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Asarco

NLRB adds to allegations against Asarco

NLRB adds to allegations against Asarco

Tucson-based copper producer failed to bargain in good faith, coerced workers, complaint says.

January 12, 2016 6:24 pm Video Loading…
Asarco's unions protest company's tactics

Asarco's unions protest company's tactics

Copper company intends to impose its last offer on workers, Steelworkers say.

December 01, 2015 6:45 pm Video Photos

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Tucson-based Asarco to lay off 211

Tucson-based Asarco to lay off 211

Copper producer blames slumping prices for move to shutter concentrator, other cuts.

August 28, 2015 6:50 pmLoading…
Tucson-based Asarco to lay off 211, shut Hayden plant

Tucson-based Asarco to lay off 211, shut Hayden plant

Copper producer blames slumping prices for move to shutter concentrator, other cuts.

August 28, 2015 1:00 pmLoading…
Steelworkers, Asarco file NLRB charges

Steelworkers, Asarco file NLRB charges

Nearly 2,000 Asarco miners keep working without a contract as negotiations slow.

July 27, 2015 1:00 pmLoading…
Mine Tales: Mission Mine area keeps yielding ore

Mine Tales: Mission Mine area keeps yielding ore

Mission, Twin Buttes were first major ore bodies here found by geophysical methods.

April 05, 2015 7:34 pm Photos

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3 miners killed in Mammoth crash identified

3 miners killed in Mammoth crash identified

The men, from Oracle, Tucson and San Manuel, were on way home after night shift.

February 03, 2015 2:15 am
Patagonia mines oozed high levels of iron, US says

Patagonia mines oozed high levels of iron, US says

Levels were "way above any standards," says Geological Survey hydrologist.

December 28, 2014 12:00 amLoading…

Holidays past: The partially deserted mining camp called Christmas, Arizona

Each day through Jan. 4, we will publish stories from the Arizona Daily Star and Tucson Citizen news archives. This article is condensed from Dec. 21, 1947.

December 25, 2014 12:00 amLoading…
Court allows $300K in damages to ex-Asarco worker

Court allows $300K in damages to ex-Asarco worker

Former employee had sued the company for sexual harassment on the job.

December 10, 2014 1:05 pmLoading…
Mine Tales: Harshaw district was mighty and profitable

Mine Tales: Harshaw district was mighty and profitable

Forty-square mile district produced 1.3 million tons of zinc, lead, silver and gold.

December 08, 2014 12:00 am Photos

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ADEQ: Patagonia mine wasn't source of orange sludge

Agency draws flak from environmentalists for its handling of Trench Mine runoff.

October 21, 2014 10:00 pmLoading…

Major local employers already offer same-sex benefits

Tucson has been issuing domestic partnership certificates since 2003.

October 17, 2014 10:30 amLoading…
Closed Patagonia mines send orange sludge into creeks

Closed Patagonia mines send orange sludge into creeks

Toxic heavy metals may have leached into the water during heavy rains.

October 15, 2014 8:00 pm Photos

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Hayden, Miami smelters slated for upgrades

Hayden, Miami smelters slated for upgrades

Federal regulations will cut sulfur dioxide emissions 85 percent at the smelters.

October 11, 2014 7:00 pm Photos

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What's going up? Shops, places of worship, more

What's going up? Shops, places of worship, more

Satisfying readers' curiosity about what's under construction around Tucson.

August 17, 2014 12:00 amLoading…
Asarco parent to acquire last Silver Bell stake

Asarco parent to acquire last Silver Bell stake

The Silver Bell mine is west of Marana.

July 28, 2014 12:00 amLoading…
Asarco parent to acquire partner's stake in Silver Bell mine

Asarco parent to acquire partner's stake in Silver Bell mine

Grupo Mexico, parent of Tucson-based copper producer Asarco LLC, is expected to complete a deal to take full control the Silver Bell mine west of Marana by acquiring an additional 25 percent ownership stake from a business partner.

July 25, 2014 11:43 amLoading…
Business briefs

Business briefs

Phoenix car wash mogul pleads guilty; Asarco to pay Arizona fine; more.

July 25, 2014 12:00 am Photos

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