Figure 10 in The Tumbarumba Basaltic Gem Field, New South Wales: In Relation to Sapphire-Ruby Deposits of Eastern Australia

Figure 10. Comparative post-Eocene basalt ages, Southern Tablelands–Snowy Mountains region, New South Wales, Australia. Age data for Grabben Gullen field from Bishop et al. (1985) and for Snowy field from Wellman & McDougall (1974),Young & McDougall (1993) and this paper. The diagram sets out entries in approximate geographic relationship. Ɵ indicates sapphire/zircon gemstone locality. Arrows indicate directions of plate motion and predicted volcanic shift.