All Articles
Metal-Mineral Identification Utilizing a Detector
November 2005 by Jim Straight
Seldom is a metal detector used for ore sampling today. Nevertheless, this procedure still works as all BFO and VLF detectors have a non-conductive mineral zone and a conductive metal zone with a neutral null zone between them.
Additional articles that might interest you...
The Significance of Boulders in Placer Deposits
February 2010
The good news about boulders is they can trap heavy minerals. The bad news is moving them out of the way can be a real struggle.
The good news about boulders is they can trap heavy minerals. The bad news is moving them out of the way can be a real struggle.
All About Quartz—Part I
May 2013
One of the first minerals most prospectors learn to recognize is quartz, because, in the right circumstances, it can be an excellent indicator mineral for prospectors. Quartz is common, easy to identify, and is often associated with gold and other valuable metal deposits.
One of the first minerals most prospectors learn to recognize is quartz, because, in the right circumstances, it can be an excellent indicator mineral for prospectors. Quartz is common, easy to identify, and is often associated with gold and other valuable metal deposits.
Mongolia Tax May Chase Off Investment
June 2006
The gold and copper deposits at Oyu Tolgoi, or “Turquoise Hill,” are among the largest ever found and could give impoverished Mongolia its biggest boost since it abandoned communism 15 years ago—if the Mongolians can figure out how to profit from it.
The gold and copper deposits at Oyu Tolgoi, or “Turquoise Hill,” are among the largest ever found and could give impoverished Mongolia its biggest boost since it abandoned communism 15 years ago—if the Mongolians can figure out how to profit from it.
Know Your District
December 2010
We have to remember that the earliest miners were not geologists, but came from a variety of backgrounds. Their survival depended on finding enough gold so they worked hard and adapted to whatever challenges these new areas presented.
We have to remember that the earliest miners were not geologists, but came from a variety of backgrounds. Their survival depended on finding enough gold so they worked hard and adapted to whatever challenges these new areas presented.
Tales of California Gold Discoveries 1st in a Series—Yankee Jim's
September 2005
Most everyone has heard the term “gold is where you find it’” and probably have read how James Marshall, in 1848, while inspecting the mill-race ditch that had been dug to supply water for the saws at the sawmill that he was building for John Sutter, ended up finding the first pieces of gold within the ditch along the South Fork of the American River...
Most everyone has heard the term “gold is where you find it’” and probably have read how James Marshall, in 1848, while inspecting the mill-race ditch that had been dug to supply water for the saws at the sawmill that he was building for John Sutter, ended up finding the first pieces of gold within the ditch along the South Fork of the American River...
Looking Back
July 2007
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
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The Bawl Mill
• The Price of Gold—Where It’s Headed and Why
• Mining Companies Competing for Labor
• Sam, the Tenderfoot Prospector
• Placer Gold in Russia
• The Rampart Goldfields, Alaska
• Tales of California Gold Discoveries 3rd in a Series—Bloody Nick The Miner
• Company Notes
• Miners Rally Successful
• Venezuela’s Chavez Halts Mining Projects
• Mining Stock Quotes and Mineral & Metal Prices
• Looking Back
• Melman on Gold & Silver
• Montana Lawmakers Want Economic Review of New Mining Rule
