How To
Ask The Experts
May 2016 by Chris Ralph
• How small should I crush my hard rock ore?
Excavator Testing Wet Placer Ground
The excavator or backhoe has become the tool of choice for testing placer ground. These machines are the best way to explore and sample a placer deposit if the ground is not too wet or frozen and bedrock is not beyond the reach of the machine.
How to Upgrade Your Pocket Plunger
These three simple upgrades, when taken together, will considerably increase a pocket plunger’s magnetic pull and make it less susceptible to breakage.
Iron Minerals, Your Detector and Gold
It’s worthwhile for the prospector using a metal detector to know a little bit more about the association of iron and gold as well as how iron minerals affect your metal detector.
Hard Rock 101: Advanced Micro Blasting
They… create negligible fumes and much less fly rock than blasting. Below are some tips on maximizing your effectiveness with these tools.
Ask The Experts
Designing my own dredge...
How Long Does It Take to Find and Recover An Ounce of Gold?
Some ask if a prospector can collect an entire ounce in a day. It is possible; I’ve done it before.
Sampling for Success—Part II
The first and most important thing of the sampling process is to try to be as unbiased as possible. There is a natural tendency to select rock that looks the best—even unconsciously.
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