History & Geology
Detecting for Gold in Australia—The Kimberley Trip
December 2010 by Jonathan Porter
The hair stood up on the back of my neck when I saw this, especially the nice patches of wash in the bottoms of the gullies, a sure sign of an auriferous source being nearby.
Sierra County Gold—Part I
...this county contained some of the richest placer ground found in all of California and still produces some pretty impressive finds to this day.
Gold in Tertiary Gravels
In some places, semi-continuous sections of riverbed can easily be linked in many places to identify the path of the ancient rivers.
Researching Mineralized Areas
There are a load of ways to do research, and I’m going to talk about how I do it—maybe you’ll get some ideas that will work for you, too.
All About Native Silver
Some of the wire forms are strange and fantastic, with wires sticking out in twisted, seemingly random directions. Others have deformed crystals and all of them have significant value to collectors.
Strategic Metals—Part II
There are literally thousands of abandoned wasterock and ore dumps that dot the United States that could hold many tones of strategic metals.
Ask The Experts
Gold in clastic black shale
Gold Deposition and Gradients of Placer Streams—Part I
When placer miners from the gold rush era began experimenting with the slope of their sluices, they must have pondered the ideal slope for trapping gold in a creek bed too. Logic suggests the same is true for streams...
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The Bawl Mill
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• Ask The Experts—Highbanker legal in CA?; Best place to sell raw gold?
• Ask The Experts—Using classifiers
• So, Where's The Gold?—Finding Gold Detectors Miss
• The Oregon Claim
• Forest Service v. Michael & Linda Backlund
• Highbanking on the Feather River
• CFTC Finds Evidence of Silver Market Manipulation
• Gold in Arizona
• Melman on Gold & Silver
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