Some common aspects of magnetic, induced polarization and self-potential anomalies interpretation: implication for ore target localization.

re deposits usually occur in mountainous conditions characterized by rugged relief, complex and variable geological media. As a rule, the application of various modifications of seismic methods in such conditions is not effective. Among the geophysical methods applied in ore deposits may be distinguished the mobile and effective magnetic, self-potential (SP), and induced polarization (IP) methods. For the magnetic method of geophysical prospecting have been recently developed special quantitative procedures applicable under complicated environments (oblique polarization, rugged relief, and unknown level of the normal field) (Khesin, Alexeyev and Eppelbaum, 1996). The performed analysis allowed to reveal some common peculiarities of the magnetic, SP, and IP fields. These common aspects make it possible to apply the procedures developed in magnetic prospecting to the SP and IP methods. These procedures (improved modifications of characteristic point and tangent techniques) have been successfully tested both on models and in real situations (copper, polymetallic, gold, and other economic ore deposits). Application of these interpretation procedures allows not only to localize the buried ore targets under the complicated environments but also to determine some quantitative parameters of these bodies.