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Report on the Shamrock uranium prospect.
Uranium mineralisation was first discovered at the old Shamrock Copper Mine during a systematic search of old mine dumps by the South Australian Department of Mines in 1955. Follow-up investigations located a small high-grade uranium lode (Valley...-
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RB 37/00149 Appraisal of Torrens barite mine, Hundred of Onkaparinga.
In February 1951, South Australian Barytes Limited became interested in this mine, held under claim by Reginald John Alfred Larsson and requested an inspection by Department of Mines officers. This request was repeated, and endorsed by Larsson in...-
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Published: 17 Jun 1954
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RB 53/00136 Andamooka and Coober Pedy Opalfields.
There is no abstract created for this record-
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Published: 01 Jan 1963
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RB 54/00150 Inspection of Andamooka and Coober Pedy Opalfields.
There is no abstract created for this record-
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Published: 01 Jan 1962
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RB 55/00005 Report on Andamooka and Coober Pedy Opalfields.
The Andamooka and Coober Pedy Opal Fields have seen a large increase in population and production of opal in the last few years. The general outlook of the miners regarding the pegging and registering of claims and the conduct of mining operations are...-
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Published: 01 Jan 1962
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RB 55/00127 Inspection of Andamooka and Coober Pedy Opalfields, October-November, 1962.
There is no abstract created for this record-
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Published: 01 Jan 1962
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RB 59/00148 Visit to Lightning Ridge Opalfield, NSW. 19-20th November 1963.
A comprehensive survey of the opal mining industry in South Australia is at present being undertaken. Because of the peculiar nature and conditions associated with the opal industry it was thought that an inspection of the important opal field at...-
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Published: 01 Jan 1964
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RB 59/00151 Review of the opal mining industry in SA.
There is no abstract created for this record-
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Published: 01 Jan 1964
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RB 59/00056 Diamond drilling at the Pinnacles mine.
There is no abstract created for this record-
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Published: 01 Jan 1967
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RB 60/00068 Mintabie Opalfield.
A brief inspection of the workings, situated 120 miles west-northwest of Oodnadatta, showed that both precious and common opal occur in arenaceous sediments which have been affected by the Tertiary laterite forming process. Mining and living...-
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Published: 01 Jan 1967
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RB 60/00082 Coober Pedy Opalfield.
Mapping of the Coober Pedy Opalfield has shown that opal occurrence, although erratic, is not entirely unpredictable. Several groups of workings are present in an area of about 150 square miles. The host rock is a distinctive pink and white...-
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Published: 30 Apr 1965
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RB 49/00094 Andamooka and Coober Pedy Opalfields.
There is no abstract created for this record-
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Published: 01 Jan 1961
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RB 43/00026 Coober Pedy Opalfield.
There is no abstract created for this record-
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Published: 01 Jan 1958
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RB 43/00027 Andamooka Opalfield.
There is no abstract created for this record-
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Published: 01 Jan 1958
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RB 47/00086 Outline of the biostratigraphy of Andamooka Opalfield.
Four faunal assemblages are present in the Lower Cretaceous shales and sandstones at Andamooka. Abundant Aptian foraminifera occur in the "toe dirt" immediately below the opal horizon. A notable discovery from recent sampling is that of late...-
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Published: 01 Jan 1961
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RB 47/00123 Andamooka Opalfield.
Sediments tentatively assigned to the Marinoan Series (late pre Cambrian age) unconformably underlie Mesozoic and Cainozoic sediments in the area investigated. Opal is known to occur at three horizons and may occur in a fourth within the Mesozoic...-
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Published: 01 Jan 1960
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RB 78/00065 Nephrite jade deposits near Cowell. Report no. 2 - Trial mining and evaluation of the jade.
Cowell jade province contains 100 outcrops. The nephrite jade is associated with isoclinally folded dolomitic marble and calc silicate horizon in the upper Gneiss Complex of the Early Proterozoic Cleve Metamorphics. Discusses mining methods and quality.-
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Published: 01 Jan 1978
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RB 80/00026 Opal in South Australia.
Enlarged written version of a talk on the geology of opal, its occurrence and mining methods prepared for public presentation.-
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Published: 01 May 1980
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RB 86/00070 Andamooka Opalfields results of the 1984 prospecting scheme.
Andamooka Opal Fields, have been major world producer of precious opal since 1933. Opal has formed within a weathered, bleached profile at the interface of white, sandy claystone (Kopi) and underlying, grey brown montmorillonitic clay (Mud) near the...-
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Published: 01 Sep 1986
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RB 87/00102 Opal industry in SA. Report no. 9. The 1986 survey of mining equipment and estimated value of opal production.
An increase in production of $5.38 million from 1985 resulted from significant increase from Mintabie, moderate increase from Coober Pedy and a slight increase from Andamooka. Mintabie production which was $4 million more than Coober Pedy in 1986,...-
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Published: 01 Aug 1987
