correlation [´kär·ǝ`lā·shǝn] GEOLOGY 1. The determination of the equivalence or contemporaneity of geologic events in separated areas. 2. As a step in seismic study, the selecting of corresponding phases, taken from two or more separated seismometer spreads, of seismic events seemingly developing at the same geologic formation boundary. STATISTICS The interdependence or association between two variables that are quantitative or qualitative in nature. |