“…1675 Ma switch in the regional extension direction resulted in the development of the Isa Superbasin (Fig. 3) Hutton et al, 2012). The Isa Superbasin is interpreted to reflect a period of thermal subsidence Betts et al, 1999) and fault reactivation (Andrews, 1998;Betts, 2001;Krassay et al, 2000;Scott et al, 1998) during NNE-SSWdirected extension (Gibson et al, 2008).…”