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Minbrie. Progress reports for the period 28/6/1973 to 27/6/1975.
Reports describe the ongoing field prospecting and downstream jade marketing activities associated with the Cowell nephrite jade discovery. Black nephrite blocky material extracted from the operating company's new mining leases (MLs 4130-4132) was...-
Document
Published: 09 Aug 1975
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RB 80/00139 Tumby Bay marble EML 3554. T.W. Norton, sections 288, 299, Hundred Hutchison, County Flinders.
EML 3554, 9 km NW of Tumby Bay, contains 3 separate marble outcrops, each 40 metres wide, of similar mineralogy, which are isoclinally-folded Katunga Dolomite of the Hutchison Group of Lower Proterozoic age. The marble quarries where mapped, surveyed...-
Document
Published: 12 Nov 1980
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RB 80/00131 Tumby Bay marble quarry, County Flinders.
An abandoned quarry, 9 km NW of Tumby Bay, was mapped and surveyed. It is sited on the equivalent of the Katunga Domomite, part of the Hutchison Group of Middle Proterozoic age. The marble was isoclinally folded and metamorphosed to granulite...-
Document
Published: 01 Jan 1980
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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...-
Document
Published: 01 Jan 1992
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RB 89/00074 Industrial and non metallic minerals - Operations in South Australia.
This data package discusses mining and processing operations of the major non metallic and industrial mineral commodities in South Australia and is of interest to those in the industry and to manufacturers and suppliers of a range of machinery and...-
Document
Published: 01 May 1989
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A gemmological assessment of the nephrite jade deposits near Cowell, South Australia.
Nephrite jade is associated with Lower Proterozoic dolomitic marbles and calc-silicate rocks as part of a sequence of metasedimentary quartzo-feldspathic gneisses, quartzites and mica schists of amphibolite metamorphic facies. These rocks normally...-
Document
Published: 08 Dec 1980
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Cowell nephrite deposit. Consultant's geological appraisal reports (including a progress report about detailed mapping of nephrite pods on Schiller's leases), compiled over the period June to November 1970.
A mining consultant was engaged by mineral claim option holder Murumba Minerals to assess the commercial potential of a rare (for Australia) grouping of lens style nephrite deposits located about 20 km north of Cowell, which had only been mined on a...-
Document
Published: 11 Nov 1970
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Mungerowie. Progress and final reports for the period 8/11/82 to 7/11/86.
Exploration for base metals associated with iron formations, and also for deposits of graphite or uranium, over the southern part of Eyre Peninsula west and north-west of Port Lincoln, included compilation of a Tertiary isopach and basement geology...-
Document
Published: 05 Nov 1986
