Paleozoic and Quaternary Geology of the St. Louis
Paleozoic and Quaternary Geology of the St. Louis Metro East Area of Western Illinois 63 rd Annual Tri-State Geological Field Conference October 6-8, 2000 Rodney D. Norby and Zakaria Lasemi, Editors ILLINOIS STATE GEOLOGICAL SURVEY Champaign, Illinois ISGS Guidebook 32 Cover photo Aerial view of Casper Stolle Quarry at the upper right, Falling Springs Quarry at the left, and the adjacent rural residential subdivision at the right, all situated at the northernmost extent of the karst terrain in St. Clair County, Illinois. Photograph taken April 7, 1988, U.S. Geological Survey, National Aerial Photography Program (NAPP1). ILLINOIS DEPARTMENT OF NATURAL RESOURCES © printed with soybean ink on recycled paper Printed by authority of the State of Illinois/2000/700 Paleozoic and Quaternary Geology of the St. Louis Metro East Area of Western Illinois Rodney D. Norby and Zakaria Lasemi, Editors and Field Conference Chairmen F. Brett Denny, Joseph A. Devera, David A. Grimley, Zakaria Lasemi, Donald G. Mikulic, Rodney D. Norby, and C. Pius Weibel Illinois State Geological Survey Joanne Kluessendorf University of Illinois rd 63 Annual Tri-State Geological Field Conference Sponsored by the Illinois State Geological Survey October 6-8, 2000 WISCONSIN ISGS Guidebook 32 Department of Natural Resources George H. Ryan, Governor William W. Shilts, Chief Illinois State Geological Survey 615 East Peabody Drive Champaign, IL 61820-6964 (217)333-4747 http://www.isgs.uiuc.edu Digitized by the Internet Archive in 2012 with funding from University of Illinois Urbana-Champaign http://archive.org/details/paleozoicquatern32tris 51 CONTENTS Middle Mississippian Carbonates in the St. Louis Metro East Area: Stratigraphy and Economic Significance Zakaria Lasemi and Rodney D.
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