Prospecting & Detecting
Prospector's Guide to Rock Breaking and Blasting
December 2016 by Chris Ralph
The holes were overloaded with explosives, but I didn’t know it. I was just a green mining engineer fresh out of school and told to watch as the experienced miners set the charge.
Tyrie's Roadway Nugget
I will have to admit, I actually was brought to tears just thinking about what I had just done. I knew the gold was there, but I never thought I would be so fortunate to find such a prize nugget.
Cold Water Gold
It was June 2011, and my wife Fran and I with Grandson Lucas and good friend Ernie Cruz were attempting to get to our gold mining claim on the Middle Fork of the Feather River about ten miles from Quincy, California. Rain had poured down in the previous few days and the road in a large number of low places was under water. Following two hours of slugging through the mud...
How to Evaluate Mineral Claims—What to Know Before You Buy
Even though they have put down thousands of dollars, the buyers often stop paying on their claims part way through the process after they realize they’ve been duped, but the company just sells it again to another buyer.
Follow the Line
Four nuggets, ranging from one to four pennyweight, had been found originally. All four nuggets were found in a line about ten feet apart from each other.
An Interview with Minelab Engineer Mark Lawrie
The design of metal detectors well-suited for prospecting is an interesting process and not necessarily an easy one to achieve. It is a combination that blends the desires of what prospectors would like, the requirements of sales people and dealers, with the science and physics of what the electronics can achieve.
Pocket Gold
Once a seam is found it can be traced for miles in either direction. While you are tracing a clay line, you are looking for indicators. The indicators that I look for are ironstone, hematite, different color clays intermingled with the clay line, and a very iron-rich, brown gritty soil.
Prospecting After Winter Storms
So, how much rain does it take to cause a major movement of gravels in a stream and redistribute the gold? The technical answer is enough water to move the bed load of the river.
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The Bawl Mill
• Our Readers Say
• Ask the Experts: What type of wetsuit do I need?
• MMAC Update
• Pros and Cons of Big Detector Coils
• Prospecting and Mining Old Mine Sites
• Detecting Strategies for Heavily Forested Areas
• Mining Districts and Community Outreach
• Alaskan Gold Adventure
• Learning the Game and the Power to Change It
• Central Idaho Federal Employees Back to Work With Local Help
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver







