Latest Copper mining and refining News

Mining company makes copper discovery south of Tucson

Apr. 01, 2021 11:28 AM EDT

TUCSON, Ariz. (AP) — A Canadian-based mining company said it has found significant copper deposits on the western part of the Santa Rita Mountains, potentially warranting open pit mining near residents south of Tucson. Hudbay Minerals Inc. said Wednesday that drilling...

Utah tellurium mine creates new US supply of key mineral

Mar. 27, 2021 12:48 PM EDT

SALT LAKE CITY, Utah (AP) — It is eight times rarer than gold, in high demand for its use in photovoltaic solar cells and will soon be recovered in Utah at Rio Tinto’s Kennecott mine as a byproduct of copper smelting. Tellurium is one of the least common elements on...

Regulators suspend PolyMet's wetlands permit for mine

Mar. 20, 2021 11:36 AM EDT

MINNEAPOLIS (AP) — A federal regulator has suspended the PolyMet Mining Corp.'s permit to dredge more than 900 acres of wetland for Minnesota's first copper mine. The ruling is a victory for the Fond du Lac Band of Lake Superior Chippewa which attempted to protect...

Grijalva announces bill to reverse land swap for copper mine

Mar. 18, 2021 13:18 PM EDT

SUPERIOR, Ariz. (AP) — U.S. Rep. Raul Grijalva has introduced a bill to keep the U.S. Forest Service from turning over land in Arizona for a massive copper mine. The parcel of land in the Tonto National Forest east of Phoenix was set to be transferred to Resolution...

Nevada Lawsuit cites EPA, state concerns about lithium mine

Mar. 05, 2021 14:31 PM EST

RENO, Nev. (AP) — Another federal lawsuit challenging the construction of a huge Nevada lithium mine approved in the final days of the Trump administration says the U.S. Environmental Protection Agency and state wildlife officials repeatedly warned the plans don’t comply with laws...

USDA puts brakes on land transfer for Arizona copper mine

Mar. 01, 2021 18:12 PM EST

FLAGSTAFF, Ariz. (AP) — The Biden administration is pulling back an environmental review that had cleared the way for a parcel of federal land held sacred by Apaches to be turned over for a massive copper mine in eastern Arizona. The U.S. Department of Agriculture said...

Minnesota Supreme Court hands victory to PolyMet copper mine

Feb. 24, 2021 14:16 PM EST

MINNEAPOLIS (AP) — The Minnesota Supreme Court on Wednesday reversed an appeals court's rejection of a critical air emissions permit for the planned PolyMet copper-nickel mine and sent the case back for further proceedings. The Supreme Court ruled that the Minnesota...

Montana high court upholds permit for proposed silver mine

Feb. 18, 2021 10:33 AM EST

BILLINGS, Mont. (AP) — Montana officials conducted an appropriate review before granting a water permit for a proposed silver and copper mine that would run beneath a wilderness area near the Idaho border, the Montana Supreme Court ruled Wednesday. The 5-2 ruling...

Court rules against Apaches in bid to halt proposed mine

Feb. 13, 2021 00:59 AM EST

FLAGSTAFF, Ariz. (AP) — A federal judge has rejected a request from a group of Apaches to keep the U.S. Forest Service from transferring a parcel of land to a copper mining company. Apache Stronghold made the request as part of a lawsuit it filed against the Forest...

Editorial Roundup: Minnesota

Feb. 10, 2021 10:03 AM EST

Minneapolis Star Tribune. February 5, 2021. Editorial: Fully fund police plan for upcoming Chauvin trial DFLers, Republicans need to reach a compromise that helps prevent a repeat of 2020 riots. Former Minneapolis Police Officer...