Skip Nav
Debbie Thomas
Debbie Thomas
(979) 845-3651
Eller O&M 202

Texas A&M University O&M Building
Room 202 MS 3148 
College Station, Texas 77843


Ph.D., University of North Carolina, Chapel Hill, 2002

M.S., University of North Carolina, Chapel Hill, 1998

B.S., Brown University, 1995

  • Freshman Convocation Keynote Speaker, Texas A&M, 2010
  • Distinguished Lecturer, Consortium for Ocean Leadership, 2008-2009
  • Montague Center for Teaching Excellence Scholar Award, Texas A&M, 2008
  • Distinguished Achievement Teaching Award (College Level), Texas A&M Association of Former Students, 2007

Debbie Thomas

Dean, College of Geosciences
Geological Oceanography: Paleoceanography; Sediment Geochemistry; Greenhouse Climates

Research Interests

My primary research interest is paleoceanography of the Cretaceous and Cenozoic, using the deep-sea sedimentary record to investigate the role of the deep oceans in global heat transport during different overall climate states. In particular, I use radiogenic isotopes, stable isotopes, and trace element geochemistry to reconstruct the patterns of deep-water formation and circulation that operated under different boundary conditions.

Please note that Dr. Thomas does not have any positions available for graduate students or post-doctoral scholars.

Selected Publications

Recent Publications:

  • *McKinley, C.C., Thomas, D.J., LeVay, L.J., Rolewicz, Z., submitted to Earth and Planetary Science Letters, Nd isotopic structure of the Pacific Ocean 40–10 Ma, and evidence for the Reorganization of Deep North Pacific Ocean Circulation between 38 and 25 Ma. 
  • Kender, S., Bogus, K.A., *Cobb, T.D., Thomas, D.J., 2018, Paleoceanography, Neodymium evidence for increased Circumpolar Deep Water flow to the North Pacific during the middle Miocene climate transition. doi:10.1029/2017PA003309
  • Dameron, S., Leckie, R.M., Clark, K., MacLeod, K.G., Thomas, D.J., in revision, Palaeogeogr., Palaeoclim., Palaeoecol., Extinction, Dissolution, and Ocean Acidification Prior to the Cretaceous/Paleogene (K/Pg) Boundary in the Tropical Pacific. 
  • Bralower, T.J., Meissner, K.J., Alexander, K., Thomas, D.J., 2014, Geochem. Geophys. Geosyst, The dynamics of global change at the Paleocene-Eocene Thermal Maximum: A data-model comparison. DOI: 10.1002/2014GC005474 
  • Thomas, D.J. and *Tilghman, D., 2014, Geographically Different Oceanographic Responses to Global Warming During the Cenomanian - Turonian interval and Oceanic Anoxic Event 2, Palaeogeogr., Palaeoclim., Palaeoecol.,
  • Thomas, D.J., Korty, R., Huber, M., *Schubert, J.A., Haines, B., 2014, Evidence for vigorous ocean circulation and enhanced heat transport in the Late Cretaceous and early Paleogene, Paleoceanography, 10.1002/2013PA002535 
  • *Murphy, D.P. and Thomas, D.J., 2013, The evolution of Late Cretaceous deep-ocean circulation in the Atlantic basins: Neodymium isotope evidence from South Atlantic drill sites for tectonic controls, Geochem. Geophys. Geosyst., DOI: 10.1002/2013GC004889. 
  • *Woodard, S., Thomas, D.J., Grossman, E.L., Olszewski, T., Yancey, T., Raymond, A., and Miller, B.V., 2013, Radiogenic isotope composition of Carboniferous seawater from North American epicontinental seas, Palaeogeogr., Palaeoclim., Palaeoecol., 370, 51-63. 
  • *Woodard, S., Thomas, D.J., Marcantonio, F., 2012, Thorium-derived Dust Fluxes to the Paleocene Tropical Pacific Ocean, 58Ma, Geochim. Cosmochim. Acta, 87, 194-209.
*indicates student primary authorship
Geosciences TAMU Logo

Aggies can change the world. Geoscientists lead the way.