173-176.

Ryan, J.G. (2013) Chapter 8: Integration of Research into the Classroom and Curriculum, in Schuh, M, (ed.) Starting out in Undergraduate Research, Council on Undergraduate Research, Washington, DC, pp. 44-49.

Ryan, J.G. (2013) Chapter 9: Funding Classroom Innovation Across Disciplines Through the National Science Foundation Education and Human Resources Directorate, in Schuh, M. (ed.) Starting out in Undergraduate Research, Council on Undergraduate Research, Washington, DC, pp. 50-53.

Ryan, J.G., (2013) Embedding research practice activities into earth and planetary science courses through the use of remotely operable analytical instrumentation: interventions, and impacts on student perceptions and activities Tong, V. (ed). Geoscience Research and Education: Teaching at Universities. New York, Springer Verlag., p. 149-162.

Ryan, J.G. and Chauvel, C., (2014), “The Subduction Zone Conveyor and the Impact of Recycled Materials on the Evolution of the Mantle.” Chapter 3.13: The Mantle and Core (Carlson, R. Ed.), Treatise on Geochemistry, Second Edition p. 479-508.

Expedition 352 Scientists (2015) International Ocean Discovery Program Expedition 352 Preliminary Report - Testing subduction initiation and ophiolite models by drilling the outer Izu-Bonin-Mariana fore arc. doi:10.14379/iodp.pr.352.2015

Reagan, M.K., Pearce, J.A., Petronotis, K.E., and the Expedition 352 Scientists (2015) Proceedings of the International Ocean Discovery Program: Volume 352: Izu-Bonin-Mariana Fore Arc. doi:/10.14379/iodp.proc.352.2015. 

Li, H-Y., L-G. Xu, J.G. Ryan, X-L. Huang, Z-Y. Ren, H. Guo, Z-G. Ning (2016) Olivine and melt inclusion chemical constraints on the source of Si-saturated and Si-deficient basalts from the eastern North China Craton: toward a unified petrogenetic model for continental intraplate basalts. Geochim. Cosmochim. Acta, v. 178, pp. 1-19.

Zamboni, D., Gazel, E., Ryan, J.G.,  Cannatelli, C., Lucchi, F., Atlas, Z., Trela, J., S.E. Mazza, B. DeVivo (2016) Contrasting sediment melt and fluid signatures for magma components in the Aeolian Arc: Implications for numerical modeling of subduction systems.  Geochemistry Geophysics Geosystems,  DOI: 10.1002/2016GC006301.

H-Y Li, Z. Zhou, J.G. Ryan, G-J. Wei, and Y-G. Xu (2016) Boron isotopes reveal multiple metasomatic events in the mantle beneath the North China Craton. Geochimica et Cosmochimica Acta, v. 194, pp 77-90.

Ryan, J.G., Li, Y., Reagan, M., and the Expedition 352 Scientific Team (2017) Application of a handheld X-ray fluorescence spectrometer for real-time, high-density quantitative shipboard analysis of drilled igneous rock and sediment during IODP Expedition 352. Chemical Geology, 451, 55-66.

Reagan, M., Pearce, J. Petronotis, K., Almeev, R. Avery, A. Carvallo C., Chapman, C., Christeson, G., Ferre, E., Godard, M., Heaton, D., Kirchenbaur, M., Kurz, W. Kutterolf, S., Li, H-Y., Li, Y., Michobayashi, K., Morgan, S., Nelson, W., Prytulak, J., Python, M. Robertson, A., Ryan, J.G., Sager, W., Sakuyama, T., Shervais, J., Shimizu, K., and Whattam, S. (2017) Testing ophiolite models by drilling in-situ, subduction initiation ocean crust.  International Geology Review,  http://dx.doi.org/10.1080/00206814.2016.1276482.

Li, H-Y. Xu, Y-G. Ryan, J.G., Whattam, S. (2017) Evolution of the mantle beneath the eastern North China Craton during the Cenozoic: linking geochemical and geophysical observations.  Journal of Geophysical Research,  122, doi:10.1002/2016JB013486.

Ryan, J.G. (2016) Beryllium.  Entry for the Encyclopedia of Geochemistry, Second Edition,  doi:10.1007/978-3-319-39193-9_80-1.

Ryan, J.G. (2016) Lithium.  Entry for the Encyclopedia of Geochemistry, Second Edition,  doi:10.1007/978-3-319-39193-9_116-1.

Ryan, J.G. (2017) Lithium Isotopes.  Entry for the Encyclopedia of Geochemistry, Second Edition, doi:10.1007/978-3-319-39193-9_117-1.

Fryer, P., Wheat, G., Williams, T., and the Expedition 366 Scientists, 2017. Expedition 366 Preliminary Report: Mariana Convergent Margin and South Chamorro Seamount. International Ocean Discovery Program. https://doi.org/10.14379/iodp.pr.366.2017

Dixon, J., Bindeman I., Kingsley R., Simons K., LeRoux P. Rau Hajewski T., Swart P., Langmuir C., Ryan J.G., Walowski K., Wada I., and Wallace P., (2016) Light stable isotopic compositions of enriched mantle sources: resolving the dehydration paradox. Geochemistry Geophysics Geosystems, 18, 3801–3839. https://doi.org/10.1002/2016GC006743.

Fryer, P., Wheat, C.G., Williams, T., and the Expedition 366 Scientists (2018) Mariana Convergent Margin and South Chamorro Seamount. Proceedings of the International Ocean Discovery Program, 366: College Station, TX (International Ocean Discovery Program). https://doi.org/10.14379/iodp.proc.366.2018

Johnston, R., Ryan, J.G., and the Expedition 366 Science Team (2018) pXRF and ICP-AES characterization of shipboard rocks and sediments: protocols and strategies.   Fryer, P., Wheat, C.G., Williams, T., and the Expedition 366 Scientists, Proceedings of the International Ocean Discovery Program Volume 366. publications.iodp.org. https://doi.org/10.14379/iodp.proc.366.110.2018.

Wheat, C.G., Fournier, T., Paul, C., Menzies, C., Price, R., Ryan, J.G., and Sissman O (2018) Data report: IODP Expedition 366 pore water trace element (V, Mo, Rb, Cs, U, Ba, and Li) compositions. In Fryer, P., Wheat, C.G., Williams, T., and the Expedition 366 Scientists, Mariana Convergent Margin and South Chamorro Seamount. Proceedings of the International Ocean Discovery Program, 366: College Station, TX (International Ocean Discovery Program). https://doi.org/10.14379/iodp.proc.366.201.2018

Li, X., Li H-Y., Ryan, J.G., Wei G-J., Zhang, L., and Xu, Y-G. (2018) High-precision measurement of B isotopes on low-boron oceanic volcanic rock samples via MC-ICPMS: evaluating leaching effects on boron isotope compositions. Chemical Geology,  505, 76-85

Shervais, J.W., Reagan, M. Haugen, E., Almeev, R., Whattam, S., Pearce, J., Prytulak, J., Godard, M., Ryan, J.G., Chapman, T., Li, H-Y., Nelson, W., Kirchenbaur, M., Heaton, D., Kurz, W., Shimizu, K., Sakuyama, T., Li, Y., and Vetter, S.K. (2019) Magmatic response to subduction initiation, part 1: fore-arc basalts for the Izu-Bonin Arc from IODP Expedition 352.  Geochemistry Geophysics Geosystems,  DOI: 10.1029/2018GC007731 .

Li, H-Y., Taylor, R., Prytulak, J., Shervais, J., Ryan, J.G., Godard, M., Reagan, M.K. and Pearce J.A. (2019) Radiogenic isotopes document the start of subduction in the Western Pacific.  Earth and Planetary Science Letters, 518, 197-210

Li, H-Y, Xiang, L., Ryan J.G., Jie, L., Xu Y-G., (2019)  Molybdenum and boron isotope evidence for fluid-fluxed melting of intraplate upper mantle.   Earth and Planetary Science Letters, 520, 105-114,  DOI: 10.1016/j.epsl.2019.05.038

Fryer P., Wheat C.G., Williams T., Kelley C., Johnson K., Ryan J., Kurz W., Shervais J., Albers E., Bekins B., Debret B., Deng J., Dong Y., Eikenbusch P., Frery E., Ichiyama Y., Johnston R., Kevorkian R., Magalhaes V., Mantovanelli S., Menapace W., Menzies C., Michibayashi K., Moyer C., Mullane K., Park J-W., Price R., Sissmann O., Suzuki S., Takai K., Walter B., Zhang R., Amon D., Glickson D., and Pomponi S. (2017) Serpentinite mud volcanism exhumes subducted seamount materials.   Philosophical Transactions of the Royal Society A, https://doi.org/10.1098/rsta.2018.0425 .

Stern, R.J., Ryan J.G., Wang, N., Ricchezza, V. and Willis, S. (2020) Geoscience videos and animations: how to make them with your students, and how to use them in the classroom. GSA Today, v. 30, https://doi.org/10.1130/GSATG451GW.1.

Shervais, J., Reagan, M., Godard, M., Prytulak, J., Ryan, J.G., Pearce, J., Almeev, R., Li, H.-Y. , Haugen, E., Chapman, T., Kurz, W., Nelson, W., Heaton, D., Kirchenbaur, M., Shimizu, K., Sakuyama, T., Vetter, S., Li, Y. and Whattam, S. (2020)  Magmatic response to subduction initiation part II:  Boninites and releated rocks of the Izu-Bonin Arc from IODP Expedition 352.  Geochemistry Geophysics Geosystems, 22:1  https://doi.org/10.1029/2020GC009093.

Coulthard, D.A., Reagan M.K, Shimizu K., Bindeman, I., Brounce, M., Almeev, R., Ryan, J., Shervais, J., and Pearce, J. (2020) Subducted components in volcanic glasses recovered during IODP Expedition 352.  Geochemistry Geophysics Geosystems, 22:1, https://doi.org/10.1029/2020GC009054.

Fonseca R.O.C., Michely, L.T., , Kirchenbaur, M., Prytulak, J., Ryan J.G., Haucke K., Lietzke, F.P., Schellborn, R., Gerdes, A., Almeev, R., Marien, C.S., Gerdes, A., Schellhorn, R. (2020) Macroscopic globules in glasses from the Izu-Bonin fore-arc as a record of silicate melt-fluid exsolution.  Contributions to Mineralogy and Petrology, 176, https://doi.org/10.1007/s00410-020-01756-3

Mosher, S., Harrison, W., Huntoon, J., Keane, C., McConnell, D., Miller, K., Ryan, J.G., Summa, L., and White, L. (2021) Vision and Change in the Geosciences: The Future of Undergraduate Geoscience Education. (Mosher, S., and Keane, C., eds.) American Geosciences Institute, 176p.

Scholpp, J., Ryan, J.G., Luna, A., Hill, S., Mack, B. and Shervais, J. (2021) Petrologic evolution of boninite lavas from the IBM fore-arc, IODP Expedition 352: evidence for magma mixing during early subduction zone magmatism. American Mineralogist, in press, https://doi.org/10.2138/am-2021-7733.   

Li, H-Y., Zhao, R-P., Li, J., Tamura, Y., Spencer, C., Stern, R.L., Ryan, J.G., and Xu, Y-G. (2021) Molybdenum Isotopes unmask slab dehydration and melting at the Mariana arc. Nature Communications, 12:6015, https://doi.org/10.1038/s41467-021-26322.

Menzies, C., Price, R., Ryan, J.G., Sissman O., Wheat, G., Fryer, P., Williams T., and the Expedition 366 Scientists (2022) Spatial variation of subduction zone fluids during progressive subduction: Insights from Mariana Serpentinite Mud Volcanoes.  Geochimica et Cosmochimica Acta, 319, 118-124, https://doi.org/10.1016/j.gca.2021.10.030 .

Ryan, J.G. (2022) Virtualizing course-based undergraduate research in the geosciences: freely available geospatial data resources, and strategies for their use.  In Undergraduate Research in Online, Virtual, and Hybrid Courses (Coleman J., Hensel, N., Campbell, W. eds.) Sterling, VA, AACU/Stylus Publishing, pp 216-229.  

Li, H-Y., Xiang, L., Ryan, J.G., Zhang, C., and Xu, Y., (2022) Boron isotopes in boninites document rapid changes in slab inputs during subduction initiation  Nature Communications, 13, 993. https://doi.org/10.1038/s41467-022-28637-6. 

Scholpp, J., Ryan, J.G., Shervais, J. Stremtan, C., Rittner, M. Luna, A., Hill, S., Mack, B., and Atlas, Z. (2022) Petrologic evolution of boninite lavas from the IBM fore-arc, IODP Expedition 352: evidence for magma mixing during early subduction zone magmatism. American Mineralogist, 107, 572-586, https://doi.org/10.2138/am-2021-7733.

Ribiero J., MacLeod C., Lissenberg J., Ryan, J.G., MacPherson, C., and Straub, S. (2022) Origin and evolution of the slab fluids since subduction inception: a comparison with the southeast Mariana forear-arc rift. Chemical Geology, 601, July 2022, 120813, https://doi.org/10.1016/j.chemgeo.2022.120813

Pasek, M.A., Omran, A., Feng, T., Gull, M., Lang, C., Abbatiello, J., Garong, L., Johnston, R., Ryan, J. and Abbott-Lyon, H., 2022. Serpentinization as a route to liberating phosphorus on habitable worlds. Geochimica et Cosmochimica Acta, 336, pp. 332-340. 

Atlas, Z.D., Germa, A., Boss, B., Meireles, O., Ward, A. and Ryan, J.G., 2022. Variable element enrichment sources and contributions to volcanic rocks along the Lesser Antilles Island Arc. Frontiers in Earth Science, 10, p.782179.

Teagle, D.A.H., Reece, J., Coggon, R.M., Sylvan, J.B., Christeson, G.L., Williams, T.J., Estes, E.R., and the Expedition 393 Scientists (2023) Expedition 393 Preliminary Report: South Atlantic Transect 2. International Ocean Discovery Program. https://doi.org/10.14379/iodp.pr.393.2023

Li, H-Y., Xie, C., Ryan, J.G., Yang, C-M., Li, X., Zhao, R-P. and Xu, Y-G. (2023) Slab dehydration and magmatism in the Kurile arc as a function of depth: An investigation based on B-Sr-Nd-Hf isotopes. Chemical Geology, 621 January 2023, 121373, https://doi.org/10.1016/j.chemgeo.2023.121373 

Li, H-Y., Xie, C., Ryan, J.G., Spencer, C.J., Liu, L., and Y-G. Xu (2022) Pb-Sr isotopes of the Kurile arc provide evidence for Indian-type oceanic crust in the Pacific basin.  Lithos, 448–449,107174, https://doi.org/10.1016/j.lithos.2023.107174

Mosher, S., Ryan, J.G., and Keane, C., (2023) Vision and Change in the Geosciences: shaping the future of graduate geoscience education.  116 p.  AGI publishing, Washington, DC.  https://graduate.americangeosciences.org/  

Cook, M.L.,  Ricchezza, V.J., Ryan, J.G., Vacher H.L. and Sheffield, S.L., 2024, Changing habits of mind: a phenomenological view of how a Computational Geology course affected students’ geological numeracy.  Journal of Geoscience Education, 02 Jan 2024, DOI: 10.1080/10899995.2023.2293614.

Coggon, R.M, Teagle D.A.H., Sylvan, J.B., Reece J. Estes, E.R., Williams, T.J., Christeson, G.L. and the Expedition 390-393 Scientists, 2024, Proceedings of the International Ocean Discovery Program, Volume 390/393, South Atlantic Transect. https://doi.org/10.14379/iodp.proc.390393.2024 

Liu, L., Li, H-Y., Ryan, J.G., Morgan, J.P., Ren, K-X., and Xu, Y-G. (2024) Horizontally Forced initiation of the Izu-Bonin-Mariana subduction zone. Communications, Earth and Environment, https://doi.org/10.1038/s43247-024-01263-4. 

Pubs in Process:

Tian, H-C., Teng, F-Z., Chen, X-Y., Bindeman, I.N., Tomascak, P.B., and Ryan, J.G., (2023) Potassium isotope geochemistry in island arc volcanism.  Earth Planet. Sci. Lett, submitted.

Johnston, R., Ryan, J.G., and Atlas, Z., (2022) Fluid-mobile trace element variability of serpentinites across the Mariana Forearc: fluid and metamorphic controls on evolving slab signatures. For Chemical Geology. 

Zhao, R-P. , Li, H-Y., Ryan, J.G., Johnston, R., and Xu, Y. (2022) Serpentinite geochemistry documents the earliest hydration and dehydration of the subducting slab beneath the Mariana forearc.  For EPSL.

Peterson, V.L., Ryan, J.G.  (2022) Amphibolites as probes of terrane origins in the southern Blue Ridge.  For American Journal of Science.

Cook, M.L., Ryan, J.G., Bebeau, C.M., Sheffield S.L., and Rodgers, M. (2022) Student Affective Domain Impacts From A Mineralogy Virtual Field Trip: Informing Educators on How to Broaden Participation in the Geosciences.  In preparation.

Luna, A., Ryan, J.G., Atlas, Z., Huang, Z-L., and Hofig, T. (2022) South China Sea basalt compositions reflect slow spreading inputs to subduction systems. For Lithos?

Stern, R.J., Ryan, J.G., Vaughn, L., and Ricchezza, V. (2022) Student-generated video animations as instructional tools: “Three Great Ways to Melt the Mantle” Journal of Geoscience Education (Commentary), in preparation

Technical Reports and Other "Gray Literature"

Mroz, T.H., J.G. Ryan and C.W. Byrer [Editors] (1983) Methane recovery from coalbeds: a potential energy source. U.S. DOE: Morgantown Energy Technology Center, DOE/METC/83-76, 458 p.

Brinkmann R. and J.G. Ryan (1996) Background concentrations of metals in wetlands soils  In The Fourth Annual Research Symposium of the Florida Center for Solid and Hazardous Waste Management.

Brinkmann R., J.G. Ryan, and M. Billus (1997) Characteristics of street sweepings in Florida cities. In The Fifth Annual Research Symposium of the Florida Center for Solid and Hazardous Waste Management.

Brinkmann, R, and J.G. Ryan (1997) 1997 Background Concentration of Metals in Florida Soils, Report to the Florida Center for Solid and Hazardous Waste Management, 51 p.

Brinkmann, R., J.G. Ryan, M. Billus, B. Dwyer, and C. Emrich (1998) Chemical and Physical Characteristics of Street Sweepings Sediments in Tampa, Florida. Report to the Florida Center for Solid and Hazardous Waste Management, 116p.

Ryan, J.G. (1999) Too Hot, Too Cold, Just Right? The Development of a Habitable Planet based on Insights from Mars (and Other Worlds). Instructional module for an interdisciplinary natural science textbook (Published by the Coalition for Science Literacy).

Brinkmann, R., Tobin, G. and J.G. Ryan (1999) Street Sweeping and Storm Water Runoff, Phase I: Determining the most effective street sweeper. Report prepared for the Florida Department of Tranportation, District 7, 106 p.

Brinkmann, R., J.G. Ryan, and M. Billus (2000) Trace Metal Characteristics of Street Sweeping Sediments in Tampa, Florida. Published in the SUNY-Binghamton discussion paper series on environmental geography.

Brinkmann, R., Tobin, G. and J.G. Ryan (2001) Street Sweeping and Storm Water Runoff, Phase II: Testing the Effectiveness of Different Street Sweeping Strategies.  Report prepared for the Florida Department of Tranportation, District 7, 51p + Appendices A, B, C1, C2, D and E.

Manduca, C., Ryan, J.G. and Reed, D. (2007) Report on mini-workshop “Bringing MARGINS Science to the Classroom”. MARGINS Newsletter, no 19, Fall 2007.

Ryan, J.G. and Eriksson, S. (2011) Planning the Future of GeoCyberEducation. Report on a Workshop, January 6-8, 2010, Arlington, VA. http://www.unavco.org/edu_outreach/workshops/Planning_the_Future_of_Geocybereducation_Workshop_Report.pdf

Feineman, M., Penniston-Dorland, S., Savage, B., Ague, J., Bachman, O., Bebout, G., DeBari, S., Dick, H., Ryan, J.G., and Shervais, J. (2012) ExTerra: Understanding Convergent Margin Processes Through Studies of Exhumed Terranes.  White paper submitted to the NSF GeoPrisms Program. http://geoprisms.org/scd/exterra/2-uncategorised/281-exterra-white-paper.html

Mosher, S., Bralower, T., Huntoon, J., Lea, P., McConnell, D., Miller, K., Ryan J.G., Summa, L., Villalobos, J. and White, L. (2014) The Future of Undergraduate Geoscience Education: Summary report for the Summit on the Future of Undergraduate Geoscience Education, January 10-12, 2014. http://www.jsg.utexas.edu/events/files/Future_Undergrad_Geoscience_Summit_report.pdf

Educational Materials – Publicly available:

“Plate Tectonics as Expressed in Geological Landforms and Events: An Exploration using Google Earth™ and GeoMapApp” (2007) Part of the “MARGINS Data in the Classroom” Mini-Lesson collection, Science Education Resource Center, http://serc.carleton.edu/margins/minilessons/PTLandforms.html. Part of the On the Cutting Edge Exemplary Teaching Activity Collection

“Online Investigation of an Island Arc Volcano: Anatahan, Mariana Arc” (2007) Part of the “MARGINS Data in the Classroom” Mini-Lesson collection, Science Education Resource Center, http://serc.carleton.edu/margins/minilessons/17594.html.Part of the On the Cutting Edge Exemplary Teaching Activity Collection

“Serpentine Seamounts in the Mariana Forearc: Shallow Material Releases from Downgoing Plates” (2008) Part of the “MARGINS Data in the Classroom” Mini-Lesson collection, Science Education Resource Center, http://serc.carleton.edu/margins/minilessons/27411.html. Part of the Cutting Edge Peer Reviwed Teaching Activity Collection.

What Goes into Making Volcanic Arc Magmas, and How Do We Know It?” (2009) Part of “MARGINS Data in the Classroom” Mini-Lesson collection, Science Education Resource Center, http://serc.carleton.edu/margins/minilessons/35168.html

“Serpentinite in Subduction Zones: How do we find it, and how common is it?” (2009) Part of “MARGINS Data in the Classroom” Mini-Lesson collection, Science Education Resource Center, http://serc.carleton.edu/margins/minilessons/35304.html

An In-Class Demonstration and Activity Using the FCAEM Remotely Operable Electron Microprobe” (2010) Part of the “TeachingGeochemistry in the 21st Century” collection, Science Education Resource Center, http://serc.carleton.edu/NAGTWorkshops/geochemistry/activities/46409.html Part of the Cutting Edge Peer Reviewed Teaching Activity Collection

Mogk, D., Ryan, J.G., and Manley, P. (2011) Undergraduate Research as Teaching Practice. http://serc.carleton.edu/NAGTWorkshops/undergraduate_research/ On The Cutting Edge/Council on Undergraduate Research online resource collection.

Primary author:

“Preparing Undergraduates for Research in the Geosciences”, http://serc.carleton.edu/NAGTWorkshops/undergraduate_research/research_prep.html

“Obtaining Grant Support for Undergraduate Research in the Geosciences”, http://serc.carleton.edu/NAGTWorkshops/undergraduate_research/grant_support.html

“Accessing the New Geo-cyberinfrastructure for Undergraduate Research”, http://serc.carleton.edu/NAGTWorkshops/undergraduate_research/cyberinfrastructure.html

“A Term Research Project Focused on Electron Microprobe Studies of Unknowns in a Junior-Level Mineralogy/Petrology Course”, http://serc.carleton.edu/NAGTWorkshops/undergraduate_research/casestudy/electron_microprobe.html

Co-Author:

“Managing and Sustaining Research Programs”, http://serc.carleton.edu/NAGTWorkshops/undergraduate_research/management.html

“Optimizing Instrumentation in Support of Undergrad Research”, http://serc.carleton.edu/NAGTWorkshops/undergraduate_research/optimizing_instruments.html