Large Scale Mining
Critical Metals: Zinc
May 2014 by Chris Ralph
In this article, part of an ongoing series taking a look at critical metals in our economy, we will examine the mining and use of the metal zinc.
The Struggle to Reopen Alaska's Largest Gold Mine
The historical AJ mine, located east of Juneau, Alaska, was considered the largest gold mine in the state at one time. Joe Juneau and Richard Harris struck gold there in 1880, and it has been more recently known as a tourist destination.
A Father’s Day to Remember: 24,000 Ounces Gold in Quartz
Father’s Day in Australia was on September 2, and it’s a day a group of miners from “down under” won’t soon forget.
Appeals Court OKs Permits for Upper Peninsula Mine
The $800 million project will provide 300 jobs during production. It will be the only US mine where nickel is the primary targeted mineral, with about 360 million pounds to be extracted.
Managers at Fault for Two Deaths at Meikle Mine
Two miners were killed in an accident partly because someone wedged a broom handle against a reset button to bypass an alarm that would have shut down the system, federal safety investigators said.
Gold Ores of the Delamar District, Nevada
Even as late as 1906, Delamar was second only to Tonopah and Goldfield in production outshining many better known areas. Since the first discoveries, more than 700,000 ounces of gold have been produced from the mines here.
Surviving The Boom and Bust Cycle
Back when I was in college, when I first started classes, the demand for new engineers was so strong that every graduate had multiple job offers without even trying.
Extraction of Precious Metals Using Froth Flotation
Without this versatile group of technologies, we would be hard-pressed to produce the metals so critical to our modern way of life. The robust mining industry of today would literally not exist.
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