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Copper

Mine Tales: Operations at Silver Bell likely to continue for years

Mine Tales: Operations at Silver Bell likely to continue for years

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.

April 07, 2014 12:00 am Photos

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Ring's Reflections: Copper remains a huge economic factor in Arizona

Ring's Reflections: Copper remains a huge economic factor in Arizona

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 …

April 03, 2014 12:00 amLoading…

Hudbay extends hostile bid for Rosemont developer

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.

March 31, 2014 2:30 pmLoading…
Ring's Reflections: Five C's are integral to Arizona's history

Ring's Reflections: Five C's are integral to Arizona's history

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.

March 27, 2014 12:00 am Photos

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Ned Norris Jr. and Peter Yucupicio: Rosemont Mine plan is just horrible on so many levels

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.

February 16, 2014 12:00 amLoading…

White House now tracking Rosemont Mine progress

The White House is informally involved in the contentious Rosemont Mine issue, Coronado Forest Supervisor Jim Upchurch said today.

December 16, 2013 2:37 pm Related Loading…
Latest Rosemont Mine report is out

Latest Rosemont Mine report is out

The final version of the Rosemont mine environmental impact statement is now online.

November 29, 2013 12:43 pmLoading…
Mine Tales: High copper prices drove demand at Ajo mining district

Mine Tales: High copper prices drove demand at Ajo mining district

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

November 25, 2013 12:00 am Photos

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Do I Have to Fill My Empty Pool With Sand?

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…

September 08, 2013 12:00 amLoading…

Rosemont ruling may miss Sept. deadline

Coronado National Forest Supervisor Jim Upchurch is walking a scheduling tightrope for the proposed Rosemont Mine.

July 28, 2013 12:00 amLoading…

Freeport looks to cut debt as profit declines

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.

July 24, 2013 12:00 amLoading…
Tucson tech: Tucson's Mintec the only Arizona firm to land President's E-Award for Exports

Tucson tech: Tucson's Mintec the only Arizona firm to land President's E-Award for Exports

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.

June 04, 2013 12:00 amLoading…
Tucson tech: Tucson's Mintec the only Arizona firm to land President's E-Award for Exports

Tucson tech: Tucson's Mintec the only Arizona firm to land President's E-Award for Exports

president of Mintec Inc., which won a President's E-Award for Exports.

June 04, 2013 12:00 amLoading…
Tucson tech: Tucson's Mintec the only Arizona firm to land President's E-Award for Exports

Tucson tech: Tucson's Mintec the only Arizona firm to land 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.

June 04, 2013 12:00 am Photos

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Horne: 18 in copper theft ring indicted

Horne: 18 in copper theft ring indicted

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.

May 01, 2013 12:00 amLoading…
Horne: 18 in copper theft ring indicted

Horne: 18 in copper theft ring indicted

Eighteen people are facing charges in a multimillion-dollar copper theft ring involving Asarco employees, state law-enforcement officials said Tuesday.

May 01, 2013 12:00 am
Arizona Asarco employees implicated in copper theft ring

Arizona Asarco employees implicated in copper theft ring

Eighteen people are charged in a multi-million dollar copper theft ring involving Asarco employees.

April 30, 2013 12:07 pm Related

Tucson recycling firm's properties searched in copper theft probe

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.

April 17, 2013 1:49 pm

Thieves take record amount of copper from Utah highway

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.

April 02, 2013 9:12 pmLoading…
China is expected to need a record amount of copper

China is expected to need a record amount of copper

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.

February 27, 2013 12:00 amLoading…

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