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CSA Mine (Old CSA mine; Tinto mine; QTS prospect), Cobar, Robinson Co., New South Wales, Australia

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Latitude & Longitude (WGS84): 31° 24' 29'' South , 145° 47' 56'' East
Latitude & Longitude (decimal): -31.40820,145.79893

CSA Mine is located near Cobar, Central Western NSW. It is operated by Cobar Management Pty Ltd (CMPL) – owned by Glencore Xstrata.

The mine initially started in 1871 with an erratic production history until 1964, when Broken Hill South Ltd began large scale production. The mine passed to CRA in 1980 and then to Golden Shamrock Mines in 1992. The mine was closed in 1997/8 following its acquisition by Ashanti Goldfields and was reopened in 1999 by Glencore.

Since 1965 the mine has extracted substantial quantities of zinc, lead, silver and copper, but today, CSA Mine focuses on mining copper, with a silver co-product.

The underground mine produces over 1.1 million tonnes of copper ore and in excess of 185,000 tonnes of copper concentrate per annum.

Map sheet: Cobar 1:250 000 Metallogenic Map; SH 55-14, 8035 II S.
Coordinates: 385800mE, 6524200mN. Located in the parish of Kaloogleguy.
Multiple vein, stratabound discordant, lenticular massive.

Mineral List

40 valid minerals.

Rock Types Recorded

Note: this is a very new system on and data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on

0 - 2.588 Ma
colluvium 38491

Age: Pleistocene (0 - 2.588 Ma)

Description: Colluvium and/or residual deposits, sheetwash, talus, scree; boulder, gravel, sand; may include minor alluvial or sand plain deposits, local calcrete and reworked laterite

Comments: regolith; synthesis of multiple published descriptions

Lithology: Regolith

Reference: Raymond, O.L., Liu, S., Gallagher, R., Zhang, W., Highet, L.M. Surface Geology of Australia 1:1 million scale dataset 2012 edition. Commonwealth of Australia (Geoscience Australia). [5]

Data and map coding provided by, used under Creative Commons Attribution 4.0 License

This page contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


Chapman, J.R. (2005) A note on some unusual primary minerals from the CSA mine, Cobar. Australian Journal of Mineralogy, 11, 73-74.

Gilligan L.B., Byrnes J.G. (1995) Metallogenic Study and Mineral Deposit Data Sheets: Cobar Metallogenic Map 1:250 000 (SH/55-14), Geological Survey of New South Wales, Sydney, 240pp.

Andrews, E.C. (1913) Report on the Cobar copper and gold field. Part I. Geological Survey of New South Wales, Mineral Resources 17.

Thompson, B.P. (1953) Geology and Ore Occurrence in the Cobar district. In Geology pf Australian Ore Deposits, pp 863-896, 5th Empire Mining and Metallurgical Congress, Australia and New Zealand, Publication 1.

Mulholland, C. St J., and Rayner, E.O. (1961) The gold-copper deposits of Cobar, New South Wales. Central section (Great Cobar to New Occidental), Department of Mines New South Wales, Technical Report 6 (for 1958), pp 23-47.

Gow, N.N. (1965) Part A. The geology of the Mihi-Enmore area, N.S.W. Part B. A study of the mineralization, CSA mine, Cobar, N.S.W. BSc Hons Thesis, University of New England, Armidale, 138pp (unpublished).

Robertson, I.G. (1974) The environmental features and petrogenesis of the mineral zones of Cobar, New South Wales. Ph D thesis, University of New England, Armidale (unpublished).

Brooke, W.J.L. (1975) Cobar mining field. In( Knight, C.L. Ed) Economic Geology of Australia and Papua New Guinea, 1. Metals. Australian Institute of Mining and Metallurgy, Monograph 5, 683-694.

Barton, C.M. (1977) A geotechnical analysis of rock structure and fabric in the CSA mine, Cobar, New South Wales, Commonwealth Scientific and Industrial Research Organisation, Australia, Division of Applied Geomechanics, Technical Paper 24, 30p.

Bouffler, M.P. (1981) Stratigraphic and structural aspects, and their influence on genesis, of the CSA and QTS mineralizations, Cobar, New South Wales. B App Sc project report, New South Wales Institute of Technology, Sydney, 136pp (unpublished).

Marshall, B. (1991) Deformation and recrystallization microstructures in deformed ores from the CSA mine, N.S.W., Australia, Discussion. Journal of Structural Geology 13, 117-118.

Scott, K.M. & Phillips, K.G. (1990) CSA copper-lead-zinc deposit, Cobar. In Hughes F.E. (Ed.) Geology of the Mineral Deposits of Australia and Papua New Guinea, pp. 1337-1343. Australian Institute of Mining and Metallurgy, Monograph 14.

Knight, C.L. Report on drilling test terminated Dec 1957 at CSA, Cobar. Enterprise Exploration Co. Pty. Ltd., Report. NSW Geological Survey report GS1958/098.

Hobbs,J.J. (1981) Examination of samples from CSA mine, Cobar, New South Wales. IV Samples from No.1 shaft after washing. Department of Mineral Resources New South Wales, Report Chemical Laboratory 1981/32, NSW Geological Survey report GS1981/431.

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