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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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Record Interest at Recent Mining Conventions


If anyone needed convincing that high metals prices have brought mining back into the public’s consciousness, two conventions held in Vancouver, British Columbia near the end of January 2006 should have ended any doubt.

Xmet Aims for One Million Ounces


The beautiful province of Quebec, known in French as “La Belle Province,” is not only famous for its scenic attractions and world-renowned cities such as Montreal and Quebec City, but also as being one of the most attractive places for mining...

Looking Back


Excerpts from California Mining Journal, our original title, published 50 years ago this month.

Why Environmental Groups Prefer Kerry


President Bush signed Executive Order 13352, “Facilitation of Cooperative Conservation,” on August 26, 2004. The order instructs the departments of the Interior, Agriculture, Commerce and Defense, and the Environmental Protection Agency to carry out their activities in a manner that “takes appropriate account of and respects the interests of persons with ownership or other legally recognized interest in land and other natural resources” and to “properly accommodate” local participation.

Over The Devide


Legislative and Regulatory Update


• Critical minerals addressed in infrastructure bill

Placer Platinum


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.

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The Bawl Mill   • Legislative and Regulatory Update   • Prospecting for Hardrock Gold - Part II   • Gold in Alaska - Part II   • Gold Prospecting in Maine - Part I   • Gold Prospecting Is For Ladies, Too   • Sage-Grouse Won't Get ESA Listing For Now   • How to Find Gold in Hot Ground With A VLF Detector   • Oregon County Tries to Interfere With Lawful Mining Operation   • Melman on Gold & Silver   • Mining Stock Quotes & Mineral and Metal Prices

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Nevada Creates Mining Claim Tax to Balance Budget

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