Werner (1953), in analyzing the magnetic fields of dipping, magnetized dikes, proposed a method of separating the field contributed by a particular dike under study from the interference of neighboring dikes. In addition to being a means of effecting a regional-residual separation, Werner's method of analysis also had the advantage of being easily programmed on a digital computer. This made it a convenient method for analyzing the large amounts of data from reconnaissance aeromagnetic surveys, and it became the basis of the automatic interpretation schemes of Hartmann et al (1971) and Jain (1976). The purpose of this note is to discuss some limitations of the Werner method of deconvolution and also to point out some possible extensions of the method to the general interpretation of potential field data.

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