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...
The Hunch
The mysteries of this spot were only just starting to develop. There is nothing but very bland granite-type rocks here, meaning no bold, favorable indicators.
One Potato, Two Potato...
Normally the detector he was using would sound off with a definitive high-to-low tone when passed over a piece of gold, which distinguished the gold from the many high iron content "hot rocks," but this one was different...
Prospecting Australia—Part III Anatomy of a Nugget Patch in Western Australia
One of the most memorable nuggets I found in Australia was detected on the very last day that I was out prospecting. I was going along swinging my coil and I came across a blaring loud signal that almost blew my ears off.
Placers Directly Associated with Lode Deposits
Placers that are directly associated with lode deposits are sometimes overlooked and may have good potential for those who are willing to search for them.
Pot Hole Gold
It was early in the 2008 season on the Mokelumne River near Pine Grove, California. Considering the potential for high water through the month of June, my wife Fran and I set our sights on investigating some of the pot holes in...
More about Indicators
April 2023Mining Journal Receives Honor
For the 20th consecutive year, ICMJ’s Prospecting and Mining Journal was voted “Prospecting Magazine of the Year”...
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The Bawl Mill
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• Gold Rush in the Congo—Part II
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• Ancient River Channels of Trinity County
• Which Nugget Detector Should I Get?
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• Spanish Gold Ledge Still Producing Gold
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