According to BHP announcement on 28 Nov 2018 about identification of new IOCG mineralization at Oak Dam located 65km to SE of Olympic Dam, among minnow nearology players in the region, it seems SCI is most likely advanced position in terms of past field work and planned work program in 2019 with potential to discover (another) IOCG system, imo, as company mentioned it(IOCG).
Regards,