The final version of the Rosemont mine environmental impact statement is now online.
Editor’s note: This is the second in a two-part series on the Ajo mining district. To read the first part of this series go online to tinyurl.com/ajomine
Every year, thousands of Arizona residents email Rosie Romero’s website or call his radio show with questions about everything from how to prevent fires in their chimneys to what to do about the tree roots invading their sewer systems. One of his goals is to provide answers that suit the spe…
Coronado National Forest Supervisor Jim Upchurch is walking a scheduling tightrope for the proposed Rosemont Mine.
Phoenix-based Freeport-McMoRan Copper & Gold Inc. is cutting spending by $1.9 billion this year and next and started a process to sell some U.S. energy assets as the world's biggest publicly traded copper miner seeks to reduce its debt.
A 3-D modeling image of an open-pit mine from Minesight mine-management software made by Tucson-based Mintec Inc., which provides a suite of modeling and mine-planning software.
president of Mintec Inc., which won a President's E-Award for Exports.
Technology that helps miners around the globe figure out when and where to dig has helped a Tucson company land national honors.
State Assistant Attorney General Mike Jette discusses the copper thefts. Mine workers are accused of selling the copper to recyclers at a fraction of the price. The recyclers would then resell it to Chinese importers, investigators say.
Eighteen people are facing charges in a multimillion-dollar copper theft ring involving Asarco employees, state law-enforcement officials said Tuesday.
Eighteen people are charged in a multi-million dollar copper theft ring involving Asarco employees.
Search warrants were served Tuesday on a Tucson recycling company with three locations in Southern Arizona as part of an investigation into large-scale copper theft.
SALT LAKE CITY — The biggest copper heist in Utah memory has stripped more than six miles of wire from a stretch of Salt Lake City highway.
A worker moves piles of copper tubes at a factory in Zhuji, in east China's Zhejiang province. China's demand for copper is projected to boost global demand and raise prices by 15 percent.
China, primed by government spending to boost growth, will need enough copper every month to circle the globe more than 100 times.
PHOENIX - Freeport-McMoRan Copper & Gold Inc. said Tuesday that fourth-quarter profit rose 16 percent on a combination of rising sales and lower copper-production costs, and the mining company's stock rose.
NEW YORK — Phoenix-based mining company Freeport-McMoRan is buying a pair of oil and gas producers for $9 billion, creating a natural resources conglomerate with assets ranging from oil rigs in the Gulf of Mexico to a huge copper mine in Indonesia.
Two San Manuel men were arrested after Pinal County sheriff’s deputies say they found them in hand-dug tunnel they used to access an abandoned mine shaft so they could steal copper from the BHP Mine.
Mining giant Freeport McMoRan Copper & Gold Inc. plans to transfer about 100 employees from Safford to a newly acquired facility in Tucson.
Higher costs and profits than previously forecast are on tap for the proposed Rosemont Mine, says a new feasibility study.