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David Walker
Higgins Professor
Disciplines: 
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Research Affiliation: 
Lamont-Doherty Earth Observatory
walker.jpg
113 Comer
61 Route 9W - PO Box 1000
Palisades
NY
10964-8000
US
(845) 365-8658
Fax: 
(845) 365-8155
Fields of interest: 
Experimental Petrology

Examination of the chemical and physical evolution of the terrestrial planets by the methods of experimental petrology. Parallel interest in the development of new experimental techniques and new materials.

Education
AB
Oberlin
1968
AM
Harvard
1970
Ph.D.
Harvard
1972
Honors & Awards:
Member, National Academy of Sciences 1999
Day Medal, Geological Society of America 1994
Hess Medal, American Geophysical Union, 2010
Clarke Medal, Geochemical Society 1975
Educational Activities:
Solubility and Radwaste
Rocks and Minerals
Advanced Petrology Seminar (as appropriate)
Field Mapping W4013y (alternate years)
Alternate Energy Resources W4200y
Is the Earth's Core Leaking?
Chemical Geology W4009x (alternate years)
Introduction to Mineralogy W4113x (alternate years)
Selected Publications:
Partitioning of molybdenum to 60 kbar along a warped Fe-FeS liquidus, Walker, D.; Li, J. , Chemical Geology, Feb 28, Volume 248, Issue 3-4, p.166-173, (2008), DOI 10.1016/j.chemgeo.2007.04.006
Galena stability to 26 kbar, Wheeler, K. T.; Walker, D.; Johnson, M. C. , American Journal of Science, Mar, Volume 307, Issue 3, p.590-611, (2007), Doi 10.2475/03.2007.02
Constraints on core formation from Pt partitioning in mafic silicate liquids at high temperatures, Cottrell, E.; Walker, D. , Geochimica Et Cosmochimica Acta, Mar 15, Volume 70, Issue 6, p.1565-1580, (2006), DOI 10.1016/j.gca.2005.11.021
Core/mantle-like interactions in an electric field, Kavner, A.; Walker, D. , Earth and Planetary Science Letters, Aug 15, Volume 248, Issue 1-2, p.316-329, (2006), DOI 10.1016/j.epsl.2006.05.033
Experimental partitioning of uranium between liquid iron sulfide and liquid silicate: Implications for radioactivity in the Earth's core, Wheeler, K. T.; Walker, D.; Fei, Y. W.; Minarik, W. G.; McDonough, W. F. , Geochimica Et Cosmochimica Acta, Mar 15, Volume 70, Issue 6, p.1537-1547, (2006), DOI 10.1016/j.gca.2005.11.023
Core-mantle chemical issues, Walker, D. , Canadian Mineralogist, Oct, Volume 43, p.1553-1564, (2005)
Halite-sylvite thermoconsolution, Walker, D.; Verma, P. K.; Cranswick, L. M. D.; Clark, S. M.; Jones, R. L.; Buhre, S. , American Mineralogist, Jan, Volume 90, Issue 1, p.229-239, (2005)
Experimental partitioning of Tc, Mo, Ru, and Re between solid and liquid during crystallization in Fe-Ni-S, Lazar, C.; Walker, D.; Walker, R. J. , Geochimica Et Cosmochimica Acta, Feb, Volume 68, Issue 3, p.643-651, (2004)
Halite-sylvite thermoelasticity, Walker, D.; Verma, P. K.; Cranswick, L. M. D.; Jones, R. L.; Clark, S. M.; Buhre, S. , American Mineralogist, Jan, Volume 89, Issue 1, p.204-210, (2004)
Thermal equations of state for B1 and B2 KCl, Walker, D.; Cranswick, L. M. D.; Verma, P. K.; Clark, S. M.; Buhre, S. , American Mineralogist, Jul, Volume 87, Issue 7, p.805-812, (2002)
Synthesis and thermal decomposition of tetragonal RbClO4 and volume of fluid O-2 from 2 to 9 GPa, Walker, D.; Hughes, G.; Cranswick, L. M. D.; Clark, S. M.; Buhre, S. , Geochemistry Geophysics Geosystems, Oct 11, Volume 2, p.art. no.-2001GC000154, (2001)
Core participation in mantle geochemistry: Geochemical Society Ingerson Lecture, GSA Denver, October 1999, Walker, D. , Geochimica Et Cosmochimica Acta, Sep, Volume 64, Issue 17, p.2897-2911, (2000)
Rapid methods for the calibration of solid-state detectors, Walker, D.; Clark, S. M.; Jones, R. L.; Cranswick, L. M. D. , Journal of Synchrotron Radiation, Jan 1, Volume 7, p.18-21, (2000)