dwalker
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Profile
Higgins Professor
Earth and Environmental Sciences
Geochemistry
113 Comer
61 Route 9W - PO Box 1000
Palisades
NY
10964-8000
US
Phone:
(845) 365-8658
Fax:
(845) 365-8155

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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.
Honors & Awards:
Clarke Medal, Geochemical Society 1975
Day Medal, Geological Society of America 1994
Member, National Academy of Sciences 1999
Hess Medal, American Geophysical Union, 2010
Educational Activities:
Introduction to Mineralogy W4113x (alternate years)
Chemical Geology W4009x (alternate years)
Alternate Energy Resources W4200y
Field Mapping W4013y (alternate years)
Advanced Petrology Seminar (as appropriate)
Featured in the Following Videos:
Selected Publications:
Partitioning of molybdenum to 60 kbar along a warped Fe-FeS liquidus
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
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
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
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
Geochimica Et Cosmochimica Acta
Mar 15
Volume: 70
Issue: 6
p.: 1537-1547
(2006)
DOI 10.1016/j.gca.2005.11.023
Experimental partitioning of Tc, Mo, Ru, and Re between solid and liquid during crystallization in Fe-Ni-S
Geochimica Et Cosmochimica Acta
Feb
Volume: 68
Issue: 3
p.: 643-651
(2004)
Thermal equations of state for B1 and B2 KCl
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
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
Geochimica Et Cosmochimica Acta
Sep
Volume: 64
Issue: 17
p.: 2897-2911
(2000)
Rapid methods for the calibration of solid-state detectors
Journal of Synchrotron Radiation
Jan 1
Volume: 7
p.: 18-21
(2000)