All Articles
Glaciers and Placer Gold Deposits
June 2010 by Jim Halloran
Here we examine where and why placers are found in glaciated landscapes from the Ice Ages.Land of Golden Dreams—California in the Gold Rush Decade
San Marino, California—"Boys, I believe I have found a gold mine!" With these simple words, an obscure New Jersey carpenter and mechanic named James W. Marshall set in motion a global cascade of events that dramatically shaped the social and economic life of California and the American West.
Have We Hit 'Peak Gold'?
According to some experts, after the peak is reached, the production rate will slowly decline until it reaches near zero while the price shoots upward. At that point, we will have pretty much mined all the economic ore deposits that are present on the planet.
The Tangential Impulse Water Wheel in California Gold Mining History—Part II
Even before Pelton relocated in San Francisco in 1888, many other competitive foundries and machine shops chose to enter the water wheel market. These firms were already busy with the mining trade, producing hoists, stamp mills, ore carts, Cornish pumps, crushers, grinders, compressors and drills.
Legislative and Regulatory Update
• A bumpy ride for miners...
• Speaking of climate change...
• "Recreational" mining
Detecting for Gold—Finding Nuggets Where You Least Expect Them
Many friends have come up to my locale to detect for gold. I am writing this article hoping that it may help anyone who uses a detector to prospect for gold nuggets.
High Court to Rule on Kensington Tailings
A case before the Supreme Court could set a precedent for how mining waste is disposed of in streams, rivers, lakes and even wetlands.
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The Bawl Mill
• Legislative and Regulatory Update
• Sluicing at Rocky Bar, Idaho
• Nine Pound Nugget Found In Northern California!
• How Much Gold Is In My Gold-Quartz Specimen?
• Ask The Experts: Can you help me identify these items?
• Getting The Most Value From Your Gold-Quartz Specimens
• Highbanking and the House Rock
• Fix or Replace, Depreciate or Write-Off
• Melman on Gold & Silver
• Mining Stock Quotes & Mineral and Metal Prices
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Update on Oregon, Idaho and California Suction Dredge Permits
• ECU Silver Mining Continues The Legacy
