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A geophysical interpretative method is proposed to depth, amplitude coefficient (effective magnetization intensity), and index
parameter (effective magnetization inclination) determination of a buried structure from magnetic field data anomaly due to
a fault, a thin dike or a sphere-like structure. The method is based on the nonlinearly constrained mathematical modelling
and also on the stochastic optimization approaches. The proposed interpretative method was first tested on a theoretical synthetic
model with different random errors, where a very close agreement was obtained between the assumed and the evaluated parameters.
The validity of this method was also tested on practical field data taken from United States, Australia, India and Brazil,
where available magnetic data existed and were previously analyzed by different interpretative methods. The agreement between
the results obtained by our developed method and those obtained by the other geophysical methods is good. 相似文献