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Gold Dredgers Rescue Threatened Fish
May 2004 by Staff
Gold dredgers were enlisted in an effort to salvage a rare stretch of chum salmon spawning grounds along the Columbia River between Vancouver, Washington, and Portland, Oregon.Additional articles that might interest you...
A Search for Tantalum
July 2005
It is likely that few tourists passing through the crowning glory of the Canadian Rocky Mountains in northeastern British Columbia would be aware that this spectacular region is the focal point of the search for one of earth’s most intriguing metals—tantalum.
It is likely that few tourists passing through the crowning glory of the Canadian Rocky Mountains in northeastern British Columbia would be aware that this spectacular region is the focal point of the search for one of earth’s most intriguing metals—tantalum.
Teenager Finds Large Nugget
September 2008
Fourteen-year-old Jacob Hopkins and his father Mike headed out like they do most weekends, to do a little fishing and hunt for gold.
Fourteen-year-old Jacob Hopkins and his father Mike headed out like they do most weekends, to do a little fishing and hunt for gold.
A Father and Son Prospecting Adventure
May 2013
As I write this, I am still on a rush from taking my 9-year-old son, Jeffrey, prospecting for the first time this past weekend. It’s not that he hasn’t been along on numerous outings before: this is the first time that just the two of us went out for a day of drywashing and detecting under the desert sun.
As I write this, I am still on a rush from taking my 9-year-old son, Jeffrey, prospecting for the first time this past weekend. It’s not that he hasn’t been along on numerous outings before: this is the first time that just the two of us went out for a day of drywashing and detecting under the desert sun.
The Lost Silver Triangle of the Sierra Madre—Part I
April 2008
The North American continent harbors a vast mountain fastness that few Anglo-Americans have seen—an awesome land cut by perpendicular canyons and towering peaks, a forbidding wilderness virtually unchanged...
The North American continent harbors a vast mountain fastness that few Anglo-Americans have seen—an awesome land cut by perpendicular canyons and towering peaks, a forbidding wilderness virtually unchanged...
New Prospecting Guides Available Online
November 2004
Every year prospectors and rock hounds search Wyoming for gold, gemstones and other attractive rocks and minerals; the Wyoming State Geological Survey (WSGS) has now made this hunt easier.
Every year prospectors and rock hounds search Wyoming for gold, gemstones and other attractive rocks and minerals; the Wyoming State Geological Survey (WSGS) has now made this hunt easier.
Clean Fuel, Cleaner Air
February 2001
A-55 Clean fuels, which are emulsions of oil and water, are said to produce much lower oxides of nitrogen and particulate matter emissions.
A-55 Clean fuels, which are emulsions of oil and water, are said to produce much lower oxides of nitrogen and particulate matter emissions.
Flat-Fault Gold
August 2001
Gold and other valuable metals are often deposited in breccia and rubble formed by flat or gently-dipping faults. Such faults are commonly found in areas of crustal stretching caused by the movement of tectonic plates. Flat-faults are especially common in southeast California, southern Arizona, and northern Sonora, Mexico. However, they can be present anywhere that crustal stretching has occurred.
Gold and other valuable metals are often deposited in breccia and rubble formed by flat or gently-dipping faults. Such faults are commonly found in areas of crustal stretching caused by the movement of tectonic plates. Flat-faults are especially common in southeast California, southern Arizona, and northern Sonora, Mexico. However, they can be present anywhere that crustal stretching has occurred.
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The Bawl Mill
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• Historical Mining Methods
• The Elusive Mother Lode
• Clarence King, Geologist
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
