gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1998.62A.2.125 Proto-Stellar Cosmic Rays and Extinct Radioactivities in Meteorites Lee T. Institute of Earth Science, Academia Sinica, (also ASIAA), Taipei, 115 Taiwan Shu F. H. Shang H. Astronomy Department, University of California, Berkeley, CA 94720-3411 USA Glassgold A. E. Physics Department, New York University, New York, NY 10003, USA Rehm K. E. Argonne National Laboratory, Argonne, IL 60439-4832, USA 1998 62A 2 872 872 Copyright © 1998, The Mineralogical Society 1998