gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1981.044.335.18 Short Communications New Determinations of Tin and Tungsten in Granites from South-West England Alderton D. H. M. Dept. of Geology, Imperial College, London, SW7 2BP Moore F. Dept. of Geology, Faculty of Arts and Science, Shiraz University, Iran 9 1981 44 335 354 356 28 3 1980 23 12 1980 Copyright © 1981, The Mineralogical Society 1981