1888 J. P. Iddings tr. Rosenbusch 223 The product of a dynamo-metamorphic alteration of plagioclase.
1904 4 Aug. 317/2 The observations of..Barrois in Brittany thus receive confirmation from the stronghold of the dynamometamorphic school.
1909 F. P. Mennell xix. 152 It is usual to discriminate between dynamo- and pyrometamorphic types.