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RB 86/00058 (Revised edition, 2016) Excursion guide. Silcrete field workshop, South Australia, August 19-30, 1985.
Guide covers an area extending from the western margin of Lake Torrens to Coober Pedy, and down to Ceduna. Characteristics of the silcretes in the Tertiary sequences, field relationships, and other criteria which might be used to interpret processes...-
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Published: 01 Jun 1916
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RB 87/00031 Coober Pedy Opalfields. Geology of the precious stones field and results of the subsidised exploration program, 1981 (Volume 1).
Production 1978 - 1985 has averaged $25 000 000 per year. Mining is now mainly by mechanized methods in underground workings, most of the older shallower fields having been worked out. All areas of deeply weathered Bulldog Shale, or Russo Beds...-
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Published: 01 Jun 1987
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RB 91/00041 Geology of the KINGOONYA 1:250 000 map sheet area.
Extensive field geological mapping, augmented by petrological and geochemical studies, reinterpretation of company drilling and water-bore logs and a nine-hole drilling programme has detailed the geology of the KINGOONYA area. The stratigraphy spans...-
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Published: 01 Apr 1991
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RI 056 Geology of the Coober Pedy Precious Stones Field Results of Investigations, 1981-86
The Coober Pedy Opal Fields, since their discovery in 1915, have been the largest producer of precious opal in the world, with the estimated value of production over the period 1978-86 averaging $25 million per year. Mining is now done mainly by...-
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