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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.'Outer Space' Diamond Headed for Auction
Black diamonds, also known as carbonado, are extremely rare, and are found naturally only in Brazil and Central Africa. The cosmic origin theory is based on their carbon isotopes and high hydrogen content.
Out of the Ashes—New Access to Gold
As I arrived at my detecting location, I got all my gear and headed up the trail. I had to stop and take in the devastation all around me.
A Profitable Approach—Financing Mineral Exploration With Oil & Gas Projects
Not too many years ago, junior mining companies most frequently limited their activities to exploring and pre-developing their mining properties.
The Bawl Mill
• What comes around goes around...
• Bombs away for Texas nuclear materials inspection
Gold Hill, Utah
The Gold Hill (Clifton) mining district is located 162 miles, by road, west of Salt Lake City. All but the last 12 miles of road is paved. The settlement of Gold Hill (pop. 10) lies at an elevation of 5,321 feet in desert mountains, the highest of which, Dutch Mountain, is 7,800 feet above sea level. Ponderosa pine grows at the highest elevations, with a zone of pinyons and junipers below that.
Miners: Plan Ahead for Next Year's Taxes
Many well-equipped prospecting or mining operations, those with adequate, up-to-date equipment, have discovered a secret: Uncle Sam, in the form of our tax laws, is eager to pick-up a portion of the tab for acquiring and modernizing the equipment necessary to operate a successful mining operation business.
Picks & Pans: Koyukuk River Gold—Prospecting Alaska's Brooks Range
The water rose up in a great splash around the front of the pickup. The tires smashed into a couple of large boulders and suddenly the truck nosed down into a deep hole and bounced back out as I stepped on the gas pedal.
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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
