Prospecting & Detecting
Placer Channel Sampling
July 2013 by Jim Halloran
Sampling gold placers can be rewarding, but remember to treat the samples so you are not high grading or low grading your results. Learn the rules and apply them so your samples are accurate.Underwater Reclamation
Working underwater certainly has its challenges, but since I wanted to learn how to blast underwater, I just needed to dive in headfirst and take charge of the operation.
Old Mine Sites and New Technology
We’ve had two trips to the deserts of Nevada and explored mines and mill sites, hiked miles of ravines in California, and swung our detector coils over thousands of square yards of bedrock.
Ask the Experts
Breaking cemented gravels
Third Largest Nugget in Existence Returns to Dallas
While the bullion value of the nugget is already substantial, the size and rarity of the Ausrox Nugget combine to make its worth invaluable in the collector market.
Grizzly Flats, California—Another Mother Lode Gold Rush Town
We chatted for a bit and then we had to take off, but I kept what he said in the back of my mind as we rushed out to some other gold-bearing place in the Mother Lode to feed our gold fever.
Proper Spacing of Placer Sample Sites
The zone of influence of each sample must be carefully considered when deciding how far sample sites should be spaced from each other.
Subscription Required:
The Bawl Mill
• Ask the Experts
• Ask the Experts
• The Birimian Greenstone Belts of West Africa
• Study Confirms Mercury Levels Safe in California's Gold Country
• All About Quartz—Part II
• The Pearce Mineralized Area, Dragoon Mountains, Arizona
• An Alaskan in the Lower 48
• Romancing the Rock
• The Oquirrh Mountains, Utah
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
• Record $11 Million Fine for California Mine
Free:
Legislative and Regulatory Update
• Backwards Find
• Balmoral Resources