Understanding Hard Rock Mining: Terms and Methods—Part I
June 2004 by Chris RalphWhile most small-scale prospectors and miners focus their energies on placer deposits, most large mining companies put their efforts primarily into hard rock mining. Although many miners may see these as two separate worlds that can never meet, a better understanding of hard rock mining for small operators can be very helpful in many ways.
The Golden Sunlight Mine in Whitehall wants to expand its open pit operations, possibly extending the life of the mine by five years.
I frequently get asked, "What should I look for when I am out prospecting that will tell me there are good amounts of gold present in the ground?"
The Maggie Creek Mining District, of which the Gold Quarry Mine is a part, was first explored in the 1870s. The transcontinental railroad had recently been built through the area. Carlin, a rail stop about 7 miles south of the district...
The Directory of Active Mines in Arizona-1999, just released by the Arizona Department of Mines and Mineral Resources, reflects the strength and diversity of the Arizona mining industry.
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
There is one special picnic table I fervently wish I had kept. This special table was literally on top of the world. Better yet, it was on the mine dump of the old, long-abandoned gold mines at Summitville, Colorado.
The Bawl Mill • Higher Copper Price Brings Hope, Jobs • Zeballos Gold Camp, British Columbia • Agreement Allows Pogo Mine to Resume Construction • Treasure Hawk Mine Back in Action • Oregon Dredgers Receive Threats From Environmentalists • Mood at Calgary Conference is Subdued, But Optomistic • Reinventing the Wheel—The Infinity-Jet • Company Notes • Endangered Species Act is a Mess • Placer Platinum • Here Come the MineBots • Agency Gives Initial Backing to Kensington Mine • Mining Stock Quotes and Mineral & Metal Prices • Looking Back • Melman on Gold & Silver • Brits Thwart Robbery of Gold and Cash