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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.Additional articles that might interest you...
Treasures for Sale
March 2000
A Wolfeboro company will sell portions of one of the most talked about treasures in American history.
A Wolfeboro company will sell portions of one of the most talked about treasures in American history.
The Big Gold Strike
September 2008
Jack had been taking a break while Roy was dredging and it was time for Jack to take over. He grabbed his hookah and weight belt, slipped underwater and headed for Roy’s location.
Jack had been taking a break while Roy was dredging and it was time for Jack to take over. He grabbed his hookah and weight belt, slipped underwater and headed for Roy’s location.
The Paragenesis of Gold & Silver Deposits
March 2015
…if you are game for digging in and learning more about the intricate details of how gold deposits form, then let’s jump right in.
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The History of Gold Mining in Sierra County
February 2010
There may be some truth to some of the fantastic claims. The Ruby Drift Mine near Forest City is where 159 nuggets were taken out between 1937 and 1942—a total of about 1,000 ounces with an estimated value of $1.5 million when gold was...
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Rio Employees Face Trade Secrets, Bribery Charges
September 2009
China has formally arrested four employees of Anglo-Australian mining giant Rio Tinto Ltd. on charges of infringing trade secrets and bribery...
China has formally arrested four employees of Anglo-Australian mining giant Rio Tinto Ltd. on charges of infringing trade secrets and bribery...
Siskiyou National Forest Update
July 2002
For the past two years, miners in southwest Oregon have been bombarded by one attack on mining after another.
For the past two years, miners in southwest Oregon have been bombarded by one attack on mining after another.
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