All Articles
Massive Sulfide Deposits in Oregon
October 2000 by Edgar B. Heylmun, PhD
This article deals with massive sulfide deposits in the Klamath Mountains of southwestern Oregon, but it applies to massive sulfides found in California as well.
A Modern Gold Rush In Sudan
A couple of months ago, folks on the US and Aussie online gold forums started noticing that GP4500 detectors (Minelab’s top of the line gold unit) were selling used for prices significantly more than they cost new!
Prospecting Australia—Part I
The call of gold is a strong one and it has pulled men from every corner of the planet. That said, I guess it’s now my turn to chase far away gold.
Melman on Gold & Silver
What a disappointment! Just when things were beginning to get really interesting and both parties had seemingly hotly contested races for the presidential nominations, both Senators involved promptly said, "I quit!," took their bat and ball and headed home!
Remote Throttle Benefits Dredgers
I had been waiting my turn somewhat patiently to spend an afternoon at Terry Stapp’s workshop in San Bernardino, California, to build a remote throttle for my dredge engine.
Using A Trommel For Placer Processing
The behavior of a trommel is dependent on how it is designed and set up. Important design characteristics include feed rates, screen perforation sizes, cylinder size, rotation speed and incline.
Ask The Experts: Bench Top Crushers
... there was a picture of a small rock crusher you have, and I was wondering if it’s one that is still available...
New Rules For Taxing Pass-Through Income
...the tax rate for an incorporated, small-scale mine or mining-related business will be reduced from the former 35 percent rate to 21 percent for the 2018 tax year and thereafter.
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The Bawl Mill
• A Word from the Editor
• Under the Guise of Environmental Protection—EPA Revealed
• The Centennial Lode and the Centennial Ridge District, Wyoming
• Company Notes
• Picks & Pans—In Search of Nome Creek Gold
• Recreational Dredging on the South Yuba River
• The Trapiches of Chile
• Tales of Liberty Gold
• Drywashing Alluvial Placers
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
