ensimatic geosyncline

ensimatic geosyncline

[en·sə′mad·ik ‚jē·ō′sin‚klīn]

(geology)

A geosyncline whose geosynclinal prism accumulates on a simatic crust and is composed largely of volcanic rock or sediments of volcanic debris.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.