gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1988.052.368.15 Short Communications Complex Pyroxene Assemblages of Proterozoic Dolerites, S.E. Greenland Hall R. P. Hughes D. J. Joyner L. Department of Geology, Portsmouth Polytechnic, Portsmouth, PO1 3QL 12 1988 52 368 703 705 9 12 1987 5 2 1988 Copyright © 1988, The Mineralogical Society 1988 pyroxene dolerite S.E. Greenland