Prospecting & Detecting
Revisiting Old Haunts
October 2019 by Chris Ralph
I had some success following this premise this summer, finding a few nuggets in places I think I overlooked in the past.
21st Century American Gold Rush: Rare Earth Elements
The burning question I needed answered was why didn’t the deposit ever get mined of at least one of the valuable minerals? A couple of reasons have come to light.
The PIGMI—a DIY Crevice Tool
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.
Diamond Prospecting in Indiana
My first personal experience with placer diamonds was on a gold prospecting trip in Indiana about 8 years ago, when a fellow prospector was cleaning his gold concentrates.
Determining The Optimal Crushing Size for Gravity Recovery
It’s not easy to figure out what is best without testing, and so a certain level of confusion has developed about how small the ore ought to be crushed.
Mother Lode Leaf Gold
After removing about six inches of dirt and cobbles, the sound was a bit more recognizable. I was now confident that there was a definite target and not just a ground noise.
A Golden Vacation
Each day for the first part of the week my boys and I picked and chipped away at that wall, stockpiling dirt in 5-gallon buckets and cement mixing tubs.
Metal Detecting Old Hard Rock Mine Dumps
The type of mine dump that is best for metal detecting are the ones that consist of mixed sizes of rock and are located near some sort of excavation, commonly a shaft or adit. Sometimes the piles located along a trench dug by the miners can be productive as well.
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The Bawl Mill
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• Green Valley's Fine Gold Patch
• Hard Rock and Placer Gold of Manhattan, Nevada
• Gold Prospecting for Better or Worse: Powerless
• How to Refine Silver—Pt II
• Where to Start: Advice for the Beginning Detectorist
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
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