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The Prevleator
April 2007 by Tom Leftwich
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Ask The Experts
Estimating the gold content of ores with gold, quartz and other minerals?
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.
Mining for Gemstones and Mineral Specimens

Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Mining Stock Quotes and Mineral & Metal Prices
Ask The Experts
• Is there a single book that covers most aspects of mining and recovery?
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The Bawl Mill
• Ask the Experts—How do I remove gold from black sands?
• Ask the Experts—How did the bill to address RS 2477 pan out?
• Ask the Experts—How can I separate gold from carbon?
• Wild and Scenic Rivers Act (P.L. 90-542, as Amended)
• Platinum Placers and Nuggets
• In Pursuit of Gold & Silver in the Sierra Madres—The Tejeda Mines
• The Business of Mining—Family Mining Business Tax Savings
• Successful Nugget Hunting
• Oregon Miners Update
• Mining Boom Is Back In Northern Nevada
• Lease Issued For Potential Mine Near Mount St. Helens
• Looking Back
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices