47th Forum on the Geology of Industrial Minerals

Champaign, Illinois, May 15-17, 2011

Interstate over quarry

Thornton Quarry (photograph by Joel Dexter)

The 47th Forum on the Geology of Industrial Minerals was held May 15–17, 2011, in Champaign, Illinois. The meeting, hosted by the Illinois State Geological Survey (ISGS), was attended by more than 70 geologists, mineral resource specialists, and consultants from federal and state geological surveys and private industries. Thirty-four technical papers and posters were presented, and the abstracts were published in ISGS Open File Series 2011-2. The published Proceedings of the 47th Forum on the Geology of Industrial Minerals includes 16 papers focusing on the geology of construction aggregates (crushed stone and sand and gravel), strategic rare earth elements (REE), geologic mapping, high-calcium limestone resources for desulfurization, and Mississippi Valley-Type lead-zinc deposits, among others. Noteworthy topics include the REE potential of the southern Illinois-western Kentucky Fluorite District, innovative methods for measuring and describing archeological specimens and inaccessible geological formations, a biogeochemical method of niobium-tantalum exploration, the utilization of a flue gas desulfurization and swine manure mixture as a potential fertilizer additive, a method for detecting contaminated drywall used after Hurricane Katrina, a review of warping marble in New Orleans cemeteries, a UK perspective on underground mining of crushed stone, a tool for calculating the transportation cost of construction aggregate, and an overview of the $1.5 billion industrial minerals industry in Illinois.