Loupe is a new TEM instrument designed for profiling and mapping electrical conductivity to a depth of around 30 metres below surface. The system is mounted on two backpacks and data acquisition is continuous at walking pace. The transmitter and receiver are carried by separate operators in a 'moving loop' or 'out-of-loop' mode. Since presentation of the initial results using the Loupe TEM system (Duncan and Street, 2018) field tests have confirmed the applicability of the system to a range of near-surface electrical conductivity mapping applications. Some applications that have been trialled with success include: Tailings Storage Facility (TSF) seepage investigations; Mapping within TSFs; Mapping of ground conditions prior to TSF construction; Mapping of acid mine drainage; Mapping sulphides in underground mines; Mapping clays and other hazards in iron ore deposits; Mapping clay variability for brick making; Shallow sulphides and graphite mapping for exploration; and Groundwater exploration. The system clearly has many applications in engineering applications prior to construction.
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Street et al. (2024) studied this question.
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