All Articles
Picks & Pans: Mining Tungsten Ore—A Case History
May 2002 by Dr. Ralph E. Pray
In 1977, when the price of tungsten hit one of its highs, three of us formed U.S. Western Mines to look for scheelite, the mineral ore of tungsten. Union Carbide Corporation was purchasing raw tungsten ore at...
Additional articles that might interest you...
California State and US National Panning Championships
November 2014
Over 200 panners competed in this two-day event to decide who was the best of the best.
Over 200 panners competed in this two-day event to decide who was the best of the best.
Legislative and Regulatory Update
April 2001
• Submit your comments now regarding BLM's plan to increase fees
• Jumping fron wins federal habitat protection
• NMA challenges "midnight" water regulation
• Submit your comments now regarding BLM's plan to increase fees
• Jumping fron wins federal habitat protection
• NMA challenges "midnight" water regulation
Mining Stock Quotes and Mineral & Metal Prices
September 2005
Melman on Gold & Silver
November 2010
Gold’s greatest previous bull market took place in 1977-1980 amidst currency instability, and we cannot help but note the similarities between the present and that past era.
Gold’s greatest previous bull market took place in 1977-1980 amidst currency instability, and we cannot help but note the similarities between the present and that past era.
A Rich Gold Strike at Scossa
January 2002
The old mining camp of Scossa, in Pershing County, Nevada, was located 6 miles from the nearby ghost camp of Rosebud and approximately 20 miles northeast of the once famous mining town of Seven Troughs. Fifty- two-year-old Charlie Scossa was already a seasoned prospector from California when he went in search of another rich strike in the high deserts of northwestern Nevada in 1930.
The old mining camp of Scossa, in Pershing County, Nevada, was located 6 miles from the nearby ghost camp of Rosebud and approximately 20 miles northeast of the once famous mining town of Seven Troughs. Fifty- two-year-old Charlie Scossa was already a seasoned prospector from California when he went in search of another rich strike in the high deserts of northwestern Nevada in 1930.
How PGMs Affect Assay Beads
September 2001
Most fire assayers are trained to observe the cupelled beads very carefully, noting any discoloring or surface roughness that might indicate that one or more of the platinum group metals (PGMs) are present. The “clues and tests” I have included in this article stem from several sources, including my 35 years of experience performing torch assays...
Most fire assayers are trained to observe the cupelled beads very carefully, noting any discoloring or surface roughness that might indicate that one or more of the platinum group metals (PGMs) are present. The “clues and tests” I have included in this article stem from several sources, including my 35 years of experience performing torch assays...
The Federal Land Survey System
March 1999
When the thirteen original colonies were laid out in what is now part of the United States, they used the English system of metes and bounds.
When the thirteen original colonies were laid out in what is now part of the United States, they used the English system of metes and bounds.
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