isostatic anomaly
isostatic anomaly
[¦ī·sə′stad·ik ə′näm·ə·lē] (geophysics)
A gravity anomaly based on a generalized hypothesis that the gravitational effect of masses above sea level is approximately compensated by a density deficiency of the subsurface materials.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.