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Annual report on exploration activities, Mount Neill and Mount Fitton areas, EL 871, 1982.
A reassessment of Marathon Petroleum's 1979 regional stream sediment sampling programme led to the decision to resample a number of areas within EL 871. The Mt Neill and Mt Fitton areas were chosen, as a result of possible similarities with the...-
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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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Blue Gum Hill, Kangaroo Island. Progress and final reports to licence surrender for the period 19/4/1973 to 29/1/1974.
In ongoing exploration of the base metal potential of a small licence area located 34 km west of Kingscote, 5 inclined shallow diamond drillholes totalling 399 m were put down on significant anomalies located by IP surveys and/or geochemical soil...-
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Published: 29 Jan 1974
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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 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 60/00130 Opal occurrence, Myall Creek Station (inspected on 25/6/1965).
Common opal occurs in bleached (pallid zone) Precambrian sediments beneath a porcellanite capping. The workings are not extensive, and no precious opal is known to have been found. The deposit is significant because the opal is associated with the...-
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Published: 01 Jan 1967
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RB 45/00118 Final report on iron ore prospecting, Corunna area, Iron Knob district.
In an area of limited basement outcrop located between 2 and 5 miles north-northwest of Iron Knob township, the Department's surface traverse channel sampling (969'), percussion boring (643’) and diamond drilling (1270’) tested a low grade...-
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Published: 04 Dec 1957
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RB 77/00010 Foraminiferal biostratigraphy of the Andamooka Opalfields.
There is no abstract created for this record-
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Published: 01 Jan 1977
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RB 83/00078 Petrography of two specimens of matrix opal from Andamooka.
Limestone of (?)Cambrian age and sedimentary breccia of (?)Mesozoic age are suggested for the origin of the opalised rock.-
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Published: 01 Oct 1983
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RB 86/00069 Precious opal and the weathered profile at Coober Pedy.
The Coober Pedy Precious Stones Field is the largest producer of precious opal in the world. The opal is the product of weathering processes and is localised within the weathered profile. It occurs in early Cretaceous marine claystone of the Bulldog...-
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Published: 01 Nov 1986
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RB 86/00018 Base metal exploration Flinders Ranges National Park. Final report, Stages 1 and 2. Volume 1 (of 2).
Exploration for Mississippi Valley type (MVT) lead zinc along the western margin of the Park has been confined to the upper part of the Wilkawillina Limestone of the Cambrian Hawker Group, where surface lead, zinc and copper mineralization and karstic...-
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Published: 01 Jun 1986
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RB 84/00047 Origin and formation of matrix opal from Andamooka, South Australia.
Two specimens were probably formed by partial dissolution of Andamooka Limestone erratics within Cretaceous marine sandy clay, followed by replacement of the remaining carbonate rock by fine grained silica together with growth and deposition of silica...-
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Published: 01 Jul 1984
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RB 79/00006 Opal at the Stuart Creek, Charlie Swamp and Yarrawurta Cliff diggings. Report no. 12 on geological investigations and Calweld drilling of the Stuart Creek Precious Stones Field.
Small quantities of precious opal have been mined from sediments of the Early Cretaceous Marree Formation at Stuart Creek, 50 km north of Andamooka. These sediments appear to have been unaffected by the Early Tertiary deep weathering and bleaching...-
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Published: 01 Jan 1979
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RB 76/00119 Silcrete sediments and stratigraphy.
There is no abstract created for this record-
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Published: 01 Jan 1976
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RB 78/00132 Chiastolite from the Olary Province, South Australia.
Describes geology of all known chiastolite localities.-
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Published: 01 Jan 1978
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RB 79/00055 Petrographic study of the sediments in seven Officer Basin stratigraphic wells.
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...-
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Published: 01 Jan 1979
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RB 79/00092 Petrophysical data on Wilkinson stratigraphic drillhole no. 1.
Various petrophysical property measurements (total count radiometric, mag susceptibility and specific gravity) were made at 1-metre intervals on samples of stored drill core recovered from the hole depth range 210 m to 710 m (TD) in SADME Wilkinson 1...-
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Published: 01 Jul 1983
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RB 81/00114 Structural and metamorphic controls on the origin of nephrite jade near Cowell, SA.
1 of the worlds principal nephrite jade deposits was formed during a late phase tectonic event, involving cross-warping and fracturing of high grade metamorphic complex.-
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Published: 01 Nov 1981
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RB 82/00061 Late Tertiary grey billy, and the age and origin of surficial silicifications (silcrete) in South Australia.
Age demonstrated by stratigraphic relationships with palynologically dated sequences, and evidence of erosion of silcretes.-
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Published: 01 Jan 1982
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RB 98/00010 Regolith studies related to the Challenger gold deposit, Gawler Craton, South Australia. Geochemistry and stratigraphy of the Challenger gold deposit - Volume 1: text, and Volume 2: appendices.
The Challenger gold deposit lies in the northern Gawler Craton, South Australia, 750 km NW of Adelaide, and 140 km NW of Tarcoola. A 1.5 km traverse (the regolith line) was chosen for the study of geochemical dispersion and regolith stratigraphy...-
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Published: 01 Mar 1998
