A geochronological study of clastic metasedimentary units buried in the Delamerian Orogen region of South Australia has been undertaken to gain a better understanding of the age and provenance of these units and to assess their similarities to...

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The extremely thick succession provides one of the most complete sedimentary records for the Late Proterozoic. The term geosyncline is used in a non-genetic sense for the basin in which deposition occurred during the Adelaidean and Cambrian. Only the...

Eight stratigraphic sections were measured on enlargements of air photos between Spalding and Cradock, up to 200 miles north or northeast of Adelaide. The rocks are mainly from the Umberatana, Burra and River Wakefield Groups of the Adelaide System....

Mapping of the Winnininnie 1:63,360 mapsheet has been undertaken as part of a programme to complete mapping of the Olary 1:250,000 Sheet. The area lies about 200 miles from Adelaide on the road and railway line to Broken Hill, and includes the...

This investigation was a feasibility study, therefore environmental factors are dealt with in much more detail than would be necessary in a routine geochemical report. Apparently these factors has little significant effect on the results. Spot...

Geophysical surveys made in the Mount Coffin diapir area show the presence of anomalous zones indicative of sulphide mineralisation. The more intensive anomalies are, however, believed to be due to pyritic shales. Geochemical anomalies within the...

Further Investigation of the deposit by diamond drilling and laboratory testing of samples is described. A reinterpreted structural setting was confirmed by the drilling programme. Reserves are less than those previously stated, and abrasion values of...

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A programme of stratigraphic section measurement is envisaged in order to facilitate rock correlation and help outline the pattern of sedimentation in the Adelaide Geosyncline. In many areas measurement may be made on air photo enlargement, as has...

An essentially unmetamorphosed sequence of Upper Proterozoic Adelaide System rocks has been folded into a parallel series of north and north-east trending folds on the ORROROO mapsheet area. Rocks of the Adelaide System are up to 50,000 ft thick, and...

Unworked mine reveals copper of limited extent laterally occurring as minor narrow veins and impregnations of malachite and azurite in interbedded quartzite and pebbly siltstone. Copper carbonates may have formed from sparsely dispersed sulphides in...

Despite the palaeoecological emphasis of most recent stromatolite research outside the USSR, controversy still exists regarding the environmental restriction of these organosedimentary structures and in some cases, analogies with modern occurrences...

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Two hundred and seventy four soil samples were taken at Chalk Cliffs, 30 km (18 miles) east of Burra where quartz veins and siltstones of the Umberatana group crop out through a thin veneer of alluvium.

Oxidized copper minerals and molybdenite occur in quartz veins cutting sericitized granodiorite 2 miles (3km) east of Bendigo Homestead. Coincident copper soil and I.P. anomalies were tested by drilling. A zone of probable secondary copper,...

The COPLEY 1:250 000 map area includes the northern Flinders Ranges and the southern part of the Willouran Ranges. It is bounded to the west by the Lake Torrens Sunkland and, to the east, by the Lake Frome Plains. A thick sequence of older Precambrian...

Brief geological information is given for points to be visited over eight days as illustration of the Adelaide System in South Australia, with an emphasis on Adelaidean glacigene rocks. The Callanna Beds are seen in the Arkaroola region, the Aldgate...

Stromatolites afford a means of stratigraphic subdivision and correlation in Precambrian sequences which, contain few or no other fossils. Detailed field and laboratory studies are necessary in order to classify stromatolites. Determination of the...

Adelaidean and younger rocks of the Yunta, Winnininnie, Oakvale, Mutooroo, Ballara, Wadnaminga, Olary and Manunda one mile areas are summarised.