To detect shallow anomalies under certain conditions, electromagnetic methods can be more effective in reconnaissance surveying than high-resolution surface seismic. This case study describes the results of the transient electromagnetic method (TEM) in an environment where initial field trials showed that surface seismic was difficult to employ effectively and expensive to implement.

TEM is a time-domain electromagnetic tool that measures the mineralization properties of rocks, which is the main reason why this technology is extensively used by the mining industry. As a result of its efficient data acquisition, the TEM method can be effective in certain near-surface engineering studies.

China's...

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