All Articles
Detecting the Swiftshore Mine
January 2010 by Paul Giese
Our group of six met in Foresthill, California, in mid-November. The weather was crisp, but not too cold. We had planned this trip on short notice and were all eager for the adventure ahead.
Bigger and Better—Gold Prospecting & Mining Summit Recap
Our second year’s Summit, held over five days in mid-May, was even bigger and better than last year’s gathering. We had more vendors, more hands-on classes and a very full slate of lectures and presentations. Over 2,300 prospectors attended...
Refractory Gold Processing
After your excitement peaks when you first receive the high gold assay from the vein you just exposed, you ponder how you will extract and sell your gold. You will need to develop a flow sheet for your process to optimize your recovery and minimize your costs and permit requirements.
Gold in Rotten Rock
Rotten rock (saprolite) can be found in all warm, humid regions, but is best developed in humid, subtropical climates, like that found in the American South. Outwardly, it looks like bedrock, but upon closer inspection, it can be seen that roots penetrate it and that it can be worked with a shovel or hydraulic monitor.
Prospecting Tales: Forest Service, Fires and Bears—Oh My!
I woke up on Sunday morning, August 10, to heavy smoke. I saw where it was coming from, but it seemed like it was a long way off so I thought I was okay for the time being.
Have We Hit 'Peak Gold'?
According to some experts, after the peak is reached, the production rate will slowly decline until it reaches near zero while the price shoots upward. At that point, we will have pretty much mined all the economic ore deposits that are present on the planet.
The Last Chance Mining District
With all of the erosion patterns wearing away the channels down into the North Fork of the Middle Fork, we assumed placer gold was still available in the river. The question became: How do we get down the 1,600-foot elevation drop to reach the river?
California Dredgers Shafted by Assembly Democrats
Legislation designed to provide full permit refunds to all suction dredge miners in California has been hijacked in an Assembly policy committee.
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• The Golden Surprise
• University of Nevada Offers Online Mineral Processing Class
• The Business of Mining—Tradeshow Deductions
• Melman on Gold & Silver
• Mining Stock Quotes & Mineral and Metal Prices
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