Uranium Isotope Ratios in Modern and Precambrian Soils

Brian DeCorte1, Noah Planavsky2, Xiangli Shaun Wang3, David Auerbach Colwyn4 and Andrew C Knudsen1, (1)Lawrence University, Appleton, WI, United States, (2)Yale University, Department of Earth and Planetary Sciences, New Haven, CT, United States, (3)Yale University, New Haven, CT, United States, (4)Yale University, Geology & Geophysics, New Haven, CT, United States