Brian Stewart

Associate Professor
Isotope Geochemistry

Geology & Planetary Science
413 SRCC
4107 O'Hara Street
University of Pittsburgh
Pittsburgh, PA 15260

412-624-8883

Degree

PhD in Geochemistry, 1990
University of California at Los Angeles
Curriculum Vitae

Research Areas

  • Radiogenic isotope geochemistry
  • Nutrient cycling in soils
  • Geochronology and paleoenvironments of paleosols
  • Paleohydrology of arid regions
  • Environmental impact of coal and its byproducts

Courses Offered

  • GEOL 0800 Geology
    Introduction to geology for beginning majors and non-majors. Offered every term (alternate with Professor Jones).
  • GEOL 1001 Mineralogy
    Chemistry, physics and petrogenesis of minerals; introduction to the petrographic microscope. For mid-level geology majors. Offered every fall term.
  • GEOL 2520 Isotope Geochemistry
    Radiogenic and non-traditional stable isotope systematics. Graduate level. Offered alternate years.
  • GEOL 2740 Planetary Geochemistry
    Chemistry and chronology of the solar system and terrestrial planets. Graduate level. Offered occasionally.

Representative Publications

Cole, R.B. and Stewart, B.W. (in press, 2008) Continental margin volcanism at sites of spreading ridge subduction: Examples from southern Alaska and western California. Tectonophysics.

Ewing, S., Yang, W., DePaolo, D.J., Michalski, G., Kendall, C., Stewart, B.W., Thiemens, M. and Amundson, R. (2008) Non-biological fractionation of stable Ca isotopes in soils of the Atacama Desert, Chile. Geochimica et Cosmochimica Acta 72, 1096-1110.

Wolfe, A.L., Liu, R., Stewart, B.W., Capo, R.C. and Dzombak, D.A. (2007) A method for generating uniform size-segregated pyrite particle fractions, Geochemical Transactions 8:9 doi:10.1186/1467-4866-8-9; 8p.

Pretti, V.A. and Stewart, B.W. (2002) Solute sources and chemical weathering in the Owens Lake watershed, eastern California. Water Resources Research 10.1029/2001WR000370.

Stewart, B.W., Capo, R.C., and Chadwick, O.A. (2001), Effects of precipitation on weathering rate and base cation provenance in volcanic soils, Kohala Peninsula, Hawaii, Geochimica et Cosmochimica Acta 65, 1087-1099.

Addidtional Links

Chart of the Nuclides