gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1956.031.235.07 Trace-Element Distribution in a Garnet-Chlorite Rock from Foel Ddu, near Harlech, Merionethshire Mohr P. A. B.Sc., Ph.D. Department of Geology, University of Manchester 12 1956 31 235 319 327 Copyright © 1956, The Mineralogical Society 1956 Summary

Analytical data on a garnet-chlorite rock and the contained garnet with spectrographic determinations of the trace elements are presented, and the principles determining the distribution of these elements between the garnet and the chlorite are discussed.