All Articles
Placer Testing with Large Samples
June 2000 by Dr. Ralph E. Pray
Of all the difficult gold placer sites to evaluate, none can compare with trying to dig to bedrock through twenty or thirty feet of soaked overburden through which water is slowly seeping downgrade.
Talking Metal Detectors with Brent Weaver of Garrett
… I recently had the opportunity to sit down with Brent Weaver, Garrett’s chief design engineer to talk about gold-oriented detectors, how they work and how prospectors can get the most out of them.
New Arsenic Study Supports Tougher Standards
A National Academy of Sciences report shows that the Environmental Protection Agency greatly underestimated the cancer risks of arsenic in drinking water, according to EPA officials and other environmental experts familiar with the report.
Record Those Indicators
October 2022Metal Detecting Tips & Tricks from the Pros
Gateway Gold and Jerritt Canyon
Northern Nevada is prime mining territory. In fact, no state has been as mining-friendly as the Silver State and, as a result, mining has made important contributions to that state’s economic development.
Melman on Gold & Silver
Several years ago one of the most important persons on the American political scene was Ross Perot, an independent candidate for President. His favorite campaign theme was railing against (NAFTA) and his claim was that...
Looking Back
Excerpts for CMJ published 50 years ago this month.
Ask the Experts
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The Bawl Mill
• Our Readers Say
• Guest Editorial—Unreasonable Interpretations
• Ruling Awards Giant Nugget to Finder
• Letter to the Editor
• Traditional Adversaries Reach Agreement
• The Gold Belts of Georgia
• Company Notes
• Gondwana Gold Gravels
• Quick Thinking & Rescue Devices Save Two Lives
• Picks & Pans: The Discovery Gulch Diggings
• Prospector Finds Cache of Emeralds in North Carolina
• My Old Carbide Lamp
• Melman on Gold & Silver
• Hands & Pans on the South Yuba River
• Permafrost Tunnel Shows Cross-sections of Past
• Mining Stock Quotes and Mineral & Metal Prices
