Geologic Age: Statherian
Other: Schist, quartz-feldspar-mica; argillite; rhyolite, porphyritic, fine grained; limestone; siltstone; felsic volcanics; sandstone, medium to coarse grained, poorly sorted; amphibolite; dolerite; basalt.
Usage: Formal; Resvd name published; Defined; CGG advised name will be used, despite existing Qld name Wallaroo Basalt. Age: ~1770-1740Ma. Age: 1763-1738Ma. Intruded by Tickera and Arthurton Granites.