Jason F. Thomason
B.S., 1998, Geology, Bradley University
M.S., 2000, Hydrogeology, Illinois State University
Ph.D., 2006, Geology, Iowa State University
- Hydrogeology and Geophysics program leader
- Mapping and characterizing geologic environments
- Developing 3-D geologic mapping/modeling workflows
- Hydrogeologic variability within glacial deposits
- Pleistocene glacial history and processes
- Engineering properties of glacial sediments
- Geotechnical properties of geologic materials using cone-penetration/hydraulic profiling testing
- Characterizing/mapping glacial sediments using geophysics
- Deglacial chronology of Lake Michigan Lobe in northeast Illinois/southeast Wisconsin
Thomason, J.F., T. Larson, A. Ismael, and S. Sargent, 2018, Characterizing glacial sediments and features in northeast Illinois using electrical resistivity and seismic-reflection profiling, in A.E. Kehew and B.B. Curry (eds.), Quaternary Glaciation of the Great Lakes Region: Process, Landforms, Sediments, and Chronology, Geological Society of America Special Paper 530, p. 233–244, doi:10.1130/2018.2530(12).
Brown, S.E., Thomason, J.F. and Mwakanyamale, K.E, 2018, The Future of the Science of the Mahomet Aquifer, Illinois State Geological Survey Circular 594, 36 pp.
Lau, J.; Thomason, J.F.; Malone, D.H.; Peterson, E.W., 2016, Three-Dimensional Geological Model of Quaternary Sediments in Walworth County, Wisconsin, USA. Geosciences 2016, 6, 32. doi:10.3390/geosciences6030032
Flaherty, S.T., J.F. Thomason, D.H.Malone, E.W.Peterson, and W.E.Shields, 2016, Surficial geology of the Woodstock, IL 7.5 minute Quadrangle, McHenry County, Illinois, scale 1:24,000, Journal of Maps, v. 12, published online 12 Sept 2016.
Lau, J., Thomason, J.F., Malone, D.H., and Peterson, E.W., 2016, Modeling the sediment fill of the pre-glacial Troy Bedrock Valley, McHenry County, IL, USA.: Journal of Geoscience and Environmental Protection, v. 4, p. 5100-115.
Seipel, L.C., Peterson, E.W., Malone, D.H., and Thomason, J.F., 2016, Role of multiple high-capacity irrigation wells on a surficial sand and gravel aquifer: Journal of Geoscience and Environment Protection, v. 4, p. 43-53.
Carlock, D.C., Thomason, J.F., Malone, D.H., and Peterson, E.W., 2016, Stratigraphy and Extent of the Pearl-Ashmore Aquifer, McHenry County, IL, USA: World Journal of Environmental Engineering, v. 4, p. 6-16.
R.C. Berg, S. E. Brown, J. F. Thomason, N. R. Hasenmueller, S. L. Letsinger, K. A. Kincare, J. M. Esch, A. E. Kehew, L. H. Thorleifson, A. L. Kozlowski, B. C. Bird, R. R. Pavey, A. F. Bajc, A. K. Burt, G. M. Fleeger, and E. C. Carson, 2016, A multiagency and multijurisdictional approach to mapping the glacial deposits of the Great Lakes region in three dimensions, Geological Society of America Special Papers, 520, p. SPE5200
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.
Thomason, J.F., T. Larson, 2018, Electrical geophysical methods to characterize glacial landforms of the Lake Michigan Lobe, Geological Society of America Abstracts with Programs. Vol. 50, No. 4, ISSN 0016-7592, doi: 10.1130/abs/2018NC-313143.
Thomason, J.F., O. Caron, J.H. Kim, N. Mattson, 2017, Geotechnical properties of glacial deposits in Illinois, Prairie Research Institute Lightning Talks and Poster Session, #6.
Thomason, J.F., T. Larson, A.Ismail, and S.Sargent, 2016, Coupled 2-D geophysics to better characterize shallow sand and gravel aquifers, Geological Society of America Abstracts with Programs, v. 48, no.5, doi: 10.1130/abs/2016NC-275594
Curry, B., Thomason, J., and Bruegger, A., 2015, Large deglacial floods associated with retreat of the Lake Michigan lobe south-central Laurentide Ice Sheet, Canadian Quaternary Association meeting, Conference Program and Abstracts, Memorial University, St. Johns, Newfoundland, pp 31-32.
Curry, B., Caron, O., and Thomason, J., 2015, Radiocarbon chronology suggests that the Woodstock Phase ice margin (Lake Michigan Lobe) was intimately related to the 18.9 ka Kankakee Torrent: Geological Society of America Abstracts with Programs, v. 47, no. 5, p. 4; Geological Society of America Web page, <https://gsa.confex.com/gsa/2015NC/webprogram/Paper255883.html>, date accessed, November 20, 2015.
Rickels, E., Malone, D.H., Stumpf, A.J., and Thomason, J.F., 2015, Archean provenance of granite cobbles in Woodfordian tills in central Illinois., Geological Society of America Abstracts with Programs.
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.
Leading public fieldtrips and workshops in northeast Illinois
Frequent demonstrations and presentations in the Earth Systems Visualization Lab at the ISGS
Various outreach events and volunteering at/with local public schools