All Articles
Placer Diamonds in Venezuela
March 2001 by Edgar B. Heylmun, PhD
A large number of gem and industrial grade placer diamonds have been found in or near a number of creeks and rivers in Venezuela. The area involved is in the southeastern parts...and is inhabited by fierce Yanomamo Indians.
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The Rocks that Burn—Part II Is Oil Shale the Answer?
March 2006
Opinions among experts in the energy business concerning present day oil shale development vary widely. Some think that more stringent energy conservation measures would make large-scale development of lamosite resources...
Opinions among experts in the energy business concerning present day oil shale development vary widely. Some think that more stringent energy conservation measures would make large-scale development of lamosite resources...
Journeys in the Kingman Quadrangle
August 2007
This is a story of a bit of our earth, carved by lines of longitude and latitude. There is a deep mystery in this land. The naked mountains speak of long ages of thrusting and rifting—of uplift and erosion. These riddles in the rock defy explanation.
This is a story of a bit of our earth, carved by lines of longitude and latitude. There is a deep mystery in this land. The naked mountains speak of long ages of thrusting and rifting—of uplift and erosion. These riddles in the rock defy explanation.
Conductive Minerals and Your Metal Detector
August 2014
...most prospectors don't even think about the conductivity of minerals, but there are some that do conduct electricity to a certain degree, so metal detectors will respond to them.
...most prospectors don't even think about the conductivity of minerals, but there are some that do conduct electricity to a certain degree, so metal detectors will respond to them.
Legislative and Regulatory Update
March 2011
• Idaho maintains control
• Enough wilderness already
• Restraining the EPA
• Republicans on the attack
• DOI requests hard rock royalty
• New Forest Service plans
• Bill supporting small miners
• New mercury emission regs
• Latest info on California suction dredging
• Idaho maintains control
• Enough wilderness already
• Restraining the EPA
• Republicans on the attack
• DOI requests hard rock royalty
• New Forest Service plans
• Bill supporting small miners
• New mercury emission regs
• Latest info on California suction dredging
Melman on Gold & Silver
July 2008
Dire warnings about potential recession and side effects being felt throughout the economic spectrum sent the stock market down to a massive 394 point loss on the Dow Industrials on the 6th of June (see chart) and also sent chills in many corporate boardrooms in America and beyond.
Dire warnings about potential recession and side effects being felt throughout the economic spectrum sent the stock market down to a massive 394 point loss on the Dow Industrials on the 6th of June (see chart) and also sent chills in many corporate boardrooms in America and beyond.
Legislative and Regulatory Update
September 2011
• Salazar pushes wilderness
• California Governor signs AB 120
• Salazar pushes wilderness
• California Governor signs AB 120
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The Bawl Mill
• Our Readers Say
• Gem Theft in Tucson
• BLM 3809 Final Rule Implications
• Winter Dredging
• Selecting a Gold Recovery System
• Picks & Pans: Leon Always Finds the Most Gold
• Company Notes
• The Swift Shore Mine 1862—Present
• Placer Gold in the Black Hills, South Dakota
• Platinum and Diamond Discoveries Shine New Light on Historic Alaska Gold-Mining District
• GATA Update
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
