A Reply

D. K. Bailey and R. Macdonald
Department of Geology The University, Reading RG6 2AB
Department of Environmental Sciences The University, Lancaster

Mineralogical Magazine; December 1975 v. 40; no. 312; p. 416-417; DOI: 10.1180/minmag.1975.040.312.12
© 1975, The Mineralogical Society
Mineralogical Society (www.minersoc.org)