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The Old Mine Dump
June 2003 by June Schlosser
There is one special picnic table I fervently wish I had kept. This special table was literally on top of the world. Better yet, it was on the mine dump of the old, long-abandoned gold mines at Summitville, Colorado.Our Readers Say
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Gondwana Gold Gravels
The German scientist, Alfred Wegener, came out with his theory of "continental drift" in 1912. He was considered a crackpot and it was half a century before geologists and planetary scientists began to take a second look at his theory.
Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Digital Tools—The PC and GPS
More and more miners and prospectors are using personal computers and Global Positioning System Satellite receivers to satisfy the needs of vocations or hobbies.
Understanding Skim Bar Placers
Perhaps the most notable thing about skim placers is that they form on the top surface of gravel bars, as opposed to coarser gold placers where the weight of the gold particles allows the gold to settle down on or near bedrock.
Selecting a Gold Recovery System
Tabling and jigging are two relatively inexpensive methods of recovering the “free particle values” from the noble metal ores. However, not all ores contain their values as free particles. In fact, many gold ores contain appreciable amounts of “metallic gold salts,” some of which readily dissolve in the system water and continue to migrate right along with it.
Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
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• Using Mineral Deposit Models
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• The Lengendary Lost Gold of the Headless Valley
• Looking Back
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
