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Thin, leaflike layers that occur in gneissic or schistose rocks.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



an ancient Portuguese and Spanish dance in triple measure, similar to the chaconne and saraband. The dance first appeared in the 14th century. The earliest tune described as a folia appears in F. Salinas’ Seven Books on Music (1577). The melody of the folia served as a motif in many virtuoso pieces for harpsichord, guitar, violin, and other instruments. In A. Corelli’s works the folia reached its peak of development. Corelli’s theme was used by F. Liszt in his Spanish Rhapsody for piano and by S. V. Rachmaninoff in his Variations on a Theme by Corelli (pianoforte solo). L. Cherubini introduced a folia into his opera A Portuguese Inn, and A. A. Aliab’ev used one in his ballet The Magic Drum, or The Sequel to the Magic Flute.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.