The Yilgarn Craton is a large craton which constitutes the bulk of the Western Australian land mass. It is bounded by a mixture of sedimentary basins and Proterozoic fold and thrust belts. Zircon grains in the Jack Hills, Narryer Terrane have been dated at ~4.27 Ga, with one detrital zircon dated as old as 4.4 Ga.
Read more about Yilgarn Craton: Geology, Western Gneiss Terrane, Murchison Province, Southern Cross Province, Eastern Goldfield Province, Bounding Terranes, Sedimentary Basin Cover, Regolith, Economic Geology