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ASARCO (American Smelting and Refining Company) is a mining, smelting, and refining company based in Tucson, Arizona, which mines and processes primarily copper. The company has been a subsidiary of Grupo México since 1999.
The Ray mine has one of the largest copper reserves in the United States, with proven and probable reserves of 835.7 million tonnes (822,500,000 long tons; 921,200,000 short tons) of ore grading 1.73% copper, as of December 31, 2018. [2] [3] [4] Copper from the Ray mine goes to the Hayden Smelter.
Hayden Smelter is a copper smelter at Hayden, Arizona, owned and operated by ASARCO. It has a 305 meters (1,001 feet) tall chimney, which is the tallest free-standing structure of Arizona . It processes copper from the Ray mine .
In 1986, Asarco purchased the Ray mine in Arizona from Kennecott. [5] In 1987, British Petroleum acquired SOHIO, and Kennecott became part of BP Minerals America. In 1989, Rio Tinto Zinc (RTZ) purchased mining assets from BP. Kennecott Utah Copper Corporation was formed by Rio Tinto in 1989 as a new mining company under the laws of the State of ...
Ray is a ghost town in Pinal County, Arizona, United States; it is mostly known for the large copper mine there. It was named after the nearby Ray mine , which was begun by the Ray Copper Company in 1882, after the sister of one of the miners, whose name was Bullinger.
Chevron Products Company Issues New Case Study Highlighting Performance of Delo® Engine Oil at ASARCO Mine -- Delo 400 Multigrade SAE 15W-40 Delivers 21,900 Hours of Life in MTU 4000 Engine ...
And no U. S. producer can continue operating for very long when its cost of producing a pound of copper approaches or exceeds the price for which it can be sold. Munroe also pointed out that Arizona miners wages had risen at an annual rate of nearly 15 percent during the 1970s, while the average U. S. manufacturing employee had seen only a 10 ...
A litigation over the equity sale of SPCC is ongoing, with Grupo México's $2.5 billion bid for ASARCO recommended for acceptance in 2009. The company is the largest mine operator in Mexico and Peru, and the third largest in the United States. It is the fourth largest copper producer worldwide and controls the largest copper reserves globally.