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Gold at Mercury Mines
May 1999 by Edgar B. Heylmun, PhD
There are numerous old mercury (quicksilver) mines in the central Coast Ranges of California, from San Benito County on the south to Lake County on the north, a distance of 225 miles.
Ask the Experts: various mining courses
Q: What classes should one take if planning on majoring in mining engineering or geology?
Ask the Experts
Q: Will my detector react to fine gold?
Ask The Experts: Assay problem or recovery problem?
Q: I have tried various leaching techniques from which I cannot get a precipitate.
2015 World Gold Panning Championships
Every Spanish village seems to hold their pride in one unique area of expertise. Pamplona has its bulls, Barcelona its architecture, and gold panning belongs to Navelgas.
Forest Service Attempts to Close Public Access
The Forest Service is attempting to close off historic trails and roads throughout the western states, declaring the closures are part of a travel management project. They state their motivation is to control damage caused by off-highway-vehicles.
Ask The Experts: Could you expand on your previous blasting article?
Q: Could you write more about the last two methods that you mentioned—the expanding chemical mixtures and the micro blasters, how and when to use them, and when not to use them?
Company Notes
• Pan American Silver Corp.
• ESG Canada
• Vista Gold Corp.
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