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    Department of Geology and Geophysics



Full-time Faculty

Huiming Bao, Assistant Professor

Associate Professor (Ph.D. Princeton University, 1998)
Stable isotope geochemistry; Carbonate petrology.

Contact Information:

Office:E338 Howe-Russell
Telephone:(225) 578-3419(office), 578-3413(lab)
Fax:(225) 578-2302

Courses Taught
  • Geology 1001 - Physical Geology
  • Geology 7081- Stable Isotope Geochemistry
Current Research Interests

Atmospheric deposition and post-depositional processes in hyperarid settings.

Volcanic sulfur emission and subsequent atmospheric oxidation and deposition.

Early Earth and its atmosphere; Major events in Earth history.

Oxygen isotope composition of oxyanions.

  • Ph.D., 1998, Princeton University, New Jersey
Selected Recent Publications

Schiffbauer, J. D., Yin, L.-M., Bondnar, R. J. Kaufman, A. J., Meng, F.W., Hu, J., Shen, B., Yuan, X.-L., Bao, H. M., and Xiao, S. H., 2007, Ultrastructural and geochemical characterization of Archean–Paleoproterozoic graphite particles: Implications for recognizing traces of life in highly metamorphosed rocks. Astrobiology, 7(4), 684-704, DOI: 10.1089/ast.2006.0098.

Bao, Huiming, Rumble III, D., Lowe, D. R., 2007, The five stable isotope compositions of the Fig Tree barites: Implications on sulfur cycle in an early Archean ocean. Geochimica et Cosmochimica.doi: 10.1016/j.gca.2007.05.032.

Bao, H., Thiemens, M.H., Loope, D.B. and Yuan, X.-L., 2003. Sulfate oxygen-17 anomaly in an Oligocene ash bed in mid-North America: Was it the dry fogs? Geophysical Research Letters, 30(16)

Bao, H. and Reheis, M.C., 2003. Multiple oxygen and sulfur isotopic analyses on water-soluble sulfate in bulk atmospheric deposition from the southwestern United States. Journal of Geophysical Research, D: Atmosphere, 108(D14)

Bao, Huiming, and Reheis, M., in press, Multiple oxygen and sulfur isotopic analyses on water-soluble sulfate in bulk atmospheric deposition from southwestern U. S. A. Journal of Geophysical Research Atmosphere

Bao, Huiming, Thiemens, M. H., Loope, D. B., and Yuan, X-L., in press, Widespread sulfate oxygen-17 anomaly in Cenozoic ash beds in mid-North America: Was it the dry fogs? Geophysical Research Letters.

Bao, Huiming, Thiemens, M. H., and Heine, K., 2001, Oxygen-17 excesses of the central Namib gypcretes: Spatial distribution. Earth & Planetary Science Letters 192. 125-135.

Bao, Huiming, Greg Michalski, and Mark H. Thiemens, 2001, Sulfate oxygen-17 anomalies in desert varnishes. Geochim. Cosmochim. Acta 65 (13), 2029-2036.

Bao, Huiming, Douglas A. Campbell, James G. Bockheim, Mark H. Thiemens, Origin of sulfate in Antarctic Dry Valley soils as deduced from anomalous 17O compositions. Nature 407, 499-502.

Bao, Huiming, Thiemens, M. H., 2000, Generation of O2 from BaSO4 using a CO2-laser fluorination system for simultaneous d18O and d17O analysis. Analytical Chemistry 72(17), 4029-4032.

Bao, Huiming et al. 2000, Anomalous 17O compositions in massive sulphate deposits on the Earth. Nature 406, 176-178.

Farquhar, J., Bao, Huiming & Thiemens, M. H., 2000, Atmospheric influence of Earth's earliest sulfur cycle. Science 289, 756-758.


Graduate Students

Kathryn Jenkins
An Eocene playa in northwestern Nebraska
Dry and wet atmospheric deposition in metro Baton Rouge area, LA, USA

Undergraduate Students

Chee Haur Siew (LSU Chemical Engineering)
Thermal decomposition of Oxyanions