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Higher Zinc Price Creates Opportunity
April 2005 by Scott Harn
Zinc is brittle and crystalline at ordinary temperatures, but when heated to between 110°C and 150°C it becomes ductile and malleable; it can then be rolled into sheets. The bluish-white metal is used principally for galvanizing iron, but also...
The Silver Islet Mountains of Utah
I set up my dry washer on the north side of the cut and sampled the bed rock and dumps around me. As I was only sampling, I ran for 20-30 minutes, shoveling from a variety of areas.
A Short But Productive Hunt
The prospects I found are known to carry heavy chunks of gold, sometimes in quartz, ironstone, or many times a rusty-looking type of shale covering.
Ask the Experts
Q: Does anyone know of an electrowinning instrument that will plate (heavy plate) rhodium and iridium? I have both in solution. (Solution content = 262.9 oz/ton of iridium; 14.9 oz/ton rhodium.)
If I have precious metals in solution in bulk, say 620 to 1,000 gallons, is there a facility to extract the precious metals out? If so, can each be isolated?
The Bawl Mill
Ask The Experts—Where do I find information about getting paid for raw gold?
Q: Where do I find out information about raw gold being tested for purity, refined, and getting paid cash for it?
Drywashing Alluvial Placers
Portable, hand-operated, bellows drywashers have been used for over a hundred years to recover gold in the deserts of Arizona, New Mexico, California and Nevada. Drywashers were considered a last resort over...
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• Our Readers Say
• Progress Report on Washington State Small-Scale Regulations
• Pediments
• Bill to Allow Mining of Coeur d'Alene Basin
• Dredging Below the Homestake
• Looking Back
• Picks & Pans: The Glory Hole
• Enthusiastic Crowds at PDAC
• Fraser Institute Survey Results Rank Best (and Worst) Mining Locales
• Synclinal Oil
• Small-Scale Prospecting & Mining (A Little History)
• Government Appeals Miner Injury Case to Supreme Court
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
