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Understanding Hard Rock Mining: Terms and Methods—Part I
June 2004 by Chris Ralph
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.The Wild Rush To Find More Cobalt—Part II
In this second part on cobalt, I will take a look at the various types of cobalt deposits and how you can prospect for them. Who knows—perhaps the next big cobalt strike will be yours.
Picks & Pans: Crevicing & Sniping for Placer Gold
Even though there has recently been a decline in the prices for most of the precious metals, an increasing number of amateur prospectors are still finding that prospecting for precious metals is an exciting, enjoyable, and sometimes profitable occupation.
Nebraska Couple Finds Big Nugget in Arizona
Friends of Don and Marlene Doran often tease them about their hobby of searching for unique rocks. Now they are the ones laughing.
Ask The Experts
• Determining the amount of gold in a specimen
Ask The Experts: How to handle gold in cyanide; how to sample a platinum deposit
Is there a method which can be done safely to get the metals to drop out of the cyanide solution? What is the best way to learn how to evaluate the potential of this serpentine platinum deposit potential?
Natural Gold Alloys
Natural gold is never 100% pure; all natural nuggets contain at least some impurities. We're going to take a look at just what some of those impurities might be.
Picks & Pans: Lost Below
The year was 1956. The place was a silver mine in Silverado Canyon, California. To familiarize you with the area, Silverado Canyon is located in Southern California near El Toro Marine Base, which is located near Majeska Peak.
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The Bawl Mill
• Higher Copper Price Brings Hope, Jobs
• Zeballos Gold Camp, British Columbia
• Agreement Allows Pogo Mine to Resume Construction
• Treasure Hawk Mine Back in Action
• Oregon Dredgers Receive Threats From Environmentalists
• Mood at Calgary Conference is Subdued, But Optomistic
• Reinventing the Wheel—The Infinity-Jet
• Company Notes
• Endangered Species Act is a Mess
• Placer Platinum
• Here Come the MineBots
• Agency Gives Initial Backing to Kensington Mine
• Mining Stock Quotes and Mineral & Metal Prices
• Looking Back
• Melman on Gold & Silver
• Brits Thwart Robbery of Gold and Cash
