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Using A Trommel For Placer Processing

The behavior of a trommel is dependent on how it is designed and set up. Important design characteristics include feed rates, screen perforation sizes, cylinder size, rotation speed and incline.

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Is Burkina Faso safe for prospecting?

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The American Hill Mine


In the high country of the Tahoe National Forest is 160 acres of a patented mining claim dating back to its origin around 1853. This is well above the historic mining town of Michigan Bluff and past Deadwood—an old mining town...

MMAC Update


One caller wondered why he should be required to join MMAC, asked why MMAC was not a non-profit, and compared it to some kind of extortion attempt. If he had questions like these, I assume there are others with similar questions and I will address them here.

Gondwana Gold and Diamonds


Some 250 million years ago, the Earth had just one supercontinent, known as “Pangaea.” For whatever reason, the supercontinent began to break apart. South America and Africa remained joined, as “Gondwana,” until 65 million years ago, when they split apart. The obvious “fit” of South America with Africa was noted by geologists back in the 19th century, but it was not until Alfred Wegener came out with his “continental drift” hypothesis in 1912 that people took note.

House Chair Requests Records on Forest Decision


House Resources Chairman Don Young is asking the White House and Agriculture Department for records related to President Clinton's decision to place 40 million acres of remote, federal forest land off-limits for development.

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Bacterial gold

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Nevada Creates Mining Claim Tax to Balance Budget

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