Английская Википедия:Ernest Henry mine
Шаблон:Use dmy dates Шаблон:Infobox mine The Ernest Henry mine is a large copper mine located in eastern Australia, 38 kilometres north of Cloncurry[1] in the state of Queensland. Ernest Henry represents one of the largest copper reserves in Australia and in the world having estimated reserves of 167 million tonnes of ore grading 1.1% copper and 2.67 million oz of gold.[2] Silver is also produced at the mine.[3] The mine produced 64,000 tonnes of copper and 92,000 ounces of gold in the financial year to 2021.[1]
History
Commercial operations at the site began as an open-cut mine in 1998.[3] Plans to transition to underground mining were announced in 2009.[3] In June 2023, the mine announced that operations would continue till at least 2040.[4]
In March 2023, the mine closed for six weeks after flood water entered the site.[5]
Operations
Ernest Henry is an underground mining operation.[3] A 1,000 metre hoisting shaft brings ore to the surface.[3] Traditional grinding and flotation methods in the concentrator is used to extract copper and gold. Concentrate is treated at Glencore’s Mount Isa Mines smelter and metal is refined at Glencore’s Townsville refinery.[3]
See also
References
- Английская Википедия
- Copper mines in Queensland
- Gold mines in Queensland
- Underground mines in Australia
- Shire of Cloncurry
- 1998 establishments in Australia
- Silver mines in Australia
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