Flat-Fault Gold in Sonora, Mexico
July 2004 by Edgar B. Heylmun, PhDMexico is not noted for gold, but is better known for silver and copper. However, the states of Chihuahua and Sonora, in northwestern Mexico, contain some sizeable gold deposits. A number of these deposits were mined during the boom of 1982-2002. One operation that has remained active up to the present is La Herradura Mine...
Due to the high demand for well paying jobs in the mining sector, and a robust mining industry in need of qualified workers, we’ve added an “Employment” section to our Mine Market (Classifieds) effective immediately.
While both zinc and lead deposits also are enriched by the surface weathering process, in part two we will look at the enrichment process for copper and also gold deposits, and at the interpretation of leached outcrops to figure how rich the concentrated deposits below them may be.
A few months later, a young, greenhorn lawyer agreed to pay to have it assayed, and the quartz turned out to be rich in both gold and silver.
• "Roll-Front Uranium Deposits"
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Our group of six met in Foresthill, California, in mid-November. The weather was crisp, but not too cold. We had planned this trip on short notice and were all eager for the adventure ahead.
…we cheered and high-fived each other as the ore cart slowly crested the top of the headframe, then picked up a bit of speed on the short downhill section and came to an abrupt halt, ejecting its contents of ore…
The Bawl Mill • Mining Claim Fees Are Going Up • Our Readers Say • Buell Park Pipe, Arizona • Mines and Money • Understanding Hard Rock Mining: Terms and Methods—Part II • Two Nevada Mines Look to Supply Own Power • Paleontonlogical Resources Preservation Act • Picks & Pans: Mexican "Edventure" • Over the Divide • Looking Back • The Fern Mine • Map Offers Look at Butte's Mining History • Gold in China • 2004 National Mining Hall of Fame Inductees • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices