Background The South Australian Department of Mines and Energy commissioned Amdel to carry out commodity surveys for a number of industrial minerals. This survey relates to the mineral trona and to sodium carbonate or soda ash production in general....

Core and cuttings from 7 stratigraphic wells in the Officer Basin were examined principally to develop a depositional model for sediments of pre-Permian age. Evidence from 6 of the wells suggests that an epeiric environment prevailed during ?Cambrian...

Two deposits comprising gently dipping dolomitic sediments of the Skillogalee Dolomite formation were located during a reconnaissance for construction materials for the Crystal Brook bypass. The southern deposit near Crystal Brook was subsequently...

Adelaidean (late Precambrian) sequences in the Kimberley Region, Western Australia, contain undisputed evidence of glaciation. In the East and West Kimberleys, only a single major glacial epoch is represented, but in the MOUNT RAMSAY area, there are...

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Wilkinson 1 stratigraphic well was drilled by the SA Department of Mines and Energy in mid-1978, about 250 km south-west of Coober Pedy, in the Tallaringa Trough. Here a thick section of Cambrian claystones, limestones and evaporites, at least 594 m...

160 000 m3 of stone in situ is required to supply crushed rock and sealing aggregate. Diamond drilling of 2 calcrete hard, grey dolomite outcrops 4.5 km NW of Lipson revealed a deep weathering profile in section 413. Inferred reserves at the northern...

An abandoned quarry, 9 km NW of Tumby Bay, was mapped and surveyed. It is sited on the equivalent of the Katunga Domomite, part of the Hutchison Group of Middle Proterozoic age. The marble was isoclinally folded and metamorphosed to granulite...

Progressive alteration through recrystallisation without significant metasomatism or dynamic metamorphism has taken place in 8 specimens of what are assumed to be original sedimentary dolomites. The present paragenesis includes talc and chlorites of...

Investigation of the Upalinna Diapir, located 20 km east of Wilpena Pound in the Adelaide Geosyncline, has identified a number of structural and sedimentary features normally associated with evaporite diapirs. The Upalinna Diapir is a small,...

The Neoproterozoic to Palaeozoic Officer Basin is located on and adjacent to the northwestern margin of the Gawler Craton. Deposition of the basin began in Adelaidean time, before and during the breakup of the supercontinent Rodinia. The...

Phase Two of a drilling program at Clare, South Australia was undertaken in June, 1997. A total of 6 bores were drilled, 4 of these at existing locations established during Phase One drilling in January, 1996, and a further 2 at Watervale Oval as...

Established producers have taken advantage of export opportunities for gypsum, salt and dolomite. New developments include a graphite processing plant at the former Uley Graphite Mine and trial mining of micaceous iron oxide for pigments. Proposals...

Reassessment of age frequency of published and unpublished radiocarbon dates from the Strzelecki Desert and Lake Frome - Lake Callabonna region in northeastern South Australia has delineated some Late Pleistocene climatic events. These include...

Twenty-three vertical open RC drillholes with a total penetration of 2663 m were drilled by MESA during February and March 1995 along four W-E traverses in the Stonefield area near Truro, to determine bedrock geology and geochemistry below sedimentary...

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The Officer Basin covers some 350,000 square km of central southern Australia, extending from the Yilgarn Block in Western Australia east to the Gawler Craton in South Australia. During the early 1980s Comalco Aluminium Limited explored the eastern...

The southern edge of Australia is the site of non-tropical biogenic carbonate formation over a greater expanse of continental shelf than the Great Barrier Reef. The variety of modern environments and sedimentary facies in this region, and the major...

Celestite (SrSO4), is the only known raw material suitable for production of Strontium carbonate and other compounds which are used in the television and computer industries. Historically, only 113 tonnes have been mined in Australia, all from...