The Groote Eylandt Mining Company, known by its acronym GEMCO, is an Australian company that was commissioned to mine high grade
manganese ore
Manganese is a chemical element with the symbol Mn and atomic number 25. It is a hard, brittle, silvery metal, often found in minerals in combination with iron. Manganese is a transition metal with a multifaceted array of industrial alloy use ...
.
GEMCO is majority owned by
South32
South32 is a mining and metals company headquartered in Perth, Western Australia. It was spun out of BHP Billiton on 18 May 2015. It is listed on the Australian Securities Exchange with secondary listings on the Johannesburg and London Stock ...
. It runs its operation on 84 square kilometres of the
Arnhem Land Aboriginal Reserve, which is part of
Groote Eylandt
Groote Eylandt ( Anindilyakwa: ''Ayangkidarrba'' meaning "island" ) is the largest island in the Gulf of Carpentaria and the fourth largest island in Australia. It was named by the explorer Abel Tasman in 1644 and is Dutch for "Large Island" i ...
, a 2,326 square kilometre island in the
Gulf of Carpentaria that has a population of 1539. The company is one of three manganese ore mining companies in Australia.
[ GEMCO uses a mining extraction method called open cut strip mining.]Tasmanian Electro Metallurgical Company
)
, nickname =
, image_map = Tasmania in Australia.svg
, map_caption = Location of Tasmania in AustraliaCoordinates:
, subdivision_type = Country
, subdi ...
(TEMCO). TEMCO, established in 1965, is Australia's only ferroalloy smelter site, situated at Bell Bay, Tasmania
Bell Bay is an industrial centre and port located on the eastern shore of the Tamar River, in northern Tasmania, Australia. It lies just south of George Town. In the year ended June 2021, 3.6 million tonnes of exports and imports passed through ...
, north of Launceston at the other end of the continent.[http://mineralprices.com]
References
{{reflist
Mining companies of Australia