Formulas giving the strike and dip of a plane reflector beneath a series of layers separated by interfaces of known strike and dip are developed in terms of seismic data obtained at the surface. The formulas for the position of a plane reflector beneath a single unconformity are also developed. Examples show the extent of the influence of the strike and dip of a single unconformity on the computation of the strike, dip, and position of the reflector yielding a given set of surface data.
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Dix et al. (1943) studied this question.