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Understanding Geologic Deposit Models

Geologists have long noted the similarities of certain types of mineral deposits all across the globe. Similar minerals, similar country rocks, and similar grades of mineralization may occur in several different parts of the world.

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California Suction Dredging Update


Another California Assembly member, Jared Huffman, is attempting to ban dredging in the state on a more permanent basis.

Legislative and Regulatory Update


• California suction dredgers had better prepare for battle

Arizona Mines and Minerals Releases New Directory


The Directory of Active Mines in Arizona-1999, just released by the Arizona Department of Mines and Mineral Resources, reflects the strength and diversity of the Arizona mining industry.

A Short History of Hydraulic Mining in California


To add to the confusion, the dam wasn’t holding back a large amount of water. It was full of gravels and had a small creek running through it. I had to know more.

Gold, Quartz & Chalcedony—Part II


The specific gravity of chalcedony is 2.58 to 2.64. This is slightly lower than coarsely crystalline quartz because of slight porosity in chalcedony. Being so light, it will easily wash out of a gold pan.

The Bawl Mill


• Protesters trash the place
• IRS can't keep a secret
• Make way for minimum wage

Company Notes


• Southern Era
• X-Cal Resources
• Placer Dome Inc.
• Pan American Silver Corp.
• Vista Gold Corp.

Subscription Required:
The Bawl Mill   • Ask the Experts—Why doesn't the 1872 Mining Law apply to all 50 states?   • Ask The Experts—Where do I find information about getting paid for raw gold?   • The Lost Silver Triangle of the Sierra Madre—Part II   • Prospecting for Diamonds   • Avino’s Durango Project   • Success With A Detector   • Horsetail Gold   • The Makorakoza of Zimbabwe—Centuries of Prospecting in Gold-Hosting Dolerites   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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Legislative and Regulatory Update

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