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Challenger mine, Mobella Station, Central North, South Australia, Australia

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Latitude & Longitude (WGS84): 29° 52' 41'' South , 133° 35' 16'' East
Latitude & Longitude (decimal): -29.8780555556, 133.587777778

Gold mine, operating since 2002. Owned by Dominion Mining Ltd.

Located at Mobella Station, 740 km north of Adelaide, on the northwestern margin of the Gawler Craton, 165 km west of the Stuart Highway.

The lode systems are contained within a feldspar–quartz–cordierite–garnet–biotite gneiss.
Metamorphism to 800°C is believed to have melted and remobilised gold in this deposit, resulting in a low Ag content of the gold (only 2%) (Tomkins and Mavrogenes, 2002; see also Elements 5 (2009) p. 298).

Note on the mineral list: unspecified bismuth minerals and tellurides are also mentioned in the PIRSA PDF.

Mineral List

17 valid minerals.

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

0 - 66 Ma
silcrete 42026

Age: Cenozoic (0 - 66 Ma)

Description: Silcrete, silicified gravel, siliceous duricrust, siliceous breccia; opaline silica, jasperoidal chalcedony, local chrysoprase caprock over ultramafic rock

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 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.


Lintern, M. J., & Sheard, M. J. (1999). Regolith studies related to the Challenger gold deposit, Gawler Craton, South Australia. CRC LEME.

Tomkins, A.G. and Mavrogenes, J. (2002): Mobilisation of gold as a polymetallic melt during pelite anatexis at the Challenger deposit, South Australia: a metamorphosed Archaean gold deposit. Economic Geology 97, 1249-1271.

Tomkins, A.G., Dunlap, W.J. & Mavrogenes, J. (2004): Geochronological constraints on the polymetamorphic evolution of the granulite-hosted Challenger gold deposit: implications for assembly of the northwest Gawler Craton. Australian Journal of Earth Sciences, 51, 1-14.

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