Education & Certifications

  • M.S., University of Michigan, Structural Geology (2012)
  • M.S., University of Kentucky, Structural Geology (2009)
  • B.S., University of Dayton, Geology (2007)

Current Research and Scholarly Interests

- Timing and mechanism for exhumation of the Brooks Range orogenic belt, AK (in progress)
- Cause and timing of basin development of interior Alaska basins (in progress)
- Ne and Ar diffusion experiment in biotite and white mica
- Zircon characterization during HT metamorphism (completed)
- Arctic plate reconstruction (completed)

Lab Affiliations

Work Experience

  • Researcher, SLAC National Accelerator Laboratory (2012 - 2013)


    Menlo Park, CA

  • Lab Assistant, Stanford University (2012 - 2013)


    Palo Alto, CA

  • Summer Researcher, Case Western Reserve University (2009 - 2009)


    Cleveland, OH

All Publications

  • Physico-Chemical Heterogeneity of Organic-Rich Sediments in the Rifle Aquifer, CO: Impact on Uranium Biogeochemistry ENVIRONMENTAL SCIENCE & TECHNOLOGY Janot, N., Pacheco, J. S., Pham, D. Q., O'Brien, T. M., Hausladen, D., Noel, V., Lallier, F., Maher, K., Fendorf, S., Williams, K. H., Long, P. E., Bargar, J. R. 2016; 50 (1): 46-53
  • Continuous zircon growth during long-lived granulite facies metamorphism: a microtextural, U-Pb, Lu-Hf and trace element study of Caledonian rocks from the Arctic CONTRIBUTIONS TO MINERALOGY AND PETROLOGY O'Brien, T. M., Miller, E. L. 2014; 168 (4)
  • Timing of Iapetus Ocean rifting from Ar geochronology of pseudotachylytes in the St. Lawrence rift system of southern Quebec GEOLOGY O'Brien, T. M., van der Pluijm, B. A. 2012; 40 (5): 443-446

    View details for DOI 10.1130/G32691.1

    View details for Web of Science ID 000303404700018