Search results
Results from the WOW.Com Content Network
Henry H. Houston (October 3, 1820 – June 21, 1895) was a leading Philadelphia businessman and philanthropist. He worked in iron and transportation industries and invested in oil and precious metal concerns. He sat on boards of a number of railroad organizations and he was trustee of the University of Pennsylvania and Washington and Lee ...
Metal: Silver (1977); Nevada's nickname is the Silver State: Sandstone (1987) Precious Gemstone: Virgin Valley black fire opal (1987) Semiprecious Gemstone: Nevada turquoise (1987) New Hampshire [48] Beryl (1985) Granite (1985); New Hampshire's nickname is the Granite State: Smoky quartz (1985) New Jersey [49] Franklinite [50] New Mexico [51 ...
Coeur acquired the property in 1983 and restarted mining operations as a surface mine in 1986. Except for a three-year shut down from 2007 to 2010 due to low reserves and metal prices, the mine has operated continuously since re-opening. [9] The Rochester Mine produces ore from a conventional open pit operation, and from surface stockpiles of ...
The company was founded in 1892 and was originally called Eastern Smelting. [1] In 1928, it was purchased by the Garfield family. Still located in Philadelphia, Garfield's headquarters house a facility that separates precious metals from waste material, as well as an on-site assay laboratory. The family-owned and operated refinery services a ...
A trade magazine covering metals industry news has noted that "The closing of the Chemetco Inc. secondary smelter in Hartford, Ill., in 2001 marked the end of large-scale secondary copper smelting in the United States." [30] Brian Taylor, writing for Recycling Today in 2007, [30] goes on to observe how
According to the company's 2018 annual report, the Vancouver-headquartered Teck Resources is a "diversified resource company" that focuses on "steelmaking coal, copper, zinc and energy", [1]: 1 with ownership or interests in thirteen "operating mines, a large metallurgical complex, and several major development projects in the Americas."
Freeport-McMoRan Inc., often called Freeport, is an American mining company based in the Freeport-McMoRan Center, in Phoenix, Arizona.The company is the world's largest producer of molybdenum, a major copper producer and operates the world's largest gold mine, the Grasberg mine in Papua, Indonesia.
Silvercorp Metals Inc. (Silvercorp) is a Canadian-based, China-focused precious metals company engaged in the acquisition, exploration, and development of silver-containing properties. It is China's largest primary silver producer. The company is publicly traded on the Toronto Stock Exchange in Canada and the NYSE in the U.S.