Prospecting & Detecting
Pot Hole Gold
January 2012 by Tom Leftwich
It was early in the 2008 season on the Mokelumne River near Pine Grove, California. Considering the potential for high water through the month of June, my wife Fran and I set our sights on investigating some of the pot holes in...
Iron Minerals, Your Detector and Gold
It’s worthwhile for the prospector using a metal detector to know a little bit more about the association of iron and gold as well as how iron minerals affect your metal detector.
Pumping Water With Solar Power
Solar energy can be used for any size placer or hard rock mining operation. It is most practical for small and longer-term operations provided your mine is not located in a dense forest.
Selenium, Mercury and Suction Dredging—Studies Contradict CA State Water Resources Board
Federal and state regulatory agencies often cite mercury and methyl mercury in our waterways as a major factor for further restrictions on placer mining, and on suction gold dredge mining, in particular. However, these regulatory agencies are minimizing selenium and its neutralizing effects.
Prospecting for Diamonds in Kimberlite
Kimberlite is very difficult for geologists to find, let alone prospectors and rock hounds. This is because kimberlite is rarely exposed on the surface and few people know how to identify the rock.
Ancient River Channels of Trinity County
Trinity County is located in the far northwest corner of California and stirs up many different memories for those who have been there.
Traders At JPMorgan Chase Indicted For Rigging Metal Prices
…the men sought to “inject false and misleading information about the genuine supply and demand for precious metals futures contracts into the markets, and to deceive other participants”…
Gully Prospecting and Mining
This article is about our recent gold prospecting adventure, which has yielded over 20 ounces of specimen gold—with more to come.
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The Bawl Mill
• Southwest Alaska Gold Project Progresses
• Good Assays and Bad
• Where to Find Gold in Indiana—Part II
• Who is a Qualified Person?
• Time Well Spent
• Reality of the Klondike
• NWMA Show
• River Dredging vs. Creek Dredging—Part II
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
