Specific electrical resistance values, chandin rocks. It is not obvious, it's difficult to interpret.Imagine there is a better method of 2D section is able to show the difference of the electrical resistivity, low-high. And you can avoid a liangboriwen salt water. Disadvantages: there is a lot of peripherals. Team and long time required to make a survey of the area is less than the VES. Need a space to explore and survey equipment is expensive.
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