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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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Watson Siding (South). Progress and final reports to licence surrender for the period 11/12/81 to 10/10/82.
In a search for possible concealed Olympic Dam type base metal deposits within an area located 80 km north-west of Yalata, the licensee investigated several previously identified contiguous magnetic and gravity anomalies by performing ground magnetic...-
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Published: 16 Dec 1982
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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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Emu Hill. Progress and annual reports plus final report to licence expiry/full surrender, for the period 22/4/1991 to 21/4/1996.
Diamond exploration undertaken north-west of Moolawatana included the acquisition of airborne magnetic / radiometric and ground magnetic surveys, plus soil, stream sediment, gravel, loam and rock chip sampling, and aircore/diamond drilling (25 holes,...-
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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 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 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 86/00031 Reconnaissance sampling for heavy mineral sands, Kangaroo Island.
Beach sands, dunes and selected creek sand were sampled. Kanmantoo Group metasediments that underlie most of the island, basalt and granite are favourable source rocks for heavy minerals. They are being actively eroded along most of the coastline but...-
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Published: 01 May 1986
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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 77/00051;Env 03054 Porphyry style copper/molybdenum mineralization at Anabama Hill and the Cronje Dam copper prospect.
For a project to determine the base metal potential of known copper-mineralised igneous rocks which outcrop in an area located approximately 59 km south-west of Olary, the South Australian Government has completed detailed mapping, geochemical...-
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Published: 17 May 1977
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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 83/00007 Coober Pedy Opalfields - Results of the subsidised exploration programme, 1981.
221 shafts were drilled. Precious opal or potch was found in 11 shafts and good sandstone prospective for opal in 34 shafts. A new field, Southern Cross, was established subsequent to the discovery of potch in subsidised shaft 85.-
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Published: 01 Mar 1983
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RB 85/00020 Genesis of jade and host rocks in DDH14 at outcrop 15 Cowell Jade Province, South Australia.
The jade is produced by series of episodes of recrystallization and replacement during the retrograde metamorphism of prograde amphibolite facies assemblages in impure carbonate sediments. The quality is partly controlled by the original sediment...-
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Published: 01 Apr 1985
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RB 86/00035;Lib Review of diamond drilling of nephrite jade deposits near Cowell, South Australia.
Jade was first discovered in 1965, 20 km north of Cowell. It consists of nephrite formed within the migmatised Early Proterozoic Minbrie Gneiss Complex, with host rocks of dolomite marble and banded calc silicates. Alteration zones around nephrite...-
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Published: 01 Jun 1986
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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 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 89/00051 Cowell Jade Province: Detailed geological mapping and diamond drilling of jade and ornamental marble outcrops, 1982-1987. Volume 1.
Detailed mapping undertaken between 1982 and 1987 of 48 known jade outcrops located in the Cowell - Cleve area, and diamond drilling of 3 jade outcrops and 2 ornamental marble prospects, has identified many factors controlling nephrite formation. The...-
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Published: 01 Jan 1992
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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
