Showing: 1-20 of 16

Copper Mining

Mine Tales: Copper was — and is — a huge economic factor here

Mine Tales: Copper was — and is — a huge economic factor here

It would be difficult to overstate the importance of copper in the role of the economy of Arizona, where students used to learn about “The 5 C’s” — copper, cattle, cotton, citrus and climate.

September 30, 2013 12:00 am Photos

Photos

Loading…
Author mines copper's history, complexities

Author mines copper's history, complexities

Former Bisbee resident Bill Carter is author of "Boom, Bust, Boom: A Story About Copper, the Metal that Runs the World."

March 07, 2013 12:00 amLoading…
Author mines copper's history, complexities

Author mines copper's history, complexities

A startling discovery in Bill Carter's backyard led the Arizona author to write his latest book, "Boom, Bust, Boom: A Story About Copper, the Metal that Runs the World."

March 07, 2013 12:00 amLoading…

Florence anti-sulfur restriction challenged

PHOENIX - The operators of a proposed copper mine in Florence want a federal judge to void a new town law that would effectively thwart the project.

October 18, 2012 12:00 amLoading…

County to drop appeal on Rosemont water permit

Pima County plans to drop its appeal of an April decision by the state's environmental agency approving a groundwater pollution prevention permit for the proposed Rosemont Mine.

September 20, 2012 12:00 amLoading…
Increased profits, costs predicted for Rosemont Mine

Increased profits, costs predicted for Rosemont Mine

This composite of six images, facing east, shows the valley in the part of the area proposed for Rosemont Copper's open-pit mine in the Coronado National Forest in the Santa Rita Mountains south of Tucson.

September 02, 2012 12:00 amLoading…
Increased profits, costs predicted for Rosemont Mine

Increased profits, costs predicted for Rosemont Mine

Caption unavailable

September 02, 2012 12:00 amLoading…
Increased profits, costs predicted for Rosemont Mine

Increased profits, costs predicted for Rosemont Mine

A worker moves copper cathodes, a process Rosemont has decided against, at a mine near Benson.

September 02, 2012 12:00 amLoading…
Increased profits, costs predicted for Rosemont Mine

Increased profits, costs predicted for Rosemont Mine

From left, flotation concentrate (shining chalcopyrite), copper concentrate in a very fine, wetted, sand form; a solution of all the minerals in the copper ore rock, plus chemicals and water used to separate the calcopyrite; a compound containing copper, along with iron and sulfur, the basic…

September 02, 2012 12:00 amLoading…
Increased profits, costs predicted for Rosemont Mine

Increased profits, costs predicted for Rosemont Mine

Higher costs and profits than previously forecast are on tap for the proposed Rosemont Mine, says a new feasibility study.

September 02, 2012 12:00 am Photos

Photos

Increased profits, costs predicted for Rosemont Mine

Increased profits, costs predicted for Rosemont Mine

Caption unavailable

September 02, 2012 12:00 amLoading…
Asarco mining giant notching 100 years of operation in AZ

Asarco mining giant notching 100 years of operation in AZ

Boom, bust and controversy.

March 04, 2012 12:00 am Photos

Photos

Loading…
Asarco mining giant notching 100 years of operation in AZ

Asarco mining giant notching 100 years of operation in AZ

An employee at Asarco's smelter in Hayden works to process copper concentrates. The smelter has operated since 1912, the company's first operation in Arizona, some 70 miles northeast of Tucson.

March 04, 2012 12:00 amLoading…
Asarco mining giant notching 100 years of operation in AZ

Asarco mining giant notching 100 years of operation in AZ

Dump trucks and huge shovels remove material from the Mission Pit at the Mission Complex. To the right are holes where explosives will remove that portion of the floor later in the day.

March 04, 2012 12:00 amLoading…
Asarco mining giant notching 100 years of operation in AZ

Asarco mining giant notching 100 years of operation in AZ

An operator aide at the south mill of the Mission Mine walks by the ball mill that grinds small rocks that will eventually be the size of table salt. The mine is composed of five open-pit properties south of Tucson.

March 04, 2012 12:00 amLoading…

Follow the Arizona Daily Star

Featured businesses

View more...
View more...

Deals, offers & events

View more...