All Articles
Recovering Fine Gold: Getting the Most from Your Sluice Box
October 2005 by Chris Ralph
The sluice box is probably the most common gold recovery device after the pan. For centuries, the sluice has been the world’s most popular device for medium to large-scale primary placer gold recovery.
Ask The Experts—Amalgamation
Q: Exactly how does amalgamation work? Does it “melt” the gold (or copper, or silver, etc.) and form an alloy? If one leaves a piece of gold in mercury, will the entire sample become an amalgam (combination) of gold and mercury? Or does it only affect the surface...
Turning Acid Mine Drainage Into Drinking Water?—Grass Valley Company May Have the Answer
HPT Research recently tested their patented process for treating Acid Mine Drainage (AMD) on thousands of gallons of contaminated water at the Mammoth Mine.
The Jenkins Mine Project, Conclusion—Recovery Operations & Summary
This project taught me that you don’t need to be Albert Einstein to apply a little science to your prospecting. I learned that most of the science related to suction dredging is actually common sense. All we need to do is take the time to apply it.
Countries Want More Concessions From Miners
Bulgaria has followed the recent moves of Mongolia and Venezuela, demanding renegotiation of existing agreements and more concessions from mining companies.
McCain Derides Clinton Forest Policy
Sen. John McCain stated recently that if elected president, he would overturn President Clinton's executive order putting more national forest land off-limits to logging.
Miners Win in Montana Water Court
I hope this case inspires some of you. It shows that miners can and do succeed when they are persistent and well-prepared, even when representing themselves against state and federal attorneys in a court of law.
Gold Prospecting for Better or Worse: The Superbowl Nugget
My next strategy was to walk anywhere and everywhere that I had been inside this home and garage. I looked on the floor, in the bathroom, I checked the bathroom trash can, and I even pulled the shower curtain back and looked in the bathtub.
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The Bawl Mill
• Newmont's Gold Quarry Mine
• Drywashing and Detecting for Eluvial Placer Gold Research is the Key to Success—Part II
• EPA Offers Liability Protection to Spur Cleanups
• Study: West Has Vast Oil Shale Reserves
• Picks & Pans: Detecting Micro-Nuggets
• The Notch Peak Intrusive
• 2005 California State Gold Panning Championships
• Company Notes
• Tales of California Gold Discoveries 2nd in a Series—The Jenny Lind Mine
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
