Small Mining Operations
Cyanide-Free Gold Separation
February 2011 by Chris Ralph
Some ores—mostly those with a high free gold content—are very amenable to gravity concentration. Well oxidized ores containing coarse gold are usually best for non-cyanide processes. Ores with significant sulfide content may require the...
Uphill Battle Continues for California Dredgers
There are currently three controlling agencies or entities over suction dredging in California—and you can make that four if the state legislature decides to further muddy the waters with additional legislation to block suction gold dredging in the state.
Putting Together A Small Free Gold Mill
Most small-scale miners want to know how they can set up a system much more cheaply. The difficulty is in the balance of putting together a decent small-scale system at a reasonable cost.
Wyoming's Billion Dollar Nugget—The Trilogy Ends
Our testing over the past 15 years was to confirm or deny the USGS report completed in 1978. Besides the half acre test dig, we completed many additional test digs by hand and with the backhoe.
Bering Sea Gold—Part I
The popularity of the new Discovery Channel series Bering Sea Gold has peaked interest in what gold resources are offshore of Nome, Alaska. The Cape Nome mining district is world famous...
Placer Channel Sampling
Sampling gold placers can be rewarding, but remember to treat the samples so you are not high grading or low grading your results. Learn the rules and apply them so your samples are accurate.
A Few Methods for Sampling Hardrock Deposits
With a little homework and a methodical approach to sampling, a prospector can determine if a deposit is worthy of more of an investment...
Gold Deposits of the Ivory Coast
Ivory Coast has considerable gold reserves, and this nation has the largest area of greenstone belts prospective for gold in the continent.
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The Bawl Mill
• Our Readers Say
• The Basics of Crushing and Milling Operations
• Ask The Experts—What minerals are magnetic? Can rare earth magnets capture platinum?
• Ask The Experts—Jet nozzle or suction nozzle? Which is best for my highbanker?
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• Rediscovering Placerville, California
• Eastern Arizona: Gold and Base Metal Deposits—Part I
• Over The Divide—Daryl J. Nelson
• Legislative and Regulatory Update
• Mining Stock Quotes & Mineral and Metal Prices
• Melman on Gold & Silver
