The site of Morenci was originally settled in the early 1870s under the name "Joy Camp" after copper was discovered at the site. The Morenci Club in 1904. The deposit was rich, but the remote and rugged terrain made early development of the mines difficult and expensive. Raids by hostile Indians added to the complexity of the situation.
Three breccia types, of separate and distinct origins, are herein described as the Morenci, Metcalf and King, and Candelaria Breccias. The Morenci Breccia is an intrusion breccia that has formed along a pre-existing structural feature during the ascent and emplacement of the Older Granite Porphyry stock.
In addition, Phelps Dodge anticipates a 10% cost-of-production savings, between $0.07 and 0.09/pound of copper, as a result of the new processing regime. While Morenci will not be the world's first mine-for-leach operation, at 75,000 t/d (tons per day), it will be the largest by far. Similar operations that preceded Phelps Dodge's entry include ...
AT METCALF; 2.5 MILES NW OF MORENCI. (click for info) Geographic areas. Country State County; United States: Arizona: Greenlee: Public Land Survey System information. Meridian Township ... ARIZONA COPPER CO LTD (1882-1922); METCALF PROPERTY WAS MINED BY UNDERGROUND AND SURFACE CUT OPERATIONS UNTIL 1920; …
18:1. District Rank. Morenci Unified District (4230) School District, which is ranked within the top 50% of all 602 school districts in Arizona (based off of combined math and reading proficiency testing data) for the 2020-2021 school year. The school district's graduation rate of 95% has increased from 90-94% over five school years.
Most of the ore mined by the underground methods after 1921 was sulfide copper ore from the Humboldt Mine and assayed 2% to 4% copper. By 1928 and 56 years of operation, the Morenci district had produced almost two billion pounds of copper. Between 1928 and 1930, Phelps Dodge drilled many test holes in the "Clay" deposits.
Morenci is located in southeastern Arizona and is home to Freeport-McMoRan's copper mining operation, the largest in North America and one of the largest copper mines in the world. The townsite of Morenci is comprised of approximately 1,600 homes as well as a business plaza, healthcare complex, recreational facilities and school district.
Comment (Ownership): Mine Address: Phelps Dodge Corporation Morenci, Az 85540 Corporate Headquarters: Phelps Dodge Corp. 2600 N. Central Ave. Phoenix, Az 85004 Sumitomo Metal Mining Co Purchased 15% Of Morenci-Metcalf Property For $75,000,000 In Early 1986. (Phelps Dodge 1986 Ann Rept, P. 2 & 22.) ... Az 85004 Sumitomo Metal …
Led Zepplin – Stairway to Heaven (1971) MORENCI – The end of the summer break is upon us as Wednesday, July 28, marked the start of classes for the Morenci School District's 2021-22 school year. The forests are the halls of Metcalf Elementary School, Fairbanks Middle School, and Morenci High School, which had …
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