Prospecting & Detecting
The PIGMI—a DIY Crevice Tool
April 2017 by Tom Leftwich
I’ve had great success using it to gather gold from crevices. I’d like to share the design with all of you gold miners reading this article and hope that you get as much satisfaction building and using it as I did.
Gold in the San Francisco District Oatman, Mohave County, Arizona
I suspect detailed geological mapping and prospecting would lead to discovery of one or more overlooked gold deposits in the district even though it has been heavily prospected in the past.
It's Hard to Find Gold!
...even the best prospectors have times when they do not find gold. It is all about taking chances against tough odds and succeeding.
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- Conversion charts and tables
- Solutions to anti-mining efforts
Using Countercurrent Material Flow to Improve Gold Recovery Efficiency
There is a material processing principle widely used in large milling operations to improve recovery that is poorly understood by most of the micro-mining and prospecting community...
A Model Mining Operation
After he excavates the ore down to bedrock, he goes over the bedrock with a metal detector to ensure he didn't leave any gold behind before he backfills the area.
Chasing Hard Rock Gold As A Placer Deposit
The question I had, and likely you have too, is when an old channel is cut, how far does the placer gold in the cut channel move down in a river or creek that continues to erode deeper and deeper?
How Rich Must My Ore Be?
How rich does a hard rock ore have to be for it to be worthwhile to process and extract the gold?
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