10 reverse circulation holes were drilled, totalling 311 m. Surface radiometric effects were attributed to groundwater Ra and/or Rn, or to evaporitic concentrations of uranium daughter products. Results from drilling and from track etch (alpha)...

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In a search for carbonate mineral bulk raw materials suitable for use at the BHP Whyalla blast furnace as fluxes in steel-making, 5 exploratory vertical rotary cored holes totalling 189 m were drilled on the Nullarbor Plain near the coast just west of...

The Cenozoic Eucla Basin is located on the southern margin of the Australian continent, with a present-day basin onshore edge which extends for over 2,000 km from Western Australia into South Australia. The basin’s sediment fill comprises a thin...

Drill cores from four bores in the Western Australian portion of the Eucla Basin and two bores in the South Australian portion reveal a sequence of over 1200 feet of Cretaceous mudstones, sandstones and greensands overlain by a maximum of 900 feet of...

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The Coompana area is characterised by several thick basin cover sequences dominantly composed of limestone, and forms the topographically flat Nullarbor Plain. Consequently, this region was previously considered too challenging for mineral...

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Three minor gravity anomalies, detected by a previous survey, have been tested by rotary percussion drilling. Small cavities were intersected in all holes, although only hole 6 (anomaly E) intersected cavities of the size predicted from the gravity...