Illinois State Geological Survey

• Ph.D. Geology, University of Greifswald, Greifswald, Germany 
• M.S. Geology, University of Illinois at Urbana-Champaign
• B.S. Geology, University of Illinois at Urbana-Champaign

Illinois Experts Profile

• Sedimentology
• Sedimentary petrography (diagenesis)
• Reservoir characterization (clastic and carbonate)
• Precambrian-Ordovician geology
• Critical Minerals
• Carbon capture and storage
• Mineralogy
• Mississippi Valley-type deposits

• Illinois Basin CORE-CM (DOE): Critical Minerals and High-Value Carbon Evaluation in Coal and Coal Waste 
• EarthMRI (USGS): Critical Minerals Evaluation of the Illinois-Kentucky Fluorspar District
• Illinois Storage Corridor (DOE): Carbon Storage Evaluation  
• CarbonSAFE (DOE): Carbon Storage Evaluation  

• Freiburg, J., Delpomdor, F., McBride, J.H., Leetaru, H., Malone, D., Grigsby, N., Khosravi, M., Frailey, S., Damico, J., Monson, C. and Askari, Z., 2022. The Geology of The Mt. Simon Sandstone Storage Complex at the Wabash# 1 Well, Vigo Co., Indiana, Subtask 7.2, Technical Report(No. DOE-FE0031626‐9). Univ. of Illinois at Urbana-Champaign, IL (United States).
• Berger, P.M., Freiburg, J.T. and Barker, S.L., 2021. Simulation and sensitivity of isotopic alteration and vein development in carbonate rock formations. Journal of Geochemical Exploration, 229, p.106841.
• Freiburg, J.T., Holland, M.E., Malone, D.H. and Malone, S.J., 2020. Detrital Zircon Geochronology of Basal Cambrian Strata in the Deep Illinois Basin, USA: Evidence for the Paleoproterozoic-Cambrian Tectonic and Sedimentary Evolution of Central Laurentia. The Journal of Geology, 128(3), pp.303-317.
• Freiburg, J.T., McBride, J.H., Malone, D.H. and Leetaru, H.E., 2020. Petrology, geochronology, and geophysical characterization of Mesoproterozoic rocks in central Illinois, USA. Geoscience Frontiers, 11(2), pp.581-596.
• Reesink, A.J.H., Best, J., Freiburg, J.T., Webb, N.D., Monson, C.C. and Ritzi, R.W., 2020. Interpreting pre-vegetation landscape dynamics: The Cambrian Lower Mount Simon Sandstone, Illinois, USA. Journal of Sedimentary Research, 90(11), pp.1614-1641.
• Shao, H., Freiburg, J.T., Berger, P.M., Taylor, A.H., Cohen, H.F. and Locke II, R.A., 2020. Mobilization of trace metals from caprock and formation rocks at the Illinois Basin–Decatur Project demonstration site under geological carbon dioxide sequestration conditions. Chemical Geology, 550, p.119758.
• Berger, P.M., Yoksoulian, L., Freiburg, J.T., Butler, S.K. and Roy, W.R., 2019. Carbon sequestration at the Illinois Basin-Decatur Project: experimental results and geochemical simulations of storage. Environmental Earth Sciences, 78(22), pp.1-10.
• Anovitz, L.M., Freiburg, J.T., Wasbrough, M., Mildner, D.F., Littrell, K.C., Pipich, V. and Ilavsky, J., 2018. The effects of burial diagenesis on multiscale porosity in the St. Peter Sandstone: An imaging, small-angle, and ultra-small-angle neutron scattering analysis. Marine and Petroleum Geology, 92, pp.352-371.
• Ritzi, R.W., Freiburg, J.T. and Webb, N.D., 2016. Understanding the (co) variance in petrophysical properties of CO2 reservoirs comprising sedimentary architecture. International Journal of Greenhouse Gas Control, 51, pp.423-434.
• Freiburg, J.T., Soares, J.A. and Hu, P., 2017. Barite from the Linwood mine, Scott County, Iowa. Rocks & Minerals, 92(1), pp.18-29.
• Freiburg, J.T., Ritzi, R.W. and Kehoe, K.S., 2016. Depositional and diagenetic controls on anomalously high porosity within a deeply buried CO2 storage reservoir—The Cambrian Mt. Simon Sandstone, Illinois Basin, USA. International Journal of Greenhouse Gas Control, 55, pp.42-54.
• Labotka, D.M., Panno, S.V., Locke, R.A. and Freiburg, J.T., 2015. Isotopic and geochemical characterization of fossil brines of the Cambrian Mt. Simon Sandstone and Ironton–Galesville Formation from the Illinois Basin, USA. Geochimica et Cosmochimica Acta, 165, pp.342-360.
• Freiburg, J.T., Morse, D.G., Leetaru, H.E., Hoss, R.P. and Yan, Q., 2014. A depositional and diagenetic characterization of the Mt. Simon sandstone at the Illinois Basin-Decatur Project carbon capture and storage site, Decatur, Illinois, USA.