Andrew C. Phillips

Andrew C. Phillips, Ph.D.
Associate Quaternary Geologist
Quaternary and Engineering Geology
217-333-2830 (Fax)


Research Interests: 
  • Sedimentary processes in rivers and lakes
  • Genesis of drift ridges in southwestern Illinois
  • Application of remote sensing and shallow geophysical data to surficial mapping
  • Evolution of Quaternary landscapes
Current Research Projects: 
  • Surficial geologic mapping of the Freeburg 7.5' Quadrangle, St. Clair County
  • Bedrock topographic mapping of Madison County
  • Geomorphic Assessment of Crow Creek (west) and Ten Mile Creek
  • Evolution of Partridge Creek watershed by geomorphic mapping and dendrochronology
  • Glacial geology of the Mahomet Aquifer
  • Technical Advisory Team, Illinois River Ecosystem Restoration Project
  • Secretary, Great Lakes Section of the Society for Sedimentary Geology
  • Management of the Illinois River Conference 2007 Planning Committee
Selected Publications: 

White, W.P., A.C. Phillips, and J. Beardsley, 2007, Senachwine Creek Watershed Assessment: A Framework for Project Identification and Restoration of Watersheds in the Illinois River Basin: World Environmental & Water Resources Congress 2007, EWRC-ASCE, Tampa, Fla.

Phillips, A.C., Pociask, G., and Smith, L.R., 2006, Aerial Imagery for Watershed Assessment: Illinois Water 2006, Urbana, Illinois

Grimley, D.A., and A.C. Phillips, 2006, New Insights on Possible Origins of the "Ridged Drift" in Southwestern Illinois: GSA Abstracts with Programs Vol. 38, No. 7.

Stumpf, A.J., A.C. Phillips, G.E. Pociask, L.R. Smith, and W.P. White, 2006, Mass Wasting and its Control on Channel Behavior and Valley Formation in the Partridge Creek Watershed, Illinois River Valley, Illinois: Mass Wasting in Disturbed Watersheds, AEG Shlemon Specialty Conference, Durango, CO, May 3-5, 2006 (

Phillips, A.C., A. Pugin, D.A. Grimley, and T.A. Larson, 2005, Anatomy of Drift Ridges Revealed by Shallow Seismic Shear Wave Profiling: AGU Fall Meeting, San Francisco, Paper Number U23C-02.

Smith, E.C., D.A. Grimley, A.C. Phillips, and R. Vaiden, 2005, Unconsolidated aquifers of the Metro East region: Madison, St. Clair, and Monroe Counties, Illinois: Midwest Groundwater 2005, Champaign, Nov 1-3, 2005.

Phillips, A.C., 2005, Surficial Geology of Highland Quadrangle, Madison, St. Clair, and Clinton Counties: Illinois State Geological Survey, Illinois Preliminary Geologic Map, IPGM Highland-SG, 1:24,000.

Phillips, A.C., M.V.M. Miller, G.E. Pociask, L.R. Smith, and J.J. Miner. 2004. Long Term Geomorphic Monitoring Plan and Watershed Assessment Protocols for the Illinois River Basin: in M. Pegg (ed.), Watershed Assessment Protocol and Long Term Resource Monitoring Plan: U.S. Army Corps of Engineers, Rock Island District, Contract Report DACW25-02-0383, 158 p.

Phillips, A.C., 2004, Surficial Geology of St. Jacob Quadrangle, Madison and St. Clair Counties: Illinois State Geological Survey, Illinois Preliminary Geologic Map, IPGM St. Jacob-SG, 1:24,000.

Phillips, A.C., and D.A. Grimley, 2004, Surficial Geology of Marine Quadrangle, Madison County: Illinois State Geological Survey, Illinois Preliminary Geologic Map, IPGM Marine-SG, 1:24,000.

Phillips, A.C., 2004, Surficial geology of the Collinsville quadrangle: Illinois State Geological Survey, Illinois Preliminary Geologic Map, IPGM Collinsville-SG, 1:24,000.

Stumpf, A.J. and A.C. Phillips, 2003, Mapping of America's Heartland: the status of quadrangle-scale geologic mapping at the Illinois State Geological Survey: Canadian Quaternary Association-Canadian Geomophological Research Group 2003, Annual Meeting, Program and Abstracts, p. A115.

Phillips, A.C., B.L., Rhoads, T.J., McTighe, and C. Klaus, 2002, Stream dynamics assessment, Illinois River basin: Contract Report DACW25-98-D-0017, United States Army Corps of Engineers, Rock Island, IL, 65 p., 7 tab., 46 fig.

Phillips, A.C., B.L., Rhoads, T.J., McTighe, and C. Klaus, 2002, Photoanalytic assessment of dynamics in tributary streams of the Illinois River basin: Geological Society of America, 36th Annual Meeting of the North-Central Section, Lexington, Kentucky, April 2002, Abstracts with Programs, v. 34, no. 2, p. A32.

Pugin, A.J.M, T.H. Larson, and A.C. Phillips, 2002, Shallow high-resolution shear-wave seismic reflection acquisition using a land-streamer in the Mississippi River flood plain: Potential for engineering and hydrogeologic applications: Symposium on the application of geophysics to environmental and engineering problems, February 10-14, 2002, Las Vegas, Nevada, Proceedings, p. 3-12.

Phillips, A.C., and W.W. Shilts, 2001, Geological history of the Illinois River Watershed: Governor's Conference on the Managment of the Illinois River System, Proceedings, Peoria, Illinois, Oct. 2001, p. 25-34.

Phillips, A.C., C. Abert, and A. Pugin, 2001, Mapping the American Bottoms Region of the Mississippi River: New insights from high-resolution seismic reflection tests using shear waves and 3-D modeling: Fluvial Sedimentology 2001, Proceedings, 7th International Conference on Fluvial Sedimentology, August 2001, Lincoln, Nebraska, p. 226.

Grimley, D.A., A.C. Phillips, L.R. Follmer, H. Wang, and R.S. Nelson, 2001, Quaternary and environmental geology of the lower Illinois River valley and metro-East St. Louis area: Guidebook for Field Trips for the Thirty-fifth Annual Meeting of the North-Central Section of the Geological Society of America: Illinois State Geological Survey, ISGS Guidebook 33, p. 21-73.

Hansel, A.K., R.C. Berg, A.C. Phillips, and V.G. Gutowski, 1999, Glacial sediments, landforms, paleosols, and a 20,000-year-old forest bed in east-central Illinois: Illinois State Geological Survey Guidebook 26, Geological Society of America, 33rd Annual Meeting of the North-Central Section, Champaign, Illinois, 31 p.

Menon, M.G., R.J. Gibbs, and A.C. Phillips, 1998, Accumulation of muds and metals in the Hudson River estuary turbidity maximum: Environmental Geology, v. 34, no. 2/3, p. 214-222.

Phillips, A.C., and N.D. Smith, 1992, Delta slope processes and turbidity currents in prodeltaic submarine channels, Queen Inlet, Glacier Bay, Alaska: Canadian Journal of Earth Sciences, v. 29. p.93-101.

Phillips, A.C., N.D. Smith, and R.D. Powell, 1991, Laminated Sediments in prodeltaic deposits, Glacier Bay, Alaska, in J.B. Anderson and G.M. Ashley (eds.), Glacial-marine sedimentation: Paleoclimatic significance: Geological Society of America, Special Paper 261, p. 51-60.