An emplacement age of 1497 ± 38 Ma for the felsic Spilsby Suite exposed on islands in southern Spencer Gulf is anomalously young with respect to magmatism elsewhere within the Gawler Craton, and is approximately 75 to 90 million years younger than the...

Cambrian sediments in the Arrowie Basin were deposited on a rifted continental margin. Four distinct depositional regimes, ranging from a western, tectonically stable shelf, through platform-ramp to eastern slope and trough-synclines, can be...

The prevailing model of the crustal-scale architecture of the Musgrave Province (Lambeck and Burgess, 1992) proposes a Moho depth offset of 20-25 km beneath the Musgrave Province to explain early teleseismic arrivals and a regional gravity high. This...

The WINTINNA 1:250 000 mapsheet area lies between latitudes 27° to 28° South and longitudes 133°30’ to 135°00’ East. This ~16 400 square km area includes the Marla and Cadney Park settlements, and is crossed by the Stuart Highway and Adelaide to...

The Murray Basin is an intracratonic basin filled with Cainozoic fluvial to shallow marine sediments. Deposition in the Eocene and early Oligocene was characterised by floodplain and swamp deposits, emplaced with occasional interbeds of shelly clays...

A new generation, first edition WINTINNA 1:250 000 scale geological map and explanatory notes have been published. These documents represent the conclusion of the Geological Survey of South Australia's geological mapping program undertaken in the...

A new generation, second edition MARREE 1:250 000 scale geological map and its explanatory notes have been published. These documents represent the conclusion of the Geological Survey of South Australia's latest geological mapping program (1993 to...

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...

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The PARACHILNA map area (31 to 32°S, 138 to 139.5°E) occupies the central Flinders Ranges which are made up of folded, mostly marine sedimentary Neoproterozoic and Cambrian rocks of the Adelaide Geosyncline, and adjoining plains underlain by Cainozoic...