Personal Website: |
http://science.oregonstate.edu/~kellerr/ |
Year
hired: |
2005 |
Specialty: | Marine Geology, Igneous Geochemistry |
Research
interests: |
Chemical geodynamics of mantle plumes and subduction zones
Hotspot - spreading ridge interaction
Volcanology of seamounts
Origin of diamonds
|
Recent
Publications: |
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 backarc 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. Interantional
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. |
Courses
taught: |
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) |
Degrees: |
B.S., University of Florida (Geology), with Honors, 1985
M.S., Oregon State University (Marine Geology), 1989
Ph.D., Oregon State University (Marine Geology), 1996 |
Office: |
Wilkinson 113 |
Email: |
kellerr<at>geo.oregonstate.edu |
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