Silica-Glass from the Libyan Desert

P. A. Clayton and L. J. Spencer
Inspector, Desert Surveys, Survey of Egypt
Keeper of Minerals, British Museum
1Portions of this paper were published in the Geographical Journal, October, 1933, vol. 82, pp. 375–377.

Mineralogical Magazine; March 1934 v. 23; no. 144; p. 501-508; DOI: 10.1180/minmag.1934.023.144.04
© 1934, The Mineralogical Society
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