“…Roberts, 1975), Mid-Late Cretaceous (Kristofferson, 1978;Chappell and Kusznir, 2005), Early Permian (Russell and Smythe, 1978) or Late Carboniferous (Haszeldine and Russell, 1987) times; quasi-oceanic crust formed during Late Carboniferous-Early Permian (Smythe, 1989) times; stretched continental crust with zones of oceanic crust (e.g. Megson, 1987); highly stretched continental crust Hauser et al, 1995;O'Reilly et al, 1996;Morewood et al, 2005); highly stretched continental crust with concomitant igneous intrusion (Joppen and White, 1990); and crustal blocks interspersed with serpentinised mantle (Pérez-Gussinyé et al, 2001).…”