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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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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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RB 2006/00001 Guide to the sedimentary cover of the central Gawler Craton, South Australia
The central Gawler Craton is blanketed by thin sedimentary cover that ranges in age from Neoproterozoic to Quaternary. Locally, though, such cover can reach a maximum of ~500 m thickness in Permian glacial valleys or rift structures. This guide...-
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Published: 01 Jan 2006
