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.Additional articles that might interest you...
Dredging Therapy
October 2016
The big moment finally arrived. With Norm suited up, I pulled the motor to life and felt instantly better. There’s really something relaxing about the sound of a dredge running—they don’t sound like anything else.
The big moment finally arrived. With Norm suited up, I pulled the motor to life and felt instantly better. There’s really something relaxing about the sound of a dredge running—they don’t sound like anything else.
Governors Focus on Aid for Laid-off Miners
September 1999
Keeping a health clinic in San Manuel operating was among key concerns the governor, state lawmakers and union officials addressed in a meeting about assisting laid-off copper miners.
Keeping a health clinic in San Manuel operating was among key concerns the governor, state lawmakers and union officials addressed in a meeting about assisting laid-off copper miners.
Mining Restrictions Lifted in Southwest Alaska
January 2008
Mining restrictions will be lifted on about 1 million acres of federal land in southwest Alaska, officials have announced.
Mining restrictions will be lifted on about 1 million acres of federal land in southwest Alaska, officials have announced.
Melman on Gold & Silver
February 2010
As laws become cluttered, difficult to understand and almost impossible to enforce both effectively and economically, they are bound to drag down industry and commerce inside a welter of complications.
As laws become cluttered, difficult to understand and almost impossible to enforce both effectively and economically, they are bound to drag down industry and commerce inside a welter of complications.
Wall-Rock Alteration
April 2004
Wall-rock (country rock) alteration is found in all hard-rock mining districts and has been caused by hydrothermal solutions in the past history of the region. The zones of alteration have a bearing on where one might drill for ore bodies. The weekend prospector does not have the tools nor knowledge to block out ore deposits, but he can narrow down his search dramatically by understanding the zones of wall-rock alteration that he sees.
Wall-rock (country rock) alteration is found in all hard-rock mining districts and has been caused by hydrothermal solutions in the past history of the region. The zones of alteration have a bearing on where one might drill for ore bodies. The weekend prospector does not have the tools nor knowledge to block out ore deposits, but he can narrow down his search dramatically by understanding the zones of wall-rock alteration that he sees.
China Closing More Than 1,000 Mines
August 2016
It was only a few years ago that China was taxing and limiting quantities of exports for rare earths in an effort squeeze the market, drive up prices and extract the most in the way of income.
It was only a few years ago that China was taxing and limiting quantities of exports for rare earths in an effort squeeze the market, drive up prices and extract the most in the way of income.
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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
