The San Manuel Copper Mine was a surface and underground porphyry copper mine located in San Manuel, Pinal County, Arizona. Frank Schultz was the original discoverer, in 1879, but the main body of the deposits were discovered by Henry W. Nichols in 1942.

BHP Billiton Base Metals recently announced the immediate closure of its in situ copper leaching operations at San Manuel, Arizona, as part of its international copper resource management strategy. The closure of these operations will result in a production cut of 9 000 tons per annum of copper cathode.

5 天之前 · San Manuel Mine was once the world’s largest underground copper mining operation in size of ore body, production capacity and infrastructure. It is located in the Old Hat mining...

2021年10月18日 · San Manuel was once the largest underground copper mine in North America. Magma Copper began commercial underground mining in San Manuel in 1956, after sinking two 2,950-foot shafts...

3 天之前 · Located in the Lower San Pedro River Basin 40 miles northeast of Tucson and a mile south of the Mammoth-St. Anthony Mine, the San Manuel area enticed 1880s prospectors attracted to the...

Magma Copper Company operates the San Manuel mine, mill, and smelter facilities located north of Tucson, Arizona, in Pinal County. The facility encompasses approximately 12,000 acres of patented land with operations that extract, beneficiate, and process both sulfide and oxide ore to recover copper and molybdenum (See Figure

Pinal577A is located in T8S R16E Sec 34 NE in the Mammoth - 7.5 Min quad. This collection consists of various reports, maps, records and related materials acquired by the Arizona Department of Mines and Mineral Resources regarding mining properties in Arizona.

Mineralization is a porphyry copper deposit hosted in the Ruin (Oracle) Granite and Gila Conglomerate. The San Manuel ore body is tabular with a strike of N61E & N55E, dipping 50S & 15S, 300 meters thick, plunging 10NE; at the east end of the mine - NE, depth-to-top of 520 meters, width of 1160 meters, and 2400 meters long.

Working underground at the San Manuel porphyry copper mine located near San Manuel, Pinal County, Arizona. The mine was in full operation from about 1954 till the mine and smelter closed in 2003. Magma Copper operated the mine before selling it to BHP Billiton.

potential of mining the shallower, oxide copper ores located in the caved zone above the San Manuel underground mining operations by open pit mining methods. Magma Copper initiated this $70 million project in February 1985. Over the ten year life of this