Prospecting & Detecting
Using Vegetation and Soil Conditions as Prospecting Aids
January 2013 by Jim Halloran
Wouldn’t it be great if you could know if there is gold in the ground without setting foot on the ground? Well you can, to a certain extent, if you can recognize mined ground from unmined.Divide and Conquer—Detecting Old Placer Grounds with Friends
![](http://www.icmj.com/userfiles/images/201402/TOC-divide-and-conquer.jpg)
Prospecting for Pegmatites
![](http://www.icmj.com/userfiles/images/201507/52-prospecting-for-pegmatites.jpg)
Getting Into Hot Water While Reclamation Dredging
Once I started dredging with heated water pumped into my wetsuit, I never went back to not having heat except late in the summer when the water is very warm.
Placer Gold Deposits in the Western States
…to see the huge differences between the gold production amounts of the Western States, let’s look at the gold production—both hard rock and placer—of these 13 states up to the present.
Prospecting Underground: Use Caution
In underground placer work, the contact point of the bedrock tunnel and the gravel is a very weak point and always has to be timbered. The bedrock here is thin, fractured, and the gravels loose from many years of oxidizing.
Prospecting Tales: Forest Service, Fires and Bears—Oh My!
I woke up on Sunday morning, August 10, to heavy smoke. I saw where it was coming from, but it seemed like it was a long way off so I thought I was okay for the time being.
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