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Massive Sulfide Deposits in Oregon

This article deals with massive sulfide deposits in the Klamath Mountains of southwestern Oregon, but it applies to massive sulfides found in California as well.

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Bucket Dredged Boulder Gold


The black sand was loaded with mercury from the river, but there wasn’t enough to pick up all the fines. We took out the amalgam and had to suction up the remaining fine gold.

Gold in Jasperoid


Jasperoid is a jasper-like siliceous rock, in which chalcedony or cryptocrystalline quartz has replaced limestone, dolomite, or shale. It forms the gangue of many important ore bodies. It is stained by iron and manganese oxides into shades of...

The Hunt for Remote Canyon Gold


A large, 8-pennyweight piece popped out of a very small crevice where the water had been extremely swift in the winter, leaving no visible gravel.

Legislative Update


Robert Sanregret—Attorney at Law
Western Mining Council
National Association of Mining Districts

Detecting the Swiftshore Mine


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.

Dredging Tips and Tricks: T-80 Air Compressor Maintenance


The next morning, I retrieved the compressor and again attacked the sticky head bolt. As if by magic (and some applied physics) the head bolt sighed and finally broke loose.

There's Gold in Those Tailings


If you're really serious about finding gold, you must commit yourself to the search. The odds are against success if you depend upon luck.

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The Bawl Mill   • A Word from the Editor   • Under the Guise of Environmental Protection—EPA Revealed   • The Centennial Lode and the Centennial Ridge District, Wyoming   • Company Notes   • Picks & Pans—In Search of Nome Creek Gold   • Recreational Dredging on the South Yuba River   • The Trapiches of Chile   • Tales of Liberty Gold   • Drywashing Alluvial Placers   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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