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Gold at Ragged Top, Arizona
April 1999 by Edgar B. Heylmun, PhD
Ragged Top is a jagged mountain which rises to an elevation of 3,907 feet near the Silver Bell open-pit copper mine, some 34 airline miles northwest of downtown Tucson. It is an outlier of the Silver Bell Mountains...Ask The Experts: Potential for developing magnesite deposit
Q: What I would like to know is how to confirm if it is magnesite and the quality.
The Trapiches of Chile
In Chile, the trapiche (tra-peach-ee) method of milling gold ore began more than 400 years ago. The first trapiche, also known as a Chilean mill, was a stone wheel weighing two or three tons rotating on an axle.
Flood Plain Gold Deposits—What Are They Really?
We just completed a trip to another river, and yes, there was definite movement and redistribution of gravels, and other prospectors have seen this as well.
The Bawl Mill
A Unique Prospecting Method
In 1948, I lived alone in the Cerrillos Mountains south of Santa Fe, New Mexico, at the Tom Payne Mine. When lead and zinc metal prices suddenly took a nosedive, our ore and concentrate shipments from the Payne to the ASARCO smelter...
Gold at Quartzville, Oregon
The site of the old mining camp of Quartzville is 30 miles northeast of Sweet Home, Oregon, via a road which is paved for much of the distance. It is located in mountainous terrain along the west slope of the rugged Cascade Range, with elevations ranging from 1,600 to over 4,000 feet.
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The Bawl Mill
• Editorial—BLM 43 CFR 3809 Revision Status
• Our Readers Say
• Miner Says Mining Could Return to Boulder
• Arizona Mines and Minerals Releases New Directory
• Onerous New Mining Rules Adopted in Washington State
• U.S. Sued for Failure to Guard Rare Species
• Miner Charged in Death of Downieville Miner
• Senator Warns Against Proposal to Sell Some IMF Gold
• Dry Placers in the Kamma Mountains, Nevada
• Company Notes
• MCS Index Shows Decrease in Mining Costs
• Over the Divide
• Picks & Pans: Confessions of a Small Miner—Part II
• The Saga of Sand Mountain
• Nevada County Feeling Pain of Slumping Mining Industry
• There's Gold in Those Tailings
• Increase in Silver Demand by Photography Industry
• Melman on Gold & Silver
• Looking Back
• Mining Stock Quotes and Mineral & Metal Prices
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