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Large Scale Mining

Drilling for Ore

In the simplest sense, drills can be divided by their mode of action—percussion, rotary or a mixture of the two.

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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.

Silver Peak, Nevada: A Little of Everything


Silver Peak is a small mining community in Esmeralda County in west-central Nevada, about 30 miles west of Goldfield. Although it’s fairly remote, it’s been an important mining center since the early days.

Prospecting for Copper—What to Look for on the Outcrop


For the prospector, knowing what oxidized hydrothermal alteration looks like in the field is an important exploration tool.

Critical Metals: Zinc


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.

Progress Continues in Honduras


He had meetings with Honduran officials at all levels, set up a new corporation called Raptor Mining in El Corpus, Honduras, and is in the process of establishing a non-profit called “Step Up for Honduras.”

Freegold Mountain Project


Few areas of the world have a mining history comparable to Canada’s Yukon Territory thanks to the fabled Klondike Gold Rush, which took place from the late 1890s into the early years of the Twentieth Century. Tens of thousands of prospectors and treasure hunters poured into the Territory following the discovery of placer gold...

Using Structural Clues to Locate Buried Placer Channels


They must have assumed the paystreak was spotty and had been mined out, so they never mined as close to the side of the valley as they should have.

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