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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 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 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 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 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 80/00104 Discovery of Early Cretaceous sediments at Mintabie Opalfield.
This note records the discovery of previously unrecognised Early Cretaceous fossiliferous sediments unconformably overlying Palaeozoic rocks at the Mintabie opal field. Following renewed mining activity at Mintabie in 1977-78, the Mineral Resources...-
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Published: 01 Sep 1980
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Abminga Diamond Project. Data release made at licence renewal [and project cessation]: progress reports and annual reports for the period 25/10/1993 to 17/3/2004.
The Abminga Diamond Project, undertaken by Caldera Resources NL, was granted exploration project status, including permission for EL joint reporting, in July 1996. This event followed up to two years of work by other operators on a number of...-
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Cradock (part of the Orroroo North Project). Progress reports to licence full surrender, for the period 12/8/1980 to 17/6/1991.
TARGET: Diamonds, base metals, gold and precious metals in the Cradock-Carrieton and Orroroo areas. EXPLORATION: Regional drainage heavy mineral sampling, bulk sampling and costeaning, mineralogical and sedimentological studies, localised...-
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Published: 25 Jul 1991
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Eucla Basin Stratigraphic Drilling Project. Well completion reports.
Four wells, drilled within 36 km of the Hughes and Denman Railway Sidings, explored for a possible Palaeozoic section and/or Upper Proterozoic or older basement, that was expected from Outback's regional gravity survey data to occur at or around...-
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Reedy Lagoon. Progress reports and final report to licence expiry/full surrender, for the period 3/2/1987 to 2/2/1992.
TARGET: Possible diamondiferous kimberlites subcropping under Cainozoic cover in an area located 110 km north-east of Glendambo. EXPLORATION: Acquisition and interpretation of 6759 line km of airborne magnetic and radiometric surveys, regolith heavy...-
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RI 051 Andamooka Opal Fields The Geology of the Precious Stones Field and The Results of the Subsidised Mining Program
Since discovery of the opal field in 1930, Andamooka, 640 km by road north of Adelaide, has been a major world producer of precious opal. All workable opal at Andamooka has been found in the Marree Formation, a sequence of marine sediments of...-
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RB 00069 Hydrology and geology of the GILES (4-mile) military sheet, with petrology by G. Taylor and palaeontology by N. Ludbrook.
In order to determine the underground water possibilities of the subject mapsheet area, a vehicle-borne ground reconnaissance was conducted over ten days during July-August 1952, followed in mid-August by several days of low-level aerial flight...-
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Published: 01 Sep 1900
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ExpNotes PARACHILNA (v2): Explanatory Notes PARACHILNA (second edition, 1999)
The PARACHILNA map area (31 to 32°S, 138 to 139.5°E) occupies the central Flinders Ranges which are made up of folded, mostly marine sedimentary Neoproterozoic and Cambrian rocks of the Adelaide Geosyncline, and adjoining plains underlain by Cainozoic...-
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ExpNotes WINTINNA: Explanatory Notes WINTINNA
A new generation, first edition WINTINNA 1:250 000 scale geological map and explanatory notes have been published. These documents represent the conclusion of the Geological Survey of South Australia's geological mapping program undertaken in the...-
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RB 62/00040 Heavy mineral sands, Kangaroo Island (11/2/1966).
Beach sands of Recent age which have accumulated in shallow water adjacent to the present shore of Morrison Beach, Kangaroo Island, have a heavy mineral content of 0.31%. The recently completed drilling programme has defined a sequence of fine to...-
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Published: 01 Jan 1968
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Diamond provenance studies at Chapel Hill Reserve, Echunga, South Australia. [being work done within one of the "Areas to be reserved under the Mining Act and Regulations 1971"].
The principal aim of Flinders Diamonds Limited’s (FDL) exploration in the Chapel Hill area is to discover a commercial diamond deposit. The source of the "Echunga" diamonds, found in the alluvial gold workings within the Chapel Hill Fossicking Reserve...-
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MIS 050 Minor Industrial Minerals of South Australia
There is no abstract created for this record-
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RB 24/00215 Micropalaeontological report on rock samples from the opal fields at Andamooka and Coober Pedy, South Australia.
There is no abstract created for this record-
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Published: 09 Sep 1948
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RB 2004/00012 Deposition and chemical composition of Early Cambrian salt in the eastern Officer Basin, South Australia
In South Australia, Cambrian massive salt deposits of the eastern Officer Basin occur in troughs lying along the western and north-western margins of the Gawler Craton, and are considered to have been deposited in marginal to open marine environments....-
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Published: 01 Jul 2004
