Prospecting & Detecting
Commercial Placer Mining: Alaska Style
September 2021 by Chris Ralph
There are currently about 170 commercial-scale placer operations in Alaska. Most of these are small operations with just a few people working; they are often family affairs that operate seasonally only during favorable weather.
A Few Tips and Tricks for Beach Mining

All About Quartz—Part II

A Trip to Morgan-Monroe State Forest of Indiana

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.
Proper Spacing of Placer Sample Sites
The zone of influence of each sample must be carefully considered when deciding how far sample sites should be spaced from each other.
The Half-Mile Claim
We dug and extracted for two more hours. This time, as I dumped the concentrates, I saw a piece of gold three-fourths of an inch long and as big around as a pencil.
Grizzly Flats, California—Another Mother Lode Gold Rush Town
We chatted for a bit and then we had to take off, but I kept what he said in the back of my mind as we rushed out to some other gold-bearing place in the Mother Lode to feed our gold fever.
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