All Articles
Turquoise Mining—Labor Intensive, But Worthwhile
June 2005 by Chris Ralph
For many years, the US had a historical tradition of small-scale mining. Individuals or small groups of miners would spend part of the year working the higher-grade sections of old mines and ship the high-grade ore to smelters or...
Additional articles that might interest you...
The Amazing Mineral Tourmaline
December 2013
It is a gemstone, and yet it is also closely associated with many types of metal ores. It's valuable itself but often points toward other valuable minerals—that is certainly something prospectors want to know more about!
It is a gemstone, and yet it is also closely associated with many types of metal ores. It's valuable itself but often points toward other valuable minerals—that is certainly something prospectors want to know more about!
Miners Still Waiting for Bonding Recommendations from DOI
June 2003
Bonding regulation changes went into effect in December 2001, requiring many small miners who had been operating under a Notice of Intent to obtain bonding for their operations.
Bonding regulation changes went into effect in December 2001, requiring many small miners who had been operating under a Notice of Intent to obtain bonding for their operations.
Looking Back
September 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.
Guest Editorial—Sentaor Craig of Idaho Looking Into MSHA Complaints
May 2000
Citations and fines were found to be arbitrary and capricious...
Citations and fines were found to be arbitrary and capricious...
Placer Gold in Idaho
October 2002
Idaho is situated in the Rocky Mountains except for the southern third, which encompasses the Snake River Plain and desert mountains to the south. Elevations range up to 12,662 feet at Mt. Borah, with annual precipitation varying from 8 inches in the south to over 60 inches in the central mountains.
Idaho is situated in the Rocky Mountains except for the southern third, which encompasses the Snake River Plain and desert mountains to the south. Elevations range up to 12,662 feet at Mt. Borah, with annual precipitation varying from 8 inches in the south to over 60 inches in the central mountains.
Pocket Gold in Gneiss
March 2004
Metamorphic rocks such as gneiss and schist are known for their pocket gold deposits. Such pockets may not be large enough for major mining operations, but may be very rewarding for individuals or small companies. Gold-bearing quartz veins may cut gneiss or schist, but often the veins parallel the bedding, or foliation. The origin of mineralized veins, which parallel the foliation, has been kicked around for years.
Metamorphic rocks such as gneiss and schist are known for their pocket gold deposits. Such pockets may not be large enough for major mining operations, but may be very rewarding for individuals or small companies. Gold-bearing quartz veins may cut gneiss or schist, but often the veins parallel the bedding, or foliation. The origin of mineralized veins, which parallel the foliation, has been kicked around for years.
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