Possible Links Among Iron Reduction, Silicate Weathering, and Arsenic Mobility in the Mississippi River Alluvial Aquifer in Louisiana

David M Borrok1, Rebecca M Lenz2, John E Jennings3, Mary L Gentry3 and David S Vinson4, (1)Missouri University of Science and Technology, Geosciences and Geological and Petroleum Engineering, Rolla, MO, United States, (2)University of Louisiana at Lafayette, School of Geosciences, Lafayette, LA, United States, (3)Louisiana Department of Environmental Quality, Baton Rouge, LA, United States, (4)University of North Carolina at Charlotte, Charlotte, NC, United States