Randy Keller


Office: 541-737-7648

Wilkinson Hall

Wilkinson Hall 258

2601 SW Orchard Avenue

2601 SW Orchard Avenue
Corvallis, Oregon 97331

Profile Field Tabs

Brief Research Interests: 

Marine geology, igneous geochemistry



Marine Geology, Igneous Geochemistry

Research Interests

Chemical geodynamics of mantle plumes and subduction zones; Hotspot - spreading ridge interaction; Volcanology of seamounts; Origin of diamonds


BS Geology (with Honors), University of Florida, 1985
MS Marine Geology, Oregon State University, 1989
PhD Marine Geology, Oregon State University, 1996


GEO 101 - The Solid Earth
GEO 103 - Exploring the Deep: Introduction to Oceanography (online via OSU Extended Campus)
GEO 305 - Living with Active Cascades Volcanoes (online via OSU Extended Campus)


Calabozo, F.M., J.A. Strelin, Y. Orihashi, H. Sumino, R.A. Keller, 2015, Volcano-ice-sea interaction in northwest James Ross Island, Antarctic Peninsula. J. Volc. Geotherm. Res. doi:10.1016/j.jvolgeores.2015.03.011

Chadwick, J., R, Keller, G. Kamenov, G. Yogodzinski, and J. Lupton, 2014, The Cobb hot spot: HIMU-DMM mixing and melting controlled by a progressively thinning lithospheric lid. Geochem. Geophys. Geosys. 15, 3107?3122, doi:10.1002/2014GC005334

Chaytor, J.D., R.A. Keller, R.A. Duncan, and R.P. Dziak, 2007. Seamount morphology in the Bowie and Cobb hotspot trails, Gulf of Alaska. Geochem. Geophys. Geosys. 8(9), doi:10.1029/2007GC001712.

Keller, R.A., D.W. Graham, K.A. Farley, R.A. Duncan, and J.E. Lupton, 2004. Cretaceous to recent record of elevated helium isotopes along the Hawaiian-Emperor volcanic chain. Geochem. Geophys. Geosys. 5(12), doi:10.1029/2004GC000739.

Fretzdorff, S., T.J. Worthington, K.M. Haase, R. Hékinian, R.A. Keller, and P. Stoffers, 2004. Magmatism in the Bransfield Basin: Rifting of the South Shetland Arc? J. Geophys. Res., 109, B12208, doi:10.1029/2004JB003046.

Duncan, R.A., and R.A. Keller, 2004. Radiometric ages for basement rocks from the Emperor Seamounts, ODP Leg 197. Geochem. Geophys. Geosys. 5, doi:10.1029/2004GC000704.

Keller, R.A., M.R. Fisk, J.L. Smellie, J.A. Strelin, L.A. Lawver, and W.M. White, 2002. Geochemistry of back arc basin volcanism in Bransfield Strait, Antarctica: Subducted contributions and along-axis variations. J. Geophys. Res. 107(B8):4-1-4-17.

Klinkhammer, G.P., C.S. Chin, R.A. Keller, A. Dahlmann, H. Sahling, G. Sarthou, S. Petersen, F. Smith, and C. Wilson, 2001. Discovery of new hydrothermal vent sites in Bransfield Strait, Antarctica, Earth Planet. Sci. Lett. 193: 395-407.

Keller, R.A., M.R. Fisk, and W.M. White, 2000. Isotopic evidence for Late Cretaceous plume-ridge interaction at the Hawaiian hotspot. Nature, 405: 673-676.

Taylor, L.A., R.A. Keller, G.A. Snyder, W. Wang, W.D. Carlson, E.H. Hauri, T. McCandless, K.-R. Kim, N.V. Sobolev, and S.M. Bezborodov, 2000. Diamonds and their mineral inclusions, and what they tell us: A detailed "pull-apart" of a diamondiferous eclogite. International Geology Review 42: 959-983.

Keller, R.A., L.A. Taylor, G.A. Snyder, V.N. Sobolev, W.D. Carlson, S.M. Bezborodov, and N.V. Sobolev, 1999. Detailed pull-apart of a diamondiferous eclogite xenolith: Implications for mantle processes during diamond genesis, Proceedings, 7th Intl. Kimb. Conf., Cape Town, 1: 397-402.

Strelin, J.A. G. Re, R. Keller, and E. Malagnino, 1999. New evidence concerning the Plio-Pleistocene landscape evolution of southern Santa Cruz region, J. So. Am. Earth Sci., 12: 333-341.

Keller, R.A., R.A. Duncan, and M.R. Fisk, 1997. 16 m.y. of hotspot and nonhotspot volcanism on the Patton-Murray seamount platform, Gulf of Alaska, Geology, 25(6): 511-514.

Lawver, L.A., B.J. Sloan, D.H.N. Barker, M. Ghidella, R.P. von Herzen, R.A. Keller, G.P. Klinkhammer, and C.S. Chin, 1996. Distributed active extension in Bransfield Basin, Antarctic Peninsula: Evidence from multibeam bathymetry, GSA Today, 6(11):1-6.