ZTEM airborne AFMAG survey results over low sulphidation epithermal gold-silver vein systems at Gold Springs, south eastern Nevada

Passive airborne EM and Ground IP\Resistivity results over the Romero intermediate sulphidation epithermal gold deposits, Dominican Republic

“…Niemi, 2014), it appears to share closer geophysical resemblance to HS signatures. Indeed Kwan et al (2014) note similar geophysical characteristics at the Cerro Quema HS deposit in Panama; whereas Legault et al (2012a) describe high resistivity signatures over the Gold Springs LS gold deposits in Nevada.…”

Helicopter EM (ZTEM-VTEM) Survey Results over the Nuqrah Cu-Pb- Zn-Au Sedex massive sulphide deposit in the Western Arabian Shield

“…Ltd, Midland, AU). The ZTEM survey results were interpreted using the Av2Dtopo inversion code (Legault et al, 2012b) that was adapted for the ZTEM airborne AFMAG system from standard 2d MT inversion code (c.f., Legault et al, 2009). Figure 4 presents the resistivity-depth slices obtained from RDI imaging of the VTEM dBz/dt results 150m below the surface, with approximately 350m being the nominal estimated depth of investigation for the VTEM survey.…”