In Pursuit of Gold & Silver in the Sierra Madres—The Plan
September 2007 by Mike LowenIn my travels, and my experience with gravity tables, one thing has implanted itself in my mind. What about the tails?
Crater of Diamonds State Park is located 4 miles southeast of Murfreesboro, Arkansas...in an area of low hills, about a half-mile north of the Little Missouri River. The region receives 45 inches of rain per year, enough to support pine-oak forests. The diamond-bearing area stands out as grasslands surrounded by forests.
Using a porcelain evaporating dish, place concentrates or head ore, equal to a tablespoon, in 60cc of aqua regia. Boil almost to dry, then add 10cc HCl (hydrochloric or muratic acid) and heat for a few minutes, and then add 30cc of water and bring to boil. Let cool while the solids are being allowed to settle. Using a pipette...
Back in October I read with great interest Chris Ralph’s article on the use of a metal detector while drywashing, and I wholeheartedly agree—I wouldn’t even consider going drywashing without using a metal detector in conjunction...
A "How-To" method for small group sniping and reclaiming old placer areas.
• "Fighting Back..."
Another little gem of equipment he built was a nifty sample splitter. In order to get accurate assays, you need to have really good, representative samples for the assayer to process.
There are literally hundreds of dry placer deposits in the Sonoran and Mohave Deserts of western Arizona. Many of these placer gold deposits are not described in any published books, bulletins, or reports, though placer gold enthusiasts know where...
The Bawl Mill • Ask the Experts • Mining Gold at 16,000 Feet • Locating a New Nugget Patch • Journeys in the Kingman Quadrangle—Part II • The American Hill Mine • Cal-Gold Closes Shop After 30 Years • The Hardrock Mining and Reclamation Act of 2007 • Prison Time Handed Out for Gold and Silver Thefts • Northern Dynasty Chooses Partner for Pebble • Melman on Gold & Silver • Looking Back • Mining Stock Quotes, Mineral & Metal Prices