Anomalous Lead Isotopes of a Galena from the Upper Mississippi Valley Zinc-Lead District
A. A. Sicree, H. L. Barnes and S. R. Hart
Earth & Mineral Sciences Museum, Pennsylvania State University, University Park, PA 16802, USA
Department of Geosciences, Pennsylvania State University, University Park, PA 16802, USA
Department of Geology and Geophysics, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA