Prospecting & Detecting
Underground Blasting at a Gold Mine. '3...2...1...Fire in the Hole!'
June 2023 by John Norman
Return to Green Valley
How Should I Work This Prospect?
How big is the deposit? Are there boulders you will need to move? Do you just want to recover the nuggets or do you think there is good fine gold that you will also want to capture?
Think You Got It All? Guess Again!
May 2016Is your gold recovery actually 95%, 90%, or even a really poor 50%? If you are not testing to know what it really is, you just don’t know. Some do regular testing, but most do not.
Determining The Optimal Crushing Size for Gravity Recovery
It’s not easy to figure out what is best without testing, and so a certain level of confusion has developed about how small the ore ought to be crushed.
Hardrock 101
April 2023Scaling and Hazard Rock
Gleaning for Gold Part 2
September 2022"The practice of gleaning goes back thousands of years"
Summertime Gold Panning
I have smaller pans for cleaning black sand concentrates, big pans for taking large samples, pans with corners for pouring out materials, and pans with lots of special riffles. This variation is why I have so many pans—they each have their specialty.
Subscription Required:
The Idaho Gamble Part 2
• The April Fools Nugget
• Detecting the Hills of Hornitos
• Havin' Fun at the Uranium and Gold Mines
• Resource Maven Independent Analysis of the Resource Markets
Free:
The Bawl Mill
• Legislation and Regulation
• PLP Update
• ICMJ Visits Sonora, CA
