Jason F. Thomason
B.S., 1998, Geology, Bradley University
M.S., 2000, Hydrogeology, Illinois State University
Ph.D., 2006, Geology, Iowa State University
- Hydrogeologic characterization of glacially-derived aquifer systems
- Develop 3-D geologic framework mapping/modeling workflow
- Direct research of Pleistocene glacial history and processes
- Hydrogeologic variability within glacial deposits
- Glacial stratigraphy and sedimentology
- 3-D geologic mapping of glacial sediments
- 3D mapping/modeling of glacial deposits in McHenry County, IL
- Hydrogeologic characterization of glacial sediments
- Deglacial chronology of Lake Michigan Lobe in northeast Illinois/southeast Wisconsin
Thomason, J.F., 2014, Glacial landscape of the Late Wisconsin Lake Michigan Lobe in Northeast Illinois: new insights into ice-margin retreat and processes. Geological Society of America Abstracts with Programs. Vol. 46, No. 6, p.503.
Thomason, J.F., 2014, Multiscale 3-D geologic mapping in support of sustainable water supply management in McHenry County, Illinois. Geological Society of America Abstracts with Programs. Vol. 46, No. 6, p.686
Miao, X, C.Stohr, and J.F. Thomason, 2014, 3D photogrammetric modeling of glacial sand and gravel deposits in a metropolitan area. Geological Society of America Abstracts with Programs. Vol. 46, No. 6, p.524
Seipel, L.C., J.F. Thomason, and E.W. Peterson, 2014, Capture zone analysis of a shallow-aquifer irrigation well in McHenry County, Illinois. Geological Society of America Abstracts with Programs. Vol. 46, No. 6, p.118
Thomason, J.F. and D.A. Keefer, 2012, Aquifer geometry and transmissivity predictions based on 3-D geologic framework modeling, Geological Society of America Abstracts with Programs, Vol 44, No.7, p.143.
Flaherty, S. and J.F. Thomason, 2012, High-resolution shallow aquifer modeling in McHenry County Illinois, Geological Society of America Abstracts with Programs, Vol 44, No.7, p.254
Larson, T., A.Ismail, J.F. Thomason, B.B. Curry, A.J. Stumpf, and B. Dey, 2012, Integrating shear-wave reflection and resistivity profiling to improve subsurface characterization of glacial sediments, Abstract NS31B-1681 presented at 2012 Fall Meeting, AGU, San Francisco, Calif., 3-7 Dec.
Thomason, J.F., D.A. Keefer, 2011. Geologic Framework Modeling for Groundwater Applications in Northeastern Illinois. (In) H. Russell, R.C. Berg, L.H. Thorleifson (Compilers), Three-dimensional Geologic Mapping: Workshop Extended Abstracts, Minneapolis, Minnesota, October 8, 2011. Geological Survey of Canada, Ottawa, Ontario, Open File Series (in press), pp. 79-82.
Thomason, J.F., D.A. Keefer, T. Larson, and A Ismail, 2011, Geologic framework model of a glacially-filled bedrock valley in McHenry County, Illinois. Geological Society of America Abstracts with Programs, Vol. 43, No. 5, p. 171.
Thomason, J.F. and S.E. Brown, 2009, Interpreting subsurface glacigenic sequences: an example of using exposed ice-contact sediments as a model for mapping buried ice-margin deposits. North Central GSA Abstracts with Programs, Vol 41, No. 4, p. 71.
Curry, B.B., Brown, S.E., and Thomason, J.F., 2009, Determining sediment transport rates during deglaciation of the Lake Michigan Lobe, Northeastern Illinois. North Central GSA Abstracts with Programs, vol 41, no. 4, p. 58.
Fox, N.D., Thomason, J.F., Grimley, D., and Curry, B.B., 2009, Insights into the paleoenvironment of lacustrine sediments prior to the last glaciation at Wedron, Illinois. North Central GSA Abstracts with Programs, vol 41, no. 4, p. 71.
Stohr, C.J., J. Petras, D.G. Mikulic, and J. Thomason, 2011, Stereophotographic measurement of joint and bedding orientation at Thornton Quarry, Illinois: Illinois State Geological Survey, Circular 579, 40 p.
Thomason, J.F. and N.R. Iverson, 2009, Deformation of the Batestown till of the Lake Michigan lobe, Laurentide ice sheet, Journal of Glaciology, vol. 55, p.131-146.
Hooyer, T.S., N.R. Iverson, F. Lagroix, and J.F. Thomason, 2008, Magnetic fabric of sheared till: A strain indicator for evaluating the bed deformation model of glacier flow, Journal of Geophysical Research, vol. 113, FO2002, doi: 10.1029/2007JF000757.
Iverson, N.R, T.S. Hooyer, J.F. Thomason, M. Graesch, and J.R. Shumway, 2008, The experimental basis for interpreting particle and magnetic fabrics of sheared till, Earth Surface Processes and Landforms, vol. 33, p. 627-645.
Thomason, J.F. and N.R. Iverson, 2007, A laboratory study of particle ploughing and pore-pressure feedback: a velocity weakening mechanism for soft glacier beds, Journal of Glaciology, vol. 54, p. 169-181.
Thomason, J.F. and N.R. Iverson, 2006, Microfabric and microshear evolution in deformed till, Quaternary Science Reviews, 25, 1027-1038.
Cohen, D., T.S. Hooyer, N.R. Iverson, J.F. Thomason, and M. Jackson, 2006, Role of transient water pressure in quarrying: A subglacial experiment using acoustic emissions, Journal of Geophysical Research-Earth Surface, 111, F03006, doi: 10.1029/2005JF000439.
Leading public fieldtrips and workshops in McHenry County, IL
Public field trips hosted by the ISGS (statewide)
Frequent demonstrations and presentations in the Earth Systems Visualization Lab at the ISGS
Various outreach events and volunteering at/with local public schools