All Articles
Massive Sulfide Deposits in Oregon
October 2000 by Edgar B. Heylmun, PhD
This article deals with massive sulfide deposits in the Klamath Mountains of southwestern Oregon, but it applies to massive sulfides found in California as well.
Additional articles that might interest you...
The Bawl Mill
October 1999
• Some of us probably recall the saying "the fly in the ointment."...
• "You must be morons to send me this letter!"
• Worried about Y2K?—Trust in God and the FDIC...
• Some of us probably recall the saying "the fly in the ointment."...
• "You must be morons to send me this letter!"
• Worried about Y2K?—Trust in God and the FDIC...
Miners Discuss Struggles at NWMA
January 2009
Falling metal prices and rising production costs have squeezed profits in recent months, forcing many mine layoffs and putting some new mines on hold. Now, the industry is gearing up for another fight over mining reform legislation with a Congress that has fewer mining supporters after November’s elections that saw Democratic majorities increase in both houses.
Falling metal prices and rising production costs have squeezed profits in recent months, forcing many mine layoffs and putting some new mines on hold. Now, the industry is gearing up for another fight over mining reform legislation with a Congress that has fewer mining supporters after November’s elections that saw Democratic majorities increase in both houses.
Ask The Experts - Can you tell me anything about the Cherry Creek District in Nevada?
September 2018
Gold, Quartz & Chalcedony—Part II
November 2011
The specific gravity of chalcedony is 2.58 to 2.64. This is slightly lower than coarsely crystalline quartz because of slight porosity in chalcedony. Being so light, it will easily wash out of a gold pan.
The specific gravity of chalcedony is 2.58 to 2.64. This is slightly lower than coarsely crystalline quartz because of slight porosity in chalcedony. Being so light, it will easily wash out of a gold pan.
Melman on Gold & Silver
November 2014
I find it difficult to recall a period when the world has encountered so many simultaneous threats which “should” have driven gold and silver higher, and yet the precious metals markets—so far—have failed to rally to any significant extent.
I find it difficult to recall a period when the world has encountered so many simultaneous threats which “should” have driven gold and silver higher, and yet the precious metals markets—so far—have failed to rally to any significant extent.
Legislative and Regulatory Update
January 2011
• California suction dredgers had better prepare for battle
• California suction dredgers had better prepare for battle
Gold Placers of the Kenai Peninsula, Alaska
January 2014
The biggest obstacle is that like many streams on the Kenai Peninsula, high water during the summer months from snow melt and rain can make dredging nearly impossible. The best dredging is in the colder months of the year.
The biggest obstacle is that like many streams on the Kenai Peninsula, high water during the summer months from snow melt and rain can make dredging nearly impossible. The best dredging is in the colder months of the year.
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The Bawl Mill
• A Word from the Editor
• Under the Guise of Environmental Protection—EPA Revealed
• The Centennial Lode and the Centennial Ridge District, Wyoming
• Company Notes
• Picks & Pans—In Search of Nome Creek Gold
• Recreational Dredging on the South Yuba River
• The Trapiches of Chile
• Tales of Liberty Gold
• Drywashing Alluvial Placers
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
