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Mammoth Mine, Mount Gordon, Gunpowder District, Mount Isa City Shire, Queensland, Australia

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Latitude & Longitude (WGS84): 19° 41' 54'' South , 139° 21' 56'' East
Latitude & Longitude (decimal): -19.69836,139.36572
Köppen climate type:BSh : Hot semi-arid (steppe) climate


Underground copper mine.

Copper oxide mineralisation was first discovered in the district at Mt Oxide in 1882, followed by the discovery of the Mammoth deposit by two Afghan cameleers, the Shah brothers in 1923. They worked the deposit as a small open cut from 1927. Between 1948 and 1969 the deposit was worked as a small-scale underground operation by Italo Foschi, who sank two shafts with three sub-levels. VAM Ltd, Consolidated Goldfields and Adelaide Brighton produced copper in concentrate and copper cathode from the Mammoth deposit between 1969 and 1995. Aberfoyle purchased the operation in 1995 and delineated the Esperanza deposit before being acquired by Western Metals Limited (“Western Metals”) in 1998, which commissioned the ferric leach plant that year to treat Esperanza ores. The Mammoth underground mine was reopened in late 2002.

Aditya Birla Minerals acquired the operations in November 2003 from receivers appointed for Western Metals.


Mineral List


8 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

Paleoproterozoic
1600 - 2500 Ma



ID: 3186492
Paleoproterozoic sedimentary and volcanic rocks

Age: Proterozoic (1600 - 2500 Ma)

Comments: Mount Isa Block

Lithology: Mafic volcanic rocks

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]

Statherian
1600 - 1800 Ma



ID: 705492
Myally Subgroup

Age: Statherian (1600 - 1800 Ma)

Stratigraphic Name: Myally Subgroup

Description: Undivided sandstone, siltstone and quartzite.

Comments: metasedimentary siliciclastic; synthesis of multiple published descriptions

Lithology: Metasedimentary siliciclastic

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



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