June 2016 (Vol. 85, No. 10) $3.75
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The Bawl Mill
• EPA backs down in Wyoming
• UN Chairman took on more than a mission -
Ask The Experts
Q: How do I improve my small-scale mining operation’s gold production? -
Detectors: Past, Present and Future
Detectors were invented long before I was born, but it was in the 1960s when they started to become an item popular enough to power a fledgling industry. The key development was miniature transistor technology replacing the old fashioned tube technology of the 1950s, making lightweight, affordable detectors possible. -
The Heavy Minerals in Your Concentrates
The fact that mineral deposits can contribute specific types of heavy minerals is why the analysis of the heavy mineral concentrates in the streams of an area can be an important prospecting technique for finding undiscovered mineral deposits. -
MMAC & PLP Update
Each separate Mining District is a federally recognized entity. There are huge advantages—picture yourself going to an oversight meeting where 2, 3, 4, or even more Mining District representatives have obtained voting positions on the board. -
Pocket Gold
Once a seam is found it can be traced for miles in either direction. While you are tracing a clay line, you are looking for indicators. The indicators that I look for are ironstone, hematite, different color clays intermingled with the clay line, and a very iron-rich, brown gritty soil. -
Critical Metals: Antimony
I’ve been taking a look at the mining and uses of a number of critical metals in series of articles, and it’s time to take a look at antimony. -
Care and Lubrication of a Model 13 Laboratory Wilfley Table
A Wilfley table works best when all of the mineral being run across it (the pulp) is about the same size. For this reason, I took a good look at each of the samples. -
Mining Districts: A Short Review of Legal Authorities
Mining Districts are the private regulatory authority granted by Congress recognized to regulate the mineral lands held by the United States and for the disposal to citizens of the United States, by means of development and potentially perfected by patent.
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Melman on Gold & Silver
Another area of growing international concern for business and industry is the recent astonishing proliferation of new government regulations and laws. Despite the presumably good intentions behind these measures it is now becoming apparent that they are imposing true costs to our economic society. The sheer variety of these laws and regulations is mind-boggling.