Meddelelser fra Dansk geologisk forening Symposium on Metamorphic Facies and Facies Series (Held in Aarhus, February 16, 1967). Special issue of 1967, 17(4), pp. 389 516, 38 fig., 7 tables, D.Kr. 40.00. Dansk Geologisk Forening, Øster Voldgade 5 7, Københa