A Comparison of Modern Mass Spectrometric Methods for Th Isotope Ratio Measurement
A. Zindler, M. Reid, F. Albarede and J. Blichert-Toft
National High Magnetic Field Laboratory, and Department of Geosciences, Florida State University, 1800 E. Paul Dirac Drive, Tallahassee, FL 32306, USA
W.M. Keck Foundation Center for Isotope Geochemistry, Department of Earth and Space Sciences and IGPP, UCLA, Los Angeles, CA 90095-1567, USA
Laboratoire des Sciences de la Terre, Ecole Normale Superieure de Lyon, 46, Allee d'Italie, 69364 Lyon Cedex 7, France