Prospecting & Detecting
Continuing Hard Rock Exploration
April 2014 by Don Robinson
We had been picking away at it, but the going was mightly slow. Why not use some explosives to advance a little quicker?
Crushing Quartz in Calaveras County: A Placer Miner Learns New Tricks
I had never run an impact mill before, but anything involving rocks, water and a big electric motor sounded great.
Prospecting on the North Yuba
The research I did for “Gold in the Slate Creek Basin” (September 2011 issue) found me chasing a channel out of the LaPorte territory headed towards the old mining town of Brandy City, California.
Fine Gold Panning Without Using Mercury
The technique I will describe is a much safer alternative and it works. It’s a fine-gold panning technique that eliminates the need for mercury amalgamation of most placer samples.
Guinea Africa: Gold, Ebola, and A Monkey Barbecue
Doubters be informed, yes, there is gold in Africa—lots of gold—and all the good and bad that comes with it.
Potholes and Other Bedrock Traps
Potholes in bedrock can trap placer minerals and even be glory holes. They are, at least, interesting geologic phenomena, and at best, a treasure trove of gold nuggets.
The Value of Old Patches
Nuggets make for the best memories and this patch was just adding to mine. In the hours of daylight I had left, I worked from that nugget to the bottom of the patch, collecting eight more nuggets.
Getting Started
He excitedly told me he was going mining and wanted to know where he should go, how to do it, and so on. After he calmed down, I got excited. “I need to go!” was my response.
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