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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...-
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Published: 09 Aug 1975
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RB 84/00011 Nephrite jade deposits near Cowell. A review of mineral tenure and production to December, 1982.
Compilation of Departmental and company records on tenure and production.-
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Published: 01 Dec 1983
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RB 84/00091 Nephrite jade near Cowell, South Australia.
Nephrite jade was formed in complex composite gneiss terrain by reaction of migrating silica with dolomitic marble at or near base of Hutchison Group during late stage folding of Kimban Orogeny. The larger of 112 known outcrops is conformable with...-
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Published: 01 Nov 1984
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RB 85/00020 Genesis of jade and host rocks in DDH14 at outcrop 15 Cowell Jade Province, South Australia.
The jade is produced by series of episodes of recrystallization and replacement during the retrograde metamorphism of prograde amphibolite facies assemblages in impure carbonate sediments. The quality is partly controlled by the original sediment...-
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Published: 01 Apr 1985
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RB 81/00114 Structural and metamorphic controls on the origin of nephrite jade near Cowell, SA.
1 of the worlds principal nephrite jade deposits was formed during a late phase tectonic event, involving cross-warping and fracturing of high grade metamorphic complex.-
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Published: 01 Nov 1981
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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...-
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Published: 01 Jan 1992
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RB 89/00004 Cowell Jade - Talk presented at International Symposium on Geochemistry and Mineralization of Proterozoic Mobile Belts, Tianjin, China, September, 1988.
The talk Cowell jade : a Middle Proterozoic, marble-hosted, nephrite jade deposit gives a brief overview of previous compilations (quality, production, reserves, history, geology, structure, metamorphism, metasomatism and mechanism of nephrite...-
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Published: 01 Oct 1988
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RB 90/00007 Industrial minerals in South Australia. Current operations and future trends.
Established producers have taken advantage of export opportunities for gypsum, salt and dolomite. New developments include a graphite processing plant at the former Uley Graphite Mine and trial mining of micaceous iron oxide for pigments. Proposals...-
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Published: 01 Jan 1990
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RB 88/00054 Cowell Jade - A middle Proterozoic, marble-hosted, nephrite jade deposit.
Brief review of the deposit is presented, including regional geology, ore deposit features, production, history, quality, value, reserves and mining methods. It is the largest known high quality nephrite jade deposit in the world.-
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Published: 01 Jul 1988
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Cowell nephrite deposit. Technical appraisal reports submitted during the period 1970 to 1988.
A consultant geologist's reports prepared in 1970 for by mining lease optionholder Murumba Minerals NL describe his detailed mapping of the then known jade (nephrite) deposits within the Cowell Jade Province. Two potentially mineable deposits were...-
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Published: 08 Dec 1980
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Cowell Jade Province: rock sample petrographic descriptions.
A collection of Amdel petrographic reports providing raw data for a petrogenetic study of Cowell area jade specimens and related host rocks carried out by SADME, aimed at determining geological controls on the distribution of high quality nephrite...-
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Published: 01 Jan 1990
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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...-
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Published: 08 Dec 1980
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RB 2007/00022 [South Australian earth] resources production [statistics] for the 6 month [period] ended [30] June 2007.
This report presents detailed industry-derived statistics on the State's output and sales values of earth resource commodities realised during the six month period ended 30 June 2007, and compares the data with that returned for the previous six...-
Document
Published: 01 Nov 2007
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RB 2012/00011 South Australian mineral resources production statistics for the six month [period] ended 31st December 2011.
There is no abstract created for this record-
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Published: 01 May 2012
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RB 2010/00009 [South Australian mineral] resources production statistics for the 6 month [period] ended 31 December 2009.
This report presents detailed industry-derived statistics on the State's output and sales values of earth resource commodities realised during the six month period ended 31 December 2009, and compares the data with that returned for the previous six...-
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Published: 07 May 2010
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RB 2000/00047 [South Australian earth] resources production statistics for [the half-yearly] period ended 30 June 2000.
This report presents a detailed statistical record of the State's output and sales values for petroleum, minerals and materials during the six monthly period ended 30 June 2000. The first part of the report details the production sales figures for...-
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Published: 01 Nov 2000
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RB 2009/00021 [South Australian] mineral resources production statistics for the 6 month [period] ended 30 June 2009.
This report presents detailed industry-derived statistics on the State's output and sales values of earth resource commodities realised during the six month period ended 30 June 2009, and compares the data with that returned for the previous six...-
Document
Published: 03 Nov 2009
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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...-
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Published: 11 Nov 1970
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HandBk 004 - Some Semi-Precious and Ornamental Stones of South Australia. Barnes, L.C., et al. 1980 Australia. (reprinted version)
This handbook is a selection of shortened reports by geologists of the South Australian Department of Mines and Energy dealing with some of the semiprecious and ornamental stones in this State. It is not intended to be a comprehensive review of these...-
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RB 2011/00008 South Australian mineral resource[s] production statistics for the six month [period] ended 31st December 2010.
This report presents detailed industry-derived statistics on the State's output and sales values of earth resource commodities realised during the six month period ended 31 December 2010, and compares the data with that returned for the previous six...-
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Published: 20 May 2011
