All Articles
Gold in the Chinle Formation
May 2004 by Edgar B. Heylmun, PhD
The Chinle Formation, of Triassic age, underlies about 100,000 square miles in Arizona, Colorado, Nevada, New Mexico, and Utah. It adds to the scenic grandeur of the great Colorado Plateau province, noted for its high cliffs and deep canyons.
Additional articles that might interest you...
Elko Mining Expo a Success
July 2003
Several thousand miners and their families made it a successful show. Local mining companies gave employees time off to attend the Thursday and Friday exhibits and events.
Several thousand miners and their families made it a successful show. Local mining companies gave employees time off to attend the Thursday and Friday exhibits and events.
New Life for the Suction Nozzle
December 2003
The suction nozzle was one of the first Venturi nozzles to be used in the dredging business. Years later it was replaced with the straight Venturi system, which is sometimes referred to as a “log.” The main benefit of the log is that the operator only needs a suction hose with a short nozzle.
The suction nozzle was one of the first Venturi nozzles to be used in the dredging business. Years later it was replaced with the straight Venturi system, which is sometimes referred to as a “log.” The main benefit of the log is that the operator only needs a suction hose with a short nozzle.
The San Juan Mountains, Colorado
September 2001
The rugged San Juan Mountains of Colorado rise to 14,309 feet and were a barrier to overland travel for many years. Precipitation, in the form of summer thundershowers and heavy winter snow, is enough to support coniferous forests.
The rugged San Juan Mountains of Colorado rise to 14,309 feet and were a barrier to overland travel for many years. Precipitation, in the form of summer thundershowers and heavy winter snow, is enough to support coniferous forests.
Our Readers Say
July 2000
• "Kiss your property rights goodbye...
• "Kiss your property rights goodbye...
Treasure Hawk Mine Back in Action
June 2004
Some of you may recall our article on the cleanup of the Treasure Hawk Mine claims in our August 2000 issue. Much has happened since then. Cutthroat Mining Corporation has completed all major restoration projects and...
Some of you may recall our article on the cleanup of the Treasure Hawk Mine claims in our August 2000 issue. Much has happened since then. Cutthroat Mining Corporation has completed all major restoration projects and...
China Will Put Rio Tinto Employees on Trial
March 2010
The Australian government confirmed it was notified that a Shanghai court will try the four Rio employees including an Australian national.
The Australian government confirmed it was notified that a Shanghai court will try the four Rio employees including an Australian national.
Picks & Pans: Mining in Ghana
February 2000
I recently returned from Ghana, West Africa. My time there was not a two-week tourist trip, but rather a time to discover the real Ghana, and to determine if I might have a future there in the mining business. I stayed almost three years.
I recently returned from Ghana, West Africa. My time there was not a two-week tourist trip, but rather a time to discover the real Ghana, and to determine if I might have a future there in the mining business. I stayed almost three years.
Subscription Required:
The Bawl Mill
• Economic Analysis on Critical Habitat for Bull Trout
• Prospecting for Copper
• US Mining Industry Outlook Brighter
• Gold Dredgers Rescue Threatened Fish
• Gold Mine Plans Upheld in Lawsuit
• DOI Computers Back Online
• Picks & Pans: Nuggets by the Dozen in Alaska
• Historical Mining Methods
• The Elusive Mother Lode
• Clarence King, Geologist
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
