Volcanic rocks from the Wirrulla region include dacites, rhyodacites and rhyolites. They comprise both magmatic and pyroclastic types, and are similar to the Gawler Range Volcanics. Sedimentary rocks from the same region include quartz sandstones...

The PORT AUGUSTA 1:250,000 mapsheet area covers the north-eastern part of the Eyre Peninsula, the northern Spencer Gulf and the south-western Flinders Ranges, and extends from latitude 32°00'S to 33°00'S and longitude 136°30'S to 138°00'S. The main...

The Gawler Range Volcanics are an extensive series of subaerial felsic lavas and ignimbrites, which crop out on the central Gawler Craton. Twenty seven sites within the southern Gawler Range Volcanics were inspected to determine their potential to...

Between July 2015 and April 2016, the Geological Survey of South Australia, in collaboration with the Deep Exploration Technologies Cooperative Research Centre (DET CRC), Minotaur Exploration Limited and Kingston Resources Limited, carried out a...

Geochronology enables us to determine the age of rocks and minerals. The variety of isotopic geochronological techniques give complementary information on, for example, the timing of igneous or metamorphic crystallisation, as is often the case for the...

The YARDEA 1:250,000 scale regional geological map area straddles the southern margin of the Gawler Ranges on northern Eyre Peninsula. The only major township within the area is Minnipa, with Kimba and Wudinna both located immediately south of the...

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