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Research Highlights

CONTACTS

Thomas J. Shankland

Geophysicist


Contact

  • 505-667-4907 - Phone
  • 505-667-8487 - FAX

 

Professional Societies

  • American Physical Society
  • The Institute of Physics (1967-1988)
  • American Geophysical Union
  • European Geophysical Society
  • Sigma Xi
  • American Association for the Advancement of Science
  • International Society for Rock Mechanics (1977-1989)

 

Honors and Awards

  • Alexander von Humboldt Fellow, 1997-98, 2006
  • Los Alamos Achievement Award, 1996
  • Fellow of the American Geophysical Union, 1994
  • CNRS Poste Rouge, France, 1991-1992
  • NATO Postdoctoral Fellow, 1967-1968
  • NSF Fellow: University of Bristol, 1958-1959; Harvard University, 1959-1961
  • Phi Beta Kappa

 

Education

  • Ph.D., Harvard University, 1966
  • M.A., Harvard University, 1960
  • B.A., Harvard College, 1958, summa cum laude

 

Positions Held

  • Alexander von Humboldt Fellow, Bayerisches Geoinsitut, Universit Bayreuth, 1997-1998.
  • CNRS Poste Rouge and Geophysicien, Institut de Physique du Globe de Paris, France, 1991-1992.
  • Visiting Fellow, Department of Earth Sciences and in Clare Hall, Cambridge University, England, 1983-1984.
  • Adjunct Professor, University of New Mexico Center for Graduate Studies at Los Alamos, 1980-1981.
  • Leader, Basic Research Section of Geophysics Group, 1991- 1992.
  • Visiting Assistant Professor of Geophysics, California Institute of Technology, February - August, 1972.
  • Staff Member, Geophysics Groups, Los Alamos National Laboratory, 1975 to present.
  • Assistant and Associate Professor of Geology, Harvard University, 1968-1975.
  • NATO Postdoctoral Fellow and Temporary Lecturer, University of Newcastle Upon Tyne, England, 1966-1968.
  • Research Assistant, Applied Physics, Harvard University, 1961-1966.
  • Research Assistant, Los Alamos Scientific Laboratory, Los Alamos, New Mexico, Summer, 1960.
  • Junior Physicist, Shell Development Corporation, Houston, Texas, Summer, 1958.

 

Affiliations

  • Alexander von Humboldt Fellow, GeoForschungsZentrum-Potsdam, Germany, May-August, 2006
  • Member of Working Group I-3 on Electromagnetic Induction and Electrical Conductivity in the Earth and Moon, International Association of Geomagnetism and Aeronomy, 1975-1983.
  • Member of Lunar and Planetary Review Panel, 1976-1978.
  • Member of NRC U.S. National Committee for Rock Mechanics, Special Study of Rock Mechanics Research Requirements, Subpanel on Thermophysical Properties, 1979-1981.
  • Member of Committee on Mineral Physics, American Geophysical Union, 1983-1986.
  • NSF Earth Sciences Proposal Review Panel, Working Groups on Experimental and Theoretical Geophysics and on Seismology, 1984-1987.
  • Member of Research Advisory Council of Earth and Space Science Division, LANL, 1984-1989.
  • Focus Leader for Mineral Physics/Earth Materials, Los Alamos branch of the University of Californias Institute of Geophysics and Planetary Physics.
  • Member of Commission on Physical Properties of Materials of the Earth's Interior for the International Association of Seismology and Physics of the Earth's Interior + International Association of Volcanology and Chemistry of the Earth's Interior (IASPEI/IAVCEI), 1992-.
  • Associate Editor, Physics of Earth and Planetary Interiors, 1992 -
  • Advisory Committee Member, Studies of the Earth's Deep Interior (SEDI), 1998-
  • Associate Editor, Geochemistry, Geophysics, Geosystems (G3), 2000-

 

Links

 

Recent Publications

  • Khan, A. and T. J. Shankland, A geophysical perspective on Earth's mantle water content and melting: Inverting electromagnetic sounding data using laboratory-based electrical conductivity profiles, Earth and Planetary Science Letters, 317-318, 27-43, (2012) [doi:10.1016/j.epsl.2011.11.031]. (7.7 MB PDF File)
  • Shankland, T. J., F. R. Schilling, B. Gibert, and K. Gratz, Thermal Diffusivity and Conductivity Measurements: Effect of Sample Length and Radiation, Eos, Trans. AGU, 86 (52), Fall Meeting Supplement, Abstract MR23C-0075, 2005.
  • Johnson, P. A., A. Migliori, and T. J. Shankland, Continuous Wave Phase Detection for Probing Nonlinear Elastic Interactions in Rock, J. Acoust. Soc. Am., 89, 598-603 (1991).
  • Hirsch, L. M., and T. J. Shankland, Determination of Defect Equilibria in Minerals, J. Geophys. Res., 95, 377384 (1991).
  • Hirsch, L. M., and T. J. Shankland, Equilibrium Point Defect Concentrations in MgO: Understanding the Mechanisms of Conduction and Diffusion and the role of Iron Impurities, J. Geophys. Res., 95, 385403 (1991).
  • Hirsch, L. M., and T. J. Shankland, Point Defects in (Mg,Fe)SiO3 Perovskite, Geophys. Res. Letters, 18, 13051308 (1991).
  • Hirsch, L. M., and T. J. Shankland, Quantitative Modeling of the Point Defect Structures of Fe-Doped MgO and MgSiO3 Perovskite, in Ceramic Transactions, Vol. 24, Point Defects and Related Properties of Ceramics, edited by T. O. Mason and J. L. Routbort, The American Ceramic Society, Westerville, Ohio, pp. 153-160 (1992).
  • Constable, S. C., T. J. Shankland, and A. G. Duba, Conductivity of Isotropic Olivine, J. Geophys. Res., 97, 3397-3404 (1992).
  • Shankland, T. J., and R. J. O'Connell, Obituary of Francis Birch, Physics Today, 45, No. 11, 105-106 (1992).
  • Johnson P. A., T. M. Hopson, and T. J. Shankland, Frequency Domain Travel Time (FDTT) Measurement of Ultrasonic Waves by Use of Linear and Nonlinear Sources, J. Acoust. Soc. Am., 92, 2842-2850 (1992).
  • Shankland, T. J., P. A. Johnson, and T. M. Hopson, Elastic Wave Attenuation and Velocity of Berea Sandstone Measured in the Frequency Domain, Geophys. Res. Letters, 20, 391-394 (1993).
  • Hirsch, L. M., and T. J. Shankland, Olivine Point Defect Chemical Model and the Role of Fe-impurities: Insights on Electrical Conduction, Diffusion, and Creep, Geophys. J. Int., 144, 21-35 (1993).
  • Hirsch, L. M., T. J. Shankland, and A. G. Duba, Electrical Conductivity and Polaron Mobility in Fe-Bearing Olivine, Geophys. J. Int., 144, 36-44 (1993).
  • Johnson, P. A., T. M. Hopson, T. J. Shankland, and B. P. Bonner, Parametric Beam Formation in Rock, Review of Progress in Quantitative Evaluation, vol. 11b, edited by D. O. Thompson and D. E. Chimenti, Plenum, New York, pp. 2049-2055 (1993).
  • Johnson, P. A., G. D. Meegan, K. R. McCall, T. J. Shankland, R. A. Guyer, and B. P. Bonner, Pulse-Mode Measurement of Harmonic Generation in Rock, Advances in Nonlinear Acoustics, edited by H Hobk, World Scientific, Singapore, pp. 525-530 (1993).
  • Poirier, J.-P., and T. J. Shankland, Dislocation Melting of Iron and the Temperature of the Inner Core Boundary, Revisited, Geophys. J. Int., 115, 147-151 (1993).
  • Shankland, T. J., J. Peyronneau, and J.-P. Poirier, Electrical Conductivity of the Earth's Lower Mantle, Nature, 366, 453-455 (1993).
  • Bahr, K., N. Olsen, and T. J. Shankland, On the Combination of the Magnetotelluric and the Geomagnetic Depthsounding Method for Resolving an Electrical Conductivity Increase at 400 km Depth, Geophys. Res. Letters, 20, 2937-2940 (1993).
  • Poirier, J.-P., and T. J. Shankland, Dislocation Theory of Melting for Iron, Revisited, in High-Pressure Science and Technology1993, edited by S. C. Schmidt, J. W. Shaner, G. A. Samara, and M. Ross, American Institute of Physics, New York, pp. 927-930 (1994).
  • Peyronneau, J., J.-P. Poirier, and T. J. Shankland, Electrical Conductivity of PerovskiteMagnesiowstite as a Function of Pressure and Temperature, in High-Pressure Science and Technology1993, edited by S. C. Schmidt, J. W. Shaner, G. A. Samara, and M. Ross, American Institute of Physics, New York, pp. 1465-1468 (1994).
  • O'Connell, R. J. and T. J. Shankland, Francis Birch (19031992), Quarterly Jour. R. astr. Soc., 35, 223-224 (1994).
  • Johnson, P. A., T. J. Shankland, B. P. Bonner, and B. J. Wanamaker, Laboratory and Field Observation of Parametric Beam Formation in Rock, (invited), Proceedings of the 14th International Congress on Acoustics, Beijing, China, September 3-10, 1992, A1-6, (1994).
  • Bonner, B. P., B. J. Wanamaker, P. A. Johnson, T. J. Shankland, The Origin of Nonlinear Response in Rock, Proceedings of the 14th International Congress on Acoustics, Beijing, China, September 3-10, 1992, A1-6, (1994).
  • Mathez, E. A., A. G. Duba, C. L. Peach, A. Lger, T. J. Shankland, and G. Plafker, Electrical Conductivity and Carbon in Metamorphic Rocks of the Yukon-Tanana Terrane, Alaska, J. Geophys. Res., 100, 10,18710,196 (1995).
  • Johnson, P. A., J. A. TenCate, K. E.-A. Van Den Abeele, A. Kadish, T. J. Shankland, R. Cherry, K. R. McCall, and R. A. Guyer, Nonlinear Elastic Wave Interaction in a Sandstone Bar: A Summary of Recent Pulse-Mode Experiments, Proceedings of the 15th International Conference on Acoustics (ICA'95), Trondheim, Norway, 26-30 June 1995, vol. I, 89-92 (1995).
  • Van Den Abeele, K. E.-A., J. A. TenCate, R. A. Guyer, K. R. McCall, P. A. Johnson ,and T. J. Shankland, Extreme Nonlinearity In Rocks: An Investigation Using Elastic Pulse Wave Propagation, Proceedings of the 15th International Conference on Acoustics (ICA'95), Trondheim, Norway, 26-30 June 1995, vol. I, 193-196 (1995).
  • Brown, J. M., and T. J. Shankland, Robert G. McQueen (1924-1994), Eos, Trans. AGU, 76, No. 49, 5 Dec. (1995).
  • Zhao, Y., D. Schiferl, and T. J. Shankland, Thermoelasticity of MgSiO3 Orthoenstatite, Phys. Chem. Minerals, 22, 393-398 (1996).
  • Ten Cate, J. A., K. E.-A. Van Den Abeele, T. J. Shankland, and P. A. Johnson, Laboratory Study of Linear and Nonlinear Elastic Pulse Propagation in Sandstone, J. Acoust. Soc. Am., 100, 1383-1391 (1996).
  • Ten Cate, J. A., and T. J. Shankland, Slow Dynamics in the nonlinear elastic response of Berea sandstone, Geophys. Res. Letters, 23, 3019-3022 (1996).
  • Zhao, Y., R. B. Von Dreele, T. J. Shankland, D. J. Weidner, J. Zhang, Y. Wang, and T. Gasparik, Thermoelastic Equation of State of Jadeite NaAlSi2O6: An Energy-Dispersive Study of Low Symmetry and Multiple Phase Diffraction, Geophys. Res. Letters, 24, 5-8 (1996).
  • Shankland, T. J., A. G. Duba, E. A. Mathez, C. Peach, Increase of Electrical Conductivity with Pressure as an Indicator of Conduction through a Solid Phase in Mid-Crustal Rocks, J. Geophys. Res., 102, 14741-14750 (1997).
  • Ten Cate, J. A., and T. J. Shankland, Slow Dynamics and Nonlinear Response at Low Strains in Berea Sandstone, Proceedings of the 16th International Congress on Acoustics and 135th Meeting of the Acoustical Society of America, 3, P. A. Kuhl and L. A. Crum, Eds., American Institute of Physics, New York, NY, 1565-1566, (1998).
  • Xu, Y., B. T. Poe, T. J. Shankland, and D. C. Rubie, Electrical Conductivity of Minerals of the Mantle Transition Zone, Science, 280, 1415-1418 (1998).
  • Roberts, J. J., A. G. Duba, E. A. Mathez, T. J. Shankland, and Rosamond Kinzler, Carbon-Enhanced Electrical Conductivity During Fracture of Rocks, J. Geophys. Res., 104, 737-747, 1999.
  • Xu, Y., and T. J. Shankland, Electrical Conductivity of Orthopyroxene and its High Pressure Phases, Geophys. Res. Letters., 26, 2645-2648 (1999).
  • Ostrovsky, L. A., P. A. Johnson, and T. J. Shankland, The Mechanism of Strong Nonlinear Elasticity in Earth Solids, in Nonlinear Acoustics at the Turn of the Millennium: ISNA 15, W. Lauterborn and T. Kurz, eds., American Institute of Physics, Melville NY, pp. 75-84 (2000).
  • Ten Cate, J. A., E. Smith, L. W. Byers, and T. J. Shankland, Slow Dynamics Experiments in Solids with Nonlinear Mesoscopic Elasticity, in Nonlinear Acoustics at the Turn of the Millennium: ISNA 15, W. Lauterborn and T. Kurz, eds., American Institute of Physics, Melville NY, pp. 303-306 (2000).
  • Xu, Y., T. J. Shankland, and A.G. Duba, Pressure Effect on Electrical Conductivity of Mantle Olivine, Phys.Earth Planet. Interiors, 118, 149-161, (2000).
  • Xu, Y., T. J. Shankland, and B. T. Poe, Laboratory-Based Electrical Conductivity in the Earth's Mantle, J. Geophys. Res., 105, 27,865-27,875, (2000).
  • O. Vakhnenko, O, Vakhnenko, V, and Shankland, T. J., Soft-ratchet modeling of end-point memory in the nonlinear resonant response of sedimentary rocks, Physical Review B-71. (2005) (PDF File - 188 KB)

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