All Articles
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.
Here Come the MineBots
In March 2004, Vulcan, a mine exploring robot from the Discovery Miner Program, was shipped to the Vulture City region to investigate the conditions of an abandoned hard rock mine. The shaft was typical of the dangerous mines that are...
Safety With a Tax Deduction
As an employer, every mining operation, large or small, is responsible for protecting the safety and health of its employees. Safety is also good business. An effective safety and health program can save $4 to $6 for every $1 invested. It’s the right thing to do, and doing it right pays off in lower costs, increased productivity, and higher employee morale.
Disturbing Trend: Federal Judges Disregard Mining Laws
Recently, a left-leaning Arizona federal judge, James Soto, who is an Obama appointee, shut down a proposed copper mining project for the flimsiest of reasons. He basically disregarded and rewrote federal mining law.
Legislative and Regulatory Update
• Haaland confirmed as head of Department of Interior
• Proposed bills aim to lock up millions of acres of public lands
• Recall election could have implications for dredgers in California
Comments on Gold Rush and Bering Sea Gold Series
The 316 Mining Company has not been all that successful, but does not ever seem to learn from their past mistakes.
Simple Rules of Gold Geology: Comparing Epithermal and Mesothermal Deposits
Geology is a science of general tendencies with frequent exceptions, not one of hard and fast rules that are always true and never vary. For almost every well-accepted rule of gold deposits, I can point you to a number of important exceptions.
Groups Plan to Sue Over Lynx Protection
Three environmental groups have served formal notice that they intend to sue the U.S. Forest Service for failing to protect the Canada lynx as a threatened species under the Endangered Species Act.
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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
