Peter J. Michael

Peter Michael

McMan Chair in GeosciencesProfessorKeplinger Hall M225

Education and Degrees Earned

  • Ph.D., Igneous Petrology, Columbia University (1983)
  • M.Phil., Petrology, Columbia University (1978)
  • M.A., Geology, Columbia University (1977)
  • A.B., Geology, Colgate University (1975)

Areas of Research Focus

  • Volcanic rocks and processes
  • Mid-ocean ridge processes
  • Subduction zone magmatism
  • Volatiles in magmas
  • Rock and mineral analysis using petrographic microscope, electron microprobe, FT Infrared Spectroscopy Laser Ablation Inductively Coupled Plasma Mass Spectrometry, ion microprobe.

Previous Relevant Work Experience

  • Post-doctoral Fellow, Lamont-Doherty Geological Observatory (1982-1983)
  • Post-doctoral Fellow, Smithsonian Institution (1983-1984)
  • Research Associate University of British Columbia (1984-1988)

Professional Affiliations

  • American Geophysical Union
  • Geochemical Society

Courses Taught at TU

  • Igneous & Metamorphic Rocks & Processes (GEOL 4144)
  • Introduction to Oceanography (GEOL 1003)
  • Mineralogy (GEOL 2143)
  • Plate Tectonics (GEOL 5113)

Awards & Recognition

  • Smithsonian Institution Post-Doctoral Fellowship, 1983


  • Chlorine in mid-ocean ridge magmas: Evidence for assimilation of seawater-influenced components
    Michael, P.J. and Schilling, J.-G.: Cosmochim. Acta., v.53, p. 3,131 - 3,143 (1989)
  • Depleted Melt Inclusions in MORB Plagioclase: Messages from the Mantle or Mirages from the Magma Chamber?
    Michael, P.J., McDonough, W.F., Nielsen, R.L. and Cornell, W.C.: Chemical Geology, v. 183, 43-62 (2001)
  • Differentiation of high-silica magmas through processes of crystallization
    Michael, P.J.: Geology, v. 11, pp. 31-34 (1983)
  • Discovery of abundant hydrothermal venting on the ultra-slow spreading Gakkel Ridge, Arctic Ocean
    Edmonds, H.N. Michael, P.J., Baker, E.T., Connelly, D.P., Snow, J.E., Langmuir, C.H., Dick, H.J.B., Mühe, R., German, C.R., and Graham, D.W.: Nature v. 421, 252-256 (2003)
  • Hydrothermal venting in magma deserts: The ultraslow-spreading Gakkel and South West Indian Ridges
    Baker, E.T., H.N. Edmonds, P.J. Michael, W. Bach, H.J.B. Dick, J.E. Snow, S.L. Walker, N.R. Banerjee, and C.H. Langmuir: Geochem. Geophys. Geosys., 5(8), Q08002, doi: 10.1029/2004GC000712 (2004)
  • Implications for Magmatic Processes at Ontong Java Plateau from Volatile and Major Element Contents of Cretaceous Basalt Glasses
    Michael, P.J.: Geology, Geophysics, Geosystems (G-cubed) Paper number 1999GC000025., pp. 1-18 (1999)
  • Influence of Spreading Rate and Magma Supply on Crystallization and Assimilation Beneath Mid-Ocean Ridges: Evidence from Chlorine and Major Element Chemistry of Mid Ocean Ridge Basalts
    Michael, P.J. and Cornell, W.C.: Jour. Geophys. Res. v. 103, p. 18,325-18,356 (1998)
  • Magmatic and amagmatic seafloor generation at the ultra-slow Gakkel ridge, Arctic Ocean
    Michael, P.J., Langmuir, C.H., Dick, H.J.B., Snow, J.E., Goldstein, S.L., Graham, D.W. , Lehnert, K., Kurras, G., Jokat, W., Mühe, R., and Edmonds, H.N.: Nature 423, 956-961 (2003)
  • Mantle control of a dynamically evolving spreading center: Mid-Atlantic Ridge, 31°-34°S
    Michael, P.J., Forsyth D.W., Blackman, D.K., Fox, P.J., Hanan, B.B., Harding, A.J., MacDonald, K.C., Neumann, G.A., Orcutt, J.A., Tolstoy, M. and Weiland, C.M.: Earth Planet. Sci. Lett., v. 121, 451-468 (1994)
  • MORB generation beneath the ultraslow spreading Southwest Indian Ridge (9–25°E): Major element chemistry and the importance of process versus source
    Standish, J. J., H. J. B. Dick, P. J. Michael, W. G. Melson, and T. O'Hearn: Geochem. Geophys. Geosyst., 9, Q05004, doi:10.1029/2008GC001959 (2008)