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Tailings

How high will Freeport's tailings climb?

How high will Freeport's tailings climb?

Duncan and Connie Creed say they no longer can enjoy the glow of sunsets in their backyard like they could when they moved into their Green Valley house 11 years ago. The reason, they say, is the stand of mine tailings just west of their home that towers like a huge mesa over the community.

June 08, 2014 12:00 am Photos

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Asarco to pay $70,000 for Sahuarita dust violations

The mining giant Asarco will pay Pima County its second round of civil penalties and environmental reparations in three years over tailings dust blowing from its Mission Mine in Sahuarita into neighboring homes.

October 06, 2013 12:00 amLoading…
Emissions rose 22 percent in 2011, EPA report details

Emissions rose 22 percent in 2011, EPA report details

Mining companies are trying to manage the problems with tailings, such as these at the Asarco mine near Green Valley. Among the procedures Asarco is using to control dust is spraying additives onto tailings to create a crust that's less likely to blow off.

February 10, 2013 12:00 amLoading…
Toxic releases by Arizona mines increasing

Toxic releases by Arizona mines increasing

Activity at Arizona's mines is surging, and so is the release of toxic materials.

February 10, 2013 12:00 amLoading…

Court OKs settlement over hazardous waste at AZ mine

U.S. District Court for Arizona has approved a $6.8 million settlement that Phoenix-based Freeport McMoRan will pay over the past release of hazardous substances from the Morenci mine.

July 03, 2012 2:02 pmLoading…

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