The Mountain Gate Mine
July 2007 by Don RobinsonThe Foresthill Divide in Placer County, California, has underneath its present surface a multitude of buried river channels, most of which paid enormously well in the Gold Rush years of 1850 to 1890.
In 1967, a local resident showed me a pouch of small gold nuggets and flakes. Several years later I asked the same person where that gold was found. He responded, “From the streambed below the old stamp mill at Apex.”
The first requirement for a successful mine operation is a market for the product, metallic or nonmetallic. The second requirement is to deliver a quality salable product...
As he was working near the extreme low end of the ground sluicing, I heard a yell through my headphones. Making my way down to him I could see the smile from a long distance.
The concentrate is just the heaviest of the heavy minerals but some sulfides are sneaking in there also with the gold...
• Alaska Dredging Draft General Permit AKG-37-1000
• Where the candidates stand
The platinum group metals (PGMs) are divided into three that are “light,” about the same atomic weight as silver, and three that are “heavy,” about the same atomic weight as gold. The three light PGMs are ruthenium, rhodium, and palladium, and the three heavy PGMs are osmium, iridium, and platinum.
This article is about our recent gold prospecting adventure, which has yielded over 20 ounces of specimen gold—with more to come.
The Bawl Mill • Ask the Experts • More Tips for Evaluating Ores • The Basics of Small-Scale Heap Leaching with Cyanide Part I—History, Suitablility and Permitting • Oregon Suction Dredge Permit Update • In Pursuit of Gold and Silver in the Sierra Madres—Buying the Pilot Mill • Life in the Alaska Gold Rush • More Small-Scale Miners Attracted by Gold Prices • Gold in New Zealand • Ready “Ore” Not, Uranium Boom is On Again • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices • Looking Back