Prospecting & Detecting
Proper Assaying of Placer Samples
November 2012 by Jim Halloran
The whole purpose of sampling mineralized ground is to measure the values in a small volume of material that would be representative of a much larger volume of similar material. The key word is representative. Chemical and fire assaying will not accurately represent placer deposits by themselves.Additional articles that might interest you...
Ophir—Possibly the Best Kept Secret in Alaska—Part II
December 2013
I knew the nuggets got into the nugget patch somehow, I just had to figure out how and from what direction they came.
I knew the nuggets got into the nugget patch somehow, I just had to figure out how and from what direction they came.
A Few Tips and Tricks for Beach Mining
June 2015
When you think about the extremes to which a miner will go to get a little gold, it occurred to me beach gold could be "easy pickings."
When you think about the extremes to which a miner will go to get a little gold, it occurred to me beach gold could be "easy pickings."
Using Sucker Guns to Find Gold
November 2013
...if you have a good, rich spot, hand-operated systems can produce some decent gold.
...if you have a good, rich spot, hand-operated systems can produce some decent gold.
Hunting for Hardrock: The Basics
December 2013
Exposed veins and outcroppings can be a great source for gathering good gold ore for processing. Veins and outcroppings do require a lot of work to free the ore from its earthen grip, but this labor can be very rewarding.
Exposed veins and outcroppings can be a great source for gathering good gold ore for processing. Veins and outcroppings do require a lot of work to free the ore from its earthen grip, but this labor can be very rewarding.
A Trip to Morgan-Monroe State Forest of Indiana
October 2014
Some experienced panners with the vigor and longevity to spend a full day panning in the small creeks and ravines can possibly find as much as a gram or more on a good day.
Some experienced panners with the vigor and longevity to spend a full day panning in the small creeks and ravines can possibly find as much as a gram or more on a good day.
WWII Vet & Prospector Still Going Strong
July 2011
Lately I’ve been having success utilizing two types of detectors in succession. The first is a pulse induction (PI) detector with a blanket-style antennae, and I follow it up with a very low frequency (VLF) detector.
Lately I’ve been having success utilizing two types of detectors in succession. The first is a pulse induction (PI) detector with a blanket-style antennae, and I follow it up with a very low frequency (VLF) detector.
Hidden Value in Old Tailings
March 2014
The 15 rare earth elements were discovered long after the gold rush began to wane, but demand for them only took off over the past 10 years...
The 15 rare earth elements were discovered long after the gold rush began to wane, but demand for them only took off over the past 10 years...
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• The Portable XRF Gun
• Gold Dredging on Oregon's South Umpqua
• The Struggle to Reopen Alaska's Largest Gold Mine
• Prospecting With a Detector: Lessons Learned
• The Rush to Treasure Hill
• Tips on Crevicing for Gold
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