The programme of uranium exploration described in this report commence on 18/5/1954, following the discovery of three separate occurrences of uraniferous gneiss near Port Lincoln township by local resident Mr J. Gibson. The largest of these outcrops,...

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...

The Gawler Craton preserves a tectonic history spanning the interval c. 3200 – 1400 Ma, and its evolution is dominated by Neoarchean to Mesoproterozoic tectonic events. Prior to the Jurassic-Cretaceous breakup of Australia and Antarctica, the Gawler...

Exploration in the Moonabie area, located 40 km south-west of Whyalla, was aimed at possible concealed epithermal or Alligator Rivers (NT) type stratabound uranium occurrences within the Lower Proterozoic metasedimentary/metavolcanic sequence....

Migmatites are complex, high-grade crystalline rocks that have formed by partial melting. They have been recognised within the crustal rock record across most of geological time, are seen to be developed in various tectonic settings, and can affect a...

This report presents the results of SHRIMP U-Pb zircon geochronology from the southern Gawler Craton that has been acquired with the view to improving our understanding of some key stratigraphic units of this region. Eight samples taken from outcrops...

Calcrete sampling of an area 40 km southeast of Streaky Bay was prevented by a thick sequence of Bridgewater Formation calcarenite; rock chip sampling of an outcrop of Gawler Range Volcanics yielded no significant values. A detailed aeromagnetic...

Diamond, gold and platinum group element (PGE) exploration activities carried out within an area of known kimberlitic and lamproitic intrusive rocks east of Elliston comprised aircore drilling (23 holes, total 1188 metres), addressing 17 out of 36...

Diamond and gold exploration undertaken on the two relinquished ground portions located north-west and east of Venus Bay on Eyre Peninsula, which total 530 square km in area, have comprised heavy mineral sampling, heavy mineral grain microprobing,...

Three of nine untested magnetic anomalies, identified by the reprocessing of company aeromagnetic data acquired over an area east of Elliston, were drilled as part of a regional search for buried diamondiferous kimberlites. The resulting three...

Shallow basement along basin margins, and intersections of structural lineaments with Hiltaba Suite granitoids, were targeted over three separate areas: 40 km north-east of Elliston, and 10 and 30 km respectively south and east of Lock. No significant...

Aircore drilling of gold and base metal targets (23 holes, total 1136 m) was undertaken following lag, rock chip and leach sampling and a review of previous aeromagnetic and drillhole data from three separate areas, 40 km west and 50 km north-west and...

Calcrete and rock chip sampling, the latter including outcrop follow-up of weakly anomalous Cu and As found in re-assayed drillcore, was carried out in the hinterland to Port Neill, 80 km north-east of Port Lincoln. Calcrete Au results peaked at only...

Lag/laterite geochemical sampling carried out 20 km west of Port Lincoln identified certain areas that are anomalous in As. However, no anomalous drillcore assay results were returned from follow-up aircore drilling (5 holes, total 281 m) of a...

Calcrete and stream sediment sampling plus a TEISA programme infill aeromagnetic survey were carried out over an area extending for 10-40 km to the north-west and north of Cowell. Anomalous Cu in calcrete was recorded in the vicinity of the Charleston...

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During the sixth year of tenure of the Warramboo licence, now held by Adelaide Exploration Limited as renewed EL 2846 covering the same 1363 square km area as before, the only exploration-related activity which occurred was the acquisition during...

During the past 15 years, a major investigation (553 Rb-Sr and 100 K-Ar analyses) were undertaken to determine the Archaean - Proterozoic stratigraphic, magmatic and tectonic history. The isotopic dates define 3 broad groupings, Sleafordian Orogeny (2...

This report presents the results of a study jointly conducted by the Geological Survey of South Australia and CSIRO Mineral Resources which aimed to enhance the expression of geological structure in geophysical images and to derive depth to magnetic...

The Gawler Province 3D Geological Model is the second product of PIRSA's early 3D modelling trials conducted using 3D GeoModeller software. The work began with identifying the statigraphic units that were to be modelled. Due to the regional scale of...