Prospecting & Detecting
Pot Hole Gold
January 2012 by Tom Leftwich
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...
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Ask The Experts
March 2016
Can a metal detector be used to find limonitic gossan material?
Can a metal detector be used to find limonitic gossan material?
A Few Thoughts About Successful Nugget Hunting
November 2013
...I got the faintest of rises in the threshold. It was hardly a signal at all, and I thought it was one of the many, deep, hot rocks in the area.
...I got the faintest of rises in the threshold. It was hardly a signal at all, and I thought it was one of the many, deep, hot rocks in the area.
The Unusual Forest Nugget Patch
October 2018
This is the story of a nugget patch I’ve been working on that is a bit unusual. I won’t be telling you where it is located, but I will tell you how I found it and how I’ve worked it.
Tucson Show Marketing
May 2012
Normally we do not cover gem and mineral shows, but this one is a little different. The Tucson (Arizona) Gem and Mineral show is the sales source for so many small mining operations, I felt I had to address this show and its possibilities for the small miner.
Normally we do not cover gem and mineral shows, but this one is a little different. The Tucson (Arizona) Gem and Mineral show is the sales source for so many small mining operations, I felt I had to address this show and its possibilities for the small miner.
Selenium, Mercury and Suction Dredging—Studies Contradict CA State Water Resources Board
April 2013
Federal and state regulatory agencies often cite mercury and methyl mercury in our waterways as a major factor for further restrictions on placer mining, and on suction gold dredge mining, in particular. However, these regulatory agencies are minimizing selenium and its neutralizing effects.
Federal and state regulatory agencies often cite mercury and methyl mercury in our waterways as a major factor for further restrictions on placer mining, and on suction gold dredge mining, in particular. However, these regulatory agencies are minimizing selenium and its neutralizing effects.
Detecting Alone -- What to Look For
October 2014
I figure there are a lot of new people out there who have the same question. I will try to give some answers that hopefully will give you more confidence in finding your own spots.
I figure there are a lot of new people out there who have the same question. I will try to give some answers that hopefully will give you more confidence in finding your own spots.
Ask The Experts
February 2016
Designing my own dredge...
Designing my own dredge...
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