All Articles
How PGMs Affect Assay Beads
September 2001 by Charles L. Butler
Most fire assayers are trained to observe the cupelled beads very carefully, noting any discoloring or surface roughness that might indicate that one or more of the platinum group metals (PGMs) are present. The “clues and tests” I have included in this article stem from several sources, including my 35 years of experience performing torch assays...Additional articles that might interest you...
The Bawl Mill
October 2001
Normally this spot is reserved for a little humor or diatribe about government abuse. In light of recent events, I don’t think it’s appropriate for this issue. Following are a few personal comments.
Normally this spot is reserved for a little humor or diatribe about government abuse. In light of recent events, I don’t think it’s appropriate for this issue. Following are a few personal comments.
Legislative and Regulatory Update
April 2013
• EPA investigated for environmental ties
• Hundreds of miners show up to rally at Oregon State Capitol
• DOI nominee would be bad for miners
• EPA investigated for environmental ties
• Hundreds of miners show up to rally at Oregon State Capitol
• DOI nominee would be bad for miners
Ex-MarketWatch Mining Promoter Settles Charges
February 2005
Thom Calandra, well known for promoting mining companies and precious metals through CBSMarketWatch.com for the past several years, will pay over $540,000 to settle charges he used his investment newsletter to profit from stocks that he owned.
Thom Calandra, well known for promoting mining companies and precious metals through CBSMarketWatch.com for the past several years, will pay over $540,000 to settle charges he used his investment newsletter to profit from stocks that he owned.
A New Method for Handling Stubborn Gravity Middlings
July 2016
The solution focused on the relative difference in malleability between gold and waste, rather than the difference in density exploited by gravity circuits.
The solution focused on the relative difference in malleability between gold and waste, rather than the difference in density exploited by gravity circuits.
Explosives Camp Lets Students Explore Booming Career Path
September 2005
Ahhh, summer camp. Lazy days frolicking at the pool. Meeting new friends and swapping stories around the campfire. Slicing steel I-beams and concrete pillars and blowing them apart with C4 high explosives.
Ahhh, summer camp. Lazy days frolicking at the pool. Meeting new friends and swapping stories around the campfire. Slicing steel I-beams and concrete pillars and blowing them apart with C4 high explosives.
Melman on Gold & Silver
May 2012
Just as we were sitting down to write this column, a political bombshell was released when Rick Santorum announced he was terminating his efforts to win the Republican Presidential nomination, virtually assuring the nomination will be to Mitt Romney. The remaining candidates, Ron Paul and Newt Gingrich appear to have no realistic chances.
Just as we were sitting down to write this column, a political bombshell was released when Rick Santorum announced he was terminating his efforts to win the Republican Presidential nomination, virtually assuring the nomination will be to Mitt Romney. The remaining candidates, Ron Paul and Newt Gingrich appear to have no realistic chances.
How to Complete Assessment Work and Claim Maintenance
July 2009
To put yourself in the best position you need to be doing all your assessment work properly and filing the necessary paperwork in a timely manner. Most prospectors don’t know a lot about the details of doing assessment work...
To put yourself in the best position you need to be doing all your assessment work properly and filing the necessary paperwork in a timely manner. Most prospectors don’t know a lot about the details of doing assessment work...
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The Bawl Mill
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• Guest Editorial—Vertical Disintegration
• USGS Reports Increase of Imported Minerals
• The San Juan Mountains, Colorado
• A Silver Opportunity
• Gold in Virginia
• Picks & Pans: DEF Prospectors Rally Was a Huge Success
• News From GATA
• Our Nugget Shooting Adventure
• Fly Fishing the Mine Tailings/Headwaters of the Clark Fork, Montana
• Company Notes
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
