All Articles
Commercial Placer Mining With Jigs
August 2010 by Chris Ralph
During the upward stroke, water is pushed up through the shot layer causing it to open up and lifting the gravel particles above. The heavier particles settle faster based on Stokes law, and move down into the shot bed layer, while the lighter...
Search for the Legendary Sierra Azul
One of the most unique mining stories to derive from the days of the Spanish conquest of the Southwest is the legendary story of the Sierra Azul, or “Blue Mountain” of Arizona. The first reports of what some historians maintain is nothing more than mere myth, came in the middle of the seventeenth century, and it survived as a frontier tradition into the nineteenth century.
Fabulous Florence—The Golden Town of Idaho
In September 1861, on a round-about prospecting journey homeward, five California gold miners discovered gold in the area now called Florence. While watering the horses, one of the men noticed a golden color on a piece of slate bedrock in the stream...
Looking Back
Excerpts from California Mining Journal, our original title, published 50 years ago this month.
Melman on Gold & Silver
Many observers have questioned why the precious metals have not enjoyed strong rallies despite a growing number of positive indicators.
Idaho Silver Miners Come to Aid of Tsunami Victims
The Bunker Hill Mine is doing its part to help tsunami victims by sending crates of bandages impregnated with silver to Indonesia.
Mining Stock Quotes and Mineral & Metal Prices
How Should I Work This Prospect?
How big is the deposit? Are there boulders you will need to move? Do you just want to recover the nuggets or do you think there is good fine gold that you will also want to capture?
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