Commercial Placer Mining With Jigs
August 2010 by Chris RalphDuring the upward stroke, water is pushed up through the shot layer causing it to open up and lifting the gravel particles above. The heavier particles settle faster based on Stokes law, and move down into the shot bed layer, while the lighter...
China is an enormous country, behind only Russia, the United States (incl. Alaska), and Canada in size. It has a teeming population of 1.3 billion, far ahead of any other nation. Most of the population is jammed into the eastern half of China, with the western half being only sparsely inhabited. There are 5 western provinces...
Why, if America’s economic performance is advancing steadily…are two especially sensitive and widely-used commodities performing so poorly?
Officials for the largest gold producing company in the world claimed a significant legal victory over environmentalists who they accused of abusing the appeals process to thwart mining in Nevada.
I hope long-term readers would agree that while your columnist does occasionally carry some arguments to an extreme length, I usually stay within the bounds of reason. I am pointing this out because I was struck by an economic vision a few days ago that could test those bounds.
There’s a lot of really great prospecting equipment on the market right now, and I have to admit I’ve spent my share of money over the years investing in dredges, drywashers, metal detectors and the like. But a lot of new folks just getting into...
Whether to buy or lease is a question facing many small-scale operators and prospectors even as credit becomes more readily available. While there is no one correct answer that fits every mining operation or business, compared to the simplicity of buying, leasing is far more complicated and may be getting more complex.
The Bawl Mill • Legislative and Regulatory Update • Ask The Experts: Bench Top Crushers • Ask The Experts: How to remove precious metals from lead? • How to Properly Ground Balance to Find the Most Gold • Authorities Search for Lost Treasure Hunters • Alaska Geologist Survives Grizzly Attack • The Guaniamo Diamond Area, Venezuela—Part II • How California Became the Golden State • The Rocky Bar Mining District, Idaho • Mining Stock Quotes, Mineral & Metal Prices