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 lockdown, I spent lots of time indoors this spring and I decided to add a drone as a faithful mate in my research.
• Cash for Carts
• No photos please...
• We couldn’t have said it better ourselves
• Mother Nature to the rescue...
On the day prior to Mother’s Day I was able to get out and spend a few hours prospecting. I wanted to try some new settings on my detector, and I had a place in mind to do that.
The country we were to visit was Burkina Faso, a small country about the same size of my home state of Nevada with about 10 times more people. The second day I was in Africa, we went out to the goldfields for the first time.
Centrifugal bowls are very efficient, and with proper operation they can consistently achieve gold recoveries above 95% with gold of about 50 mesh size.
Venezuelan President Hugo Chavez said his government has decided to review and possibly cancel all mining concessions, and stop issuing new ones to foreign companies.
On my weekends off I spent many hours dredging the Second Broad River from Cane Creek Road up to the headwaters. I used a three-inch dredge with air and graduated to a five-inch with air.
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