All Articles
Sulfides, Selenides and Tellurides
June 2007 by Chris Ralph
The early day miners feared it, and it happened a lot more often than they would have liked: the easily worked rich surface ores they discovered gave way as they mined downward to a vein full of sulfides, base metals and other nasty, rebellious and...
Additional articles that might interest you...
A Practical Approach to Dowsing
June 2003
The use of dowsing methods to locate underground minerals and materials has been a rather delicate subject for some time. A certain stigma has been automatically attached to both the methods employed and the persons who use these techniques.
The use of dowsing methods to locate underground minerals and materials has been a rather delicate subject for some time. A certain stigma has been automatically attached to both the methods employed and the persons who use these techniques.
Legislative and Regulatory Update
October 2009
• Interior considers huge withdrawal in Arizona
• Travel Management Plans
• Roadless Rule has nine lives
• Interior considers huge withdrawal in Arizona
• Travel Management Plans
• Roadless Rule has nine lives
Gold Prospecting Is For Ladies, Too
April 2010
The large nugget just sat there and would not budge, mocking me as if to say, “I have been here for 3,000 years and I am not leaving.”
The large nugget just sat there and would not budge, mocking me as if to say, “I have been here for 3,000 years and I am not leaving.”
Potential Gold at Old Hydraulic Sites
October 2013
So why would a modern-day prospector want to learn about a method of mining that was banned by the courts more than a century ago?
So why would a modern-day prospector want to learn about a method of mining that was banned by the courts more than a century ago?
Strategic Metals—Part II
December 2013
There are literally thousands of abandoned wasterock and ore dumps that dot the United States that could hold many tones of strategic metals.
There are literally thousands of abandoned wasterock and ore dumps that dot the United States that could hold many tones of strategic metals.
The Amazing Mineral Tourmaline
December 2013
It is a gemstone, and yet it is also closely associated with many types of metal ores. It's valuable itself but often points toward other valuable minerals—that is certainly something prospectors want to know more about!
It is a gemstone, and yet it is also closely associated with many types of metal ores. It's valuable itself but often points toward other valuable minerals—that is certainly something prospectors want to know more about!
Heavy Glacial Rocks and Gold in the Midwest
December 2013
Over the years, I've noticed a pattern in the type of rocks associated with the best gold deposits in Midwestern glacial gravel.
Over the years, I've noticed a pattern in the type of rocks associated with the best gold deposits in Midwestern glacial gravel.
Subscription Required:
The Bawl Mill
• Ask the Experts—What is barite used for?
• Ask the Experts—Are you able to advise me on the status of HR3824?
• Our Readers Say
• Silver’s Shine is Back
• Rahall Looks to Rewrite 1872 Mining Law
• San Francisco Mint and US Gold Reserves
• Forest Service Attempts to Close Public Access
• Revisiting Commerce Resources—A Tantalum and Niobium Mining Project
• The Seventymile and American Creek Goldfields
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver







