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Mining

Mine Tales: Octave mining property now for sale

Mine Tales: Octave mining property now for sale

The Octave Mine is credited with having produced 202,500 ounces of lode gold.

April 12, 2015 7:51 pm Photos

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Volunteers help stabilize buildings in ghost town

Volunteers help stabilize buildings in ghost town

A trip to Kentucky Camp reveals a century-old mining town.

April 06, 2015 7:51 pm Video Photos

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Mine Tales: Nuke plan part of Lone Star history

Mine Tales: Nuke plan part of Lone Star history

The district near Safford, produces about 250 million pounds of copper annually.

March 29, 2015 7:04 pm Photos

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Mine tales: Turquoise Mining District still operational

Mine tales: Turquoise Mining District still operational

Copper, lead and silver were the primary minerals yielded by the district.

March 15, 2015 7:49 pm Photos

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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…
Mining company says it's committed to Superior's success

Mining company says it's committed to Superior's success

But some townspeople say the outdoors offer better chance for area's future.

December 21, 2014 12:00 am Photos

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Mine land-swap vote imminent in Senate

Mine land-swap vote imminent in Senate

The controversial bill has been tucked into a "must-pass" national defense spending bill.

December 08, 2014 7:00 pm Related Loading…
US House vote eases way for Superior mine

US House vote eases way for Superior mine

Resolution Copper one step closer to accessing a massive copper deposit.

December 04, 2014 5:00 pmLoading…
Deal for Superior mine inserted into defense bill

Deal for Superior mine inserted into defense bill

Resolution Copper has been trying to acquire the land for nine years.

December 03, 2014 6:00 pm Photos

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Tucson-based mine operator Nord in receivership

Tucson-based mine operator Nord in receivership

Firm operates mine near Dragoon; failed to refinance its debt.

November 25, 2014 1:30 pmLoading…
Foundation's event recognizes achievements in mining

Foundation's event recognizes achievements in mining

Funds from banquet help in outreach, education.

November 18, 2014 12:00 amLoading…
Santa RitaMountainsMine tales: Santa Rita Mts. have long been activebeen active

Santa RitaMountainsMine tales: Santa Rita Mts. have long been activebeen active

The Helvetia-Rosemont Mining District at the northern end of the Santa Rita Mountains is known for its copper deposits found in limestone, quartzite, and granite.

November 17, 2014 12:00 am Photos

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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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Conviction of ex-Arizona congressman upheld

Rick Renzi was convicted of extortion, fraud, conspiracy and racketeering.

October 09, 2014 3:30 pmLoading…
News and notes

News and notes

Pima plans to boost programs in high-demand fields of aviation, mining and manufacturing.

September 30, 2014 12:00 amLoading…
Mine Tales: Inclines gave miners a steep step up

Mine Tales: Inclines gave miners a steep step up

Inclines helped move ore downhill.

September 29, 2014 12:00 am Photos

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Hudbay looking to expand beyond Rosemont in Arizona

Hudbay looking to expand beyond Rosemont in Arizona

This Q&A with company officials covers Rosemont environmental, business, transportation issues.

July 25, 2014 9:15 pm Photos

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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…
Hudbay, Augusta agree to friendly takeover

Hudbay, Augusta agree to friendly takeover

Hudbay Minerals Inc. and Augusta Resource Corp. announced early today that the two companies have agreed on a friendly takeover bid for the British Columbia company that owns the proposed Rosemont Mine site near Tucson.

June 23, 2014 7:46 am Related Loading…

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