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.
House Chair Requests Records on Forest Decision
House Resources Chairman Don Young is asking the White House and Agriculture Department for records related to President Clinton's decision to place 40 million acres of remote, federal forest land off-limits for development.
East Coast Dredger Heads West—Part III
There was an outcropping of exposed bedrock on the bank, and it again resurfaced in the river about 25’ away. I decided to start a hole near that exposed bedrock, and pointed the nozzle down into the sand and cobbles.
Prospecting on Pickering Bar
On Saturday, January 27, 2007, six of us began a trip to Pickering Bar on the North Fork of the American River. It was 7:30 am and we had our engines running to begin the first leg of our two and a half hour trip to get there.
Legislative and Regulatory Update
• Environmentalists are missing a golden opportunity
• Special-use authorization not needed
Mineralized Faults and Contacts in the Search for Gold
Fault zones and rock contacts are important because the vast majority of gold and silver deposits, as well as those of many other metals, are formed by hot, mineralized water solutions.Avino’s Durango Project
Mining has been a mainstay of the Durango economy for generations. It was mining, beginning with the discovery of what later became the Avino Mine in the sixteenth century by Juan de Tolosa of the Spanish Army, which formed the basis...
Rare Silver Nuggets And Their Origins
Silver nuggets have been described as “ultra-rare,” “prized” and “unique.” Naturally occurring silver nuggets are rare enough to suggest caution when purchasing. Fakes have reportedly been produced and misrepresented for sale as genuine specimens.
Subscription Required:
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
