“…Milligan;Steffer et al, 2009) that also covers a variety of SEDEX and other types of mineral deposits (Carne et al, 2013), as shown in Figure 2. Legault et al (2013) have also presented ZTEM passive EM and VTEM time-domain EM and magnetic survey results over the Nuqrah Cu-Pb-Zn-Ag SEDEX deposit in Saudi Arabia.…”