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Prospecting for Copper
May 2004 by John Rothermel
This article deals with copper exploration, but it is relevant to exploration for other minerals. I will use the geology of the Copper Creek area in Pinal County, Arizona, as an example.
Melman on Gold & Silver
The world received a sad reminder of just how dangerous and threatening terrorism has become as more than three hundred people—most of them children—died when Russian troops and police stormed a school that had been taken over by terrorist rebels from the breakaway province of Chechnya in the Russian city of Beslan. This act was followed almost immediately by the bombing of the Australian Embassy in Indonesia with nine dead in that attack. And, if mankind’s craziness wasn’t enough...
Healthy Interest at Recent Vancouver Conferences
Considering the frequency of mining gatherings in the USA, Canada and worldwide, many of our readers may wonder if there is sufficient new information available to make each gathering interesting and informative. In fact, they need not worry at all because rapid advances in mining technology...
How to Make a Rock Sled for Dredging
When my “anonymous” friend told me the rock tub was probably a hundred miles from where he safely stashed it, I decided to build another sled and improve on my old design.
The Oquirrh Mountains, Utah
...we will visit three dormant mining districts that lie in the Oquirrh Range in Utah. Some major activity that transformed the lives of thousands of people occurred here from the mid 1860s to the late 1990s.
Ask The Experts
• How small should I crush my hard rock ore?
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.
USFS Criticized for Renting Chopper in Nevada Dispute
The Forest Service is being criticized for spending $15,000 to rent a helicopter to empty sewage from a remote outhouse in northeast Nevada, work a citizens group had volunteered to do for free by using a closed forest road that the group wants reopened.
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The Bawl Mill
• Economic Analysis on Critical Habitat for Bull Trout
• US Mining Industry Outlook Brighter
• Gold in the Chinle Formation
• 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
