The Officer Basin probably formed when the Gawler Craton collided westerly with the Yilgarn Craton during 1300-1000 Ma; the collision-faulted belt of the Fraser-Musgrave Orogen might form the basement of the Munyarai Trough in the eastern part of the...

In South Australia, the intracratonic eastern Officer Basin, which may contain up to 10 km of Neoproterozoic to Paleozoic sediments, is bounded by the Precambrian Gawler Craton to the southeast, the Musgrave Block to the north, and passes into...

Concealed basement on GILES comprises ?Archaean to Palaeoproterozoic metamorphic rocks belonging to the Nawa Subdomain of the Gawler Craton. These are intruded by Mesoproterozoic Hiltaba Suite granitic bodies and Mesoproterozoic or Neoproterozoic...