...respect to either space or time, equivalent to an isostere. isoradial — A radial from the isocenter. isostasy — A condition of approximate equilibrium...in the material under the oceans. See also depth of isostatic compensation; Hayford-Bowie method of isostatic reduction; Hayford-Bullard (or Builard) method...

...state. It is a theory that the condition of approximate equilibrium in the outer part of the Earth is approximately counterbalanced by a deficiency of...density in the material beneath those masses, while a deficiency of density in ocean waters is counterbalanced by an excess in density of the material...

...stratigraphic succession composed of one or more lithologies. • isostasy a theory of the conditions of approximate equilibrium in the outer part of the earth such that the gravitation effect of masses extending above the surface of the geoid in continental areas is approximately...