Hints and tips:
...The copper issues relate to a conveyor belt outage at its Kennecott mine in Utah and “geotechnical challenges” at its joint venture Chilean mine Escondida, which is the largest copper mine in the world....
...Its Kennecott copper mine in Utah produces 150,000 tonnes a year....
...The Kennecott Copper Corporation had not responded to the request by the time of Smithson’s death....
...Mr Jacques said the “dream” would be finding a way to extract copper economically from tailings at its Kennecott mine in Utah. “We are working on it.”...
...By the 1990s it was scooping up smaller rivals in Idaho and Utah and in the internet era it started to think bigger....
...Its visitor centre closed in 2013 following a landslide, but the owners do offer a virtual tour online (see kennecott.com)....
...In the early 1970s, under President Salvador Allende, the country’s copper mines were nationalised, with US companies such as Kennecott, Anaconda and Cerro denounced for seeking quick profits....
...Not only has Rio Tinto cut production forecasts for its Kennecott mine in Utah but BHP Billiton has also cut guidance for the Escondida in Chile while Glencore has cut output estimates for Minera Alumbrera...
...Rio Tinto also said last week its production of the red metal would drop to 500,000-535,000 tonnes next year, from 615,000 tonnes, mainly because of rehabilitation work at its Kennecott operation in Utah...
...In its quarterly production statement on Wednesday, Rio raised its copper production guidance for 2014 due to a ramp-up at its Oyu Tolgoi mine in Mongolia and improved recoveries its Kennecott Utah operation...
...Rio said it had higher grades and recovery rates from Kennecott Utah Copper, its mine in the US, while its Oyu Tolgoi mine in Mongolia was continuing to ramp up....
...Rio said it benefited from recovery of pit operations at its Kennecott mine in Utah, which had suffered a landslide, and the ramp up of production at the Oyu Tolgoi mine in Mongolia to full capacity....
...The output stoppage at Grasberg follows a landslide at Kennecott Utah Copper’s Bingham Canyon Mine last month, and the recent shutdown of India’s two top copper smelters....
...Andrew Harding, previously head of Kennecott Utah Copper, will run Rio Tinto Copper, and former iron and titanium executive Harry Kenyon-Slaney becomes chief executive of Rio Tinto Diamonds....
...Surprisingly, third-quarter production at Rio Tinto's Kennecott Utah Copper mine declined 21 per cent compared with the previous quarter....
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