Summary

Electrical geophysics in Western Australia is hampered by the presence of highly conducting thick overburden. The effect of this material is to diminish the signal received from the basement geology. Effective use of electrical geophysical prospecting tools in a mapping context requires accurate knowledge of the electrical properties of the overburden in order to isolate the electrical response of the basement. Bayesian inference provides a useful means for determining the degree of resolution it is possible to achieve given the electrical parameters of the overburden and the amount of measurement error. This function, giving probability as a function of parameter value is called a posterior probability density function.

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