All Articles
Pocket Gold in Gneiss
March 2004 by Edgar B. Heylmun, PhD
Metamorphic rocks such as gneiss and schist are known for their pocket gold deposits. Such pockets may not be large enough for major mining operations, but may be very rewarding for individuals or small companies. Gold-bearing quartz veins may cut gneiss or schist, but often the veins parallel the bedding, or foliation. The origin of mineralized veins, which parallel the foliation, has been kicked around for years.Additional articles that might interest you...
MMAC & PLP Update
March 2016
Just prior to our press deadline, we learned that a bill had been introduced in the Idaho House of Representatives to redefine suction gold dredging as a preferred use in public waterways in Idaho.
Hidden Value in Old Tailings
March 2014
The 15 rare earth elements were discovered long after the gold rush began to wane, but demand for them only took off over the past 10 years...
The 15 rare earth elements were discovered long after the gold rush began to wane, but demand for them only took off over the past 10 years...
Mining Investment—Or Fraud?
June 2002
The rapid fall of the stock market created a situation in which investors not only pulled back from traditional equities, assuming dot coms are traditional investments, but many recent arrivals in the world’s...
The rapid fall of the stock market created a situation in which investors not only pulled back from traditional equities, assuming dot coms are traditional investments, but many recent arrivals in the world’s...
The Bawl Mill
December 2013
• People in lead houses should not throw stones...
• The Anything-but-Affordable Care Act
• People in lead houses should not throw stones...
• The Anything-but-Affordable Care Act
Miners Go To Work In Washington
July 2008
Nearly two decades after it was first proposed, a mine on Buckhorn Mountain in remote north-central Washington will begin producing gold-bearing ore.
Nearly two decades after it was first proposed, a mine on Buckhorn Mountain in remote north-central Washington will begin producing gold-bearing ore.
Researchers Trace History of Hope Diamond
March 2005
Researchers using computer analysis have traced the origin of the famed Hope Diamond, concluding that it was cut from a larger stone that was once part of the crown jewels of France.
Researchers using computer analysis have traced the origin of the famed Hope Diamond, concluding that it was cut from a larger stone that was once part of the crown jewels of France.
Global Warming—The Press Gets it Wrong, Our Report Doesn't Support the Kyoto Treaty
July 2001
The National Academy of Sciences released a report on climate change, prepared in response to a request from the White House, that was depicted in the press as an implicit endorsement of the Kyoto Protocol.
The National Academy of Sciences released a report on climate change, prepared in response to a request from the White House, that was depicted in the press as an implicit endorsement of the Kyoto Protocol.
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