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Elverdton-Mt Desmond Copper Mines, Ravensthorpe Shire, Western Australia, Australia

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Latitude & Longitude (WGS84): 33° 37' 30'' South , 120° 8' 51'' East
Latitude & Longitude (decimal): -33.62517,120.14761
GeoHash:G#: qdj2wn8z4
Locality type:Group of Mines
Köppen climate type:Csb : Warm-summer Mediterranean climate


Located 12 kilometres south of Ravensthorpe. The Elverdton Mine poppet head and creamy green mullock pile can be seen east of the Ravensthorpe-Hopetoun Road. The Elverdton Mine sits at the southern end of the deposit, with a series of shallow pits following the vein north-east for about 500 metres. A gravel road to a scenic lookout intersects the vein halfway, and the diggings north of the road are considered the Mt Desmond Mine, and south of the road Elverdton.

Surface mining started here around 1900. The Elverdton Mine was operating between 1956-1972. A small potash operation for farm fertilizer continues, but beyond this mining ceased in 1972. There is much rubbish around the mine, and the mullock heap is busily eroding into a nearby stream. Azurite and malachite is common in the Mt Desmond section, while malachite only is common in the Elverdton section.

The mine occupies a north to north north-west trending, east dipping shear zone. This contains biotite granodiorite, plagioclase-hornblende-chlorite-quartz, metadolerite, metabasalt, quartz-plagioclase-biotite-chlorite-hornblende schist. Primary ore pyrrhotite, chalcopyrite, magnetite, rare ilmenite in quartz and trace galena. The oxidised zone is down to 26.5 metres contains malachite, azurite, covellite (and rare un-named silver-bismuth-tellurides (?) Marston 1979). This mineralised zone is 2-18 metres wide as irregular shoots in minor faults.


Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


17 valid minerals.

Rock Types Recorded

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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 Macrostrat.org

Archean
2500 - 4000 Ma



ID: 704511
Manyutup Tonalite

Age: Archean (2500 - 4000 Ma)

Stratigraphic Name: Manyutup Tonalite

Description: Metamorphosed tonalite and quartz diorite

Comments: igneous felsic intrusive; igneous intermediate intrusive; synthesis of multiple published descriptions

Lithology: Igneous felsic intrusive; igneous intermediate intrusive

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]

Neoarchean - Mesoarchean
2500 - 3200 Ma



ID: 3189638
Archean crystalline metamorphic rocks

Age: Archean (2500 - 3200 Ma)

Comments: Yilgarn Craton

Lithology: Amphibolite/granulite grade orthogneiss

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

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



This page contains all mineral locality references listed on mindat.org. 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 mindat.org 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.

References

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Marston, R.J. (1979) Copper Mineralization in Western Australia. Mineral Resources Bulletin 13, Geological Survey of Western Australia, 208p. 

 
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