All Articles
Ask the Experts—Why doesn't the 1872 Mining Law apply to all 50 states?
May 2008 by Chris Ralph
Q: In the Feb 2008 Mining Journal you ran an article, “Gold Deposits of North Carolina,” by Chris Ralph. The article states that the 1872 Mining Law does not apply in North Carolina and in fact only has merit in 19 of the 50 states. Can you explain how that could happen?Additional articles that might interest you...
Family Sues US Mint for Return of Rare Gold Coins
January 2007
In a federal lawsuit, a family claims the US Mint illegally seized 10 gold coins that the family had found among a dead relative’s possessions.
In a federal lawsuit, a family claims the US Mint illegally seized 10 gold coins that the family had found among a dead relative’s possessions.
Surging Gold Prices Add Luster to Nevada's No. 2 Industry
December 2004
Higher gold prices helped boost Nevada’s mining industry in 2003 despite a decline in production for the third straight year.
Higher gold prices helped boost Nevada’s mining industry in 2003 despite a decline in production for the third straight year.
Following Clues to a Hidden Gold Deposit
March 2012
Many years ago I was in the American Canyon. I remembered a few details about a placer deposit there, so we decided to make a trip down and re-check some of these old workings.
Many years ago I was in the American Canyon. I remembered a few details about a placer deposit there, so we decided to make a trip down and re-check some of these old workings.
The Koyukuk-Nolan Goldfields
December 2005
It has been said by many, “One of Alaska’s most beautiful places in the world is in the Brooks Range.” You'll get no argument from me.
It has been said by many, “One of Alaska’s most beautiful places in the world is in the Brooks Range.” You'll get no argument from me.
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...
Using A Trommel For Placer Processing
April 2010
The behavior of a trommel is dependent on how it is designed and set up. Important design characteristics include feed rates, screen perforation sizes, cylinder size, rotation speed and incline.
The behavior of a trommel is dependent on how it is designed and set up. Important design characteristics include feed rates, screen perforation sizes, cylinder size, rotation speed and incline.
Looking Back
March 2005
Excerpts from CMJ published 50 years ago this month.
Excerpts from CMJ published 50 years ago this month.
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• Horsetail Gold
• The Makorakoza of Zimbabwe—Centuries of Prospecting in Gold-Hosting Dolerites
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