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Bucket Line Dredges
September 2009 by Chris Ralph
For many years, mechanical mining in waterways was seen as an impossibility by miners, especially in the Western US. The few dredges that had been tried at various locations were generally built on designs similar to those that had been used in harbor excavation work, but it was found that they were...Alluvial Fans
Alluvial fans are essentially dry land “deltas” which can be found in all climates. However, they are best developed in arid and semi-arid regions, where they may be many square miles in area. They are built up by outpourings of silt, sand, and gravel caused by seasonal run-off, as well as by boulders and cobbles carried by flash floods.
Silver Bonanza in the Sierra Madre: The Glorious Past of Batopilas—Conclusion
The first Madero Revolution broke out in Mexico on November 20, 1910. On December 27, a revolutionary party exacted supplies, arms, and mules from the company until January 7, 1911, when the 7th Cavalry Regiment of the federal government destroyed three and a half tons of their dynamite near Baquiachi. On September 8, 1912, Batopilas was captured, a local garrison driven out, and the company forced to pay 10,000 pesos. Federal forces retook the town September 19.
Melman on Gold & Silver
We have been concerned for some time about the growing roster of laws, rules and regulations under which the entire industrial complex must operate…
Which Nugget Detector Should I Get?
The most commonly asked question in metal detecting is, “Which metal detector should I get?” People worry a lot about not getting the right machine. They do not want to waste their money and their time with the wrong metal detector.
Clarification on Oregon's SB838
The 100-yard restriction in SB838 actually applies to all motorized mining for the purpose of extracting gold, silver or any other precious metal that results in the disturbance of vegetation.
The Basics of Small-Scale Heap Leaching with Cyanide
In last month’s article I talked a bit about opportunities for heap leaching small hardrock deposits. This month I’m going to talk about the basics of putting together a heap leach project, including building the pad and leaching the ore.
Legislative and Regulatory Update
• EPA declares carbon dioxide a threat to environment
• Suction dredging update for California
• California Fish & Game director resigns
• More Merced River restrictions
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The Bawl Mill
• Legislative and Regulatory Update
• Drive Under Way to Restore the Rights of Suction Dredgers
• Abbey Confirmed As BLM Director
• Gifts of Gold for University of Zimbabwe
• Flood Stage—The Key to Reading a River
• Noted Geologist Murdered in Kenya
• South Yuba River Recreational Area
• Rio Employees Face Trade Secrets, Bribery Charges
• Pocket Mining Potential in Nevada's East Humboldt Range
• Company Finds Gold in Wyoming’s Rattlesnake Hills
• The Economic Impact of Suction Dredging in California
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
