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Small Mine Selective Blasting

Drill 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...

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Charcoal Crucible Recipe


...using charcoal briquettes (and no starter fluid) and a few other easily attainable ingredients.

Vendors Announced for Gold Prospecting and Mining Summit


We are happy to announce the vendor/exhibitor spaces for the 2016 Gold Prospecting and Mining Summit in April are completely sold out. In fact, the venue has been sold out for several months.

Picks & Pans: Winter Prospecting and "Forty Mile" Miller


It was in the mid-70s. I had just finished setting my traps out along the river when it dawned on me where “Forty Mile” Miller’s old hardrock outcrop was. Here I was, standing on snowshoes, floundering in three feet of snow, bracing myself so I wouldn’t...

The Colorado Mineral Belt


The 250 mile long Colorado Mineral Belt cuts diagonally across central and southwestern Colorado, in the heart of the Rocky Mountains...

Using Mineral Deposit Models


Mineral deposit models have been used in mineral exploration for thousands of years. They were obviously not called models as we use the term today, but the idea of accumulating data to predict mineral deposits is the same. Models can be valuable tools in mineral exploration and assessment and are routinely used by major mining companies in locating and evaluating mineral deposits.

Group Sues Feds Over New Nat'l Monuments


Several Arizona lawmakers and Utah ranchers filed suit against the federal government over the creation of a national monument in northern Arizona.

Company Notes


• Pan American Silver Corp.
• Vista Gold Corp.
• Pacific Rim Mining Corp.

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