gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1976.040.314.17 Short Communications Primary Allanite in Vitrophyric Rhyolites from the Tweed Shield Volcano, North-Eastern New South Wales Duggan M. B. 1 Dept. of Geology, University of New England Armidale, New South Wales 2351

Present address: Dept. of Geology, University of Otago, Dunedin, New Zealand.

 6 1976 40 314 652 653 11 7 1975 Copyright © 1976, The Mineralogical Society 1976