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Susan L. Halgedahl
Associate Professor

Contact:
Office: 225 FASB
Phone: (801) 585-3964
s.halgedahl@utah.edu


FIELD OF STUDY
Rock Magnetism

BACKGROUND
  • B.S., Applied Physics, 1975, University of California at San Diego (UCSD)
  • Ph.D., Geological Sciences, 1981, University of California at Santa Barbara (UCSB)
  • Elected Fellow of the American Geophysical Union for seminal work in rock magnetism.

RESEARCH INTERESTS & PROJECTS
Rock magnetism.

Exceptional preservation of fossils and its relation to sequence stratigraphy.

RECENT PUBLICATIONS
Halgedahl, S. L., MAGNETIC DOMAINS, invited article in Encyclopedia of Geomagnetism and Paleomagnetism, Springer-Verlag-Kluwer, in press, 2006.

Handwerger, D. A. and S. L. Halgedahl, Calculated effects of grain-size distributions on the hysteresis parameters of glass-ceramic magnetite, Geochemistry, Geophysics, and Geosystems, in review, 2006.

Briggs, D.E.G., Lieberman, B.S., Hendricks, J. R., Halgedahl, S.L. and R.D. Jarrard, Middle Cambrian arthropods from Utah, Journal of Paleontology, in review, 2006.

Halgedahl, S.L., Jarrard, R.D., Allison, P.A. and C.E. Brett, Geophysical proxies of sea level change in the Upper Wheeler Formation, Drum Mountains, west-central Utah: A perspective into exceptional preservation of fossils, Palaeogeography, Palaeoclimatology, Palaeoecology, in review, 2006.

Briggs, D.E.G., Lieberman, B.S., Halgedahl, S.L. and R.D. Jarrard, A new metazoan from the middle Cambrian of Utah and the nature of the Vetulicolia, Palaeontology, v. 48, part 4, 681-686, 2005.

Ye, J., and S.L. Halgedahl, Theoretical effects of mechanical grain-size reduction on GEM domain states in pyrrhotite, Earth Planet. Sci. Lett., v. 178, 73-85, 2000.

Halgedahl, S.L., and J. Ye, Observed effects of mechanical grain-size reduction on the domain structure of pyrrhotite, Earth Planet. Sci. Lett., v. 176, 457-467, 1999.

Halgedahl, S.L., Revisiting the Lowrie-Fuller test, Earth Planet. Sci. Lett., v. 160, 257-271, 1998.

Halgedahl, S.L., Barkhausen jumps in large versus small platelets of natural hematite, J. Geophys. Res.,v. 103, B12, 30,575-30,589, 1998.

Suk, D., and S.L. Halgedahl, Hysteresis properties of magnetic spherules versus whole-rock specimens from some Paleozoic platform carbonates, J. Geophy. Res., v.101, B11, 25,053-25,0075, 1996.

Halgedahl, S.L., Bitter Patterns versus hysteresis behavior in small single particles of hematite, J. Geophys. Res., v.100, B1, 353-364, 1995.



Department of Geology and Geophysics
115 S. 1460 E, Room 383 • Salt Lake City, UT 84112-0102 • Phone: (801) 581-7062
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