All Articles
Epithermal Gold-Quartz Veins
January 2004 by Edgar B. Heylmun, PhD
The great mining geologist Waldemar Lindgren used the word “epithermal” to describe a type of quartz vein commonly found in desert regions of the United States and Mexico.Additional articles that might interest you...
Diamond Dealer Prevails in Congo
July 2001
The one he’s rolling around in his fingers is nice—5.23 carats, nearly the size of a marble, pure and white. But the diamond that Alphonse Ngoyi Kasanji is talking about is the big one—the one that got taken away.
The one he’s rolling around in his fingers is nice—5.23 carats, nearly the size of a marble, pure and white. But the diamond that Alphonse Ngoyi Kasanji is talking about is the big one—the one that got taken away.
The Verde Copper-Gold-Silver-Zinc District, Jerome, Arizona
October 2012
When I was a student in the College of Mines at the University of Utah, the Verde district was used as an exploration model for “submarine volcanogenic massive sulfide deposits.” So I looked forward to visiting this district and the town of Jerome in central Arizona in the spring of 2012.
When I was a student in the College of Mines at the University of Utah, the Verde district was used as an exploration model for “submarine volcanogenic massive sulfide deposits.” So I looked forward to visiting this district and the town of Jerome in central Arizona in the spring of 2012.
The Bawl Mill
July 2017
- World Health Organization gets 5-star rating… for overspending
- Capitol Hill security detail is MVP at baseball shootout
- Texas tells California to get a life
Legislative and Regulatory Update
October 2009
• Interior considers huge withdrawal in Arizona
• Travel Management Plans
• Roadless Rule has nine lives
• Interior considers huge withdrawal in Arizona
• Travel Management Plans
• Roadless Rule has nine lives
Ask The Experts
November 2015
• When geologists and old-timers have conflicting views.
• When geologists and old-timers have conflicting views.
Minnesota Delays Decision on Mineral Leases
November 2011
Landowners complained that mineral mining on or near their property could damage property values while leaving them without a cut of potential profits.
Landowners complained that mineral mining on or near their property could damage property values while leaving them without a cut of potential profits.
Aviators Carry Gold Coins
June 1999
According to the article, a U.S. military spokesman said that gold coins have, at various times, been part of official U.S. military survival packs since the Vietnam War.
According to the article, a U.S. military spokesman said that gold coins have, at various times, been part of official U.S. military survival packs since the Vietnam War.
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