Prospecting for Silver With a Geiger Counter
January 2001 by Edgar B. Heylmun, PhDLight-colored volcanic tuff or tuffaceous sandstone often contains small amounts of uranium, enough to be detected with a sensitive radiation detector. Sometimes, the mass effect of the radiation is substantial.
Religious broadcaster Pat Robertson, who lost up to $7 million in a failed diamond-mining venture in the former Zaire earlier this decade, is involved in a gold mine project in another African country.
• More EPA woes
• Washington Group Int'l
• Robinson Nevada Mining Co.
• Little Squaw Gold Mining Co.
• Newmont Mining Corp.
• Compania de Minas Buenaventura
It is my belief that these trends toward rising budgetary and trade deficits, escalating monetary creation and interest rates that are being held at artificially low levels will continue and I believe that further US Dollar weakness has now been built into the system.
Nicolet Minerals expected to be mining zinc and copper from an underground quarry in Wisconsin by now. Instead, a state review of the project is only 75 percent completed after seven years, a top state regulator said.
Excerpted from the U.S. Geological Survey's 1998 Annual Review by Earle B. Amey, Gold Commodity Specialist.
Why couldn’t we take some cold river water, pass it through some cooling coils and cool the air in the mine? This thought came to me one Sunday afternoon while fishing, knee deep, in the cold Coeur d’Alene River just west of Kellogg, Idaho.
The Bawl Mill • Over the Divide • Our Readers Say • Special Editorial: Gold Anti-Trust Action Committee Believes They Have the Evidence • World Gold Council News • Metal Detecting Within the Cordillera for Gold Placers Associated With Tertiary Epithermal Ore Deposits • Picks & Pans: An Exciting Hobby • The Furnace Atmosphere During the Fire Assay • The Hanging Tree • Gold in Chihuahua, Mexico • ICMJ 10th Annual Photo Contest Results • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices • Looking Back