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This study presents the application of time domain electromagnetic (TDEM) survey methods in underground mine galleries for mineral exploration at depth. The research demonstrates that TDEM techniques can effectively detect and characterize ore bodies and geological structures from within existing mine infrastructure, offering improved detection capabilities compared to surface-based surveys. The method provides enhanced resolution for identifying mineralization zones in the vicinity of deep mining operations.
Why it matters
This technique allows mining companies to explore for additional mineral deposits adjacent to existing mines more efficiently and cost-effectively than traditional surface exploration methods. By using existing underground infrastructure, exploration can extend the productive life of mines and reduce the environmental footprint associated with new exploration drilling from the surface.
Source: Time domain electromagnetic survey in deep mine galleries for mineral exploration