All Articles
Prospecting With Color
December 2000 by Edgar B. Heylmun, PhD
Perhaps no one factor has caused more confusion in the search for ore than the attempt to use color as a guide to prospecting. Yet, there is a reason for every color seen in rocks, so it deserves to be noted.
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Surging Gold Prices Burn a Few Unlucky Mining Firms
November 1999
The extraordinary rebound in gold prices is claiming some unlikely victims—a few of the gold mining companies themselves.
The extraordinary rebound in gold prices is claiming some unlikely victims—a few of the gold mining companies themselves.
Melman on Gold & Silver
February 2015
Why, if America’s economic performance is advancing steadily…are two especially sensitive and widely-used commodities performing so poorly?
Why, if America’s economic performance is advancing steadily…are two especially sensitive and widely-used commodities performing so poorly?
Legislative and Regulatory Update
March 2013
• Oregon's attack on suction gold dredging
• New DOI Director nominated
• More Forest Service restrictions in the works
• California suction gold dredging
• Oregon's attack on suction gold dredging
• New DOI Director nominated
• More Forest Service restrictions in the works
• California suction gold dredging
Legislative and Regulatory Update
December 2006
• Election fallout
• Bad news in Bolivia
• Election fallout
• Bad news in Bolivia
The Bawl Mill
November 2005
• Insert your own title...
• A good travel agent is hard to find...
• What’s a “surplus?”
• Insert your own title...
• A good travel agent is hard to find...
• What’s a “surplus?”
Lluvia de Oro— A Shower of Gold Awaiting Development in the Sierra Madre—Part I
November 2008
In the silver belt of the Sierra Madre, the Lluvia de Oro was a discovery of gold, found not by the Spaniards of yore, but from an observant Indian a little over a century ago.
In the silver belt of the Sierra Madre, the Lluvia de Oro was a discovery of gold, found not by the Spaniards of yore, but from an observant Indian a little over a century ago.
Searching for Placer Diamonds
December 2003
In order to search for placer diamonds, the prospector needs to first become familiar with the commodity that he/she is looking for. Diamonds are extraordinary minerals with extreme hardness that have inherited beauty sought for personal adornment and...
In order to search for placer diamonds, the prospector needs to first become familiar with the commodity that he/she is looking for. Diamonds are extraordinary minerals with extreme hardness that have inherited beauty sought for personal adornment and...
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The Bawl Mill
• Letter to the Editor
• Potaro District, Guyana
• World Gold Council Launches $3 Million Ad Campaign
• Prospecting for Platinum in Wyoming
• Picks & Pans: More Big River Dredging in Northern California
• Epithermal Ore Deposits Associated With Tertiary Volcanism—And the Feasibility of Metal Detecting for Them
• A Changing Diamond Industry Looks to Canada for Growth
• History of Mining—Bradshaw Mountains, AZ—Part II
• Company Notes
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
