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Tarlton Knob and Cadnia Hill. Joint progress and final reports to licences' expiry/full surrender for the period 23/3/1973 to 22/3/1974.
A consultant's detailed regional geological study of the northern Willouran Ranges, and then his very close examination of the apparent controls on known diapir-related exposed epigenetic / stratabound copper mineralisation, have identified three...-
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Mount Plantagenet. Progress reports, annual reports and final report to licence expiry/full surrender, for the period 8/1/1982 to 7/1/1986.
Detailed base and precious metals exploration undertaken by Utah Development Company in the area of the Worumba Anticline has targeted possible stratiform Zambian Copperbelt - type deposits. Exploratory work has included 72 geochemical vertical...-
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RB 60/00091 Diapirism in the Adelaide Geosyncline.
During the Neoproterozoic Willouran Epoch, a thickness of approximately 20,000 feet of Callanna Beds were deposited under shallow water conditions in the western zone of the Adelaide Geosyncline. Diapirs were produced by the lower Callanna sequences....-
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Published: 07 May 1965
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RB 85/00027 Gravity of the Blinman Dome Diapir.
Gravity traverses completed over the Blinman Dome indicate the presence of a low density body, interpreted to consist of brecciated material with a large depth extent. The bulk of the dismembered sedimentary rafts and xenoliths may be confined within...-
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Published: 01 Jan 1985
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RB 80/00120 New stratigraphic nomenclature for Willouran to Sturtian units of the Worumba Anticline.
The arcuate Worumba Anticline (Spry, 1952) is a major regional structure centred some 20 km east of Hawker (Fig. 1).- Its eastern flank is gently dipping, and comprises the Sturtian to early Marinoan Umberatana Group, (while the Torr.ensian>to...-
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Published: 01 Dec 1980
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RB 81/00089 Copper mineralization in the Eurelia Carrieton area.
Uneconomic stratiform copper mineralization over area of 2.5 by 1 km was discovered by Utah west of Eurelia in 1969 - 1977. It occurs near core of SW plunging anticline in the Burra Group. Host rocks are carbonaceous and pyritic siltstone, dolomite,...-
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Published: 01 Jan 1981
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RB 82/00084 Some comments on Late Precambrian Cambrian stratigraphic nomenclature in the Adelaide Geosyncline. A reply.
Report gives a detailed justification for the author's recently made proposal to erect three members of a new "supergroup" classification level within the published stratigraphy for the Adelaide Geosyncline, an idea which is based purely on observed...-
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Published: 01 Nov 1982
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RB 84/00033 Progress in mapping the Precambrian of the Curdimurka area.
Summarises information gathered during mapping since 1981, particularly work by Utah Development Company. Covers fault - bounded structural complexes in the Callanna Group and sections measured through upper Burra Group, overlying glacial beds and...-
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Published: 01 May 1984
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RB 83/00101 Geology, geophysics and stratigraphic drilling at Depot Creek, southern Flinders Ranges.
Depot Creek is one of few localities with sedimentary contact between the Burra and Callanna Groups. The Depot Creek 1 drillhole [TD 874.35 m] provided subsurface control for making an interpretation of the structure of the eastern margin of the...-
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Published: 01 Jan 1983
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RB 85/00063 Oraparinna barite deposits. A summary of barite near southern margin of Oraparinna Diapir, Flinders Ranges.
The diapir forms the core of large domal structure and contains large rafts of Sturtian sediments and Willouran dolerite in brecciated matrix. Surrounding country rock, with steep overall dip away from the diapir, comprises Sturtian shale, siltstone,...-
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Published: 01 Nov 1985
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RB 79/00159 Three sections measured in Lower Adelaidean (Proterozoic) rocks, southeastern Curdimurka area.
Stratigraphic sections were measured through the Callanna Beds and lower Burra Group, by tape and air photo enlargement, at the following localities: (1) north-east of Kingston Dam, (2) south-east of Dome Hill and (3) west of Callanna Homestead. At...-
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Published: 01 Jan 1980
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RB 81/00055 Subdivision of Lower Adelaidean, Willouran Ranges.
The Arkaroola and Curdimurka Subgroups of the Callanna Group (late Precambrian) are defined respectively in the Arkaroola and Willouran areas. The Curdimurka Subgroup is the uppermost of these subdivisions; it comprises 4700 m of sediments that were...-
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Published: 01 Aug 1981
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RB 79/00024 Adelaidean sedimentation. The Adelaide Geosyncline and Stuart Shelf.
In southern South Australia, the meridional Torrens Hinge Zone, at approximately longitude 138º, separates the cratonic Stuart Shelf with its undeformed, relatively thin sedimentary cover in the west, from the folded Adelaide Geosyncline to the east....-
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Published: 01 Jan 1979
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RB 81/00113 Report on the geophysical investigation of Worumba Anticline.
The core complex contains carbonate breccia and raft like inclusions of rocks including dolerites. These have distinct magnetic signature and associated gravity effects. Gravity surveys have revealed steep regional gradient characteristic of basement...-
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Published: 01 Jan 1982
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RB 89/00002 Excursion guide to diapirs of the Flinders Ranges, Specialist group in Tectonics and Structural Geology Conference, Kangaroo Island, 2-3 February 1989.
The Flinders and Mount Lofty Ranges of South Australia contain well exposed late Proterozoic and early to middle Cambrian dominantly sedimentary rocks, deposited in the Adelaide Geosyncline and deformed during the Cambro-Ordovician Delamerian Orogeny;...-
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Published: 01 Jan 1989
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RB 93/00019 Geology of the Upalinna Diapir, central Flinders Ranges.
Investigation of the Upalinna Diapir, located 20 km east of Wilpena Pound in the Adelaide Geosyncline, has identified a number of structural and sedimentary features normally associated with evaporite diapirs. The Upalinna Diapir is a small,...-
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Published: 01 Feb 1993
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RB 88/00051 Pre-Mesozoic geology of the Curdimurka region.
Pre-Mesozoic rocks are best exposed in the Willouran Ranges SW of Marree, but inliers occur as far west as Stuart Creek. These approximate the junction of the Stuart Shelf (to the west) with the Torrens Hinge Zone, which extends east to the Norwest...-
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Published: 01 Jul 1988
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RB 88/00019 Stratigraphic and tectonic overview of the Adelaide Geosyncline, South Australia.
The Adelaide Geosyncline contains an extremely thick folded Late Proterozoic to Middle Cambrian sequence deposited initially in rifted troughs and later in broad zones of regional subsidence. Age constraints on deposition are based on dating of rare...-
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Published: 01 Mar 1988
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RB 88/00085 1:250 000 Geological series - Explanatory Notes, OLARY, South Australia. Sheet SI/54-2 International Index.
The OLARY map area includes the SW part of the Willyama Inliers and surrounding Adelaidean (Late Proterozoic) sequences. The Early Proterozoic Willyama Supergroup is separated by NW-trending faults into blocks of metasedimentary rock of upper...-
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Published: 01 Nov 1988
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AMIRA Project P544: Proterozoic sediment-hosted copper deposits. Quarterly progress reports and final report for the period July 2000 to October 2003.
The original objectives of this project were: 1) To understand the processes responsible for transporting, concentrating and fixing copper and other ore constituents during sedimentary basin evolution 2) To document the various stages and paragenesis...-
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