U-Pb zircon geochronology of the Nuyts Volcanics yielded an age of 1627 +/- 2 Ma, supporting a previous dating of 1631 +/- 3 Ma. The major and trace element compositions, as well as the presence of a tectonic fabric, suggest that the Nuyts Volcanics...

Brief description of sampling procedures and sites. All samples analysed by semi-quantitative spectrographic method for precious and rare earth elements. Results in appendix.

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...