All Articles
The Small Hardrock Mill—Part I
July 2006 by Del Thomas, ME
Ore dressing is of prime importance to the operator of a small hardrock gold mine. No, Virginia, ore dressing has nothing to do with dressing in the latest spring dresses, or the stuff that gets forced into the turkey on Thanksgiving. It refers to the method of processing ore to extract the valuable minerals contained in the rock—in the case of this series of articles, gold and silver.Additional articles that might interest you...
Silver Boom Prompts Idaho Mine Expansion
January 2011
The Lucky Friday is already one of North America’s deepest hard-rock mines. Now, the 62-year-old mine is about to get much deeper.
The Lucky Friday is already one of North America’s deepest hard-rock mines. Now, the 62-year-old mine is about to get much deeper.
Understanding Hard Rock Mining: Terms and Methods—Part I
June 2004
While 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.
While 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.
Ask the Experts
February 2015
• Is this old mining story too good to be true?
• Is this old mining story too good to be true?
Route Planning Using GPS
January 2019
My intention was to end this discussion with waypoints and routes, then I found USGS maps of the Plainfield Quadrangle.
Mining Stock Quotes and Mineral & Metal Prices
October 2016
Gold in the San Francisco District Oatman, Mohave County, Arizona
December 2013
I suspect detailed geological mapping and prospecting would lead to discovery of one or more overlooked gold deposits in the district even though it has been heavily prospected in the past.
I suspect detailed geological mapping and prospecting would lead to discovery of one or more overlooked gold deposits in the district even though it has been heavily prospected in the past.
Internet Posting Fuels Gold Rush in Brazilian Town
March 2007
It’s a gold rush in the Amazon jungle, driven by the Internet.
It’s a gold rush in the Amazon jungle, driven by the Internet.
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The Bawl Mill
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• The Iditarod-Innoko Goldfields
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
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