Prospecting & Detecting
Excavator Testing Wet Placer Ground
April 2013 by Jim Halloran
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.Customizing Your Dredge
I am going to suggest dozens of ways you can increase suction power, dredge to greater depths, and improve recovery methods in your sluice box.
Achieving Accurate Metal Detector Discrimination
Your odds of going home with gold will be higher using the discrimination mode, even if you might have misread one of the targets you rejected.
A Good Start
We split up in order to cover a larger area and found good color almost everywhere. The bedrock was shallow on both sides of the river, but the inside bend was where we concentrated our prospecting.
Detecting 'New Again' Spots
Over the years I have a long list on my computer and in my head of places to detect. Combining newer detectors with old and proven sites has become a blessing for my friends and me.
Montana Gold and Sapphires Revisited
I had a chance to visit the operation in person and talk with Neal. I was very impressed and I think our readers could learn a lot about building up a commercial placer operation from scratch…
My Great Nevada Adventure
…with renewed determination and a belief in success, I did finally find a nugget. It was there waiting under a bush not 50 feet from my truck.Critical Minerals: Titanium—Part II
There are both hard rock and beach sand types of titanium deposits, but the hard rock deposits need to be at least 10 percent titanium while the beach sands often are economic with only two or three percent titanium.
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The Bawl Mill
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• Hard Rock Milling: A Matter of Scale
• Paperwork Guy—A Cautionary Tale
• ICMJ Online Forum Now Available
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• Selenium, Mercury and Suction Dredging—Studies Contradict CA State Water Resources Board
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
