All Articles
Small Mine Selective Blasting
January 2000 by Dr. Ralph E. Pray
Drill holes in a mineralized vein often penetrate hidden layers of poor ore which, after blasting, end up diluting the production quality. Disseminated gold ores carrying two ounces per ton may be identical in appearance to adjacent vein material...
Dry Placers in Southern Baja
The southern tip of Baja California is dominated by the Sierra de la Laguna, a 70-mile-long mountain range that reaches elevations of 7,095 feet. The range is also known as the Sierra de la Victoria.
Junior Miners and Investors Gather in Canada
Two landmark golden gatherings took place in Vancouver, British Columbia near the end of January, and while they both related to the world of gold, they each had a completely different emphasis.
Mining Journal Receives Honor
For the 20th consecutive year, ICMJ’s Prospecting and Mining Journal was voted “Prospecting Magazine of the Year”...
Increase in Silver Demand by Photography Industry
Washington—The use of silver by the photographic industry worldwide is projected to increase 10 percent over the next five years for photographic applications ranging from amateur snapshots to medical X-rays and motion pictures, according to a new report published in the Silver Institute's Silver News.
The Bawl Mill
- Prospector banned from college campus
- Early retirement...
Picks & Pans: Mining Tungsten Ore—A Case History
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...
Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Subscription Required:
The Bawl Mill
• Over the Divide
• Our Readers Say
• Letter from the Editor to our Readers and Advertisers
• Administration Considers Bypassing Congress
• First Woman to Draw Mining Pension
• Mohave Mountain Placers, Arizona
• High Court to Reconsider Wilderness Water Rights
• Sixteen to One Takes on MSHA
• Picks & Pans: Gold Mining on Joie Osgood Ranch
• Gold
• Company Notes
• Millie's Tailings
• Placer PGMs in Alaska
• Mogollon—New Mexico's Remote Gold Camp
• ICMJ 9th Annual Photo Contest Results
• The Other Minerals of Mt. Diablo
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
• Looking Back
