Depressed copper prices in the 1920s and ’30s saw the eventual closure of mining operations in the Silver Bell district. The nearby Sasco smelter had shut down by 1921 and the Sasco townsite was abandoned.
It seems like mining has always been big in Arizona. In 1736 the discovery of silver just below the current border with Mexico drew prospective Spanish miners northward into Southern Arizona. After Arizona became a U.S. territory, gold was found near Yuma in 1858 and in 1863 in the Bradshaw …
Toronto-based Hudbay Minerals Inc. on Monday announced a “final extension,” to May 5, of its offer to acquire Rosemont Mine developer Augusta Resource Corp.
Do you know Arizona’s traditional five C’s? I’m talking about the most important elements of Arizona’s economy during the state’s development from a U.S. territory through statehood and well into the 20th century.
We, the leaders of Tohono O’odham Nation and Pascua Yaqui Tribes representing more than 50,000 Southern Arizonans, are outraged over the Arizona Daily Star’s Jan. 19 editorial endorsing the proposed Rosemont Mine in the Santa Rita Mountains south of Tucson.
The White House is informally involved in the contentious Rosemont Mine issue, Coronado Forest Supervisor Jim Upchurch said today.
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.