On the Changed Composition of an Anorthoclase-Bearing Rock-Glass1
L. Hawkes and H. F. Harwood
Reader in Geology, Bedford College, London University.
Lecturer in Chemistry, Imperial College of Science, London.
1Unless otherwise stated, the chemical analyses given in this paper were made by Dr. H. F. Harwood. The remainder of the work was carried out by Dr. L. Hawkes who has written the paper.