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Porphyry copper deposits represent an important resource and the dominant source of copper that is mined today to satisfy global demand. [6] Via compilation of geological data, it has been found that the majority of porphyry deposits are Phanerozoic in age and were emplaced at depths of approximately 1 to 6 kilometres with vertical thicknesses on average of 2 kilometres. [6]
Gold-copper ore, concentrated and leached 16 (2018) [6] 16 Lisbon Valley San Juan County, Utah: Lisbon Valley Mining Company Copper ore, open pit, heap leached 10–15 (2018) [9] 17 Miami: Gila County, Arizona: Freeport-McMoRan: Copper ore, leached 5 (2021) [2] 18 Carlota Gila County, Arizona: KGHM Polska Miedź: Porphyry copper open pit ...
A Native American showed mineralization to prospectors in 1867, and the district started in a small way as a lode gold producer. A railroad link in 1906 made it economically possible to start large scale open pit mining of the large porphyry copper deposits, and the first copper was produced in 1908.
Olympic Dam copper-uranium-gold deposit has one of the largest copper deposits in Australia. It is owned by BHP Group Limited (NYSE: BHP). In FY2022, the mine produced 138.4 kilotonnes of copper ...
Los Azules is a large copper deposit located in the north-west of Argentina, in the San Juan Province.Los Azules represents one of the largest copper deposits in Argentina and in the world, with 0.96 billion tonnes of ore grading 0.48% copper for 10.2 billion copper pounds of indicated resource and 2.67 billion tonnes of ore grading 0.33% copper for 19.3 billion copper pounds of inferred resource.
As of 2010, Kennecott Utah Copper was the second largest copper producer in the US, and provided about 13-18% percent of the U.S.'s copper needs. [ 32 ] [ 33 ] It is one of the top producing copper mines in the world, with production at more than 18.7 million short tons (16.7 million long tons; 17.0 Mt).
This list of copper mines includes operating, ... Kakanda deposit; Kalakundi MIne; Kalumbwe Myunga Mine; Kalumines; Kamatanda; Kamfundwa mine; Kamoa-Kakuila mine ...
In this article, we discuss the 15 biggest copper companies in the world. To skip the industry analysis, you can go directly to the 5 Biggest Copper Companies in the World. Copper is the third ...