Recent gravels at Porter Lagoon and two dolomite beds of Proterozoic age are suggested as potential sources of road metal in the Farrell Flat area. If the dolomite does not break down to suitable size aggregate, the adjacent slates may prove to be...

This report describes eighteen possible new occurrences of road building material and discusses some general aids in locating and evaluating future deposits. The regional geology of portion of the Jamestown Military Sheet is shown on the accompanying...

Sediments in the area mapped in detail belong to the Montacute Dolomite Formation and lower Slate Formation of the Torrensian Series. For the purpose of this report the Lower Slate formation is called the Pinkerton Gully Dolomite formation. Tests...

To aid in the assessment of South Australian limestone and dolomite resources, systematic sampling of outcropping beds has been carried out on nine one mile geological sheets between Cape Jervis and Kulpara. Limestones low in silica and magnesia occur...

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A diamond drilling programme was initiated to ascertain the reserves and grade of dolomite at the Tantanoola Dolomite Deposit. Developing the quarry in a northerly direction would yield 260,000 cubic yards of dolomite. Developing the quarry in a...

Dolomitisation of Tertiary Gambier Limestone along the Nelson Fault is irregular. Diamond drilling of four holes at a prospect on Section 333, Hundred of Caroline, shows that dolomite which is hard and dense at the surface passes down into partially...

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A previously worked dolomitic shale deposit near Yongala was investigated with a view to extending the existing quarry. Geological and topographical surveys, and the completion of one diamond drill hole 58m deep, indicate that the quarry cannot be...

The regional geology along the deviation is described and a programme for testing the proposed cuttings is presented. The presence of potentially useful deposits of rock for ballast near the route is noted and comment is made on the composition of...

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The South Australian Government Department of Mines requested an investigation on refractories which was to take the form of a review of the industry and its requirements. Aspects of particular interest to be studied were listed by the Sponsor as...

In the Bald Hill area, one mile south of Angaston, 1½ million cubic yards of high grade marble (greater than 90% total carbonate) are available for quarrying above the 780 feet level. Reserves of high grade marble in the western area are estimated at...

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Mapping and sampling have confirmed high grade dolomite at the base of the Lower Cambrian Wilkawillina Limestone at Brachina Gorge. The dolomite appears chemically suitable for refractory and other industrial purposes, with an average grade of 54%...

Three relatively deep bores, drilled recently on the northern Adelaide Plains in the Hundred of Port Gawler, about 20 miles north of Adelaide, have intersected useful complementary sections of the Cainozoic succession, ranging from 560 feet to 1148...

Irregular oxidised orebodies up to about 3 feet thick, containing copper carbonates, quartz, sphaerocobaltite (cobalt carbonate) and wad (hydrated manganese oxide), occupy both shear zones aligned parallel with bedding, and crush zones developed...

Since the days of early settlement in South Australia mineral production from Yorke Peninsula has made an important contribution to the wealth of the state. Firstly, with the discovery and mining of copper in the Moonta Wallaroo district early in...

A dark blue-grey dolomite, correlated tentatively with the Beaumont Dolomite, is used by the District Council of Hallett as road-metal because it breaks down during quarrying operations and requires no crushing. Six new localities of the same dolomite...