gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1934.023.144.04 Silica-Glass from the Libyan Desert Clayton P. A. F.G.S. Inspector, Desert Surveys, Survey of Egypt Spencer L. J. M.A., Sc.D., F.R.S. Keeper of Minerals, British Museum

Portions of this paper were published in the Geographical Journal, October, 1933, vol. 82, pp. 375–377.

 3 1934 23 144 501 508 Copyright © 1934, The Mineralogical Society 1934