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Sulfides, Selenides and Tellurides
June 2007 by Chris Ralph
The early day miners feared it, and it happened a lot more often than they would have liked: the easily worked rich surface ores they discovered gave way as they mined downward to a vein full of sulfides, base metals and other nasty, rebellious and...
Ask the Experts—How do you determine how far a piece of gold has traveled in a stream?
A Few Prospecting Notes From Jim Straight
The article that appeared in the October 2002 Issue of ICMJ, “Confessions of a Professional Nuggetshooter,” by Lunk, is an example of how to use a “deep-seeking-type” metal detector to lay down a grid pattern to “mine” eluvial placer gold after prospecting and finding the first nugget as the locus.
Dredging Below the Homestake
What better place to dredge for gold in the early 1970s than downhill from the largest gold mine in the US? Gold prices were rising, and it was a good time and place to shop for a prospect.
Ask The Experts: How would you go about evaluating a silver deposit?
Any ore grading 32% silver would contain more than 9,000 ounces of silver per ton and be valued at something in the range of $150,000 per ton. Even a few tons of this type of material would be well worth shipping off to a smelter for treatment.
Exploration Rush at Tonopah, Nevada
A few months later, a young, greenhorn lawyer agreed to pay to have it assayed, and the quartz turned out to be rich in both gold and silver.
Why Did This Silver Mine Close?
Melman on Gold & Silver
…for a change, it is time to turn away from the Trump-Mueller frenzy and concentrate once again on some of the other sources of information which can present us with valuable information related to our precious metals.
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