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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.Hardrock Detecting
A local mining company had been mining in the Circle mining district area creeks in interior Alaska for sixteen years. Using bulldozers, drag-lines, water pumps, and large sluicing plants, the owner-operator was very familiar with the geology...
Mining Stock Quotes & Mineral and Metal Prices
Platinum Placers and Nuggets
Sometimes a placer miner will find small bits and nuggets of metal associated with gold and other heavy minerals in his concentrates, which exhibits a silver-gray color rather than the normal tones of gold.
The Bawl Mill
• An idea that is overdue...
• Oh Lord, won’t you buy me a Mercedes Benz?
Small Miner Beats Forest Service in Court
Thomas Tierney has been a long-time subscriber to ICMJ’s Prospecting and Mining Journal and has read about the many battles between miners and overzealous regulators. Then he faced his own battle.
The Iola Mine Group, Montgomery County, North Carolina
The Iola mine group is made up of four once active gold mines, the Iola, Washington, Golconda and Uwarra gold mines. Although this group of mines were some of the most productive gold mines in North Carolina for a number of years, and according to published records, some of the best managed, they had a relatively short life span for reasons unknown.
Ask The Experts: Sulfides and fluxes
The concentrate is just the heaviest of the heavy minerals but some sulfides are sneaking in there also with the gold...
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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
