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RB 84/00058 Progress report: CURDIMURKA 1:250 000 geological map - Cainozoic geology.
Two sandstone sequences, one un-named and one equivalent to the Watchie Sandstone, have been recognized on CURDIMURKA. These sandstone sequences occur beneath the Etadunna Formation. Both are believed to be equivalent to the Eyre Formation. The...-
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Published: 01 Sep 1984
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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 83/00056 Edeowie 1. Well completion report.
Edeowie 1 (TD 984 metres), which aimed to identify a series of seismic reflectors mapped by SADME beneath the eastern Lake Torrens piedmont plain, has intersected a stratigraphic sequence with features indicating that complex structural changes occur...-
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Published: 01 Jul 1983
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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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