On the Occurrence of Nacrite at Shap, Westmorland

R. J. Firman
Department of Geology, Durham Colleges in the University of Durham.
1Communicated by the General Secretary; taken as read June 11, 1953.

Clay Minerals; September 1953 v. 30; no. 222; p. 199-200; DOI: 10.1180/minmag.1953.030.222.06
© 1953, The Mineralogical Society
Mineralogical Society (www.minersoc.org)