Base of Weathering
Base of Weathering :
(n.) Geophysics. The lower boundary of the near-surface, low-velocity zone in which rocks are physically, chemically or biologically broken down, in some cases coincident with a water table. Static corrections to seismic data can compensate for the low velocity of the weathered layer in comparison with the higher-velocity strata below. See: First Break, Ghost, Static Correction, Velocity, Weathering
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