Prospecting & Detecting
Confluence Placers
June 2013 by Jim Halloran
Confluences of placer streams are well known as concentration sites for heavy minerals. The basic reason is that...
Our 29-Troy-Ounce Golden Blessing
I picked up a noticeably heavy, fist-sized chunk of what I thought was a heavy piece of iron. After wiping some of the dirt and clay off, I still didn't know what on earth this object was.
Hit the Slopes to Find More Gold
Watching for these areas is one of my primary targets during the winter. It doesn’t take but a few inches of the surface moving away to give a fantastic target response that you didn’t hear prior to the washing of the surface.
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.
Big Rock Gold
Fran, and I had made a practice of turning big boulders in gold producing areas to find some great rewards. Sometimes it was slow and frustrating, but in the end “We got the gold!”
Buyer Beware! Counterfeit Metal Detectors
When I was recently in West Africa, I got to see and play with my first, phony, Chinese knock-off metal detector.
The "Madonna Nugget"—A Weekend Hunt to Remember
I worked my way to a flat area along a ridge where I could see a quartz blowout. As I got within 100 feet of it, I started seeing rock that I knew to be associated with gold.
Mining Pegmatite Deposits
With successively lower temperatures as the water mixture cools, new sets of minerals are formed and many of those stable at a higher degree of heat became subject to alteration as the temperature progressively moved lower.
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The Bawl Mill
• Breaking Rock the Old School Way
• My Lucky Month of March
• Gold Rush in the Congo—Part II
• A Journey Into the Silver Peak Range
• Ancient River Channels of Trinity County
• Which Nugget Detector Should I Get?
• Liberty and the Phoenix Mine
• Spanish Gold Ledge Still Producing Gold
• Nevada Mining Tax Cap Repeal Clears Committee
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
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• The Birimian Greenstone Belts of West Africa
