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Resolution Cooper has been planning to create a 1,000-foot-deep, two-mile-wide crater in Superior to build its mine for ...
The Resolution project sits a few miles from Superior in Arizona’s Copper Triangle ... The shaft leading to the mine is surrounded by the reddish rock formations and scrub-covered hills of ...
The San Carlos Apache Tribe has asked a federal judge to delay a land swap that could lead to a copper mine at Oak Flat east ...
Rock and gravel slide down ... of the Arizona Mining Association, applies a different metric in advocating for more Arizona copper: security. “The U.S. should strive for mineral independence ...
To reach ore deposits by surface mining, thousands of acres of waste rock must be removed ... A 2019 review of the West’s 15 operating copper mines (10 in Arizona) revealed that all but one ...
The next year the Planet Copper Co. assumed ... G.M. Butler (1967), “Arizona Lode Gold Mines and Gold Mining.” Explore the Dragoon Mountains and Cochise’s Council Rock on March 4 with ...
Phoenix, Arizona--(Newsfile Corp. - November 14, 2024) - Gunnison Copper Corp. (TSX: GCU ... The equivalent striping ratio based on hard rock waste mining costs is approximately 1.57:1. To ...
Phoenix, Arizona ... Copper Corp. (TSX: GCU) (OTCQB: GCUMF) (FSE: 3XS) ("Gunnison" or the "Company") is pleased to provide a construction update for the fully permitted Johnson Camp Mine ...
Average grades included 2.8 percent copper, 1.2 ounces ... 1986-01-0035, G.M. Colvocoresses mining collection, Arizona Geological Survey. • Dunning, Charles H. Rock to Riches: The Story of ...
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