The exploration depth of FlashRES resistivity meter

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Courtesy of ZZ Resistivity Imaging Pty. Ltd.

The formula for calculating the maximum depth is universal for all resistivity meters. The exploration depth depends on the survey line length. the survey depth is usually 20-25% of the survey line total length.

For example, for 10m takeout cables, the total length of the cable is 10m*63=630m and this means the exploration depth is 0.2*630m to 0.25*630m.

The resolution is 10% of the exploration depth or half of the takeout spacing, the best resolution will decrease as the exploration depth becomes deeper. 

Reference:

http://www.zzgeo.com/zz-resistivity-faq_data_collection_3.4.html

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