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The Mexican Gold Belt
January 2006 by Edgar B. Heylmun, PhD
Mexico is a large country, much larger than the state of Alaska. It is almost as long as the US is wide. It has climates that range from tropical rainforests in the south to barren deserts in the north. The Sierra Madre is a forested plateau that reaches elevations in excess of 10,000 feet. It parallels the west coast of the country.Additional articles that might interest you...
Mining Boom Is Back In Northern Nevada
April 2007
At the Gold Quarry open-pit mine, a massive electric shovel scoops 40 tons of earth in a single bite and dumps it into a 325,000-pound truck the size of a two-story house.
At the Gold Quarry open-pit mine, a massive electric shovel scoops 40 tons of earth in a single bite and dumps it into a 325,000-pound truck the size of a two-story house.
The Tangential Impulse Water Wheel in California Gold Mining History—Part II
March 2004
Even before Pelton relocated in San Francisco in 1888, many other competitive foundries and machine shops chose to enter the water wheel market. These firms were already busy with the mining trade, producing hoists, stamp mills, ore carts, Cornish pumps, crushers, grinders, compressors and drills.
Even before Pelton relocated in San Francisco in 1888, many other competitive foundries and machine shops chose to enter the water wheel market. These firms were already busy with the mining trade, producing hoists, stamp mills, ore carts, Cornish pumps, crushers, grinders, compressors and drills.
Our Readers Say
August 2005
• Re: ICMJ's Mine Market ads
• "The enjoyment of prospecting"
• Re: ICMJ's Mine Market ads
• "The enjoyment of prospecting"
Ask the Experts
March 2014
Gold out of auqa regia
Gold out of auqa regia
MINExpo 2004 Convention Report
November 2004
Unquestionably, the first impression received from touring the exhibition areas at “MINExpo International 2004,” sponsored by the National Mining Association and held at the Las Vegas Convention Center from September 27-30, is one of sheer size. While other gatherings are delighted to host a couple of hundred exhibitors and attract three or four thousand attendees...
Unquestionably, the first impression received from touring the exhibition areas at “MINExpo International 2004,” sponsored by the National Mining Association and held at the Las Vegas Convention Center from September 27-30, is one of sheer size. While other gatherings are delighted to host a couple of hundred exhibitors and attract three or four thousand attendees...
Mining Stock Quotes and Mineral & Metal Prices
February 2002
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