All Articles
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...Forty-Six Nuggets
This past summer, a two-week adventure in Alaska and other gold prospecting trips turned out to be some of my greatest life experiences.
New Research Tool for Miners in Wyoming
The Wyoming Geological Survey released an online interactive map...
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.
The Bawl Mill
• Affordable housing... for the rich!
• Thank goodness we have rules to eliminate wateful spending
Picks & Pans: George Duffy Jr.—Pocket Miner Extraordinaire
During the Miocene and Pliocene mid-Tertiary Epochs, the Great Basin, Mojave, and Sonoran deserts within parts of California, Nevada, and Arizona became the source—the genesis—of ubiquitous epithermal “precious metal” fissure-gold veins associated with extensive acidic volcanic lava flows that blanketed much of the Cordillera during this time.
Tucson Mountain Chaos
The Tucson Mountains are immediately west of Tucson, in southern Arizona, and include residential areas of the city. The highest peak, Wasson (Amole) Peak, reaches 4,687 feet. It is part of the great Basin-Range physiographic province, characterized by fault-block mountain ranges separated by broad desert valleys.
Old-Time Mining Geology Books
Geology books are best used by geologists, but many of the old-time books can be understood by most anyone who has an interest in rocks and minerals. Certain words or phrases may stump the layman, but just skip those parts and go on to the portions of the books that are easily understood. Some of the old-time mining geology books should be in every small miner’s collection.
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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
