Small Mine Selective Blasting
January 2000 by Dr. Ralph E. PrayDrill holes in a mineralized vein often penetrate hidden layers of poor ore which, after blasting, end up diluting the production quality. Disseminated gold ores carrying two ounces per ton may be identical in appearance to adjacent vein material...
- Those “dog-gone” fraud charges
- Fake news
Quiz yourself about the stream in figure 5. Based on your previous knowledge of where gold is found in a stream and in this article, where do you think you will find the most gold?
Agnico-Eagle Mines will open Europe’s largest gold mine in northern Finland in 2008, the Canadian company and local officials said.
Mining has been a mainstay of the Durango economy for generations. It was mining, beginning with the discovery of what later became the Avino Mine in the sixteenth century by Juan de Tolosa of the Spanish Army, which formed the basis...
Back in October I read with great interest Chris Ralph’s article on the use of a metal detector while drywashing, and I wholeheartedly agree—I wouldn’t even consider going drywashing without using a metal detector in conjunction...
Seven legendary figures of American mining will be enshrined in the National Mining Hall of Fame in ceremonies on Saturday, September 7, 2002, at The Little America Hotel in Salt Lake City, Utah.
All of which brings us back to the question of why we rely so heavily on China in the first place. America’s economy is heavily dependent upon energy and telecommunications, but does that require Chinese manufacturing? Clearly not.
The Bawl Mill • Over the Divide • Our Readers Say • Letter from the Editor to our Readers and Advertisers • Administration Considers Bypassing Congress • First Woman to Draw Mining Pension • Mohave Mountain Placers, Arizona • High Court to Reconsider Wilderness Water Rights • Sixteen to One Takes on MSHA • Picks & Pans: Gold Mining on Joie Osgood Ranch • Gold • Company Notes • Millie's Tailings • Placer PGMs in Alaska • Mogollon—New Mexico's Remote Gold Camp • ICMJ 9th Annual Photo Contest Results • The Other Minerals of Mt. Diablo • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices • Looking Back