Queens College School of Earth and Environmental Sciences, 65-30 Kissena Blvd, Flushing, NY 11367, United States
Queens College School of Earth and Environmental Sciences, 65-30 Kissena Blvd, Flushing, NY 11367, United States ; Department of Earth and Environmental Sciences and Lamont-Doherty Earth Observatory of Columbia University, 61 Rt. 9W, Palisades, NY 10964, United States
Center for Accelerator Mass Spectrometry, Lawrence Livermore National Laboratory, Livermore, CA 94550, United States
Department of Earth and Environmental Sciences and Lamont-Doherty Earth Observatory of Columbia University, 61 Rt. 9W, Palisades, NY 10964, United States