Prospecting & Detecting
Pay Attention to the Features and Landmarks
January 2021 by Ray Mills
People always ask me what is so important about locating contact zones. The answer to that: Gold.
Moving The Big Rocks

Placers Directly Associated with Lode Deposits
Placers that are directly associated with lode deposits are sometimes overlooked and may have good potential for those who are willing to search for them.
Fluorescent Mineral Prospecting
Ultraviolet light is divided into three levels, labeled A, B and C depending on the wavelength, with C having the shortest wavelength and the most energy.
Gold in The Midwest--Part I
Gold can potentially be found in all the glaciated areas of the Midwest, but to find it in any appreciable amount one needs to look to areas where the gold gets concentrated by more recent water flows.
The Potholes—California’s Oldest Known Mining District
Every time we prospected here we found gold, sometimes some really coarse flakes, but no large nuggets (yet).
Prospecting Australia—Part I

Blackberries and Gold
There were iron stains all over and even a few places where I could see iron trash sticking out of the bedrock. These would be ideal spots to start with as the gold travels with the iron and lead.
Subscription Required:
The Bawl Mill
• Happy New Year 2021!
• Ask The Experts - Does steep stream bedrock act like riffles?
• Ask The Experts - Where do I register a mining claim in Nevada?
• Ask The Experts - Are eskers good locations for gold?
• Ask The Experts - Any tips for hunting down gold veins?
• Our Readers Say
• Dealing With Hot Rocks and Mineralization
• Principles of Designing Your Mill Production System, Part I: Starting Up
• Gold Prospecting for Better or Worse: All Work and No Pay
• Specialized Equipment Available for Hire
• Which Coil Should I Use?
• Northern Dynasty To Appeal Alaska Permit Rejection
• Our Old Friend, Mr. Crashbox
• Resolution Copper Project To Be Reviewed By Year-End
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices