Ask The Experts - Does gravel + bedrock = gold?
December 2019 by Chris Ralph
Gold nuggets and serpentine contacts
Q: I would like to know how to use a classifier when I dump my gravel into my sluice box. I would also like to know what sizes classifiers come in. I know that they are in sizes like -3/4. What does the “minus” in the size mean? Thanks for any help you can give me.
Where to process high grade gold ore containing sulfides?
• Should I introduce mercury in the centrifugal bowl to aid gold recovery?
The Bawl Mill • Ask The Experts - How do I obtain a map of Montana gold & sapphire gravel bars? • Ask The Experts - How do I process this white quartz with black striations? • Back to Green Valley--With A Sluice • A Lesson In Underwater Sniping • More Fiddling While Forests Burn • Achieving Accurate Metal Detector Discrimination • My New Passion--Crystal Hunting • The Half-Mile Claim • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices • Gold Prospecting for Better or Worse: White Knuckle Mining