All Articles
Ask the Experts—What is barite used for?
June 2007 by Staff
Q: Could you inform me as to what “barite” is used for? Where can I locate a company that mines barite?Additional articles that might interest you...
Identifying the Noble Metals Simple Tests That Work
May 2006
Using a porcelain evaporating dish, place concentrates or head ore, equal to a tablespoon, in 60cc of aqua regia. Boil almost to dry, then add 10cc HCl (hydrochloric or muratic acid) and heat for a few minutes, and then add 30cc of water and bring to boil. Let cool while the solids are being allowed to settle. Using a pipette...
Using a porcelain evaporating dish, place concentrates or head ore, equal to a tablespoon, in 60cc of aqua regia. Boil almost to dry, then add 10cc HCl (hydrochloric or muratic acid) and heat for a few minutes, and then add 30cc of water and bring to boil. Let cool while the solids are being allowed to settle. Using a pipette...
Recreational Gold Panning on the South Yuba River
July 1999
The Forest Service recently announced a new area set aside for recreational gold panning on the South Yuba River, east of Nevada City.
The Forest Service recently announced a new area set aside for recreational gold panning on the South Yuba River, east of Nevada City.
Looking Back
March 2002
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Revisiting the Rocker Box
August 2016
The first location we worked was a small, dry ravine cutting through many mineralized zones in an area where some hard rock mining had taken place in the past.
The first location we worked was a small, dry ravine cutting through many mineralized zones in an area where some hard rock mining had taken place in the past.
Legislative and Regulatory Update
May 2010
• DOI backs mill sites
• Arizona goes to bat for miners
• Battles continue in California
• Climate change legislation
• DOI backs mill sites
• Arizona goes to bat for miners
• Battles continue in California
• Climate change legislation
The Paradox Basin—Part II
August 2005
The Atomic Energy Commission (AEC) was created soon after the war. One of their first deeds was to pass the Energy Act of 1946. This, among other things, provided monetary incentives for nearly every stage of mine development and operation.
The Atomic Energy Commission (AEC) was created soon after the war. One of their first deeds was to pass the Energy Act of 1946. This, among other things, provided monetary incentives for nearly every stage of mine development and operation.
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• Melman on Gold & Silver
