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JEFFREY A. KARSON |
DEPARTMENT CHAIRJESSIE PAGE HEROY PROFESSORSTRUCTURAL GEOLOGY & TECTONICS |
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Department of Earth Sciences Office: 204 Heroy Geology Laboratory Phone: 315.443.7976 |
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| Sheeted dike complex on the seafloor | Seafloor spreading analogs in Iceland |
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| ROV Hercules investigates the Lost City | Sheared serpentinites in an oceanic detachment fault |
Lost City Hydrothermal Vent System: Integrated geology, geochemistry, and biology investigations with D. Kelley (U of WA), G. Früh-Green (ETH-Zurich) and others.
Fast-spread oceanic crust and oceanic rifting at Hess Deep, Equatorial Pacific using the submersible Alvin, ROVs Jason II and Argo II with E. Klein (Duke U), S. Hurst (U of IL), J. Gee (SIO), R. Varga (Wooster), K. Gillis & L. Coogan (U Victoria), G. Christeson (UTIG), and others.
Oceanic crust exposed at the Blanco Transform Fault with J. Delaney (U of WA), M. Tivey (WHOI), E. Klein (Duke U), G. Christeson (UTIG), and others.
Superfast-spread oceanic crust at Pito Deep, SE Pacific investigated with the submersible Alvin, ROV Jason II, and DSL-120 side-scan sonar with D. Naar (USF), R. Hey (U of HI), J. Gee (SIO), R. Varga (Wooster), E. Klein and N. Hayman (Duke U), K. Gillis & L. Coogan, U Victoria) and others.
Seafloor spreading and transform faulting in Iceland (with K. Sæmundsson, B. Brandsdóttir (U of Iceland), R. Varga (Wooster), and others.
Geological and geophysical investigations of the Macquarie Island ophiolite complex with G. Davidson (U Tas), C. Finn (USGS), and others.
B.S. (Geology) Case Institute of Technology (CWRU), 1972
M.S. (Geology) State University of New York at Albany (SUNYA), 1975
Ph.D. (Geology) State University of New York at Albany, 1977
Postdoctoral Fellow, University of Toronto, 1977-1979
Postdoctoral Scholar, Woods Hole Oceanographic Institution (WHOI), 1979-1980
Assistant Scientist, Department of Geology and Geophysics, WHOI, 1980-1984
Summer Faculty Fellow, Department of Geology and Planetology, Jet Propulsion Lab, California Institute of Technology, 1984 and 1985
Associate Scientist, Department of Geology and Geophysics, WHOI, 1984-1986
Associate Professor, Department of Geology, Duke University, 1986-1992
Professor, Department of Geology, Duke University, 1992-1996
Research Fellow, Danish Lithosphere Center, 1994-2000
Chairman, Division of Earth & Ocean Sciences, NSEES, Duke University, 1996-2000
Professor, Division of Earth & Ocean Sciences, NSEES, Duke University, 1996-2006
Professor, Department of Earth Sciences, Syracuse University, 2006-2007
Department Chair and Jessie Page Heroy Professor, 2007-present: Department of Earth Sciences, Syracuse University
* Karson, J.A., Internal structure of oceanic lithosphere: A perspective from tectonic windows, in Faulting and Magmatism at Mid-Ocean Ridges, edited by W.R. Buck, P.T. Delaney, J.A. Karson and Y. Lagabrielle, American Geophysical Union Geophysical Monograph 106, 177-218, 1998.
* Karson, J.A., C.K. Brooks, M. Storey, and M. Pringle, Tertiary faulting and pseudotachylytes in the east Greenland volcanic rifted margin: Seismogenic faulting during magmatic construction, Geology, 26, 39-42, 1998.
* Lawrence, R.M., J.A. Karson, and S.D. Hurst, Dike orientations and fault-block rotations in slow-spread oceanic crust at the SMARK Area, Mid-Atlantic Ridge at 22°40'N, J. Geophys. Res., 103, 663-676, 1998.
* Curewitz, D. and J.A. Karson, Ultracataclasis, sintering, and frictional melting in Tertiary pseudotachylytes from East Greenland, J. Struct. Geol., 21, 1693-1713, 1999.
* Karson, J.A., Geological investigation of a lineated massif at the Kane transform: Implications for oceanic core complexes, Phil. Trans. Roy. Soc. Lond., 357, 713-740,1999.
* Karson, J.A. and C.K. Brooks, Structural and magmatic segmentation of the Tertiary East Greenland volcanic rifted margin, in Continental Tectonics, edited by C. MacNiocaill and P. Ryan, Geological Society of London, Special Publication 164, 313-338, 1999.
* Hefferan, K.P., H. Admou, J.A. Karson and A. Saquaque, Anti-Atlas (Morocco) role in Neoproterozoic Western Gondwana reconstruction, Precambrian Res., 103, 89-96, 2000.
* Gillis, K.M., K. Muehlenbachs, M. Stewart, T. Gleeson, and J.A. Karson, Fluid flow patterns in fast-spreading East Pacific Rise crust exposed at Hess Deep, J. Geophys. Res., 106, 26,311-26,329, 2001.
* Karson, J.A., Oceanic crust when Earth was young, Science, 292, 1076-7, 2001.
* Kelley, D.S., J.A. Karson, D.K. Blackman, G.L. Früh-Green, D.A. Butterfield, M.D. Lilley, E.J. Olson, M.O. Schrenk, K.K. Roe, G.T. Lebon, P.A. Rivizzigno and the AT3-60 Shipboard Party, An off-axis hydrothermal vent field near the Mid-Atlantic Ridge at 30° N, Nature, 412, 145-149, 2001.
* Blackman, D.K., J.A. Karson, D.S. Kelley, J.R. Cann, G. L. Früh-Green, J.S. Gee, S.D. Hurst, B.E. John, J. Morgan, S.L. Nooner, D.K. Ross, T.J. Schroeder and E.A. Williams, Geology of the Atlantis Massif (Mid-Atlantic Ridge, 30°N): Implications for the evolution of an ultramafic oceanic core complex, Mar. Geophys. Res. 23, 443-469, 2002.
* Hefferan, K.P., H. Admou, Hilal, R., J.A. Karson, S. Samson, A. Saquaque, and J.M. Kornprobst, Proterozoic blueschist-bearing mélange in the Anti-Atlas Mountains, Morocco, Precambrian Research, 118, 179-194, 2002.
* Karson, J.A., Geologic structure of the uppermost oceanic crust created at fast- to intermediate-rate spreading centers, Ann. Rev. Earth Planet. Sci., 30, 347-384, 2002.
* Karson, J.A., E.M. Klein, S.D. Hurst, C.E. Lee, P.A. Rivizzigno, D. Curewitz, A.R. Morris, and Hess Deep ‘99 Scientific Party, Structure of uppermost fast-spread oceanic crust exposed at the Hess Deep Rift: Implications for subaxial processes at the East Pacific Rise, Geochemistry, Geophysics, Geosystems (G-Cubed), 3, doi:10.1029/2001GC000155], 2002.
* Karson, J.A., M.A. Tivey, and J.R. Delaney, Internal structure of uppermost oceanic crust along the western Blanco Transform Scarp: Implications for subaxial accretion and deformation at the Juan de Fuca Ridge, J. Geophys. Res., 107(B9), 2181, doi:10.1029/2000JB000051, 2002.
* Lawrence, R.M., J.S. Gee, and J.A. Karson, Magnetic anisotropy of serpentinized peridotites from the MARK Area: Implications for the orientation of mesoscopic structures and major fault zones, J. Geophys. Res., 107(B4), 2073, doi:10.1029/2000JB000007, 2002
* Stewart, M.A., E.M. Klein and J.A. Karson, The geochemistry of dikes and lavas from the north wall of the Hess Deep Rift: Insights into the four-dimensional character of crustal construction at fast-spreading mid-ocean ridges, J. Geophys. Res., 107, doi 10, 1029/2001JB000545, 2002.
* Alt, J.C., G. Davidson, D.A.H. Teagle and J.A. Karson, The isotopic composition of gypsum in the Macquarie Island Ophiolite: Implications for sulfur cycle and the subsurface biosphere in oceanic crust, Geology, 31, 549-552, 2003.
* Früh-Green, G.L., D.S. Kelley, S.M. Bernasconi, J.A. Karson, C. Boschi, K.A. Ludwig, D.A. Butterfield, 30,000 Years of Hydrothermal Activity at the Lost City Hydrothermal Field, Science 301, 495-498, 2003.
* Karson, J.A. and G.L. Christeson, Comparison of geologic and seismic structure of uppermost fast-spread oceanic crust: Insights from a crustal cross section at the Hess Deep Rift, in Small-Scale Crustal Heterogeneity: Nature, Scaling, and Seismic Properties, edited by J.A. Goff and K. Holliger, Kluwer/Plenum Publishing, NY, 99-129, 2003.
* Stewart, M.A., E.M. Klein, J.A. Karson and J.G. Brophy, Geochemical relationships between dikes and lavas at the Hess Deep Rift: Implications for magma eruptibility, J. Geophys. Res,, 108(B4), 2184, doi:10.1029/2001JB001622, 2003.
* Rivizzigno, P.A. and J.A. Karson, Mid-ocean ridge fault zones preserved on Macquarie Island: Faulting, hydrothermal processes and magmatism in an oblique-spreading environment, Geology 32, 125-128, 2004.
* Varga, R.G., J.A. Karson and J.S. Gee, Paleomagnetic constraints on deformation models for oceanic crust exposed at the Hess Deep Rift: Implications for axial processes at the East Pacific Rise, J. Geophys. Res. 109 (B2102), doi:10.1029/2003JB002486, 2004.
* Stewart, M.A., J.A. Karson and E.M. Klein, Four-dimensional upper crustal construction at fast-spreading mid-ocean ridges: A perspective from an upper crustal cross-section at the Hess Deep Rift, J. Volcanology Geothermal Res. 144, 287-309, 2005.
* Karson, J.A., J. Francheteau, J.S. Gee, K.M. Gillis, N.W. Hayman, R. Hékinian, R.N. Hey, S.D. Hurst, E.M. Klein, D.F. Naar, R.J. Varga and Pito Deep 2005 Scientific Party, Nested-scale investigation of tectonic windows into super-fast spread crust exposed at the Pito Deep Rift, Easter Microplate, SE Pacific, InterRidge Newsletter, 14, 5-8, 2005.
* Kelley, D.S., J.A. Karson, G.L. Früh-Green, D.R. Yoerger, T.M. Shank, D.A. Butterfield, J.M. Hayes, M.O. Schrenk, E. Olson, G. Proskurowski, M. Jakuba, A. Bradley, B. Larson, K. Ludwig, D. Glickson, K. Buckman, A.S. Bradley, B. Brazelton, K. Roe, M.J. Eland, A. Delacour, S.M. Bernasconi, M.D. Lilley, J.A. Baross, R.E. Summons, and S.P. Sylva, Geological, biological, and hydrothermal processes at the Lost City Vent Field: A serpentinites-hosted ecosystem: The Lost City Hydrothermal Field, Science 307, 1428-1434, 2005.
* Pollock, M.A., E.M. Klein, J.A. Karson, and M. A. Tivey, Temporal and spatial variability in the composition of lavas exposed along the Western Blanco Transform Fault, G-cubed 6 (11), doi:10.1029/2005GC001026, 2005.
* Boschi, C., G.L Früh-Green, A.G. Delacour, D.S. Kelley, and J.A. Karson, Mass transfer and fluid flow during detachment faulting and development of an oceanic core complex, Atlantis Massif (MAR 30°N), G-cubed 7(1), doi:10.1029/2005GC001074, 2006.
* Karson, J.A., G.L. Früh-Green, D.S. Kelley, E.A. Williams, D.R. Yoerger, and M. Jakuba, Detachment shear zone on the Atlantis Massif Core Complex, Mid-Atlantic Ridge 30°N, G-Cubed 7 (6), Q06016, doi:10.1029/2005GC001109, 2006.
Hess Deep Expedition: http://www.nicholas.duke.edu/hessdeep/hessdeep.html
Lost City Cruise 2003: http://www.lostcity.washington.edu
Lost City NOAA Exploration: http://oceanexplorer.noaa.gov/explorations/05lostcity
Macquarie Island: http://www.aad.gov.au/stations/macca
Pito Deep Cruise 2005: http://www.nicholas.duke.edu/pitodeep/index.html
Institute of Earth Sciences, University of Iceland (and Geology of Iceland): http://www2.norvol.hi.is/page/ies_forsida
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