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.
Ask The Experts — Could you please write an article explaining core samples?
Q: How about an article on understanding core samples? I am getting emails from mining companies with core sample reports and I am not sure as to what I am reading!
Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Never Take Safety for Granted
In retrospect, I can now see that the thoughtless breaking of one of my safety rules regarding not dredging alone was to be a lesson I won’t soon forget.
Ask the Experts: Recommended Reading—Part I
We asked several writers and professionals to recommend their favorite books or publications that they thought would benefit prospectors and miners. Each recommendation is followed by a rating of beginner, intermediate, or advanced prospector or miner, or a rating of “general” (for all levels).
Mining Stock Quotes and Mineral & Metal Prices
Clean Fuel, Cleaner Air
A-55 Clean fuels, which are emulsions of oil and water, are said to produce much lower oxides of nitrogen and particulate matter emissions.
The Bawl Mill
• California Governor buys more votes
• The Bank of the EPA
• Just put it on my card
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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
