All Articles
Samuel Franklin Hunt Nevada’s “Rio Tinto”
February 2006 by Jim Straight
At the well-known Rio Tinto copper district, Huelva, in southwestern Spain, large quantities of copper were found beneath a gossan of hematite at an average depth of 100 feet. The deposits were first mined during Roman times.Proper Spacing of Placer Sample Sites
The zone of influence of each sample must be carefully considered when deciding how far sample sites should be spaced from each other.
Revisiting Commerce Resources—A Tantalum and Niobium Mining Project
One of the most intriguing company articles we have written during the past few years was based on our late Spring 2005 visit to Commerce Resources’ tantalum and niobium project in the towering mountains of east-central British Columbia...
Alaska Miners to Sue Department of Interior
The Alaska Miners Association announced that it will sue the Department of Interior to set aside Solicitor John Leshy’s “midnight” regulations designed to drive the mining industry out of business in Alaska.
The Wild Rush To Find More Cobalt—Part II
In this second part on cobalt, I will take a look at the various types of cobalt deposits and how you can prospect for them. Who knows—perhaps the next big cobalt strike will be yours.
Heavy Sands Mining
Lately my mind has been involved with group 4 of the transition elements, namely titanium, zirconium, and hafnium. They all have similar chemical properties. Of greatest interest to economic geologists and miners is that these valuable elements often occur together in sands.
Legislative and Regulatory Update
• Submit your comments now regarding BLM's plan to increase fees
• Jumping fron wins federal habitat protection
• NMA challenges "midnight" water regulation
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The Bawl Mill
• January Issues Delayed For Weeks As USPS Searches Their Facility
• The Rocks That Burn: Is Oil Shale the Answer?—Part I
• Feds Move Oil Shale to Front Burner
• Basic Geology for the Independent Miner—Part II Recognizing and Understanding Rock Formations (Petrology)
• The Circle Goldfields
• New Montana Board Moves to Halt Mining
• Newmont Looks to Ghana
• PLP President Intervenes on Behalf of Dredgers
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
