Activity

2016

• GEOCHEMICAL AND PETROGRAPHIC ANALYSIS OF THE SPARKS HILL DIATREME, HARDIN COUNTY ILLINOIS: EVIDENCE FOR A BURIED CARBONATITE COMPLEX BENEATH THE ILLINOIS-KENTUCKY FLUORSPAR DISTRICT
  1 Mississippi Valley–Type and Other Mineral Deposits of the Midwest USA
  Monday, 18 April 2016

  8:00 AM - 12:00 PM

  Illinois Ballroom C

2008

• Predictive Biodynamic Principles Resolve TWO Long-Standing Topographic-Landform-Soil Issues: Mima Mounds and Soil Stone-Layers
  T172 The Origin of Mima Mounds and Similar Micro-Relief Features: Multidisciplinary Perspectives
  Sunday, 5 October 2008

  1:30 PM - 4:45 PM