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Faculty

Robert D. Hatcher, Jr.Robert D. Hatcher, Jr.

Professor and Distinguished Scientist
Structural Geology & Tectonics

Department of Earth and Planetary Sciences
1412 Circle Drive
Knoxville, TN 37996-1410

Phone: (865) 974-6565
Email: bobmap@utk.edu
Website: http://hatcher.utk.edu


My B.A. and M.S. degrees are from Vanderbilt University, and my Ph.D. is from the University of Tennessee–Knoxville. After receiving my Ph.D., I worked for about one year for Humble Oil and Refining Company (ExxonMobil today) before moving to Clemson University, where I served on their faculty for 12 years before moving to faculty of Florida State University (two years), then to the University of South Carolina faculty (6 years) before returning to the University of Tennessee during the mid-1980s.

My primary research interests are in making detailed geologic maps of interesting, previously unmapped areas. These form the basis for collection of other kinds of data in the geologic context provided by our geologic maps. While we employ stratigraphic, petrologic, geophysical, geochemical, and geochronologic data to help us understand the processes that build continental crust, we view the world through "structural geology-colored" glasses. A multidisciplinary approach, however, must be employed to address the complex processes related to the construction of mountain chains and continental crust. We work with structures on all scales, from microscopic to 3-D map-scale; incorporate available geophysical data; obtain geochemical data to determine the sedimentary and igneous origins of metamorphic rocks; determine P-T conditions of deformation and metamorphism; obtain geochronologic data on ages of rock units and magmatic or detrital components to bracket times of deposition, intrusion, and metamorphism; and conduct basin analysis to understand sedimentation processes and basin evolution. While we employ many laboratory techniques to solve problems, we are primarily field geologists-detailed geologic maps that we make form our primary, quantitative data sets. For much of the recent decade, we have been involved in the trying to understand processes that produce intraplate earthquakes in the eastern U.S. and worldwide.

  • Hatcher, R. D., Jr., Zietz, I., Horton, J. W., Jr., Steltenpohl, M. P., and Higgins, M. W., in preparation, Southeastern US crustal structure from aeromagnetic and gravity data: Record of two complete Wilson cycles and the beginnings of a third, in Hatcher, R. D., Jr., Schultz, A. P., Horton, J. W., Jr., Steltenpohl, M. P., and, M. W.,eds., in preparation, Crustal structure of the southeastern US from innovative processing of magnetic, gravity, and geologic data: Geological Society of America Special Paper.
  • Muehlberger, W. R., Hatcher, R. D., Jr., Denison, R. E., Karlstrom, K. E., Saleeby, J., and Martinez, C. M., in preparation, Transcontinental geologic cross section: American Geological Institute.
  • Hatcher, R. D., Jr., Huebner, M. T., Justin R. Rehrer, J. R., Acker, L.L., Fullagar, P. D., Liu, A., and Goad, P. L., 2017 in press, Geologic and kinematic insights from far-traveled horses in the Brevard fault zone, southern Appalachians: Geological Society of America Memoir.
    Thigpen, J. R., Hatcher, R. D., Jr., Kah, L. C., and Repetski, J. E., 2016 in press, Reevaluating the age of the Walden Creek Group and the kinematic evolution of the western Blue Ridge, southern Appalachians: American Journal of Science: v. 316, p. YYY-YYY.
  • Hatcher, R.D., Jr., and Milici, R.C., 2015, Sequatchie Valley structure and stratigraphy, in Holmes, A.E., ed., Diverse Excursions in the Southeast: Paleozoic to Present: Geological Society of America Field Guide 39, p. 169–196, doi:10.1130/2015.0039(06).
  • Hatcher, R. D., Jr., 2014, The Appalachian orogen: Reference Module in Earth Systems and Environmental Sciences Encyclopedia of Geology (digital edition), London, Elsevier, 2014. 24-Jun-14 18 p. doi: 10.1016/B978-0-12-409548-9.09096-5. 18 p.
  • Huebner, M. T., Rehrer, J. R., Hatcher, R. D., Jr., and Wunderlich, A. L., 2014, Detailed geologic map of the Inner Piedmont and Carolina superterrane at the northeast end of the Pine Mountain window, Georgia: Geological Society of America Map and Chart 105, 26 p., scale 1:50,000,  doi: 10.1130/2014.MCH105.txt.
  • Huebner, M. T., and Hatcher, R. D., Jr., 2013, Polyphase reactivation history of the Towaliga fault, central Georgia: Implications regarding the amalgamation and breakup of Pangea: Journal of Geology, v. 121, p. 75–90.
  • Steltenpohl, M. G., Horton, J. W., Jr., Hatcher, R. D., Jr., Zietz, I., Daniels, D. L., and Higgins, M. W., 2013, Upper crustal structure of Alabama from regional magnetic and gravity data: Using geology to interpret geophysics, and vice versa: Geological Society of America Geosphere, v. 9, p. 1–21.
  • Hatcher, R. D., Jr., Vaughn, J. D., and Obermeier, S. F., 2012, Large earthquake paleoseismology in the East Tennessee seismic zone: Results of an 18-month pilot study, in Cox, R. T., Boyd, O. L., and Locat, J., eds., Recent Advances in North American Paleoseismology and Neotectonics East of the Rockies: Boulder, Colorado, Geological Society of America Special Paper 493, p. 111–142.
  • Merschat, A. J., Hatcher, R. D., Jr., Byars, H. E., and Gilliam, W. G., 2012, The Neoacadian orogenic core of the southern Appalachians: A geo-traverse through the migmatitic Inner Piedmont from the Brushy Mountains to Lincolnton, North Carolina, in Eppes, M. C., and Bartholomew, M. J., eds., From the Blue Ridge to the Coastal Plain: Field Excursions in the Southeastern United States: Geological Society of America Field Guide 29, p. 171–217, doi: 10.1130/2012.0029(06).
  • Sinha, A. K., Thomas, W. A., Hatcher, R. D., Jr., and Harrison, T. M., 2012, Geodynamic evolution of the central Appalachian orogen: geochronology and compositional diversity of magmatism from Ordovician through Devonian: American Journal of Science, v. 312, p. 907–966.
  • Steltenpohl, M. G., Hatcher, R. D., Jr., Mueller, P.A., Heatherington, A.L.,, and Wooden, J. L., 2010,  Geologic history of the Pine Mountain window, Alabama and Georgia: Insights from a new geologic map and U-Pb isotopic dates, in, Tollo, R. P., Bartholomew, M. J., Hibbard, J. P.,  and Karabinos, P. M.,eds., From Rodinia to Pangea: The lithotectonic record of the Appalachian region: Boulder, Colorado, Geological Society of America Memoir 206, p. 837–857.
  • Bartholomew, M. J., and Hatcher, R. D., Jr., 2010, The Grenville orogenic cycle of southern Laurentia: Unraveling sutures, rifts, and shear zones as potential piercing points for Amazonia: Journal of South American Earth Sciences, v. 29, p. 4–20.
  • Merschat, A. J., Hatcher, R. D., Jr., Bream, B. R., Miller, C. F., Byars, H. E., Gatewood, M. P., Wooden, J. L., 2010, Detrital zircon geochronology and provenance of southern Appalachian Blue Ridge and Inner Piedmont crystalline terranes, in Tollo, R. P. Bartholomew, M. J., Hibbard, J. P., and Karabinos, P. M., eds., From Rodinia to Pangea:  The lithotectonic record of the Appalachian region:  Boulder, Colorado, Geological Society of America Memoir 206, p. 661–699.
  • Hatcher, R. D., Jr., 2010, The Appalachian orogen: A brief summary, in Tollo, R. P. Bartholomew, M. J., Hibbard, J. P., and Karabinos, P. M., eds., From Rodinia to Pangea: The lithotectonic record of the Appalachian region:  Boulder, Colorado, Geological Society of America Memoir 206, p. 1–19.
  • Hatcher, R. D., Jr., 2010, Tectonic map of the Appalachians, Figure 1 in Hatcher, R. D., Jr., 2010, The Appalachian orogen: A brief summary, in Tollo, R. P. Bartholomew, M. J., Hibbard, J. P., and Karabinos, P. M., eds., From Rodinia to Pangea: The lithotectonic record of the Appalachian region:  Boulder, Colorado, Geological Society of America Memoir 206, scale 1:12,000,000.
  • Fisher, C. M., Loewy, S. L., Miller, C. F., Berquist, P. Van Schmus, W. R., Hatcher, R. D., Jr., Wooden, J. L., and Fullagar, P. D., 2010, Whole-rock Pb and Sm-Nd isotopic constraints on the growth of southeastern Laurentia during Grenvillian orogenesis: Geological Society of America Bulletin, v. 122, p. 1646–1659, doi: 10.1130/B30116.1.

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