Note 18 — J. E. MARR, M.A., F.R.S. (continued 2)
Reading edition
It must be noticed that the rock in which parallel structure is produced before consolidation, if it undergoes no further change, though often associated with metamorphic rocks, is not itself metamorphic. The term gneiss applied to these rocks is a misnomer, unless the term be used even more vaguely than it is at present.