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Des Plaines

 Crater Name  Location  Latitude  Longitude  Diameter (km)  Age (Ma)  Exposed  Drilled  Target Rock**  Bolide Type***
 Des Plaines  Illinois, U.S.A.  N 42° 3'  W 87° 52'  8  <280  N  Y  S  -

References
Cockell, C. S., Lee, P., The Biology of Impact Craters - a review. Biol. Rev., 77, P. 279 - 310. 2002.
Emrich, G. H., Bergstrom, R. E., Des Plaines disturbance, Northeastern Illinois. Geological Society of America Bulletin, v. 73, pp. 959-968. 1962.
Grieve R.A.F.The record of impact on Earth - Implications for a major Cretaceous?Tertiary impact event, 1982.
Langan, R. T., Structural analysis of the region near Des Plaines, Illinois using geophysical methods. Master's Thesis, Northwestern University, Evanston, Illinois, 54 p. 1974.
Langan, R. T., Speed, R. C., Geophysical indication of pre-upper Cambrian evaporite in N.E. Illinois and possible salt dome origin of the Des Plaines disturbance (abstract). Annual Meetings, Dallas, Texas, p. 707. 1973.
McHone, J. F., Sargent, M.L. and Nelson,W.J., Shatter cones in Illinois: Evidence for meteoritic impacts at Glasford and Des Plaines (abstract). Meteoritics, v. 21, p. 446. 1986.
Peterson, G. L., Tarp Tunnel Explorations in the Des Plaines Disturbance, Illinois; Evidence Supporting an Impact Origin. Proceedings of the 34th Annual Meeting of Engineering Geologists, pp. 236-245. 1991.
Snyder, F. G., Gerdemann, P. E., Explosive igneous activity along an Illinois-Missouri-Kansas axis. American Journal of Science, v. 263, pp. 465-493. 1965.
Willman, H. B., Summary of the geology of the Chicago area: Illinois. Geological Survey Circular 460, 77 p. 1971.
* pre-1977 K-Ar, Ar-Ar and Rb-Sr ages recalculated using the decay constants of Steiger and Jager (1977) Ages in millions of years (Ma) before present.

** Abbreviations: C - Crystalline Target; C-Ms - Metasedimentary Target; M - Mixed Target (i.e.sedimentary strata overlying crystalline basement); S - sedimentary target (i.e. no crystalline rocks affected by the impact event). From Osinski. G. R., Spray J. G., and Grieve R. A. F. 2007. Impact melting in sedimentary target rocks: A synthesis. In The Sedimentary Record of Meteorite Impacts, Geological Society of America Special Paper. Editors: Evans K. Horton W., King D., Morrow J., and Warme J. Geological Society of America: Boulder, in press.

***From Koeberl,C. Identification of meteoritic components in impactites. 1998, Koeberl, C. The Geochemistry and Cosmochemistry of Impacts. 2007 and PASSC Files. (IAB, IIIAB, IIIB, IIID - Iron Meteorite)