gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1985.049.354.26 Book Reviews Petrology, Mineralogy and Evolution of the Jan Mayen Magma System Hall A. 12 1985 49 354 763 764 Imsland P. Petrology, Mineralogy and Evolution of the Jan Mayen Magma System Reykjavik Visindafélag Íslendinga, University of Iceland 1984 Rit 43, 132 figs Copyright © 1985, The Mineralogical Society 1985