All Articles
Throw-Away Gold: Back to Basics
February 2002 by T.D. LaRune
Placer mining, whether for profit or recreational purposes, involves separation of free gold from the gold-bearing sands (gangue) of alluvial deposits by methods using specific gravity. The free gold can vary from 17 to 19.3 in specific gravity terms, depending on the alloy mix, which is usually silver, but can be copper, lead, sulfur, tellurium, antimony, or mercury.What's All This Talk About Mining Districts?
The main problem with the current scheme is that regulatory agencies often consult with you, then disregard your concerns and do what they want anyway.
Melman on Gold & Silver
While there may have been events of the past month that were more important, nothing captured the imagination of the nation and much of the world like the election of Arnold Schwarzenegger as California’s new governor-elect. After weeks of on again, off again judicial rulings and a campaign of astonishing muckraking and innuendo-laden accusations, he did indeed enjoy a resounding victory.
Over the Divide
Charles L. Butler
1920 - 2014
PLP Update
Public Lands for the People has established an online petition. We would like to gather thousands of signatures from across the country to show members of Congress that their constituents are supporting this legislation.
Heavy Sands Mining
Lately my mind has been involved with group 4 of the transition elements, namely titanium, zirconium, and hafnium. They all have similar chemical properties. Of greatest interest to economic geologists and miners is that these valuable elements often occur together in sands.
Finding Gold With Copper and Turquoise
The signs of copper, which the prospector most commonly sees in the field in outcrops and on the surface, are secondary minerals caused by the action of air and water on the original copper-bearing sulfides that were deposited deep...
Oregon Miner Challenges Forest Service’s Authority to Regulate Mining
Judging by news accounts, Tracy was doing exactly what H.R. 365, commonly referred to as the Mining Act of 1866, allows him to do.
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The Bawl Mill
• Federal and State Biologists Accused of Planting Evidence
• Placer Gold in New Mexico
• Mining Deaths Drop to New Low in 2001
• Prospecting for Meteorites with a Metal Detector
• Aussie Gold—A Look at Victoria
• The Rand of South Africa
• Picks & Pans: Arizona Desert Drywashing Adventure
• 2001 World Gold Panning Championships
• Placer Gold Near Fairbanks, Alaska
• The "Drumstick"
• Company Notes
• Editorial
• Looking Back
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
