Small Mining Operations
The Importance Of Mining Critical Minerals In The USA
March 2019 by Chris Ralph
Critical minerals are products that the government has designated as critical to our national interest because of both their potential military and industrial applications.
Good Research and Bad Luck
With every look at the box I was pulling out a few pickers and a nugget or two. The smile I had the previous night just got bigger and bigger throughout the day.
The Basics of Crushing and Milling Operations
In processing gold, silver and other valuable ores, the minerals containing the values, such as metallic gold, silver-bearing sulfides or other minerals, must be freed from the surrounding host rock before those valuable minerals can be captured.
The Fire Assay of Carbon
Carbon, activated charcoal, or “char,” as some old timers refer to it, can be an assayer’s nightmare.
Cyanide-Free Gold Separation
Some ores—mostly those with a high free gold content—are very amenable to gravity concentration. Well oxidized ores containing coarse gold are usually best for non-cyanide processes. Ores with significant sulfide content may require the...
Gold Dredging on Oregon's South Umpqua
Familiarizing oneself with an unfamiliar part of the country is often a requirement of successful gold prospecting. In the pursuit of gold, it may become necessary for a prospector to branch out into new hunting grounds.
Ask The Experts
Any good books on mineralized faults and contacts?
Good Assays and Bad
The high prices for gold and silver are exciting and certainly have revolutionized the prospecting and mining scene. New interest in gold and silver mining is springing up from every corner, from individual prospectors armed with gold pans to exploration and mining companies working to set up multimillion dollar commercial operations producing hundreds of thousands of ounces per year. The idea of getting riches from rocks is one that motivates a lot of folks all over the globe. It’s an exciting time, but this excitement brings out another side...
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The Bawl Mill
• Ask The Experts - Any references on gold formation?
• Ask The Experts - Finalizing an agreement with a mining company
• The Basics of Exploration Leases and Contracts—Part II
• Pumping Water With Solar Power
• My Introduction To Gold Prospecting
• Resurrecting An Old Hard Rock Mine—Safety Is No Accident
• Mining Claims: Breaking All The Commandments
• Gold Prospecting for Better or Worse: Gold Is Where You Find It
• Detecting for Gold: A Return to Familiar Ground
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
