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...
I Finally Made It to Northern Nevada
August 2014
After a while I got a very nice signal and out came a sweet kidney-shaped bit of gold weighing about three grams.
After a while I got a very nice signal and out came a sweet kidney-shaped bit of gold weighing about three grams.
Crushing Quartz in Calaveras County: A Placer Miner Learns New Tricks
June 2014
I had never run an impact mill before, but anything involving rocks, water and a big electric motor sounded great.
I had never run an impact mill before, but anything involving rocks, water and a big electric motor sounded great.
Key to Successful Prospecting: Confidence
May 2015
The one undeniable truth in prospecting is that the more time you spend in the field, the more gold you will find. Here are a few keys I use to help build my confidence.
The one undeniable truth in prospecting is that the more time you spend in the field, the more gold you will find. Here are a few keys I use to help build my confidence.
How to Stake Your Own Mining Claims—Part I
March 2016
Many new prospectors start out prospecting in public areas and club claims, and this is perfectly fine, but the next step in the progression of becoming an experienced prospector is to locate and stake your own mining claims.
Many new prospectors start out prospecting in public areas and club claims, and this is perfectly fine, but the next step in the progression of becoming an experienced prospector is to locate and stake your own mining claims. Prospecting Australia—Part III Anatomy of a Nugget Patch in Western Australia
December 2011
One of the most memorable nuggets I found in Australia was detected on the very last day that I was out prospecting. I was going along swinging my coil and I came across a blaring loud signal that almost blew my ears off.
One of the most memorable nuggets I found in Australia was detected on the very last day that I was out prospecting. I was going along swinging my coil and I came across a blaring loud signal that almost blew my ears off.
Detectors: Past, Present and Future
June 2016
Detectors were invented long before I was born, but it was in the 1960s when they started to become an item popular enough to power a fledgling industry. The key development was miniature transistor technology replacing the old fashioned tube technology of the 1950s, making lightweight, affordable detectors possible.
Detectors were invented long before I was born, but it was in the 1960s when they started to become an item popular enough to power a fledgling industry. The key development was miniature transistor technology replacing the old fashioned tube technology of the 1950s, making lightweight, affordable detectors possible.
Ask the Experts
February 2015
• Drones for the independent prospector
• Drones for the independent prospector
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The Bawl Mill
• Ask the Experts
• Ask the Experts
• Ask the Experts
• Ask the Experts
• 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
• Using Google Earth and Other Maps
• Mining, Health Care & Taxes
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
