Southern Arizona could see major new mines near Mammoth and Patagonia under separate proposals now drawing scrutiny from conservationists and federal regulators.
Henry Brean Southern Arizona could be on the cusp of a mining boom, with two major projects now in the works in mountain ranges east of Tucson.
People are also reading… Faraday touts the site as “one of the largest undeveloped copper resources in North America,” with an estimated yield of 4.2 billion pounds of copper and a net value of $713 million. The company acquired Hermosa in 2018 and began voluntary remediation at the site, about 9 miles southeast of the town of Patagonia, the following year to clean up historic mine waste left by a previous operator.
Both manganese and zinc are designated as critical minerals by the U.S. Geological Survey. President Biden has authorized an increase in domestic mining and processing of manganese and four other strategic minerals under the Defense Production Act to help strengthen the large-capacity-battery supply chain.
Even so, he said Southern Arizona’s two newest mining projects have largely been “flying under the radar” so far, as national environmental groups focus most of their attention on the Rosemont mine expansion in the Santa Rita Mountains south of Tucson and the Resolution Copper project at Oak Flat, east of Superior.
Boom and bustIt’s unclear what sorts of federal reviews and permits the Copper Creek project might require. He said the project would also disrupt a migration corridor for wildlife moving between the Galiuros and the Catalinas by way of the Lower San Pedro Valley.
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