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The Rosemont Copper property is located in Pima County, approximately 30 miles (48 km) southeast of Tucson. It straddles two historic mining districts: the Rosemont Mining District and the adjacent Helvetia Mining District. [7] [8] Copper became the focus of mining in the Santa Cruz Valley and elsewhere in Southern Arizona beginning in the late ...
In 2010, Rosemont was owned by Augusta Resources. Augusta hoped to put the Rosemont into production as early as 2011. The Rosemont Copper plan was to create a 21st-century mine in Southern Arizona. Rosemont's plan set new higher standards for environmental protection by using new technologies for water conservation and tailings storage.
Adobe walls at junction, old house now owned by Rosemont Mine. Soon to be destroyed by pit mine. Rosemont Mine: Ruby: Montana Camp Santa Cruz: 1870s: 1941: Historic site: 25 buildings under roof, including the old jail and houses, the old school, the playground, old mine machinery, buildings and mine workings. Ruby is entirely on private ...
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Native American opposition to Rio Tinto and BHP's Resolution Copper mine could prove crucial for the 2024 U.S. presidential vote in the battleground state of Arizona, underscoring the high tension ...
President Trump's outgoing administration is set to approve a deal that would give Rio Tinto Ltd and partners more than 2,400 acres to build an Arizona copper mine, even though the project would ...
A large porphyry copper deposit has been identified near the old Helvetia mining district on the north flank of the range. The proposed Rosemont Copper mine would be an open pit operation located in the Santa Ritas about 2 miles (3 km) west of mile marker 44 on Arizona State Route 83.
Arizona is known as the Copper State because it produces two-thirds of US copper annually. Laramide copper porphyry deposits are common around Tucson and include the Twin Buttes, Sierrita-Esperanza, Rosemont, Silver Bell and Mission-Pima mines, as well as the historical Ajo mine to the west.